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1,464,522 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Takashi Iwai
|
28abd224db |
ALSA: caiaq: Handle probe errors properly
The probe procedure of setup_card() in caiaq driver doesn't treat the
error cases gracefully, e.g. the error from snd_card_register() calls
snd_card_free() but continues. This would lead to a UAF for the
further calls like snd_usb_caiaq_control_init(), as Berk suggested in
another patch in the link below.
However, the problem is not only that; in general, this function drops
the all error handlings (as it's a void function) although its caller
can propagate an error to snd_probe(), which eventually calls
snd_card_free() as a proper error path. That said, we should treat
each error case in setup_card(), and just return the error code
promptly, which is then handled later as a fatal error in snd_probe().
This patch achieves it by changing the setup_card() to return an error
code. Also, the superfluous snd_card_free() call is removed, too.
Note that card->private_free can be set still safely at returning an
error. All called functions in card_free() have checks of the
unassigned resources or NULL checks.
Fixes:
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Tvrtko Ursulin
|
e94b9f0154 |
dma-fence: Fix potential tracepoint null pointer dereferences
Trace_dma_fence_signaled, trace_dma_fence_wait_end and
trace_dma_fence_destroy can all currently dereference a null fence->ops
pointer after it has been reset on fence signalling.
Lets use the safe string getters for most tracepoints to avoid this class
of a problem, while for the signal tracepoint we move it to before ops are
cleared to avoid losing the driver and timeline name information. Apart
from moving it we also need to add a new tracepoint class to bypass the
safe name getters since the signaled bit is already set.
For dma_fence_init we also need to use the new tracepoint class since the
rcu read lock is not held there, and we can do the same for the enable
signaling since there we are certain the fence cannot be signaled while
we are holding the lock and have even validated the fence->ops.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes:
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Tvrtko Ursulin
|
7daff375fa |
dma-fence: Silence sparse warning in dma_fence_describe
Sparse complains about assigning a string to a __rcu annotated local
variable:
drivers/dma-buf/dma-fence.c:1040:38: warning: incorrect type in initializer (different address spaces)
drivers/dma-buf/dma-fence.c:1040:38: expected char const [noderef] __rcu *timeline
drivers/dma-buf/dma-fence.c:1040:38: got char *
drivers/dma-buf/dma-fence.c:1041:36: warning: incorrect type in initializer (different address spaces)
drivers/dma-buf/dma-fence.c:1041:36: expected char const [noderef] __rcu *driver
drivers/dma-buf/dma-fence.c:1041:36: got char *
It is harmless but lets silence it.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes:
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Jani Nikula
|
2c683e9b41 |
drm/i915/display: change pipe allocation order for discrete platforms
When big joiner is enabled, it reserves the adjacent pipe as the secondary pipe. This happens without the user space knowing, and subsequent attempts at using the CRTC with that pipe will fail. If the user space does not have a coping mechanism, i.e. trying another CRTC, this leads to a black screen. Try to reduce the impact of the problem on discrete platforms by mapping the CRTCs to pipes in order A, C, B, and D. If the user space reserves CRTCs in order, this should trick it to using pipes that are more likely to be available for and after joining. Limit this to discrete platforms, which have four pipes, and no eDP, a combination that should benefit the most with least drawbacks. Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260413081609.969342-1-jani.nikula@intel.com Signed-off-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
|
53978256a8 |
drm/i915: Reject BIOS FB rotation in common code
Reject 90/270 degree rotated BIOS framebuffers in common code. Currently skl_get_initial_plane_config() already rejects these, but we may want to implement the missing parts there so that skl_get_initial_plane_config() could be reused for general plane state verification purposes. 90/270 degree rotated framebuffers require two completely separate GGTT mappings (0 degree for the CPU, 270 degree for the display engine), and the rest of the BIOS FB takeover code is not prepared for that. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-11-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
|
9af46eb338 |
drm/i915: Completely reject DPT BIOS FBs.
Our BIOS FB handling can't deal with DPT, and instead everything just assumes a direct GGTT mapping. Reject any BIOS FB using DPT. Most likely this should never happen anyway. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-10-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
|
a05eda6f64 |
drm/i915: Reject X/Y tiled BIOS FB if we don't have fenced regions
The CPU always needs linear view into the BIOS FB, and for X/Y tiled
buffers that is achieved by the use of a fenced region. If the
underlying driver doesn't support fenced regions then we can't keep
the X/Y tiled BIOS FB. i915 has fenced regions, xe does not.
