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97,855 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
172f7c9167 |
Description for this pull request:
- Fix the random stack corruption and incorrect error returns in
exfat_get_block().
- Optimize exfat_get_block() by improving checking corner cases.
- Fix an endless loop by self-linked chain in exfat_find_last_cluster.
- Remove dead EXFAT_CLUSTERS_UNTRACKED codes.
- Add missing shutdown check.
- Improve the delete performance with discard mount option.
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Merge tag 'exfat-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Fix random stack corruption and incorrect error returns in
exfat_get_block()
- Optimize exfat_get_block() by improving checking corner cases
- Fix an endless loop by self-linked chain in exfat_find_last_cluster
- Remove dead EXFAT_CLUSTERS_UNTRACKED codes
- Add missing shutdown check
- Improve the delete performance with discard mount option
* tag 'exfat-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: call bh_read in get_block only when necessary
exfat: fix potential wrong error return from get_block
exfat: fix missing shutdown check
exfat: fix the infinite loop in exfat_find_last_cluster()
exfat: fix random stack corruption after get_block
exfat: remove count used cluster from exfat_statfs()
exfat: support batch discard of clusters when freeing clusters
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Linus Torvalds
|
f64a72bc76 |
10 ksmbd SMB3 server fixes
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Linus Torvalds
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8b175e2e18 |
14 smb3/cifs client fixes and minor update to maintainers file
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Linus Torvalds
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b6dde1e527 |
NFSD 6.15 Release Notes
Neil Brown contributed more scalability improvements to NFSD's open file cache, and Jeff Layton contributed a menagerie of repairs to NFSD's NFSv4 callback / backchannel implementation. Mike Snitzer contributed a change to NFS re-export support that disables support for file locking on a re-exported NFSv4 mount. This is because NFSv4 state recovery is currently difficult if not impossible for re-exported NFS mounts. The change aims to prevent data integrity exposures after the re-export server crashes. Work continues on the evolving NFSD netlink administrative API. Many thanks to the contributors, reviewers, testers, and bug reporters who participated during the v6.15 development cycle. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEKLLlsBKG3yQ88j7+M2qzM29mf5cFAmfmpMIACgkQM2qzM29m f5f6DA/+P0YqoRg3Zk/4oWwXZWbfEOMhWFltT+D1PE2QjUfOZpiwUSFQfsfYgXO6 OFu0iDQ4g8BxBeP6Umv61qy7Cv6n4fVzIHqzymXQvymh9JzoQiXlE9/fA8nAHuiH u7kkNPRi7faBz1sMg/WpN9CHctg7STPOhhG/JrZcSFZnh87mU1i4i4bZBNz8tVnK ZWf483OUuSmJY2/bUTkwvr4GbceTKBlLWFFjiRhfAKvJBWvu4myfC0DI5QzxmsgI MJ62do7AFJP1ww2Ih9LLi2kFIt/yyInSVAgyts1CPhlJ4BfPnTSOw/i2+CuF3D/M bZYEAOjH3AqjBZmq58sIQezpD5f9/TOrTSwYwS31zl/THYE413WiW80/MDoWqo0y 9cSNkD3nJlPVLLCfF58vXLoe7wpLoN/ZbTdxoozzUWEFR5A4Jz3XP8F/Cws0cjem uWWAQMItiQpg1+RYJYfu4dg5+iN6dbgYbvzlr7buISwFNXi3Zo99MkJ4wHj9TJbL Tpjth1rWGPwwSOMT6ojKiYMq1oUzx5PuAm9Saq9oIzQAbBySmxHF/LSDz3wEuBoO MK1jzKroEmMk3fJOOAajSDLOdAbL3vfj6H/xi2IHvKnaz9yHCZNu2YGV05BBMprd hWePf69AO5Ky5Q9KuGClEtwvJ9ZR5pb4DO2dqaYu8ximu3O4vPo= =e2E2 -----END PGP SIGNATURE----- Merge tag 'nfsd-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux Pull nfsd updates from Chuck Lever: "Neil Brown contributed more scalability improvements to NFSD's open file cache, and Jeff Layton contributed a menagerie of repairs to NFSD's NFSv4 callback / backchannel implementation. Mike Snitzer contributed a change to NFS re-export support that disables support for file locking on a re-exported NFSv4 mount. This is because NFSv4 state recovery is currently difficult if not impossible for re-exported NFS mounts. The change aims to prevent data integrity exposures after the re-export server crashes. Work continues on the evolving NFSD netlink administrative API. Many thanks to the contributors, reviewers, testers, and bug reporters who participated during the v6.15 development cycle" * tag 'nfsd-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (45 commits) NFSD: Add a Kconfig setting to enable delegated timestamps sysctl: Fixes nsm_local_state bounds nfsd: use a long for the count in nfsd4_state_shrinker_count() nfsd: remove obsolete comment from nfs4_alloc_stid nfsd: remove unneeded forward declaration of nfsd4_mark_cb_fault() nfsd: reorganize struct nfs4_delegation for better packing nfsd: handle errors from rpc_call_async() nfsd: move cb_need_restart flag into cb_flags nfsd: replace CB_GETATTR_BUSY with NFSD4_CALLBACK_RUNNING nfsd: eliminate cl_ra_cblist and NFSD4_CLIENT_CB_RECALL_ANY nfsd: prevent callback tasks running concurrently nfsd: disallow file locking and delegations for NFSv4 reexport nfsd: filecache: drop the list_lru lock during lock gc scans nfsd: filecache: don't repeatedly add/remove files on the lru list nfsd: filecache: introduce NFSD_FILE_RECENT nfsd: filecache: use list_lru_walk_node() in nfsd_file_gc() nfsd: filecache: use nfsd_file_dispose_list() in nfsd_file_close_inode_sync() NFSD: Re-organize nfsd_file_gc_worker() nfsd: filecache: remove race handling. fs: nfs: acl: Avoid -Wflex-array-member-not-at-end warning ... |
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Linus Torvalds
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fa593d0f96 |
bpf-next-6.15
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Merge tag 'bpf-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
"For this merge window we're splitting BPF pull request into three for
higher visibility: main changes, res_spin_lock, try_alloc_pages.
These are the main BPF changes:
- Add DFA-based live registers analysis to improve verification of
programs with loops (Eduard Zingerman)
- Introduce load_acquire and store_release BPF instructions and add
x86, arm64 JIT support (Peilin Ye)
- Fix loop detection logic in the verifier (Eduard Zingerman)
- Drop unnecesary lock in bpf_map_inc_not_zero() (Eric Dumazet)
- Add kfunc for populating cpumask bits (Emil Tsalapatis)
- Convert various shell based tests to selftests/bpf/test_progs
format (Bastien Curutchet)
- Allow passing referenced kptrs into struct_ops callbacks (Amery
Hung)
- Add a flag to LSM bpf hook to facilitate bpf program signing
(Blaise Boscaccy)
- Track arena arguments in kfuncs (Ihor Solodrai)
- Add copy_remote_vm_str() helper for reading strings from remote VM
and bpf_copy_from_user_task_str() kfunc (Jordan Rome)
- Add support for timed may_goto instruction (Kumar Kartikeya
Dwivedi)
- Allow bpf_get_netns_cookie() int cgroup_skb programs (Mahe Tardy)
- Reduce bpf_cgrp_storage_busy false positives when accessing cgroup
local storage (Martin KaFai Lau)
- Introduce bpf_dynptr_copy() kfunc (Mykyta Yatsenko)
- Allow retrieving BTF data with BTF token (Mykyta Yatsenko)
- Add BPF kfuncs to set and get xattrs with 'security.bpf.' prefix
(Song Liu)
- Reject attaching programs to noreturn functions (Yafang Shao)
- Introduce pre-order traversal of cgroup bpf programs (Yonghong
Song)"
* tag 'bpf-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (186 commits)
selftests/bpf: Add selftests for load-acquire/store-release when register number is invalid
bpf: Fix out-of-bounds read in check_atomic_load/store()
libbpf: Add namespace for errstr making it libbpf_errstr
bpf: Add struct_ops context information to struct bpf_prog_aux
selftests/bpf: Sanitize pointer prior fclose()
selftests/bpf: Migrate test_xdp_vlan.sh into test_progs
selftests/bpf: test_xdp_vlan: Rename BPF sections
bpf: clarify a misleading verifier error message
selftests/bpf: Add selftest for attaching fexit to __noreturn functions
bpf: Reject attaching fexit/fmod_ret to __noreturn functions
bpf: Only fails the busy counter check in bpf_cgrp_storage_get if it creates storage
bpf: Make perf_event_read_output accessible in all program types.
bpftool: Using the right format specifiers
bpftool: Add -Wformat-signedness flag to detect format errors
selftests/bpf: Test freplace from user namespace
libbpf: Pass BPF token from find_prog_btf_id to BPF_BTF_GET_FD_BY_ID
bpf: Return prog btf_id without capable check
bpf: BPF token support for BPF_BTF_GET_FD_BY_ID
bpf, x86: Fix objtool warning for timed may_goto
bpf: Check map->record at the beginning of check_and_free_fields()
...
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Linus Torvalds
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1fa753c7b5 |
EFI updates for v6.15
- Decouple mixed mode startup code from the traditional x86 decompressor - Revert zero-length file hack in efivarfs - Prevent EFI zboot from using the CopyMem/SetMem boot services after ExitBootServices() - Update EFI zboot to use the ZLIB/ZSTD library interfaces directly -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQQQm/3uucuRGn1Dmh0wbglWLn0tXAUCZ9vAPwAKCRAwbglWLn0t XNsFAQCq4zXmbHnFl8gR3rq06f2gR3DKPfUBGVnyfaP/77ag0AD6Alzm4Pg014cL GsZPQf38uGnygMTGYsU1HdE8EugFFQY= =UXC0 -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Decouple mixed mode startup code from the traditional x86 decompressor - Revert zero-length file hack in efivarfs - Prevent EFI zboot from using the CopyMem/SetMem boot services after ExitBootServices() - Update EFI zboot to use the ZLIB/ZSTD library interfaces directly * tag 'efi-next-for-v6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: efi/libstub: Avoid legacy decompressor zlib/zstd wrappers efi/libstub: Avoid CopyMem/SetMem EFI services after ExitBootServices efi: efibc: change kmalloc(size * count, ...) to kmalloc_array() efivarfs: Revert "allow creation of zero length files" x86/efi/mixed: Move mixed mode startup code into libstub x86/efi/mixed: Simplify and document thunking logic x86/efi/mixed: Remove dependency on legacy startup_32 code x86/efi/mixed: Set up 1:1 mapping of lower 4GiB in the stub x86/efi/mixed: Factor out and clean up long mode entry x86/efi/mixed: Check CPU compatibility without relying on verify_cpu() x86/efistub: Merge PE and handover entrypoints |
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Linus Torvalds
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e5e0e6bebe |
This update includes the following changes:
API: - Remove legacy compression interface. - Improve scatterwalk API. - Add request chaining to ahash and acomp. - Add virtual address support to ahash and acomp. - Add folio support to acomp. - Remove NULL dst support from acomp. Algorithms: - Library options are fuly hidden (selected by kernel users only). - Add Kerberos5 algorithms. - Add VAES-based ctr(aes) on x86. - Ensure LZO respects output buffer length on compression. - Remove obsolete SIMD fallback code path from arm/ghash-ce. Drivers: - Add support for PCI device 0x1134 in ccp. - Add support for rk3588's standalone TRNG in rockchip. - Add Inside Secure SafeXcel EIP-93 crypto engine support in eip93. - Fix bugs in tegra uncovered by multi-threaded self-test. - Fix corner cases in hisilicon/sec2. Others: - Add SG_MITER_LOCAL to sg miter. - Convert ubifs, hibernate and xfrm_ipcomp from legacy API to acomp. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEn51F/lCuNhUwmDeSxycdCkmxi6cFAmfiQ9kACgkQxycdCkmx i6fFZg/9GWjC1FLEV66vNlYAIzFGwzwWdFGyQzXyP235Cphhm4qt9gx7P91N6Lvc pplVjNEeZHoP8lMw+AIeGc2cRhIwsvn8C+HA3tCBOoC1qSe8T9t7KHAgiRGd/0iz UrzVBFLYlR9i4tc0T5peyQwSctv8DfjWzduTmI3Ts8i7OQcfeVVgj3sGfWam7kjF 1GJWIQH7aPzT8cwFtk8gAK1insuPPZelT1Ppl9kUeZe0XUibrP7Gb5G9simxXAyi B+nLCaJYS6Hc1f47cfR/qyZSeYQN35KTVrEoKb1pTYXfEtMv6W9fIvQVLJRYsqpH RUBdDJUseE+WckR6glX9USrh+Fv9d+HfsTXh1fhpApKU5sQJ7pDbUm4ge8p6htNG MIszbJPdqajYveRLuPUjFlUXaqomos8eT6BZA+RLHm1cogzEOm+5bjspbfRNAVPj x9KiDu5lXNiFj02v/MkLKUe3bnGIyVQnZNi7Rn0Rpxjv95tIjVpksZWMPJarxUC6 5zdyM2I5X0Z9+teBpbfWyqfzSbAs/KpzV8S/xNvWDUT6NlpYGBeNXrCDTXcwJLAh PRW0w1EJUwsZbPi8GEh5jNzo/YK1cGsUKrihKv7YgqSSopMLI8e/WVr8nKZMVDFA O+6F6ec5lR7KsOIMGUqrBGFU1ccAeaLLvLK3H5J8//gMMg82Uik= =aQNt -----END PGP SIGNATURE----- Merge tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto updates from Herbert Xu: "API: - Remove legacy compression interface - Improve scatterwalk API - Add request chaining to ahash and acomp - Add virtual address support to ahash and acomp - Add folio support to acomp - Remove NULL dst support from acomp Algorithms: - Library options are fuly hidden (selected by kernel users only) - Add Kerberos5 algorithms - Add VAES-based ctr(aes) on x86 - Ensure LZO respects output buffer length on compression - Remove obsolete SIMD fallback code path from arm/ghash-ce Drivers: - Add support for PCI device 0x1134 in ccp - Add support for rk3588's standalone TRNG in rockchip - Add Inside Secure SafeXcel EIP-93 crypto engine support in eip93 - Fix bugs in tegra uncovered by multi-threaded self-test - Fix corner cases in hisilicon/sec2 Others: - Add SG_MITER_LOCAL to sg miter - Convert ubifs, hibernate and xfrm_ipcomp from legacy API to acomp" * tag 'v6.15-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (187 commits) crypto: testmgr - Add multibuffer acomp testing crypto: acomp - Fix synchronous acomp chaining fallback crypto: testmgr - Add multibuffer hash testing crypto: hash - Fix synchronous ahash chaining fallback crypto: arm/ghash-ce - Remove SIMD fallback code path crypto: essiv - Replace memcpy() + NUL-termination with strscpy() crypto: api - Call crypto_alg_put in crypto_unregister_alg crypto: scompress - Fix incorrect stream freeing crypto: lib/chacha - remove unused arch-specific init support crypto: remove obsolete 'comp' compression API crypto: compress_null - drop obsolete 'comp' implementation crypto: cavium/zip - drop obsolete 'comp' implementation crypto: zstd - drop obsolete 'comp' implementation crypto: lzo - drop obsolete 'comp' implementation crypto: lzo-rle - drop obsolete 'comp' implementation crypto: lz4hc - drop obsolete 'comp' implementation crypto: lz4 - drop obsolete 'comp' implementation crypto: deflate - drop obsolete 'comp' implementation crypto: 842 - drop obsolete 'comp' implementation crypto: nx - Migrate to scomp API ... |
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Sungjong Seo
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c73e680d1f |
exfat: call bh_read in get_block only when necessary
With commit
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Sungjong Seo
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59c30e3142 |
exfat: fix potential wrong error return from get_block
If there is no error, get_block() should return 0. However, when bh_read()
returns 1, get_block() also returns 1 in the same manner.
Let's set err to 0, if there is no error from bh_read()
Fixes:
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||
Namjae Jeon
|
ddb7ea36ba |
ksmbd: fix r_count dec/increment mismatch
r_count is only increased when there is an oplock break wait,
so r_count inc/decrement are not paired. This can cause r_count
to become negative, which can lead to a problem where the ksmbd
thread does not terminate.
Fixes:
|
||
|
Namjae Jeon
|
c1883049aa |
ksmbd: fix multichannel connection failure
ksmbd check that the session of second channel is in the session list of
first connection. If it is in session list, multichannel connection
should not be allowed.
Fixes:
|
||
|
Namjae Jeon
|
15a9605f8d |
ksmbd: fix use-after-free in ksmbd_sessions_deregister()
In multichannel mode, UAF issue can occur in session_deregister when the second channel sets up a session through the connection of the first channel. session that is freed through the global session table can be accessed again through ->sessions of connection. Cc: stable@vger.kernel.org Reported-by: Norbert Szetei <norbert@doyensec.com> Tested-by: Norbert Szetei <norbert@doyensec.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Namjae Jeon
|
6955bfef8f |
ksmbd: use ib_device_get_netdev() instead of calling ops.get_netdev
ULPs are not supposed to call to ops.* directly. Suggested-by: Leon Romanovsky <leon@kernel.org> Reviewed-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
Miaoqian Lin
|
6171063e9d |
ksmbd: use aead_request_free to match aead_request_alloc
Use aead_request_free() instead of kfree() to properly free memory
allocated by aead_request_alloc(). This ensures sensitive crypto data
is zeroed before being freed.
Fixes:
|
||
|
Namjae Jeon
|
1a81ea738c |
Revert "ksmbd: fix missing RDMA-capable flag for IPoIB device in ksmbd_rdma_capable_netdev()"
This reverts commit
|
||
Norbert Szetei
|
bab703ed84 |
ksmbd: add bounds check for create lease context
Add missing bounds check for create lease context. Cc: stable@vger.kernel.org Reported-by: Norbert Szetei <norbert@doyensec.com> Tested-by: Norbert Szetei <norbert@doyensec.com> Signed-off-by: Norbert Szetei <norbert@doyensec.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Linus Torvalds
|
5c2a430e85 |
Ext4 bug fixes and cleanups, including:
* hardening against maliciously fuzzed file systems
* backwards compatibility for the brief period when we attempted to
ignore zero-width characters
* avoid potentially BUG'ing if there is a file system corruption found
during the file system unmount
* fix free space reporting by statfs when project quotas are enabled
and the free space is less than the remaining project quota
Also improve performance when replaying a journal with a very large
number of revoke records (applicable for Lustre volumes).
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Merge tag 'ext4-for_linus-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"Ext4 bug fixes and cleanups, including:
- hardening against maliciously fuzzed file systems
- backwards compatibility for the brief period when we attempted to
ignore zero-width characters
- avoid potentially BUG'ing if there is a file system corruption
found during the file system unmount
- fix free space reporting by statfs when project quotas are enabled
and the free space is less than the remaining project quota
Also improve performance when replaying a journal with a very large
number of revoke records (applicable for Lustre volumes)"
* tag 'ext4-for_linus-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (71 commits)
ext4: fix OOB read when checking dotdot dir
ext4: on a remount, only log the ro or r/w state when it has changed
ext4: correct the error handle in ext4_fallocate()
ext4: Make sb update interval tunable
ext4: avoid journaling sb update on error if journal is destroying
ext4: define ext4_journal_destroy wrapper
ext4: hash: simplify kzalloc(n * 1, ...) to kzalloc(n, ...)
jbd2: add a missing data flush during file and fs synchronization
ext4: don't over-report free space or inodes in statvfs
ext4: clear DISCARD flag if device does not support discard
jbd2: remove jbd2_journal_unfile_buffer()
ext4: reorder capability check last
ext4: update the comment about mb_optimize_scan
jbd2: fix off-by-one while erasing journal
ext4: remove references to bh->b_page
ext4: goto right label 'out_mmap_sem' in ext4_setattr()
ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()
ext4: introduce ITAIL helper
jbd2: remove redundant function jbd2_journal_has_csum_v2or3_feature
ext4: remove redundant function ext4_has_metadata_csum
...
|
||
|
Linus Torvalds
|
4a4b30ea80 |
bcachefs updates for 6.15
On disk format is now soft frozen: no more required/automatic are
anticipated before taking off the experimental label.
Major changes/features since 6.14:
- Scrub
- Blocksize greater than page size support
- A number of "rebalance spinning and doing no work" issues have been
fixed; we now check if the write allocation will succeed in
bch2_data_update_init(), before kicking off the read.
There's still more work to do in this area. Later we may want to add
another bitset btree, like rebalance_work, to track "extents that
rebalance was requested to move but couldn't", e.g. due to destination
target having insufficient online devices.
- We can now support scaling well into the petabyte range: latest
bcachefs-tools will pick an appropriate bucket size at format time to
ensure fsck can run in available memory (e.g. a server with 256GB of
ram and 100PB of storage would want 16MB buckets).
On disk format changes:
- 1.21: cached backpointers (scalability improvement)
Cached replicas now get backpointers, which means we no longer rely on
incrementing bucket generation numbers to invalidate cached data: this
lets us get rid of the bucket generation number garbage collection,
which had to periodically rescan all extents to recompute bucket
oldest_gen.
Bucket generation numbers are now only used as a consistency check,
but they're quite useful for that.
- 1.22: stripe backpointers
Stripes now have backpointers: erasure coded stripes have their own
checksums, separate from the checksums for the extents they contain
(and stripe checksums also cover the parity blocks). This is required
for implementing scrub for stripes.
- 1.23: stripe lru (scalability improvement)
Persistent lru for stripes, ordered by "number of empty blocks". This
is used by the stripe creation path, which depending on free space
may create a new stripe out of a partially empty existing stripe
instead of starting a brand new stripe.
This replaces an in-memory heap, and means we no longer have to read
in the stripes btree at startup.
- 1.24: casefolding
Case insensitive directory support, courtesy of Valve.
This is an incompatible feature, to enable mount with
-o version_upgrade=incompatible
- 1.25: extent_flags
Another incompatible feature requiring explicit opt-in to enable.
This adds a flags entry to extents, and a flag bit that marks extents
as poisoned.
A poisoned extent is an extent that was unreadable due to checksum
errors. We can't move such extents without giving them a new checksum,
and we may have to move them (for e.g. copygc or device evacuate).
We also don't want to delete them: in the future we'll have an API
that lets userspace ignore checksum errors and attempt to deal with
simple bitrot itself. Marking them as poisoned lets us continue to
return the correct error to userspace on normal read calls.