Probably not a big deal since I don't think we've seen tiled BIOS
FBs outside of some MacBooks. See eg. commit
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Ville Syrjälä
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c2a9f16bc9 |
drm/i915: Reject tile4 BIOS FB
There is no such thing as tile4 fenced region, so there is no way to have a linear view of the tile4 framebuffer for the CPU. Thus we should never encounter a tile4 BIOS FB, but if we somehow do, then reject it. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-8-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
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2d2c566bd1 |
drm/i915: Use a 1 second timeout for the polling vblank wait
40 msec seems like a very random number for a vblank wait timeout. Considering ~24Hz display modes are definitely a thing this seems way too low. Just bump it to a full second to match what we've been using for normal vblank waits. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-7-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
|
36f1cddea7 |
drm/i915: Move initial plane vblank wait into display code
The initial plane vblank wait operates on display registers, so it really belongs in the display code proper. Move it there. We can use intel_parent_irq_enabled() to determine if we can rely on interrupts or not. On average we should end up waiting half a frame here, so the polling interval can be fairly long. 1 ms (which actually makes poll_timeout_us() use ~250-1000 usec) seems good enough to me. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-6-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
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24104d589d |
drm/i915: Make plane_config->fb a struct drm_framebuffer*
There's no need to use the intel specific struct intel_framebuffer* type in the initial plane_config structure. Just make it a struct drm_framebuffer*. I think the fewer special types we expose in the interface (even if just pointers) the better. At least then there is no need to change the interface definition if we ever change the internal types. And I hope that the existing examples will generally encourage people to not expose more special types unless absolutely necessary. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-5-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
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85b4011bef |
drm/i915: Don't pass the whole plane_config to initial_plane_phys()
initial_plane_phys() only needs the 'base' (== ggtt virtual address) from the plane_config. Stop passing the whole plane_config and just pass the 'base'. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-4-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
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1f258c2350 |
drm/i915: Remove 'mem' and 'phy_base' from struct intel_initial_plane_config
The 'mem' and 'phy_base' members of struct intel_initial_plane_config only exist to be passed from initial_plane_phys() to its sole caller. Just return them via function arguments. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-3-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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Ville Syrjälä
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7f30fe4592 |
drm/i915: Introduce sanity to the plane_config pointer vs. array thing
The "plane_config" vs. "plane_configs" naming difference is very subtle, making it far too easy to use the wrong thing by accident. Introduce a separate type for the array, making it impossible to pass in the wrong thing. And while at it name the variable "all_plane_configs" to help the poor reader make sense of things. The .config_fini() prototype also mistakenly used the plural form despite only taking in a singular plane_config. So fix that one up as well. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patch.msgid.link/20260410150449.9699-2-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula <jani.nikula@intel.com> |
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ZhengYuan Huang
|
70b672833f |
ocfs2: validate group add input before caching
[BUG]
OCFS2_IOC_GROUP_ADD can trigger a BUG_ON in
ocfs2_set_new_buffer_uptodate():
kernel BUG at fs/ocfs2/uptodate.c:509!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
RIP: 0010:ocfs2_set_new_buffer_uptodate+0x194/0x1e0 fs/ocfs2/uptodate.c:509
Code: ffffe88f 42b9fe4c 89e64889 dfe8b4df
Call Trace:
ocfs2_group_add+0x3f1/0x1510 fs/ocfs2/resize.c:507
ocfs2_ioctl+0x309/0x6e0 fs/ocfs2/ioctl.c:887
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x197/0x1e0 fs/ioctl.c:583
x64_sys_call+0x1144/0x26a0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x93/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7bbfb55a966d
[CAUSE]
ocfs2_group_add() calls ocfs2_set_new_buffer_uptodate() on a
user-controlled group block before ocfs2_verify_group_and_input()
validates that block number. That helper is only valid for newly
allocated metadata and asserts that the block is not already present in
the chosen metadata cache. The code also uses INODE_CACHE(inode) even
though the group descriptor belongs to main_bm_inode and later journal
accesses use that cache context instead.
[FIX]
Validate the on-disk group descriptor before caching it, then add it to
the metadata cache tracked by INODE_CACHE(main_bm_inode). Keep the
validation failure path separate from the later cleanup path so we only
remove the buffer from that cache after it has actually been inserted.
This keeps the group buffer lifetime consistent across validation,
journaling, and cleanup.
Link: https://lkml.kernel.org/r/20260410020209.3786348-1-gality369@gmail.com
Fixes:
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|
ZhengYuan Huang
|
8f687eeed3 |
ocfs2: validate bg_bits during freefrag scan
[BUG]
A crafted filesystem can trigger an out-of-bounds bitmap walk when
OCFS2_IOC_INFO is issued with OCFS2_INFO_FL_NON_COHERENT.
BUG: KASAN: use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline]
BUG: KASAN: use-after-free in _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
BUG: KASAN: use-after-free in test_bit_le include/asm-generic/bitops/le.h:21 [inline]
BUG: KASAN: use-after-free in ocfs2_info_freefrag_scan_chain fs/ocfs2/ioctl.c:495 [inline]
BUG: KASAN: use-after-free in ocfs2_info_freefrag_scan_bitmap fs/ocfs2/ioctl.c:588 [inline]
BUG: KASAN: use-after-free in ocfs2_info_handle_freefrag fs/ocfs2/ioctl.c:662 [inline]
BUG: KASAN: use-after-free in ocfs2_info_handle_request+0x1c66/0x3370 fs/ocfs2/ioctl.c:754
Read of size 8 at addr ffff888031bce000 by task syz.0.636/1435
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0xbe/0x130 lib/dump_stack.c:120
print_address_description mm/kasan/report.c:378 [inline]
print_report+0xd1/0x650 mm/kasan/report.c:482
kasan_report+0xfb/0x140 mm/kasan/report.c:595
check_region_inline mm/kasan/generic.c:186 [inline]
kasan_check_range+0x11c/0x200 mm/kasan/generic.c:200
__kasan_check_read+0x11/0x20 mm/kasan/shadow.c:31
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
test_bit_le include/asm-generic/bitops/le.h:21 [inline]
ocfs2_info_freefrag_scan_chain fs/ocfs2/ioctl.c:495 [inline]
ocfs2_info_freefrag_scan_bitmap fs/ocfs2/ioctl.c:588 [inline]
ocfs2_info_handle_freefrag fs/ocfs2/ioctl.c:662 [inline]
ocfs2_info_handle_request+0x1c66/0x3370 fs/ocfs2/ioctl.c:754
ocfs2_info_handle+0x18d/0x2a0 fs/ocfs2/ioctl.c:828
ocfs2_ioctl+0x632/0x6e0 fs/ocfs2/ioctl.c:913
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x197/0x1e0 fs/ioctl.c:583
...