Other changes/features:
- BCH_IOCTL_QUERY_COUNTERS: this is used by the new 'bcachefs fs top'
command, which shows a live view of all internal filesystem counters.
- Improved journal pipelining: we can now have 16 journal writes in
flight concurrently, up from 4. We're logging significantly more to
the journal than we used to with all the recent disk accounting
changes and additions, so some users should see a performance
increase on some workloads.
- BCH_MEMBER_STATE_failed: previously, we would do no IO at all to
devices marked as failed. Now we will attempt to read from them, but
only if we have no better options.
- New option, write_error_timeout: devices will be kicked out of the
filesystem if all writes have been failing for x number of seconds.
We now also kick devices out when notified by blk_holder_ops that
they've gone offline.
- Device option handling improvements: the discard option should now be
working as expected (additionally, in -tools, all device options that
can be set at format time can now be set at device add time, i.e.
data_allowed, state).
- We now try harder to read data after a checksum error: we'll do
additional retries if necessary to a device after after it gave us
data with a checksum error.
- More self healing work: the full inode <-> dirent consistency checks
that are currently run by fsck are now also run every time we do a
lookup, meaning we'll be able to correct errors at runtime. Runtime
self healing will be flipped on after the new changes have seen more
testing, currently they're just checking for consistency.
- KMSAN fixes: our KMSAN builds should be nearly clean now, which will
put a massive dent in the syzbot dashboard.
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Merge tag 'bcachefs-2025-03-24' of git://evilpiepirate.org/bcachefs
Pull bcachefs updates from Kent Overstreet:
"On disk format is now soft frozen: no more required/automatic are
anticipated before taking off the experimental label.
Major changes/features since 6.14:
- Scrub
- Blocksize greater than page size support
- A number of "rebalance spinning and doing no work" issues have been
fixed; we now check if the write allocation will succeed in
bch2_data_update_init(), before kicking off the read.
There's still more work to do in this area. Later we may want to
add another bitset btree, like rebalance_work, to track "extents
that rebalance was requested to move but couldn't", e.g. due to
destination target having insufficient online devices.
- We can now support scaling well into the petabyte range: latest
bcachefs-tools will pick an appropriate bucket size at format time
to ensure fsck can run in available memory (e.g. a server with
256GB of ram and 100PB of storage would want 16MB buckets).
On disk format changes:
- 1.21: cached backpointers (scalability improvement)
Cached replicas now get backpointers, which means we no longer rely
on incrementing bucket generation numbers to invalidate cached
data: this lets us get rid of the bucket generation number garbage
collection, which had to periodically rescan all extents to
recompute bucket oldest_gen.
Bucket generation numbers are now only used as a consistency check,
but they're quite useful for that.
- 1.22: stripe backpointers
Stripes now have backpointers: erasure coded stripes have their own
checksums, separate from the checksums for the extents they contain
(and stripe checksums also cover the parity blocks). This is
required for implementing scrub for stripes.
- 1.23: stripe lru (scalability improvement)
Persistent lru for stripes, ordered by "number of empty blocks".
This is used by the stripe creation path, which depending on free
space may create a new stripe out of a partially empty existing
stripe instead of starting a brand new stripe.
This replaces an in-memory heap, and means we no longer have to
read in the stripes btree at startup.
- 1.24: casefolding
Case insensitive directory support, courtesy of Valve.
This is an incompatible feature, to enable mount with
-o version_upgrade=incompatible
- 1.25: extent_flags
Another incompatible feature requiring explicit opt-in to enable.
This adds a flags entry to extents, and a flag bit that marks
extents as poisoned.
A poisoned extent is an extent that was unreadable due to checksum
errors. We can't move such extents without giving them a new
checksum, and we may have to move them (for e.g. copygc or device
evacuate). We also don't want to delete them: in the future we'll
have an API that lets userspace ignore checksum errors and attempt
to deal with simple bitrot itself. Marking them as poisoned lets us
continue to return the correct error to userspace on normal read
calls.
Other changes/features:
- BCH_IOCTL_QUERY_COUNTERS: this is used by the new 'bcachefs fs top'
command, which shows a live view of all internal filesystem
counters.
- Improved journal pipelining: we can now have 16 journal writes in
flight concurrently, up from 4. We're logging significantly more to
the journal than we used to with all the recent disk accounting
changes and additions, so some users should see a performance
increase on some workloads.
- BCH_MEMBER_STATE_failed: previously, we would do no IO at all to
devices marked as failed. Now we will attempt to read from them,
but only if we have no better options.
- New option, write_error_timeout: devices will be kicked out of the
filesystem if all writes have been failing for x number of seconds.
We now also kick devices out when notified by blk_holder_ops that
they've gone offline.
- Device option handling improvements: the discard option should now
be working as expected (additionally, in -tools, all device options
that can be set at format time can now be set at device add time,
i.e. data_allowed, state).
- We now try harder to read data after a checksum error: we'll do
additional retries if necessary to a device after after it gave us
data with a checksum error.
- More self healing work: the full inode <-> dirent consistency
checks that are currently run by fsck are now also run every time
we do a lookup, meaning we'll be able to correct errors at runtime.
Runtime self healing will be flipped on after the new changes have
seen more testing, currently they're just checking for consistency.
- KMSAN fixes: our KMSAN builds should be nearly clean now, which
will put a massive dent in the syzbot dashboard"
* tag 'bcachefs-2025-03-24' of git://evilpiepirate.org/bcachefs: (180 commits)
bcachefs: Kill unnecessary bch2_dev_usage_read()
bcachefs: btree node write errors now print btree node
bcachefs: Fix race in print_chain()
bcachefs: btree_trans_restart_foreign_task()
bcachefs: bch2_disk_accounting_mod2()
bcachefs: zero init journal bios
bcachefs: Eliminate padding in move_bucket_key
bcachefs: Fix a KMSAN splat in btree_update_nodes_written()
bcachefs: kmsan asserts
bcachefs: Fix kmsan warnings in bch2_extent_crc_pack()
bcachefs: Disable asm memcpys when kmsan enabled
bcachefs: Handle backpointers with unknown data types
bcachefs: Count BCH_DATA_parity backpointers correctly
bcachefs: Run bch2_check_dirent_target() at lookup time
bcachefs: Refactor bch2_check_dirent_target()
bcachefs: Move bch2_check_dirent_target() to namei.c
bcachefs: fs-common.c -> namei.c
bcachefs: EIO cleanup
bcachefs: bch2_write_prep_encoded_data() now returns errcode
bcachefs: Simplify bch2_write_op_error()
...
|
||
|
Linus Torvalds
|
f79adee883 |
Various bug fixes and cleanups for JFS
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||
|
Linus Torvalds
|
fde05627a2 |
orangefs: one fixup
From "Dr. David Alan Gilbert" <linux@treblig.org> remove two orangefs bufmap routines that no longer have callers. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEWLOQAZkv9m2xtUCf/Vh1C1u0YnAFAmfi9WEACgkQ/Vh1C1u0 YnAQ+w//UJMBZHjvnrrDYL/RJdohXVB3/ct9KmI/FrhMAmxUtFMQX5sBwPZOg3LF r4m1y4GbM+/5mjYEnRePGiknjJ4TTjf1mRCDZoYPrlWAtirTsWQefTPC6uNfq39B 1vrqHl+dWaxPz5L3xTJJx3G+apmxpq+KR/JYpxI4GsJqEQ6Sf/p5DWPDRiEteWXw mR18hsIEIhPEAfGovInEG6hT81jIHWcNIKA3oJhWe+B0cZaspYZRgvTWN+jvPoxB fbUkLxAc0oHQ4+PvIOMmQk4mp7zZvCrhY2bzShwS6cA35qmOb6WFbJxEvbe//ZDR NQBAqeXcDWrHpt5unDtjJrCOeOolq39MEdPXl9GjplZ7Dl5SPBy9XqnSIdUrQkPc hAMXF43M80j8I9OAVO7nXouhAI1YV1aQRZJQyc2zMpdTOZ/BRHEwiMyoHUCJIEHE Yuo5fH7e8B8hyfsaMNBgMBhwtKSGmz5uZMcc+XJ+2BXCE4l8MKXhmNK0Qlcjo/pe /QPu5+XVJcom+1KbIOsKUMYwp2iCopKrs02mLjEXM4Y80y6tTrA9hAby2tr3gjwW K982GTkhY/n4gWaZS4xjoVyTjmdk4+uKPMQFuUddxwVAdFCDkxS59olJEGqKGwfM lN6z1UaOh1q6LNN/5SDQVBNn7TBGRMYyTYWTL1Kdg3Ul0MMx9vY= =mSww -----END PGP SIGNATURE----- Merge tag 'for-linus-6.15-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux Pull orangefs update from Mike Marshall: - remove two orangefs bufmap routines that no longer have callers * tag 'for-linus-6.15-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux: orangefs: Bufmap deadcoding |
||
|
Linus Torvalds
|
c148bc7535 |
XFS - new code for 6.15
Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQSmtYVZ/MfVMGUq1GNcsMJ8RxYuYwUCZ+Eg9QAKCRBcsMJ8RxYu Y707AYCssAqTYkwPm937oACNbNpL3d2Q/3kP6ku+LmEZM+1HlD2K9cwsdqEWBcWw oPA4ClwBgKP2dnn66oaaFSxEWMj/1evpbzAqptSKBJys83Ge7PFGiFG4Tyk7AUvl kAc1FcIYrQ== =9SdI -----END PGP SIGNATURE----- Merge tag 'xfs-6.15-merge' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs updates from Carlos Maiolino: - XFS zoned allocator: Enables XFS to support zoned devices using its real-time allocator - Use folios/vmalloc for buffer cache backing memory - Some code cleanups and bug fixes * tag 'xfs-6.15-merge' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (70 commits) xfs: remove the flags argument to xfs_buf_get_uncached xfs: remove the flags argument to xfs_buf_read_uncached xfs: remove xfs_buf_free_maps xfs: remove xfs_buf_get_maps xfs: call xfs_buf_alloc_backing_mem from _xfs_buf_alloc xfs: remove unnecessary NULL check before kvfree() xfs: don't wake zone space waiters without m_zone_info xfs: don't increment m_generation for all errors in xfs_growfs_data xfs: fix a missing unlock in xfs_growfs_data xfs: Remove duplicate xfs_rtbitmap.h header xfs: trigger zone GC when out of available rt blocks xfs: trace what memory backs a buffer xfs: cleanup mapping tmpfs folios into the buffer cache xfs: use vmalloc instead of vm_map_area for buffer backing memory xfs: buffer items don't straddle pages anymore xfs: kill XBF_UNMAPPED xfs: convert buffer cache to use high order folios xfs: remove the kmalloc to page allocator fallback xfs: refactor backing memory allocations for buffers xfs: remove xfs_buf_is_vmapped ... |
||
|
Linus Torvalds
|
0de1e84263 |
dlm for 6.15