[CAUSE]
ocfs2_info_freefrag_scan_chain() uses on-disk bg_bits directly as the
bitmap scan limit. The coherent path reads group descriptors through
ocfs2_read_group_descriptor(), which validates the descriptor before
use. The non-coherent path uses ocfs2_read_blocks_sync() instead and
skips that validation, so an impossible bg_bits value can drive the
bitmap walk past the end of the block.
[FIX]
Compute the bitmap capacity from the filesystem format with
ocfs2_group_bitmap_size(), report descriptors whose bg_bits exceeds
that limit, and clamp the scan to the computed capacity. This keeps the
freefrag report going while avoiding reads beyond the buffer.
Link: https://lkml.kernel.org/r/20260410034220.3825769-1-gality369@gmail.com
Fixes:
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ZhengYuan Huang
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d12f558e62 |
ocfs2: fix listxattr handling when the buffer is full
[BUG] If an OCFS2 inode has both inline and block-based xattrs, listxattr() can return a size larger than the caller's buffer when the inline names consume that buffer exactly. kernel BUG at mm/usercopy.c:102! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI RIP: 0010:usercopy_abort+0xb7/0xd0 mm/usercopy.c:102 Call Trace: __check_heap_object+0xe3/0x120 mm/slub.c:8243 check_heap_object mm/usercopy.c:196 [inline] __check_object_size mm/usercopy.c:250 [inline] __check_object_size+0x5c5/0x780 mm/usercopy.c:215 check_object_size include/linux/ucopysize.h:22 [inline] check_copy_size include/linux/ucopysize.h:59 [inline] copy_to_user include/linux/uaccess.h:219 [inline] listxattr+0xb0/0x170 fs/xattr.c:926 filename_listxattr fs/xattr.c:958 [inline] path_listxattrat+0x137/0x320 fs/xattr.c:988 __do_sys_listxattr fs/xattr.c:1001 [inline] __se_sys_listxattr fs/xattr.c:998 [inline] __x64_sys_listxattr+0x7f/0xd0 fs/xattr.c:998 ... [CAUSE] Commit |
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Randy Dunlap
|
5cc6421aaa |
doc: watchdog: fix typos etc
Correct typos in lockup-watchdogs.rst. Link: https://lkml.kernel.org/r/20260408213523.2707947-1-rdunlap@infradead.org Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Björn Persson <Bjorn@xn--rombobjrn-67a.se> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Sean Anderson
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fb9907939b |
update Sean's email address
Soon I will no longer be working at SECO. Update the mailmap to redirect to my linux.dev address which I still have access to. Link: https://lkml.kernel.org/r/20260407164722.211610-1-sean.anderson@linux.dev Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com> Cc: Sean Anderson <sean.anderson@seco.com> Cc: Conor Dooley <conor+dt@kernel.org> Cc: Daniel Lezcano <daniel.lezcano@kernel.org> Cc: Rob Herring <robh@kernel.org> Cc: Thomas Gleixner <tglx@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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David Carlier
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6c9340a2ff |
ocfs2: use get_random_u32() where appropriate
Use the typed random integer helpers instead of get_random_bytes() when filling a single integer variable. The helpers return the value directly, require no pointer or size argument, and better express intent. Link: https://lkml.kernel.org/r/20260405154720.4732-1-devnexen@gmail.com Signed-off-by: David Carlier <devnexen@gmail.com Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Cc: Heming Zhao <heming.zhao@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Heming Zhao
|
d647c5b2fb |
ocfs2: split transactions in dio completion to avoid credit exhaustion
During ocfs2 dio operations, JBD2 may report warnings via following
call trace:
ocfs2_dio_end_io_write
ocfs2_mark_extent_written
ocfs2_change_extent_flag
ocfs2_split_extent
ocfs2_try_to_merge_extent
ocfs2_extend_rotate_transaction
ocfs2_extend_trans
jbd2__journal_restart
start_this_handle
output: JBD2: kworker/6:2 wants too many credits credits:5450 rsv_credits:0 max:5449
To prevent exceeding the credits limit, modify ocfs2_dio_end_io_write() to
handle extents in a batch of transaction.
Additionally, relocate ocfs2_del_inode_from_orphan(). The orphan inode
should only be removed from the orphan list after the extent tree update
is complete. This ensures that if a crash occurs in the middle of extent
tree updates, we won't leave stale blocks beyond EOF.
This patch also changes the logic for updating the inode size and removing
orphan, making it similar to ext4_dio_write_end_io(). Both operations are
performed only when everything looks good.
Finally, thanks to Jans and Joseph for providing the bug fix prototype and
suggestions.
Link: https://lkml.kernel.org/r/20260402134328.27334-2-heming.zhao@suse.com
Signed-off-by: Heming Zhao <heming.zhao@suse.com>
Suggested-by: Jan Kara <jack@suse.cz>
Suggested-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Joseph Qi
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510a750287 |
ocfs2: remove redundant l_next_free_rec check in __ocfs2_find_path()
The l_next_free_rec > l_count check after ocfs2_read_extent_block() in __ocfs2_find_path() is now redundant, as ocfs2_validate_extent_block() already performs this validation at block read time. Remove the duplicate check to avoid maintaining the same validation in two places. Link: https://lkml.kernel.org/r/20260403090803.3860971-5-joseph.qi@linux.alibaba.com Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com> Reviewed-by: Heming Zhao <heming.zhao@suse.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Joel Becker <jlbec@evilplan.org> Cc: Jun Piao <piaojun@huawei.com> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Mark Fasheh <mark@fasheh.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Joseph Qi
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af5e456c0b |
ocfs2: validate extent block list fields during block read
Add extent list validation to ocfs2_validate_extent_block() so that
corrupted on-disk fields are caught early at block read time rather than
during extent tree traversal.