This set includes: - two fixes to the recent rcu lookup optimizations - a change allowing TCP to be configured with the first of multiple IP address -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEcGkeEvkvjdvlR90nOBtzx/yAaaoFAmfhjr0ACgkQOBtzx/yA aaqiAQ//Xi59Ah5i6/5+mAeMJLEkXyaWBpdH/pf/TIG/WuD6rBtxikGQPasPkVms 3ZkbyEU/fWaVjcvhmbzuWgBlbpjc3V17dshQLObrHmUyxdLJMwS9GZC9LJx2ci5E OnW5jLnVzHqMFdehJ+2EBuGf3S2UIMpyn6bvd1/9v6/VmYHHYpn2CKcHVRq0PnDB inbbCbJJX9TMFH6moXXdKAvYbF54CUfzGgAIEanwKJKg1oK0DHQ3Yvgoo7Rq/Skc rnLIR61QfQsQJgQRawEvHW8LASd1RoJFlZu5F+348KyAP/C4jntUBBpYiQualKWG jYjDHDJ0ES4q4/F4jkoPHZwOvhkKBQLNBwMZyRabsWbWOdLrmxWbrhH6Q6KhmyDi rFG4dZLBms5fhT5fAQDX37+JTFy2HGvhrOeOVF0goCrb2ALQBPZJD7p7aBXULYj9 VkEP5dv8GOEZWcj5n6l9Rt/dsDIWPix9LjVIKxx5nUML0BI9bXavwyUTfFJyM2My VMHX0Y9F+wrXBNHdLgwSAHf2R5zr0WpN65hhnmudwmGyiT5HC28lKld6Gvb4aGeh 6R5nTP5QF29RKWhFFP0vVghAgX//UMyEweYGZPC7hGTe6GKHVwM55aHI/0/yLL4/ XHXjeTi6yukM7nB3CsfmeS4tBgj49m1gHL1FHsBPW/8F7pcihxE= =e+sv -----END PGP SIGNATURE----- Merge tag 'dlm-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm Pull dlm updates from David Teigland: - two fixes to the recent rcu lookup optimizations - a change allowing TCP to be configured with the first of multiple IP address * tag 'dlm-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: make tcp still work in multi-link env dlm: fix error if active rsb is not hashed dlm: fix error if inactive rsb is not hashed dlm: prevent NPD when writing a positive value to event_done dlm: increase max number of links for corosync3/knet |
||
|
Linus Torvalds
|
81d8e5e213 |
f2fs-for-6.15-rc1
In this round, there are three major updates: 1) folio conversion, 2) refactor for mount API conversion, 3) some performance improvement such as direct IO, checkpoint speed, and IO priority hints. For stability, there are patches which add more sanity checks and fixes some major issues like i_size in atomic write operations and write pointer recovery in zoned devices. Enhancement: - huge folio converion work by Matthew Wilcox - clean up for mount API conversion by Eric Sandeen - improve direct IO speed in the overwrite case - add some sanity check on node consistency - set highest IO priority for checkpoint thread - keep POSIX_FADV_NOREUSE ranges and add sysfs entry to reclaim pages - add ioctl to get IO priority hint - add carve_out sysfs node for fsstat Bug fix: - disable nat_bits during umount to avoid potential nat entry corruption - fix missing i_size update on atomic writes - fix missing discard for active segments - fix running out of free segments - fix out-of-bounds access in f2fs_truncate_inode_blocks() - call f2fs_recover_quota_end() correctly - fix potential deadloop in prepare_compress_overwrite() - fix the missing write pointer correction for zoned device - fix to avoid panic once fallocation fails for pinfile - don't retry IO for corrupted data scenario There are many other clean up patches and minor bug fixes as usual. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE00UqedjCtOrGVvQiQBSofoJIUNIFAmfhjuYACgkQQBSofoJI UNJF+hAAip0Sf6bXwt43KR3lmbXg/YBTtPDACOs375Pn8pfRVsAPIAf5e1AnlBET rA0KpqUrEZHXenQFF9n4LIoHYqfuUw3EMempuvp4qgQcx15Kaajw+EGWVLYstNy2 9dELc9DA55f/i1uvHezGfQFy6hMfXasf+tkaYk0z0ZYDStYboLgkVAY+F869q1Dl D16Y7Lna12h4eCxDdssIPDsLjFH/2LDn7SmhXsnpZxwK0Zx8JSo83WxXHnzXHxz4 vUkukInKgqcBDvf6ufW/YF3/tqSs20XEXNK3cI1vyHx1dwij6Us+G0n0WJHL30QE zsliecR0X28JP1rJ3ldCjr+4Kxm6/u/Uwpinm2Fm1jL67UY4TZcaARBE8k20I6ND j/L1+sXrIdZ1aILM9/bwCjgXiVFdZbvlfGfpTj1duAkQgRd+/s9cjPlo5j5HTad5 XJmzJz6YOaUNarhP/E31Z9SV9M2kEcmoDOTxKBg6ZcMWXZ27B6Z0ag92prd0GWk6 rWDuVj0eP/LDY1QedbHRPbg1D84jVgcnldfPaf9ptln993skJGdgS0dkegTqMR0L H8RgpWOzWZI53gnQdePdej8diHmD8uRTrLf/oABm//GzTHC5BdwVpArOl1DCuLFF YkMtVEicgnWRmL3PgODAdTJXaDi3uGvT116i+lfMlUn9p+t93r0= =E+TE -----END PGP SIGNATURE----- Merge tag 'f2fs-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs Pull f2fs updates from Jaegeuk Kim: "In this round, there are three major updates: (1) folio conversion, (2) refactoring for mount API conversion, (3) some performance improvement such as direct IO, checkpoint speed, and IO priority hints. For stability, there are patches which add more sanity checks and fixes some major issues like i_size in atomic write operations and write pointer recovery in zoned devices. Enhancements: - huge folio converion work by Matthew Wilcox - clean up for mount API conversion by Eric Sandeen - improve direct IO speed in the overwrite case - add some sanity check on node consistency - set highest IO priority for checkpoint thread - keep POSIX_FADV_NOREUSE ranges and add sysfs entry to reclaim pages - add ioctl to get IO priority hint - add carve_out sysfs node for fsstat Bug fixes: - disable nat_bits during umount to avoid potential nat entry corruption - fix missing i_size update on atomic writes - fix missing discard for active segments - fix running out of free segments - fix out-of-bounds access in f2fs_truncate_inode_blocks() - call f2fs_recover_quota_end() correctly - fix potential deadloop in prepare_compress_overwrite() - fix the missing write pointer correction for zoned device - fix to avoid panic once fallocation fails for pinfile - don't retry IO for corrupted data scenario There are many other clean up patches and minor bug fixes as usual" * tag 'f2fs-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (68 commits) f2fs: fix missing discard for active segments f2fs: optimize f2fs DIO overwrites f2fs: fix to avoid atomicity corruption of atomic file f2fs: pass sbi rather than sb to parse_options() f2fs: pass sbi rather than sb to quota qf_name helpers f2fs: defer readonly check vs norecovery f2fs: Pass sbi rather than sb to f2fs_set_test_dummy_encryption f2fs: make LAZYTIME a mount option flag f2fs: make INLINECRYPT a mount option flag f2fs: factor out an f2fs_default_check function f2fs: consolidate unsupported option handling errors f2fs: use f2fs_sb_has_device_alias during option parsing f2fs: add carve_out sysfs node f2fs: fix to avoid running out of free segments f2fs: Remove f2fs_write_node_page() f2fs: Remove f2fs_write_meta_page() f2fs: Remove f2fs_write_data_page() f2fs: Remove check for ->writepage Revert "f2fs: rebuild nat_bits during umount" f2fs: fix to avoid accessing uninitialized curseg ... |
||
|
Linus Torvalds
|
fd71def6d9 |
for-6.15-tag
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Merge tag 'for-6.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"User visible changes:
- fall back to buffered write if direct io is done on a file that
requires checksums
- this avoids a problem with checksum mismatch errors, observed
e.g. on virtual images when writes to pages under writeback
cause the checksum mismatch reports
- this may lead to some performance degradation but currently the
recommended setup for VM images is to use the NOCOW file
attribute that also disables checksums
- fast/realtime zstd levels -15 to -1
- supported by mount options (compress=zstd:-5) and defrag ioctl
- improved speed, reduced compression ratio, check the commit for
sample measurements
- defrag ioctl extended to accept negative compression levels
- subpage mode
- remove warning when subpage mode is used, the feature is now
reasonably complete and tested
- in debug mode allow to create 2K b-tree nodes to allow testing
subpage on x86_64 with 4K pages too
Performance improvements:
- in send, better file path caching improves runtime (on sample load
by -30%)
- on s390x with hardware zlib support prepare the input buffer in a
better way to get the best results from the acceleration
- minor speed improvement in encoded read, avoid memory allocation in
synchronous mode
Core:
- enable stable writes on inodes, replacing manually waiting for
writeback and allowing to skip that on inodes without checksums
- add last checks and warnings for out-of-band dirty writes to pages,
requiring a fixup ("fixup worker"), this should not be necessary
since 5.8 where get_user_page() and pin_user_pages*() prevent this
- long history behind that, we'll be happy to remove the whole
infrastructure in the near future
- more folio API conversions and preparations for large folio support
- subpage cleanups and refactoring, split handling of data and
metadata to allow future support for large folios
- readpage works as block-by-block, no change for normal mode, this
is preparation for future subpage updates
- block group refcount fixes and hardening
- delayed iput fixes
- in zoned mode, fix zone activation on filesystem with missing
devices
Cleanups:
- inode parameter cleanups
- path auto-freeing updates
- code flow simplifications in send
- redundant parameter cleanups"
* tag 'for-6.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (164 commits)
btrfs: zoned: fix zone finishing with missing devices
btrfs: zoned: fix zone activation with missing devices
btrfs: remove end_no_trans label from btrfs_log_inode_parent()
btrfs: simplify condition for logging new dentries at btrfs_log_inode_parent()
btrfs: remove redundant else statement from btrfs_log_inode_parent()
btrfs: use memcmp_extent_buffer() at replay_one_extent()
btrfs: update outdated comment for overwrite_item()
btrfs: use variables to store extent buffer and slot at overwrite_item()
btrfs: avoid unnecessary memory allocation and copy at overwrite_item()
btrfs: don't clobber ret in btrfs_validate_super()
btrfs: prepare btrfs_page_mkwrite() for large folios
btrfs: prepare extent_io.c for future large folio support
btrfs: prepare btrfs_launcher_folio() for large folios support
btrfs: replace PAGE_SIZE with folio_size for subpage.[ch]
btrfs: add a size parameter to btrfs_alloc_subpage()
btrfs: subpage: make btrfs_is_subpage() check against a folio
btrfs: add extra warning if delayed iput is added when it's not allowed
btrfs: avoid redundant path slot assignment in btrfs_search_forward()
btrfs: remove unnecessary btrfs_key local variable in btrfs_search_forward()
btrfs: simplify the return value handling in search_ioctl()
...
|
||
|
Linus Torvalds
|
b2e7b0ffa5 |
Changes since last update:
- Support 48-bit block addressing for large images;
- Introduce encoded extents to reduce metadata on larger pclusters;
- Enable unaligned compressed data to improve Zstd compression speed;
- Allow 16-byte volume names again;
- Minor cleanups.
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Merge tag 'erofs-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs updates from Gao Xiang:
"In this cycle, EROFS 48-bit block addressing is available to support
massive datasets for model training and other large data archive use
cases.
In addition, byte-oriented encoded extents have been supported to
reduce metadata sizes when using large configurations as well as to
improve Zstd compression speed.