Two checks are added:
- l_count must equal the expected value from
ocfs2_extent_recs_per_eb(), catching blocks with a corrupted record
count before any array iteration.
- l_next_free_rec must not exceed l_count, preventing out-of-bounds
access when iterating over extent records.
Link: https://lkml.kernel.org/r/20260403090803.3860971-4-joseph.qi@linux.alibaba.com
Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Heming Zhao <heming.zhao@suse.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mark@fasheh.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Joseph Qi
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4ae9cca37e |
ocfs2: remove empty extent list check in ocfs2_dx_dir_lookup_rec()
The full extent list check is introduced by commit
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Joseph Qi
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775c17386a |
ocfs2: validate dx_root extent list fields during block read
Patch series "ocfs2: consolidate extent list validation into block read callbacks". ocfs2 validates extent list fields (l_count, l_next_free_rec) at various points during extent tree traversal. This is fragile because each caller must remember to check for corrupted on-disk data before using it. This series moves those checks into the block read validation callbacks (ocfs2_validate_dx_root and ocfs2_validate_extent_block), so corrupted fields are caught early at block read time. Redundant post-read checks are then removed. This patch (of 4): Move the extent list l_count validation from ocfs2_dx_dir_lookup_rec() into ocfs2_validate_dx_root(), so that corrupted on-disk fields are caught early at block read time rather than during directory lookups. Additionally, add a l_next_free_rec <= l_count check to prevent out-of-bounds access when iterating over extent records. Both checks are skipped for inline dx roots (OCFS2_DX_FLAG_INLINE), which use dr_entries instead of dr_list. Link: https://lkml.kernel.org/r/20260403090803.3860971-1-joseph.qi@linux.alibaba.com Link: https://lkml.kernel.org/r/20260403090803.3860971-2-joseph.qi@linux.alibaba.com Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com> Reviewed-by: Heming Zhao <heming.zhao@suse.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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Tejas Bharambe
|
7de554cabf |
ocfs2: fix use-after-free in ocfs2_fault() when VM_FAULT_RETRY
filemap_fault() may drop the mmap_lock before returning VM_FAULT_RETRY,
as documented in mm/filemap.c:
"If our return value has VM_FAULT_RETRY set, it's because the mmap_lock
may be dropped before doing I/O or by lock_folio_maybe_drop_mmap()."
When this happens, a concurrent munmap() can call remove_vma() and free
the vm_area_struct via RCU. The saved 'vma' pointer in ocfs2_fault() then
becomes a dangling pointer, and the subsequent trace_ocfs2_fault() call
dereferences it -- a use-after-free.
Fix this by saving ip_blkno as a plain integer before calling
filemap_fault(), and removing vma from the trace event. Since
ip_blkno is copied by value before the lock can be dropped, it
remains valid regardless of what happens to the vma or inode
afterward.
Link: https://lkml.kernel.org/r/20260410083816.34951-1-tejas.bharambe@outlook.com
Fixes:
|
||
|
ZhengYuan Huang
|
4a1c0ddc6e |
ocfs2: handle invalid dinode in ocfs2_group_extend
[BUG]
kernel BUG at fs/ocfs2/resize.c:308!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
RIP: 0010:ocfs2_group_extend+0x10aa/0x1ae0 fs/ocfs2/resize.c:308
Code: 8b8520ff ffff83f8 860f8580 030000e8 5cc3c1fe
Call Trace:
...
ocfs2_ioctl+0x175/0x6e0 fs/ocfs2/ioctl.c:869
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl fs/ioctl.c:583 [inline]
__x64_sys_ioctl+0x197/0x1e0 fs/ioctl.c:583
x64_sys_call+0x1144/0x26a0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x93/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x76/0x7e
...
[CAUSE]
ocfs2_group_extend() assumes that the global bitmap inode block
returned from ocfs2_inode_lock() has already been validated and
BUG_ONs when the signature is not a dinode. That assumption is too
strong for crafted filesystems because the JBD2-managed buffer path
can bypass structural validation and return an invalid dinode to the
resize ioctl.
[FIX]
Validate the dinode explicitly in ocfs2_group_extend(). If the global
bitmap buffer does not contain a valid dinode, report filesystem
corruption with ocfs2_error() and fail the resize operation instead of
crashing the kernel.
Link: https://lkml.kernel.org/r/20260401092303.3709187-1-gality369@gmail.com
Fixes:
|
||
Askar Safin
|
496649d23d |
.get_maintainer.ignore: add Askar
I don't want get_maintainer.pl to automatically print my email. Link: https://lkml.kernel.org/r/20260401074619.988459-1-safinaskar@gmail.com Signed-off-by: Askar Safin <safinaskar@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
ZhengYuan Huang
|
6110d18e20 |
ocfs2: validate bg_list extent bounds in discontig groups
[BUG]
Running ocfs2 on a corrupted image with a discontiguous block
group whose bg_list.l_next_free_rec is set to an excessively
large value triggers a KASAN use-after-free crash:
BUG: KASAN: use-after-free in ocfs2_bg_discontig_fix_by_rec fs/ocfs2/suballoc.c:1678 [inline]
BUG: KASAN: use-after-free in ocfs2_bg_discontig_fix_result+0x4a4/0x560 fs/ocfs2/suballoc.c:1715
Read of size 4 at addr ffff88801a85f000 by task syz.0.115/552
Call Trace:
...
__asan_report_load4_noabort+0x14/0x30 mm/kasan/report_generic.c:380
ocfs2_bg_discontig_fix_by_rec fs/ocfs2/suballoc.c:1678 [inline]
ocfs2_bg_discontig_fix_result+0x4a4/0x560 fs/ocfs2/suballoc.c:1715
ocfs2_search_one_group fs/ocfs2/suballoc.c:1752 [inline]
ocfs2_claim_suballoc_bits+0x13c3/0x1cd0 fs/ocfs2/suballoc.c:1984
ocfs2_claim_new_inode+0x2e7/0x8a0 fs/ocfs2/suballoc.c:2292
ocfs2_mknod_locked.constprop.0+0x121/0x2a0 fs/ocfs2/namei.c:637
ocfs2_mknod+0xc71/0x2400 fs/ocfs2/namei.c:384
ocfs2_create+0x158/0x390 fs/ocfs2/namei.c:676
lookup_open.isra.0+0x10a1/0x1460 fs/namei.c:3796
open_last_lookups fs/namei.c:3895 [inline]
path_openat+0x11fe/0x2ce0 fs/namei.c:4131
do_filp_open+0x1f6/0x430 fs/namei.c:4161
do_sys_openat2+0x117/0x1c0 fs/open.c:1437
do_sys_open fs/open.c:1452 [inline]
__do_sys_openat fs/open.c:1468 [inline]
...
[CAUSE]
ocfs2_bg_discontig_fix_result() iterates over bg->bg_list.l_recs[]
using l_next_free_rec as the upper bound without any sanity check:
for (i = 0; i < le16_to_cpu(bg->bg_list.l_next_free_rec); i++) {
rec = &bg->bg_list.l_recs[i];
l_next_free_rec is read directly from the on-disk group descriptor and
is trusted blindly. On a 4 KiB block device, bg_list.l_recs[] can hold
at most 235 entries (ocfs2_extent_recs_per_gd(sb)). A corrupted or
crafted filesystem image can set l_next_free_rec to an arbitrarily
large value, causing the loop to index past the end of the group
descriptor buffer_head data page and into an adjacent freed page.
[FIX]
Validate discontiguous bg_list.l_count against
ocfs2_extent_recs_per_gd(sb), then reject l_next_free_rec values that
exceed l_count. This keeps the on-disk extent list self-consistent and
matches how the rest of ocfs2 uses l_count as the extent-list bound.
Link: https://lkml.kernel.org/r/20260401021622.3560952-1-gality369@gmail.com
Signed-off-by: ZhengYuan Huang <gality369@gmail.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Jun Piao <piaojun@huawei.com>
Cc: Heming Zhao <heming.zhao@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
|
||
Taylor Nelms
|
f758440d3d |
checkpatch: exclude forward declarations of const structs
Limit checkpatch warnings for normally-const structs by excluding patterns consistent with forward declarations. For example, the forward declaration `struct regmap_access_table;` in a header file currently generates a warning recommending that it is generally declared as const; however, this would apply a useless type qualifier in the empty declaration `const struct regmap_access_table;`, and subsequently generate compiler warnings. Link: https://lkml.kernel.org/r/20260331181509.1258693-1-tknelms@google.com Signed-off-by: Taylor Nelms <tknelms@google.com> Acked-by: Joe Perches <joe@perches.com> Cc: Andy Whitcroft <apw@canonical.com> Cc: Dwaipayan Ray <dwaipayanray1@gmail.com> Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Yiyang Chen
|
cc82b3dcc6 |
tools/accounting: handle truncated taskstats netlink messages
procacct and getdelays use a fixed receive buffer for taskstats generic netlink messages. A multi-threaded process exit can emit a single PID+TGID notification large enough to exceed that buffer on newer kernels. Switch to recvmsg() so MSG_TRUNC is detected explicitly, increase the message buffer size, and report truncated datagrams clearly instead of misparsing them as fatal netlink errors. Also print the taskstats version in debug output to make version mismatches easier to diagnose while inspecting taskstats traffic. Link: https://lkml.kernel.org/r/520308bb4cbbaf8dc2c7296b5f60f11e12fb30a5.1774810498.git.cyyzero16@gmail.com Signed-off-by: Yiyang Chen <cyyzero16@gmail.com> Cc: Balbir Singh <bsingharora@gmail.com> Cc: Dr. Thomas Orgis <thomas.orgis@uni-hamburg.de> Cc: Fan Yu <fan.yu9@zte.com.cn> Cc: Wang Yaxin <wang.yaxin@zte.com.cn> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Yiyang Chen
|
16c4f0211a |
taskstats: set version in TGID exit notifications
delay accounting started populating taskstats records with a valid version field via fill_pid() and fill_tgid(). Later, commit |
||
Yufan Chen
|
5686459423 |
ocfs2/heartbeat: fix slot mapping rollback leaks on error paths
o2hb_map_slot_data() allocates hr_tmp_block, hr_slots, hr_slot_data, and pages in stages. If a later allocation fails, the current code returns without unwinding the earlier allocations. o2hb_region_dev_store() also leaves slot mapping resources behind when setup aborts, and it keeps hr_aborted_start/hr_node_deleted set across retries. That leaves stale state behind after a failed start. Factor the slot cleanup into o2hb_unmap_slot_data(), use it from both o2hb_map_slot_data() and o2hb_region_release(), and call it from the dev_store() rollback after stopping a started heartbeat thread. While freeing pages, clear each hr_slot_data entry as it is released, and reset the start state before each new setup attempt. This closes the slot mapping leak on allocation/setup failure paths and keeps failed setup attempts retryable. Link: https://lkml.kernel.org/r/20260330153428.19586-1-yufan.chen@linux.dev Signed-off-by: Yufan Chen <ericterminal@gmail.com> Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Cc: Heming Zhao <heming.zhao@suse.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Petr Mladek
|
8901ac9d2c |
printf: Compile the kunit test with DISABLE_BRANCH_PROFILING DISABLE_BRANCH_PROFILING
GCC < 12.1 can miscompile printf_kunit's errptr() test when branch
profiling is enabled. BUILD_BUG_ON(IS_ERR(PTR)) is a constant false
expression, but CONFIG_TRACE_BRANCH_PROFILING and
CONFIG_PROFILE_ALL_BRANCHES make the IS_ERR() path side-effectful.