There are some bugfixes and cleanups as usual.
Summary:
- Support 48-bit block addressing for large images
- Introduce encoded extents to reduce metadata on larger pclusters
- Enable unaligned compressed data to improve Zstd compression speed
- Allow 16-byte volume names again
- Minor cleanups"
* tag 'erofs-for-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: enable 48-bit layout support
erofs: support unaligned encoded data
erofs: implement encoded extent metadata
erofs: add encoded extent on-disk definition
erofs: initialize decompression early
erofs: support dot-omitted directories
erofs: implement 48-bit block addressing for unencoded inodes
erofs: add 48-bit block addressing on-disk support
erofs: simplify erofs_{read,fill}_inode()
erofs: get rid of erofs_map_blocks_flatmode()
erofs: move {in,out}pages into struct z_erofs_decompress_req
erofs: clean up header parsing for ztailpacking and fragments
erofs: simplify tail inline pcluster handling
erofs: allow 16-byte volume name again
erofs: get rid of erofs_kmap_type
erofs: use Z_EROFS_LCLUSTER_TYPE_MAX to simplify switches
|
||
|
Linus Torvalds
|
ef479de65a |
gfs2 changes
- Fix two bugs related to locking request cancelation (locking request being retried instead of canceled; canceling the wrong locking request). - Prevent a race between inode creation and deferred delete analogous to commit |
||
Yuezhang Mo
|
47e35366bc |
exfat: fix missing shutdown check
xfstests generic/730 test failed because after deleting the device
that still had dirty data, the file could still be read without
returning an error. The reason is the missing shutdown check in
->read_iter.
I also noticed that shutdown checks were missing from ->write_iter,
->splice_read, and ->mmap. This commit adds shutdown checks to all
of them.
Fixes:
|
||
|
Yuezhang Mo
|
b0522303f6 |
exfat: fix the infinite loop in exfat_find_last_cluster()
In exfat_find_last_cluster(), the cluster chain is traversed until
the EOF cluster. If the cluster chain includes a loop due to file
system corruption, the EOF cluster cannot be traversed, resulting
in an infinite loop.
If the number of clusters indicated by the file size is inconsistent
with the cluster chain length, exfat_find_last_cluster() will return
an error, so if this inconsistency is found, the traversal can be
aborted without traversing to the EOF cluster.
Reported-by: syzbot+f7d147e6db52b1e09dba@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=f7d147e6db52b1e09dba
Tested-by: syzbot+f7d147e6db52b1e09dba@syzkaller.appspotmail.com
Fixes:
|
||
|
Sungjong Seo
|
1bb7ff4204 |
exfat: fix random stack corruption after get_block
When get_block is called with a buffer_head allocated on the stack, such
as do_mpage_readpage, stack corruption due to buffer_head UAF may occur in
the following race condition situation.
<CPU 0> <CPU 1>
mpage_read_folio
<<bh on stack>>
do_mpage_readpage
exfat_get_block
bh_read
__bh_read
get_bh(bh)
submit_bh
wait_on_buffer
...
end_buffer_read_sync
__end_buffer_read_notouch
unlock_buffer
<<keep going>>
...
...
...
...
<<bh is not valid out of mpage_read_folio>>
.
.
another_function
<<variable A on stack>>
put_bh(bh)
atomic_dec(bh->b_count)
* stack corruption here *
This patch returns -EAGAIN if a folio does not have buffers when bh_read
needs to be called. By doing this, the caller can fallback to functions
like block_read_full_folio(), create a buffer_head in the folio, and then
call get_block again.
Let's do not call bh_read() with on-stack buffer_head.
Fixes:
|
||
|
Yuezhang Mo
|
f6369ae1f0 |
exfat: remove count used cluster from exfat_statfs()
The callback function statfs() is called only after the file system is mounted. During the process of mounting the exFAT file system, the number of used clusters has been counted, so the condition "sbi->used_clusters == EXFAT_CLUSTERS_UNTRACKED" is always false and should be deleted. Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> |
||
|
Yuezhang Mo
|
a36e0ab44c |
exfat: support batch discard of clusters when freeing clusters
If the discard mount option is enabled, the file's clusters are discarded when the clusters are freed. Discarding clusters one by one will significantly reduce performance. Poor performance may cause soft lockup when lots of clusters are freed. This commit improves performance by discarding contiguous clusters in batches. Measure the performance by: # truncate -s 80G /mnt/file # time rm /mnt/file Without this commit: real 4m46.183s user 0m0.000s sys 0m12.863s With this commit: real 0m1.661s user 0m0.000s sys 0m0.017s Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com> Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> |
||
|
Linus Torvalds
|
1a9239bb42 |
Networking changes for 6.15.
Core & protocols
----------------
- Continue Netlink conversions to per-namespace RTNL lock
(IPv4 routing, routing rules, routing next hops, ARP ioctls).
- Continue extending the use of netdev instance locks. As a driver
opt-in protect queue operations and (in due course) ethtool
operations with the instance lock and not RTNL lock.
- Support collecting TCP timestamps (data submitted, sent, acked)
in BPF, allowing for transparent (to the application) and lower
overhead tracking of TCP RPC performance.
- Tweak existing networking Rx zero-copy infra to support zero-copy
Rx via io_uring.
- Optimize MPTCP performance in single subflow mode by 29%.
- Enable GRO on packets which went thru XDP CPU redirect (were queued
for processing on a different CPU). Improving TCP stream performance
up to 2x.
- Improve performance of contended connect() by 200% by searching
for an available 4-tuple under RCU rather than a spin lock.
Bring an additional 229% improvement by tweaking hash distribution.
- Avoid unconditionally touching sk_tsflags on RX, improving
performance under UDP flood by as much as 10%.
- Avoid skb_clone() dance in ping_rcv() to improve performance under
ping flood.
- Avoid FIB lookup in netfilter if socket is available, 20% perf win.
- Rework network device creation (in-kernel) API to more clearly
identify network namespaces and their roles.
There are up to 4 namespace roles but we used to have just 2 netns
pointer arguments, interpreted differently based on context.
- Use sysfs_break_active_protection() instead of trylock to avoid
deadlocks between unregistering objects and sysfs access.
- Add a new sysctl and sockopt for capping max retransmit timeout
in TCP.
- Support masking port and DSCP in routing rule matches.
- Support dumping IPv4 multicast addresses with RTM_GETMULTICAST.
- Support specifying at what time packet should be sent on AF_XDP
sockets.
- Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin users.
- Add Netlink YAML spec for WiFi (nl80211) and conntrack.
- Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols
which only need to be exported when IPv6 support is built as a module.
- Age FDB entries based on Rx not Tx traffic in VxLAN, similar
to normal bridging.
- Allow users to specify source port range for GENEVE tunnels.
- netconsole: allow attaching kernel release, CPU ID and task name
to messages as metadata
Driver API
----------
- Continue rework / fixing of Energy Efficient Ethernet (EEE) across
the SW layers. Delegate the responsibilities to phylink where possible.
Improve its handling in phylib.
- Support symmetric OR-XOR RSS hashing algorithm.
- Support tracking and preserving IRQ affinity by NAPI itself.
- Support loopback mode speed selection for interface selftests.
Device drivers
--------------
- Remove the IBM LCS driver for s390.
- Remove the sb1000 cable modem driver.
- Add support for SFP module access over SMBus.
- Add MCTP transport driver for MCTP-over-USB.
- Enable XDP metadata support in multiple drivers.
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- add PCIe TLP Processing Hints (TPH) support for new AMD platforms
- support dumping RoCE queue state for debug
- opt into instance locking
- Intel (100G, ice, idpf):
- ice: rework MSI-X IRQ management and distribution
- ice: support for E830 devices
- iavf: add support for Rx timestamping
- iavf: opt into instance locking
- nVidia/Mellanox:
- mlx4: use page pool memory allocator for Rx
- mlx5: support for one PTP device per hardware clock
- mlx5: support for 200Gbps per-lane link modes
- mlx5: move IPSec policy check after decryption
- AMD/Solarflare:
- support FW flashing via devlink
- Cisco (enic):
- use page pool memory allocator for Rx
- enable 32, 64 byte CQEs
- get max rx/tx ring size from the device
- Meta (fbnic):
- support flow steering and RSS configuration
- report queue stats
- support TCP segmentation
- support IRQ coalescing
- support ring size configuration
- Marvell/Cavium:
- support AF_XDP
- Wangxun:
- support for PTP clock and timestamping
- Huawei (hibmcge):
- checksum offload
- add more statistics
- Ethernet virtual:
- VirtIO net:
- aggressively suppress Tx completions, improve perf by 96% with
1 CPU and 55% with 2 CPUs
- expose NAPI to IRQ mapping and persist NAPI settings
- Google (gve):
- support XDP in DQO RDA Queue Format
- opt into instance locking
- Microsoft vNIC:
- support BIG TCP
- Ethernet NICs consumer, and embedded:
- Synopsys (stmmac):
- cleanup Tx and Tx clock setting and other link-focused cleanups
- enable SGMII and 2500BASEX mode switching for Intel platforms
- support Sophgo SG2044
- Broadcom switches (b53):
- support for BCM53101
- TI:
- iep: add perout configuration support
- icssg: support XDP
- Cadence (macb):
- implement BQL
- Xilinx (axinet):
- support dynamic IRQ moderation and changing coalescing at runtime
- implement BQL
- report standard stats
- MediaTek:
- support phylink managed EEE
- Intel:
- igc: don't restart the interface on every XDP program change
- RealTek (r8169):
- support reading registers of internal PHYs directly
- increase max jumbo packet size on RTL8125/RTL8126
- Airoha:
- support for RISC-V NPU packet processing unit
- enable scatter-gather and support MTU up to 9kB
- Tehuti (tn40xx):
- support cards with TN4010 MAC and an Aquantia AQR105 PHY
- Ethernet PHYs:
- support for TJA1102S, TJA1121
- dp83tg720: add randomized polling intervals for link detection
- dp83822: support changing the transmit amplitude voltage
- support for LEDs on 88q2xxx
- CAN:
- canxl: support Remote Request Substitution bit access
- flexcan: add S32G2/S32G3 SoC
- WiFi:
- remove cooked monitor support
- strict mode for better AP testing
- basic EPCS support
- OMI RX bandwidth reduction support
- batman-adv: add support for jumbo frames
- WiFi drivers:
- RealTek (rtw88):
- support RTL8814AE and RTL8814AU
- RealTek (rtw89):
- switch using wiphy_lock and wiphy_work
- add BB context to manipulate two PHY as preparation of MLO
- improve BT-coexistence mechanism to play A2DP smoothly
- Intel (iwlwifi):
- add new iwlmld sub-driver for latest HW/FW combinations
- MediaTek (mt76):
- preparation for mt7996 Multi-Link Operation (MLO) support
- Qualcomm/Atheros (ath12k):
- continued work on MLO
- Silabs (wfx):
- Wake-on-WLAN support
- Bluetooth:
- add support for skb TX SND/COMPLETION timestamping
- hci_core: enable buffer flow control for SCO/eSCO
- coredump: log devcd dumps into the monitor
- Bluetooth drivers:
- intel: add support to configure TX power
- nxp: handle bootloader error during cmd5 and cmd7
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Continue Netlink conversions to per-namespace RTNL lock
(IPv4 routing, routing rules, routing next hops, ARP ioctls)
- Continue extending the use of netdev instance locks. As a driver
opt-in protect queue operations and (in due course) ethtool
operations with the instance lock and not RTNL lock.
- Support collecting TCP timestamps (data submitted, sent, acked) in
BPF, allowing for transparent (to the application) and lower
overhead tracking of TCP RPC performance.
- Tweak existing networking Rx zero-copy infra to support zero-copy
Rx via io_uring.
- Optimize MPTCP performance in single subflow mode by 29%.
- Enable GRO on packets which went thru XDP CPU redirect (were queued
for processing on a different CPU). Improving TCP stream
performance up to 2x.
- Improve performance of contended connect() by 200% by searching for
an available 4-tuple under RCU rather than a spin lock. Bring an
additional 229% improvement by tweaking hash distribution.
- Avoid unconditionally touching sk_tsflags on RX, improving
performance under UDP flood by as much as 10%.
- Avoid skb_clone() dance in ping_rcv() to improve performance under
ping flood.
- Avoid FIB lookup in netfilter if socket is available, 20% perf win.
- Rework network device creation (in-kernel) API to more clearly
identify network namespaces and their roles. There are up to 4
namespace roles but we used to have just 2 netns pointer arguments,
interpreted differently based on context.
- Use sysfs_break_active_protection() instead of trylock to avoid
deadlocks between unregistering objects and sysfs access.
- Add a new sysctl and sockopt for capping max retransmit timeout in
TCP.
- Support masking port and DSCP in routing rule matches.
- Support dumping IPv4 multicast addresses with RTM_GETMULTICAST.
- Support specifying at what time packet should be sent on AF_XDP
sockets.
- Expose TCP ULP diagnostic info (for TLS and MPTCP) to non-admin
users.
- Add Netlink YAML spec for WiFi (nl80211) and conntrack.
- Introduce EXPORT_IPV6_MOD() and EXPORT_IPV6_MOD_GPL() for symbols
which only need to be exported when IPv6 support is built as a
module.
- Age FDB entries based on Rx not Tx traffic in VxLAN, similar to
normal bridging.
- Allow users to specify source port range for GENEVE tunnels.
- netconsole: allow attaching kernel release, CPU ID and task name to
messages as metadata
Driver API:
- Continue rework / fixing of Energy Efficient Ethernet (EEE) across
the SW layers. Delegate the responsibilities to phylink where
possible. Improve its handling in phylib.
- Support symmetric OR-XOR RSS hashing algorithm.
- Support tracking and preserving IRQ affinity by NAPI itself.
- Support loopback mode speed selection for interface selftests.
Device drivers:
- Remove the IBM LCS driver for s390
- Remove the sb1000 cable modem driver
- Add support for SFP module access over SMBus
- Add MCTP transport driver for MCTP-over-USB
- Enable XDP metadata support in multiple drivers
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- add PCIe TLP Processing Hints (TPH) support for new AMD
platforms
- support dumping RoCE queue state for debug
- opt into instance locking
- Intel (100G, ice, idpf):
- ice: rework MSI-X IRQ management and distribution
- ice: support for E830 devices
- iavf: add support for Rx timestamping
- iavf: opt into instance locking
- nVidia/Mellanox:
- mlx4: use page pool memory allocator for Rx
- mlx5: support for one PTP device per hardware clock
- mlx5: support for 200Gbps per-lane link modes
- mlx5: move IPSec policy check after decryption
- AMD/Solarflare:
- support FW flashing via devlink
- Cisco (enic):
- use page pool memory allocator for Rx
- enable 32, 64 byte CQEs
- get max rx/tx ring size from the device
- Meta (fbnic):
- support flow steering and RSS configuration
- report queue stats
- support TCP segmentation
- support IRQ coalescing
- support ring size configuration
- Marvell/Cavium:
- support AF_XDP
- Wangxun:
- support for PTP clock and timestamping
- Huawei (hibmcge):
- checksum offload
- add more statistics
- Ethernet virtual:
- VirtIO net:
- aggressively suppress Tx completions, improve perf by 96%
with 1 CPU and 55% with 2 CPUs
- expose NAPI to IRQ mapping and persist NAPI settings
- Google (gve):
- support XDP in DQO RDA Queue Format
- opt into instance locking
- Microsoft vNIC:
- support BIG TCP
- Ethernet NICs consumer, and embedded:
- Synopsys (stmmac):
- cleanup Tx and Tx clock setting and other link-focused
cleanups
- enable SGMII and 2500BASEX mode switching for Intel platforms
- support Sophgo SG2044
- Broadcom switches (b53):
- support for BCM53101
- TI:
- iep: add perout configuration support
- icssg: support XDP
- Cadence (macb):
- implement BQL
- Xilinx (axinet):
- support dynamic IRQ moderation and changing coalescing at
runtime
- implement BQL
- report standard stats
- MediaTek:
- support phylink managed EEE
- Intel:
- igc: don't restart the interface on every XDP program change
- RealTek (r8169):
- support reading registers of internal PHYs directly
- increase max jumbo packet size on RTL8125/RTL8126
- Airoha:
- support for RISC-V NPU packet processing unit
- enable scatter-gather and support MTU up to 9kB
- Tehuti (tn40xx):
- support cards with TN4010 MAC and an Aquantia AQR105 PHY
- Ethernet PHYs:
- support for TJA1102S, TJA1121
- dp83tg720: add randomized polling intervals for link detection
- dp83822: support changing the transmit amplitude voltage
- support for LEDs on 88q2xxx
- CAN:
- canxl: support Remote Request Substitution bit access
- flexcan: add S32G2/S32G3 SoC
- WiFi:
- remove cooked monitor support
- strict mode for better AP testing
- basic EPCS support
- OMI RX bandwidth reduction support
- batman-adv: add support for jumbo frames
- WiFi drivers:
- RealTek (rtw88):
- support RTL8814AE and RTL8814AU
- RealTek (rtw89):
- switch using wiphy_lock and wiphy_work
- add BB context to manipulate two PHY as preparation of MLO
- improve BT-coexistence mechanism to play A2DP smoothly
- Intel (iwlwifi):
- add new iwlmld sub-driver for latest HW/FW combinations
- MediaTek (mt76):
- preparation for mt7996 Multi-Link Operation (MLO) support
- Qualcomm/Atheros (ath12k):
- continued work on MLO
- Silabs (wfx):
- Wake-on-WLAN support
- Bluetooth:
- add support for skb TX SND/COMPLETION timestamping
- hci_core: enable buffer flow control for SCO/eSCO
- coredump: log devcd dumps into the monitor
- Bluetooth drivers:
- intel: add support to configure TX power
- nxp: handle bootloader error during cmd5 and cmd7"
* tag 'net-next-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1681 commits)
unix: fix up for "apparmor: add fine grained af_unix mediation"
mctp: Fix incorrect tx flow invalidation condition in mctp-i2c
net: usb: asix: ax88772: Increase phy_name size
net: phy: Introduce PHY_ID_SIZE — minimum size for PHY ID string
net: libwx: fix Tx L4 checksum
net: libwx: fix Tx descriptor content for some tunnel packets
atm: Fix NULL pointer dereference
net: tn40xx: add pci-id of the aqr105-based Tehuti TN4010 cards
net: tn40xx: prepare tn40xx driver to find phy of the TN9510 card
net: tn40xx: create swnode for mdio and aqr105 phy and add to mdiobus
net: phy: aquantia: add essential functions to aqr105 driver
net: phy: aquantia: search for firmware-name in fwnode
net: phy: aquantia: add probe function to aqr105 for firmware loading
net: phy: Add swnode support to mdiobus_scan
gve: add XDP DROP and PASS support for DQ
gve: update XDP allocation path support RX buffer posting
gve: merge packet buffer size fields
gve: update GQ RX to use buf_size
gve: introduce config-based allocation for XDP
gve: remove xdp_xsk_done and xdp_xsk_wakeup statistics
...
|
||
|
Linus Torvalds
|
592329e5e9 |
Summary
* Move vm_table members out of kernel/sysctl.c
All vm_table array members have moved to their respective subsystems leading
to the removal of vm_table from kernel/sysctl.c. This increases modularity by
placing the ctl_tables closer to where they are actually used and at the same
time reducing the chances of merge conflicts in kernel/sysctl.c.
* ctl_table range fixes
Replace the proc_handler function that checks variable ranges in
coredump_sysctls and vdso_table with the one that actually uses the extra{1,2}
pointers as min/max values. This tightens the range of the values that users
can pass into the kernel effectively preventing {under,over}flows.
* Misc fixes
Correct grammar errors and typos in test messages. Update sysctl files in
MAINTAINERS. Constified and removed array size in declaration for
alignment_tbl
* Testing
- These have all been in linux-next for at least 1 month
- They have gone through 0-day
- Ran all these through sysctl selftests in x86_64
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Merge tag 'sysctl-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
Pull sysctl updates from Joel Granados:
- Move vm_table members out of kernel/sysctl.c
All vm_table array members have moved to their respective subsystems
leading to the removal of vm_table from kernel/sysctl.c. This
increases modularity by placing the ctl_tables closer to where they
are actually used and at the same time reducing the chances of merge
conflicts in kernel/sysctl.c.
- ctl_table range fixes
Replace the proc_handler function that checks variable ranges in
coredump_sysctls and vdso_table with the one that actually uses the
extra{1,2} pointers as min/max values. This tightens the range of the
values that users can pass into the kernel effectively preventing
{under,over}flows.
- Misc fixes
Correct grammar errors and typos in test messages. Update sysctl
files in MAINTAINERS. Constified and removed array size in
declaration for alignment_tbl
* tag 'sysctl-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl: (22 commits)
selftests/sysctl: fix wording of help messages
selftests: fix spelling/grammar errors in sysctl/sysctl.sh
MAINTAINERS: Update sysctl file list in MAINTAINERS
sysctl: Fix underflow value setting risk in vm_table
coredump: Fixes core_pipe_limit sysctl proc_handler
sysctl: remove unneeded include
sysctl: remove the vm_table
sh: vdso: move the sysctl to arch/sh/kernel/vsyscall/vsyscall.c
x86: vdso: move the sysctl to arch/x86/entry/vdso/vdso32-setup.c
fs: dcache: move the sysctl to fs/dcache.c
sunrpc: simplify rpcauth_cache_shrink_count()
fs: drop_caches: move sysctl to fs/drop_caches.c
fs: fs-writeback: move sysctl to fs/fs-writeback.c
mm: nommu: move sysctl to mm/nommu.c
security: min_addr: move sysctl to security/min_addr.c
mm: mmap: move sysctl to mm/mmap.c
mm: util: move sysctls to mm/util.c
mm: vmscan: move vmscan sysctls to mm/vmscan.c
mm: swap: move sysctl to mm/swap.c
mm: filemap: move sysctl to mm/filemap.c
...