GCC's IPA splitter can then outline the cold assert arm into
errptr.part.* and leave that clone with an unconditional
__compiletime_assert_*() call, causing a false build failure.
This started showing up after test_hashed() became a macro and moved its
local buffer into errptr(), which changed GCC's inlining and splitting
decisions enough to expose the compiler bug.
Workaround the problem by disabling the branch profiling for
printf_kunit.o. It is a straightforward and acceptable solution.
The workaround can be removed once the minimum GCC includes commit
76fe49423047 ("Fix tree-optimization/101941: IPA splitting out
function with error attribute"), which first shipped in GCC 12.1.
Fixes:
|
||
Lukas Wunner
|
8c2f128825 |
lib/crypto: mpi: Fix integer underflow in mpi_read_raw_from_sgl()
Yiming reports an integer underflow in mpi_read_raw_from_sgl() when subtracting "lzeros" from the unsigned "nbytes". For this to happen, the scatterlist "sgl" needs to occupy more bytes than the "nbytes" parameter and the first "nbytes + 1" bytes of the scatterlist must be zero. Under these conditions, the while loop iterating over the scatterlist will count more zeroes than "nbytes", subtract the number of zeroes from "nbytes" and cause the underflow. When commit |
||
Jouni Högander
|
289678a90b |
drm/i915/psr: Init variable to avoid early exit from et alignment loop
Uninitialized boolean variable may cause unwanted exit from et alignment
loop. Fix this by initializing it as false.
Fixes:
|
||
Linus Torvalds
|
1f5ffc6721 |
Fix mismerge of the arm64 / timer-core interrupt handling changes
Commit |
||
|
Linus Torvalds
|
5c0f43e853 |
kernel-7.1-rc1.misc
Please consider pulling these changes from the signed kernel-7.1-rc1.misc tag.
Thanks!
Christian
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Merge tag 'kernel-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull pid_namespace updates from Christian Brauner:
- pid_namespace: make init creation more flexible
Annotate ->child_reaper accesses with {READ,WRITE}_ONCE() to protect
the unlocked readers from cpu/compiler reordering, and enforce that
pid 1 in a pid namespace is always the first allocated pid (the
set_tid path already required this).
On top of that, allow opening pid_for_children before the pid
namespace init has been created. This lets one process create the pid
namespace and a different process create the init via setns(), which
makes clone3(set_tid) usable in all cases evenly and is particularly
useful to CRIU when restoring nested containers.
A new selftest covers both the basic create-pidns-then-init flow and
the cross-process variant, and a MAINTAINERS entry for the pid
namespace code is added.
- unrelated signal cleanup: update outdated comment for the removed
freezable_schedule()
* tag 'kernel-7.1-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
signal: update outdated comment for removed freezable_schedule()
MAINTAINERS: add a pid namespace entry
selftests: Add tests for creating pidns init via setns
pid_namespace: allow opening pid_for_children before init was created
pid: check init is created first after idr alloc
pid_namespace: avoid optimization of accesses to ->child_reaper
|
||
|
Linus Torvalds
|
7c8a4671dc |
vfs-7.1-rc1.mount.v2
Please consider pulling these changes from the signed vfs-7.1-rc1.mount.v2 tag.
Thanks!
Christian
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Merge tag 'vfs-7.1-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs mount updates from Christian Brauner:
- Add FSMOUNT_NAMESPACE flag to fsmount() that creates a new mount
namespace with the newly created filesystem attached to a copy of the
real rootfs. This returns a namespace file descriptor instead of an
O_PATH mount fd, similar to how OPEN_TREE_NAMESPACE works for
open_tree().
This allows creating a new filesystem and immediately placing it in a
new mount namespace in a single operation, which is useful for
container runtimes and other namespace-based isolation mechanisms.
This accompanies OPEN_TREE_NAMESPACE and avoids a needless detour via
OPEN_TREE_NAMESPACE to get the same effect. Will be especially useful
when you mount an actual filesystem to be used as the container
rootfs.
- Currently, creating a new mount namespace always copies the entire
mount tree from the caller's namespace. For containers and sandboxes
that intend to build their mount table from scratch this is wasteful:
they inherit a potentially large mount tree only to immediately tear
it down.
This series adds support for creating a mount namespace that contains
only a clone of the root mount, with none of the child mounts. Two
new flags are introduced:
- CLONE_EMPTY_MNTNS (0x400000000) for clone3(), using the 64-bit flag space
- UNSHARE_EMPTY_MNTNS (0x00100000) for unshare()
Both flags imply CLONE_NEWNS. The resulting namespace contains a
single nullfs root mount with an immutable empty directory. The
intended workflow is to then mount a real filesystem (e.g., tmpfs)
over the root and build the mount table from there.
- Allow MOVE_MOUNT_BENEATH to target the caller's rootfs, allowing to
switch out the rootfs without pivot_root(2).
The traditional approach to switching the rootfs involves
pivot_root(2) or a chroot_fs_refs()-based mechanism that atomically
updates fs->root for all tasks sharing the same fs_struct. This has
consequences for fork(), unshare(CLONE_FS), and setns().
This series instead decomposes root-switching into individually
atomic, locally-scoped steps:
fd_tree = open_tree(-EBADF, "/newroot", OPEN_TREE_CLONE | OPEN_TREE_CLOEXEC);
fchdir(fd_tree);
move_mount(fd_tree, "", AT_FDCWD, "/", MOVE_MOUNT_BENEATH | MOVE_MOUNT_F_EMPTY_PATH);
chroot(".");
umount2(".", MNT_DETACH);
Since each step only modifies the caller's own state, the
fork/unshare/setns races are eliminated by design.
A key step to making this possible is to remove the locked mount
restriction. Originally MOVE_MOUNT_BENEATH doesn't support mounting
beneath a mount that is locked. The locked mount protects the
underlying mount from being revealed. This is a core mechanism of
unshare(CLONE_NEWUSER | CLONE_NEWNS). The mounts in the new mount
namespace become locked. That effectively makes the new mount table
useless as the caller cannot ever get rid of any of the mounts no
matter how useless they are.
We can lift this restriction though. We simply transfer the locked
property from the top mount to the mount beneath. This works because
what we care about is to protect the underlying mount aka the parent.
The mount mounted between the parent and the top mount takes over the
job of protecting the parent mount from the top mount mount. This
leaves us free to remove the locked property from the top mount which
can consequently be unmounted:
unshare(CLONE_NEWUSER | CLONE_NEWNS)
and we inherit a clone of procfs on /proc then currently we cannot
unmount it as:
umount -l /proc
will fail with EINVAL because the procfs mount is locked.
After this series we can now do:
mount --beneath -t tmpfs tmpfs /proc
umount -l /proc
after which a tmpfs mount has been placed beneath the procfs mount.
The tmpfs mount has become locked and the procfs mount has become
unlocked.
This means you can safely modify an inherited mount table after
unprivileged namespace creation.
Afterwards we simply make it possible to move a mount beneath the
rootfs allowing to upgrade the rootfs.
Removing the locked restriction makes this very useful for containers
created with unshare(CLONE_NEWUSER | CLONE_NEWNS) to reshuffle an
inherited mount table safely and MOVE_MOUNT_BENEATH makes it possible
to switch out the rootfs instead of using the costly pivot_root(2).
* tag 'vfs-7.1-rc1.mount.v2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
selftests/namespaces: remove unused utils.h include from listns_efault_test
selftests/fsmount_ns: add missing TARGETS and fix cap test
selftests/empty_mntns: fix wrong CLONE_EMPTY_MNTNS hex value in comment
selftests/empty_mntns: fix statmount_alloc() signature mismatch
selftests/statmount: remove duplicate wait_for_pid()
mount: always duplicate mount
selftests/filesystems: add MOVE_MOUNT_BENEATH rootfs tests
move_mount: allow MOVE_MOUNT_BENEATH on the rootfs
move_mount: transfer MNT_LOCKED
selftests/filesystems: add clone3 tests for empty mount namespaces
selftests/filesystems: add tests for empty mount namespaces
namespace: allow creating empty mount namespaces
selftests: add FSMOUNT_NAMESPACE tests
selftests/statmount: add statmount_alloc() helper
tools: update mount.h header
mount: add FSMOUNT_NAMESPACE
mount: simplify __do_loopback()
mount: start iterating from start of rbtree
|
||
|
Linus Torvalds
|
91a4855d6c |
Networking changes for 7.1.
Core & protocols
----------------
- Support HW queue leasing, allowing containers to be granted access
to HW queues for zero-copy operations and AF_XDP.
- Number of code moves to help the compiler with inlining.
Avoid output arguments for returning drop reason where possible.
- Rework drop handling within qdiscs to include more metadata
about the reason and dropping qdisc in the tracepoints.
- Remove the rtnl_lock use from IP Multicast Routing.
- Pack size information into the Rx Flow Steering table pointer
itself. This allows making the table itself a flat array of u32s,
thus making the table allocation size a power of two.
- Report TCP delayed ack timer information via socket diag.
- Add ip_local_port_step_width sysctl to allow distributing the randomly
selected ports more evenly throughout the allowed space.
- Add support for per-route tunsrc in IPv6 segment routing.
- Start work of switching sockopt handling to iov_iter.
- Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
buffer size drifting up.
- Support MSG_EOR in MPTCP.
- Add stp_mode attribute to the bridge driver for STP mode selection.
This addresses concerns about call_usermodehelper() usage.
- Remove UDP-Lite support (as announced in 2023).
- Remove support for building IPv6 as a module.
Remove the now unnecessary function calling indirection.
Cross-tree stuff
----------------
- Move Michael MIC code from generic crypto into wireless,
it's considered insecure but some WiFi networks still need it.