|
||
|
Linus Torvalds
|
9b960d8cd6 |
for-6.15/block-20250322
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Merge tag 'for-6.15/block-20250322' of git://git.kernel.dk/linux
Pull block updates from Jens Axboe:
- Fixes for integrity handling
- NVMe pull request via Keith:
- Secure concatenation for TCP transport (Hannes)
- Multipath sysfs visibility (Nilay)
- Various cleanups (Qasim, Baruch, Wang, Chen, Mike, Damien, Li)
- Correct use of 64-bit BARs for pci-epf target (Niklas)
- Socket fix for selinux when used in containers (Peijie)
- MD pull request via Yu:
- fix recovery can preempt resync (Li Nan)
- fix md-bitmap IO limit (Su Yue)
- fix raid10 discard with REQ_NOWAIT (Xiao Ni)
- fix raid1 memory leak (Zheng Qixing)
- fix mddev uaf (Yu Kuai)
- fix raid1,raid10 IO flags (Yu Kuai)
- some refactor and cleanup (Yu Kuai)
- Series cleaning up and fixing bugs in the bad block handling code
- Improve support for write failure simulation in null_blk
- Various lock ordering fixes
- Fixes for locking for debugfs attributes
- Various ublk related fixes and improvements
- Cleanups for blk-rq-qos wait handling
- blk-throttle fixes
- Fixes for loop dio and sync handling
- Fixes and cleanups for the auto-PI code
- Block side support for hardware encryption keys in blk-crypto
- Various cleanups and fixes
* tag 'for-6.15/block-20250322' of git://git.kernel.dk/linux: (105 commits)
nvmet: replace max(a, min(b, c)) by clamp(val, lo, hi)
nvme-tcp: fix selinux denied when calling sock_sendmsg
nvmet: pci-epf: Always configure BAR0 as 64-bit
nvmet: Remove duplicate uuid_copy
nvme: zns: Simplify nvme_zone_parse_entry()
nvmet: pci-epf: Remove redundant 'flush_workqueue()' calls
nvmet-fc: Remove unused functions
nvme-pci: remove stale comment
nvme-fc: Utilise min3() to simplify queue count calculation
nvme-multipath: Add visibility for queue-depth io-policy
nvme-multipath: Add visibility for numa io-policy
nvme-multipath: Add visibility for round-robin io-policy
nvmet: add tls_concat and tls_key debugfs entries
nvmet-tcp: support secure channel concatenation
nvmet: Add 'sq' argument to alloc_ctrl_args
nvme-fabrics: reset admin connection for secure concatenation
nvme-tcp: request secure channel concatenation
nvme-keyring: add nvme_tls_psk_refresh()
nvme: add nvme_auth_derive_tls_psk()
nvme: add nvme_auth_generate_digest()
...
|
||
Pali Rohár
|
e14b642474 |
cifs: Add new mount option -o nounicode to disable SMB1 UNICODE mode
SMB1 protocol supports non-UNICODE (8-bit OEM character set) and UNICODE (UTF-16) modes. Linux SMB1 client implements both of them but currently does not allow to choose non-UNICODE mode when SMB1 server announce UNICODE mode support. This change adds a new mount option -o nounicode to disable UNICODE mode and force usage of non-UNICODE (8-bit OEM character set) mode. This allows to test non-UNICODE implementation of Linux SMB1 client against any SMB1 server, including modern and recent Windows SMB1 server. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Pali Rohár
|
be786e509c |
cifs: Set default Netbios RFC1001 server name to hostname in UNC
Windows SMB servers (including SMB2+) which are working over RFC1001 require that Netbios server name specified in RFC1001 Session Request packet is same as the UNC host name. Netbios server name can be already specified manually via -o servern= option. With this change the RFC1001 server name is set automatically by extracting the hostname from the mount source. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
Wang Zhaolong
|
4e7f1644f2 |
smb: client: Fix netns refcount imbalance causing leaks and use-after-free
Commit |
||
|
Namjae Jeon
|
eeb827f292 |
cifs: add validation check for the fields in smb_aces
cifs.ko is missing validation check when accessing smb_aces. This patch add validation check for the fields in smb_aces. Signed-off-by: Namjae Jeon <linkinjeon@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
Aman
|
1821e90be0 |
CIFS: Propagate min offload along with other parameters from primary to secondary channels.
In a multichannel setup, it was observed that a few fields were not being copied over to the secondary channels, which impacted performance in cases where these options were relevant but not properly synchronized. To address this, this patch introduces copying the following parameters from the primary channel to the secondary channels: - min_offload - compression.requested - dfs_conn - ignore_signature - leaf_fullpath - noblockcnt - retrans - sign By copying these parameters, we ensure consistency across channels and prevent performance degradation due to missing or outdated settings. Cc: stable@vger.kernel.org Signed-off-by: Aman <aman1@microsoft.com> Reviewed-by: Paulo Alcantara (Red Hat) <pc@manguebit.com> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Pali Rohár
|
b26df4f57b |
cifs: Improve establishing SMB connection with NetBIOS session
Function ip_rfc1001_connect() send NetBIOS session request but currently does not read response. It even does not wait for the response. Instead it just calls usleep_range(1000, 2000) and explain in comment that some servers require short break before sending SMB negotiate packet. Response is later handled in generic is_smb_response() function called from cifs_demultiplex_thread(). That comment probably refers to the old DOS SMB server which cannot process incoming SMB negotiate packet if it has not sent NetBIOS session response packet. Note that current sleep timeout is too small when trying to establish connection to DOS SMB server running in qemu virtual machine connected over qemu user networking with guestfwd netcat options. So that usleep_range() call is not useful at all. NetBIOS session response packet contains useful error information, like the server name specified NetBIOS session request packet is incorrect. Old Windows SMB servers and even the latest SMB server on the latest Windows Server 2022 version requires that the name is the correct server name, otherwise they return error RFC1002_NOT_PRESENT. This applies for all SMB dialects (old SMB1, and also modern SMB2 and SMB3). Therefore read the reply of NetBIOS session request and implement parsing of the reply. Log received error to dmesg to help debugging reason why connection was refused. Also convert NetBIOS error to useful errno. Note that ip_rfc1001_connect() function is used only when doing connection over port 139. So the common SMB scenario over port 445 is not affected by this change at all. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Pali Rohár
|
781802aa5a |
cifs: Fix establishing NetBIOS session for SMB2+ connection
Function ip_rfc1001_connect() which establish NetBIOS session for SMB connections, currently uses smb_send() function for sending NetBIOS Session Request packet. This function expects that the passed buffer is SMB packet and for SMB2+ connections it mangles packet header, which breaks prepared NetBIOS Session Request packet. Result is that this function send garbage packet for SMB2+ connection, which SMB2+ server cannot parse. That function is not mangling packets for SMB1 connections, so it somehow works for SMB1. Fix this problem and instead of smb_send(), use smb_send_kvec() function which does not mangle prepared packet, this function send them as is. Just API of this function takes struct msghdr (kvec) instead of packet buffer. [MS-SMB2] specification allows SMB2 protocol to use NetBIOS as a transport protocol. NetBIOS can be used over TCP via port 139. So this is a valid configuration, just not so common. And even recent Windows versions (e.g. Windows Server 2022) still supports this configuration: SMB over TCP port 139, including for modern SMB2 and SMB3 dialects. This change fixes SMB2 and SMB3 connections over TCP port 139 which requires establishing of NetBIOS session. Tested that this change fixes establishing of SMB2 and SMB3 connections with Windows Server 2022. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
||
|
Pali Rohár
|
ad9364a683 |
cifs: Fix getting DACL-only xattr system.cifs_acl and system.smb3_acl
Currently ->get_acl() callback always create request for OWNER, GROUP and DACL, even when only DACLs was requested by user. Change API callback to request only information for which the caller asked. Therefore when only DACLs requested, then SMB client will prepare and send DACL-only request. This change fixes retrieving of "system.cifs_acl" and "system.smb3_acl" xattrs to contain only DACL structure as documented. Note that setting/changing of "system.cifs_acl" and "system.smb3_acl" xattrs already takes only DACL structure and ignores all other fields. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Pali Rohár
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6c06be908c |
cifs: Check if server supports reparse points before using them
Do not attempt to query or create reparse point when server fs does not support it. This will prevent creating unusable empty object on the server. Signed-off-by: Pali Rohár <pali@kernel.org> Signed-off-by: Steve French <stfrench@microsoft.com> |
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Linus Torvalds
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a86c6d0b2a |
fscrypt updates for 6.15
A fix for an issue where CONFIG_FS_ENCRYPTION could be enabled without some of its dependencies, and a small documentation update. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCZ+CBShQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOKxj0AQC4OlE/HbIY2w3zO8Az9WEF9+4Dz9od EpxTwO/fk9PC+gD/Z7r8J3xn+ykcy9QcZW+Qucd64k+rbmvqj36gXce6hAI= =r+lX -----END PGP SIGNATURE----- Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux Pull fscrypt updates from Eric Biggers: "A fix for an issue where CONFIG_FS_ENCRYPTION could be enabled without some of its dependencies, and a small documentation update" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/linux: fscrypt: mention init_on_free instead of page poisoning fscrypt: drop obsolete recommendation to enable optimized ChaCha20 Revert "fscrypt: relax Kconfig dependencies for crypto API algorithms" |
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Linus Torvalds
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bdab2977e4 |
fsverity updates for 6.15
A fix for an issue where CONFIG_FS_VERITY could be enabled without some of its dependencies, and a small documentation update. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQSacvsUNc7UX4ntmEPzXCl4vpKOKwUCZ+CBZBQcZWJpZ2dlcnNA Z29vZ2xlLmNvbQAKCRDzXCl4vpKOK5WSAP9sihsazS5s2FwkY2ukwxuPBm448O6R w457RM/j2Dz6oQEAhQF4oKU6mWJk0dOFMoBJCEUUJinb1diYTE0BMtSbXAk= =BwSf -----END PGP SIGNATURE----- Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux Pull fsverity updates from Eric Biggers: "A fix for an issue where CONFIG_FS_VERITY could be enabled without some of its dependencies, and a small documentation update" * tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux: Revert "fsverity: relax build time dependency on CRYPTO_SHA256" Documentation: add a usecase for FS_IOC_READ_VERITY_METADATA |
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Linus Torvalds
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a50b4fe095 |
A treewide hrtimer timer cleanup
hrtimers are initialized with hrtimer_init() and a subsequent store to the callback pointer. This turned out to be suboptimal for the upcoming Rust integration and is obviously a silly implementation to begin with. This cleanup replaces the hrtimer_init(T); T->function = cb; sequence with hrtimer_setup(T, cb); The conversion was done with Coccinelle and a few manual fixups. Once the conversion has completely landed in mainline, hrtimer_init() will be removed and the hrtimer::function becomes a private member. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAmff5jQTHHRnbHhAbGlu dXRyb25peC5kZQAKCRCmGPVMDXSYoVvRD/wKtuwmiA66NJFgXC0qVq82A6fO3bY8 GBdbfysDJIbqGu5PTcULTbJ8qkqv3jeLUv6CcXvS4sZ7y/uJQl2lzf8yrD/0bbwc rLI6sHiPSZmK93kNVN4X5H7kvt7cE/DYC9nnEOgK3BY5FgKc4n9887d4aVBhL8Lv ODwVXvZ+xi351YCj7qRyPU24zt/p4tkkT1o2k4a0HBluqLI0D+V20fke9IERUL8r d1uWKlcn0TqYDesE8HXKIhbst3gx52rMJrXBJDHwFmG6v8Pj1fkTXCVpPo8QcBz8 OTVkpomN9f/Tx4+GZwhZOF86LhLL3OhxD6pT7JhFCXdmSGv+Ez8uyk1YZysM/XpV Juy/1yAcBpDIDkmhMFGdAAn48Nn9Fotty0r4je60zSEp1d/4QMXcFme29qr2JTUE iWnQ/HD6DxUjVHqy7CYvvo26Xegg1C7qgyOVt4PYZwAM1VKF5P3kzYTb4SAdxtop Tpji1sfW9QV08jqMNo6XntD32DSP9S2HqjO9LwBw700jnx2jjJ35fcJs6iodMOUn gckIZLMn3L0OoglPdyA5O7SNTbKE7aFiRKdnT/cJtR3Fa39Qu27CwC5gfiyuie9I Q+LG8GLuYSBHXAR+PBK4GWlzJ7Dn8k3eqmbnLeKpRMsU6ZzcttgA64xhaviN2wN0 iJbvLJeisXr3GA== =bYAX -----END PGP SIGNATURE----- Merge tag 'timers-cleanups-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer cleanups from Thomas Gleixner: "A treewide hrtimer timer cleanup hrtimers are initialized with hrtimer_init() and a subsequent store to the callback pointer. This turned out to be suboptimal for the upcoming Rust integration and is obviously a silly implementation to begin with. This cleanup replaces the hrtimer_init(T); T->function = cb; sequence with hrtimer_setup(T, cb); The conversion was done with Coccinelle and a few manual fixups. Once the conversion has completely landed in mainline, hrtimer_init() will be removed and the hrtimer::function becomes a private member" * tag 'timers-cleanups-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (100 commits) wifi: rt2x00: Switch to use hrtimer_update_function() io_uring: Use helper function hrtimer_update_function() serial: xilinx_uartps: Use helper function hrtimer_update_function() ASoC: fsl: imx-pcm-fiq: Switch to use hrtimer_setup() RDMA: Switch to use hrtimer_setup() virtio: mem: Switch to use hrtimer_setup() drm/vmwgfx: Switch to use hrtimer_setup() drm/xe/oa: Switch to use hrtimer_setup() drm/vkms: Switch to use hrtimer_setup() drm/msm: Switch to use hrtimer_setup() drm/i915/request: Switch to use hrtimer_setup() drm/i915/uncore: Switch to use hrtimer_setup() drm/i915/pmu: Switch to use hrtimer_setup() drm/i915/perf: Switch to use hrtimer_setup() drm/i915/gvt: Switch to use hrtimer_setup() drm/i915/huc: Switch to use hrtimer_setup() drm/amdgpu: Switch to use hrtimer_setup() stm class: heartbeat: Switch to use hrtimer_setup() i2c: Switch to use hrtimer_setup() iio: Switch to use hrtimer_setup() ... |
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Linus Torvalds
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d5048d1176 |
Updates for the core time/timer subsystem:
- Fix a memory ordering issue in posix-timers
Posix-timer lookup is lockless and reevaluates the timer validity under
the timer lock, but the update which validates the timer is not
protected by the timer lock. That allows the store to be reordered
against the initialization stores, so that the lookup side can observe
a partially initialized timer. That's mostly a theoretical problem, but
incorrect nevertheless.
- Fix a long standing inconsistency of the coarse time getters
The coarse time getters read the base time of the current update cycle
without reading the actual hardware clock. NTP frequency adjustment can
set the base time backwards. The fine grained interfaces compensate
this by reading the clock and applying the new conversion factor, but
the coarse grained time getters use the base time directly. That allows
the user to observe time going backwards.
Cure it by always forwarding base time, when NTP changes the frequency
with an immediate step.
- Rework of posix-timer hashing
The posix-timer hash is not scalable and due to the CRIU timer restore
mechanism prone to massive contention on the global hash bucket lock.
Replace the global hash lock with a fine grained per bucket locking
scheme to address that.
- Rework the proc/$PID/timers interface.
/proc/$PID/timers is provided for CRIU to be able to restore a
timer. The printout happens with sighand lock held and interrupts
disabled. That's not required as this can be done with RCU protection
as well.
- Provide a sane mechanism for CRIU to restore a timer ID
CRIU restores timers by creating and deleting them until the kernel
internal per process ID counter reached the requested ID. That's
horribly slow for sparse timer IDs.
Provide a prctl() which allows CRIU to restore a timer with a given
ID. When enabled the ID pointer is used as input pointer to read the
requested ID from user space. When disabled, the normal allocation
scheme (next ID) is active as before. This is backwards compatible for
both kernel and user space.
- Make hrtimer_update_function() less expensive.
The sanity checks are valuable, but expensive for high frequency usage
in io/uring. Make the debug checks conditional and enable them only
when lockdep is enabled.
- Small updates, cleanups and improvements
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Merge tag 'timers-core-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer core updates from Thomas Gleixner:
- Fix a memory ordering issue in posix-timers
Posix-timer lookup is lockless and reevaluates the timer validity
under the timer lock, but the update which validates the timer is not
protected by the timer lock. That allows the store to be reordered
against the initialization stores, so that the lookup side can
observe a partially initialized timer. That's mostly a theoretical
problem, but incorrect nevertheless.
- Fix a long standing inconsistency of the coarse time getters
The coarse time getters read the base time of the current update
cycle without reading the actual hardware clock. NTP frequency
adjustment can set the base time backwards. The fine grained
interfaces compensate this by reading the clock and applying the new
conversion factor, but the coarse grained time getters use the base
time directly. That allows the user to observe time going backwards.
Cure it by always forwarding base time, when NTP changes the
frequency with an immediate step.
- Rework of posix-timer hashing
The posix-timer hash is not scalable and due to the CRIU timer
restore mechanism prone to massive contention on the global hash
bucket lock.
Replace the global hash lock with a fine grained per bucket locking
scheme to address that.
- Rework the proc/$PID/timers interface.
/proc/$PID/timers is provided for CRIU to be able to restore a timer.
The printout happens with sighand lock held and interrupts disabled.
That's not required as this can be done with RCU protection as well.
- Provide a sane mechanism for CRIU to restore a timer ID
CRIU restores timers by creating and deleting them until the kernel
internal per process ID counter reached the requested ID. That's
horribly slow for sparse timer IDs.
Provide a prctl() which allows CRIU to restore a timer with a given
ID. When enabled the ID pointer is used as input pointer to read the
requested ID from user space. When disabled, the normal allocation
scheme (next ID) is active as before. This is backwards compatible
for both kernel and user space.
- Make hrtimer_update_function() less expensive.
The sanity checks are valuable, but expensive for high frequency
usage in io/uring. Make the debug checks conditional and enable them
only when lockdep is enabled.
- Small updates, cleanups and improvements
* tag 'timers-core-2025-03-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
selftests/timers: Improve skew_consistency by testing with other clockids
timekeeping: Fix possible inconsistencies in _COARSE clockids
posix-timers: Drop redundant memset() invocation
selftests/timers/posix-timers: Add a test for exact allocation mode
posix-timers: Provide a mechanism to allocate a given timer ID
posix-timers: Dont iterate /proc/$PID/timers with sighand:: Siglock held
posix-timers: Make per process list RCU safe
posix-timers: Avoid false cacheline sharing
posix-timers: Switch to jhash32()
posix-timers: Improve hash table performance
posix-timers: Make signal_struct:: Next_posix_timer_id an atomic_t
posix-timers: Make lock_timer() use guard()
posix-timers: Rework timer removal
posix-timers: Simplify lock/unlock_timer()
posix-timers: Use guards in a few places
posix-timers: Remove SLAB_PANIC from kmem cache
posix-timers: Remove a few paranoid warnings
posix-timers: Cleanup includes
posix-timers: Add cond_resched() to posix_timer_add() search loop
posix-timers: Initialise timer before adding it to the hash table
...
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Linus Torvalds
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32b22538be |
Scheduler updates for v6.15:
[ Merge note, these two commits are identical:
-
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Linus Torvalds
|
95c61e1a9c |
pstore update for v6.15-rc1
- pstore: Change kmsg_bytes storage size to u32 -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRSPkdeREjth1dHnSE2KwveOeQkuwUCZ9hIcAAKCRA2KwveOeQk uwIMAQCspwdOjadMt8vM/sPq/mmp7SX69pgvCb9Io7CIXNvIfgD7BIJ2MDk7B+3b begomelDjfHXZ0/afkvfTH9MPABD1gE= =cnG8 -----END PGP SIGNATURE----- Merge tag 'pstore-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull tiny pstore update from Kees Cook: - pstore: Change kmsg_bytes storage size to u32 * tag 'pstore-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore: Change kmsg_bytes storage size to u32 |
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Linus Torvalds
|
06961fbbbd |
move-lib-kunit for v6.15-rc1
- move lib/ selftests into lib/tests/ (Kees Cook, Gabriela Bittencourt,
Luis Felipe Hernandez, Lukas Bulwahn, Tamir Duberstein)
- lib/math: Add int_log test suite (Bruno Sobreira França)
- lib/math: Add Kunit test suite for gcd() (Yu-Chun Lin)
- lib/tests/kfifo_kunit.c: add tests for the kfifo structure (Diego Vieira)
- unicode: refactor selftests into KUnit (Gabriela Bittencourt)
- lib/prime_numbers: convert self-test to KUnit (Tamir Duberstein)
- printf: convert self-test to KUnit (Tamir Duberstein)
- scanf: convert self-test to KUnit (Tamir Duberstein)
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Merge tag 'move-lib-kunit-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull lib kunit selftest move from Kees Cook:
"This is a one-off tree to coordinate the move of selftests out of lib/
and into lib/tests/. A separate tree was used for this to keep the
paths sane with all the work in the same place.
- move lib/ selftests into lib/tests/ (Kees Cook, Gabriela
Bittencourt, Luis Felipe Hernandez, Lukas Bulwahn, Tamir
Duberstein)
- lib/math: Add int_log test suite (Bruno Sobreira França)
- lib/math: Add Kunit test suite for gcd() (Yu-Chun Lin)
- lib/tests/kfifo_kunit.c: add tests for the kfifo structure (Diego
Vieira)
- unicode: refactor selftests into KUnit (Gabriela Bittencourt)
- lib/prime_numbers: convert self-test to KUnit (Tamir Duberstein)
- printf: convert self-test to KUnit (Tamir Duberstein)
- scanf: convert self-test to KUnit (Tamir Duberstein)"
* tag 'move-lib-kunit-v6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: (21 commits)
scanf: break kunit into test cases
scanf: convert self-test to KUnit
scanf: remove redundant debug logs
scanf: implicate test line in failure messages
printf: implicate test line in failure messages
printf: break kunit into test cases
printf: convert self-test to KUnit
kunit/fortify: Replace "volatile" with OPTIMIZER_HIDE_VAR()
kunit/fortify: Expand testing of __compiletime_strlen()
kunit/stackinit: Use fill byte different from Clang i386 pattern
kunit/overflow: Fix DEFINE_FLEX tests for counted_by
selftests: remove reference to prime_numbers.sh
MAINTAINERS: adjust entries in FORTIFY_SOURCE and KERNEL HARDENING
lib/prime_numbers: convert self-test to KUnit
lib/math: Add Kunit test suite for gcd()
unicode: kunit: change tests filename and path
unicode: kunit: refactor selftest to kunit tests
lib/tests/kfifo_kunit.c: add tests for the kfifo structure
lib: Move KUnit tests into tests/ subdirectory
lib/math: Add int_log test suite
...
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