Netfilter
---------
- Switch nft_fib_ipv6 module to no longer need temporary dst_entry
object allocations by using fib6_lookup() + RCU.
Florian W reports this gets us ~13% higher packet rate.
- Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
switch the service tables to be per-net. Convert some code that
walks the service lists to use RCU instead of the service_mutex.
- Add more opinionated input validation to lower security exposure.
- Make IPVS hash tables to be per-netns and resizable.
Wireless
--------
- Finished assoc frame encryption/EPPKE/802.1X-over-auth.
- Radar detection improvements.
- Add 6 GHz incumbent signal detection APIs.
- Multi-link support for FILS, probe response templates and
client probing.
- New APIs and mac80211 support for NAN (Neighbor Aware Networking,
aka Wi-Fi Aware) so less work must be in firmware.
Driver API
----------
- Add numerical ID for devlink instances (to avoid having to create
fake bus/device pairs just to have an ID). Support shared devlink
instances which span multiple PFs.
- Add standard counters for reporting pause storm events
(implement in mlx5 and fbnic).
- Add configuration API for completion writeback buffering
(implement in mana).
- Support driver-initiated change of RSS context sizes.
- Support DPLL monitoring input frequency (implement in zl3073x).
- Support per-port resources in devlink (implement in mlx5).
Misc
----
- Expand the YAML spec for Netfilter.
Drivers
-------
- Software:
- macvlan: support multicast rx for bridge ports with shared source
MAC address
- team: decouple receive and transmit enablement for IEEE 802.3ad
LACP "independent control"
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- support high order pages in zero-copy mode (for payload
coalescing)
- support multiple packets in a page (for systems with 64kB pages)
- Broadcom 25-400GE (bnxt):
- implement XDP RSS hash metadata extraction
- add software fallback for UDP GSO, lowering the IOMMU cost
- Broadcom 800GE (bnge):
- add link status and configuration handling
- add various HW and SW statistics
- Marvell/Cavium:
- NPC HW block support for cn20k
- Huawei (hinic3):
- add mailbox / control queue
- add rx VLAN offload
- add driver info and link management
- Ethernet NICs:
- Marvell/Aquantia:
- support reading SFP module info on some AQC100 cards
- Realtek PCI (r8169):
- add support for RTL8125cp
- Realtek USB (r8152):
- support for the RTL8157 5Gbit chip
- add 2500baseT EEE status/configuration support
- Ethernet NICs embedded and off-the-shelf IP:
- Synopsys (stmmac):
- cleanup and reorganize SerDes handling and PCS support
- cleanup descriptor handling and per-platform data
- cleanup and consolidate MDIO defines and handling
- shrink driver memory use for internal structures
- improve Tx IRQ coalescing
- improve TCP segmentation handling
- add support for Spacemit K3
- Cadence (macb):
- support PHYs that have inband autoneg disabled with GEM
- support IEEE 802.3az EEE
- rework usrio capabilities and handling
- AMD (xgbe):
- improve power management for S0i3
- improve TX resilience for link-down handling
- Virtual:
- Google cloud vNIC:
- support larger ring sizes in DQO-QPL mode
- improve HW-GRO handling
- support UDP GSO for DQO format
- PCIe NTB:
- support queue count configuration
- Ethernet PHYs:
- automatically disable PHY autonomous EEE if MAC is in charge
- Broadcom:
- add BCM84891/BCM84892 support
- Micrel:
- support for LAN9645X internal PHY
- Realtek:
- add RTL8224 pair order support
- support PHY LEDs on RTL8211F-VD
- support spread spectrum clocking (SSC)
- Maxlinear:
- add PHY-level statistics via ethtool
- Ethernet switches:
- Maxlinear (mxl862xx):
- support for bridge offloading
- support for VLANs
- support driver statistics
- Bluetooth:
- large number of fixes and new device IDs
- Mediatek:
- support MT6639 (MT7927)
- support MT7902 SDIO
- WiFi:
- Intel (iwlwifi):
- UNII-9 and continuing UHR work
- MediaTek (mt76):
- mt7996/mt7925 MLO fixes/improvements
- mt7996 NPU support (HW eth/wifi traffic offload)
- Qualcomm (ath12k):
- monitor mode support on IPQ5332
- basic hwmon temperature reporting
- support IPQ5424
- Realtek:
- add USB RX aggregation to improve performance
- add USB TX flow control by tracking in-flight URBs
- Cellular:
- IPA v5.2 support
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Support HW queue leasing, allowing containers to be granted access
to HW queues for zero-copy operations and AF_XDP
- Number of code moves to help the compiler with inlining. Avoid
output arguments for returning drop reason where possible
- Rework drop handling within qdiscs to include more metadata about
the reason and dropping qdisc in the tracepoints
- Remove the rtnl_lock use from IP Multicast Routing
- Pack size information into the Rx Flow Steering table pointer
itself. This allows making the table itself a flat array of u32s,
thus making the table allocation size a power of two
- Report TCP delayed ack timer information via socket diag
- Add ip_local_port_step_width sysctl to allow distributing the
randomly selected ports more evenly throughout the allowed space
- Add support for per-route tunsrc in IPv6 segment routing
- Start work of switching sockopt handling to iov_iter
- Improve dynamic recvbuf sizing in MPTCP, limit burstiness and avoid
buffer size drifting up
- Support MSG_EOR in MPTCP
- Add stp_mode attribute to the bridge driver for STP mode selection.
This addresses concerns about call_usermodehelper() usage
- Remove UDP-Lite support (as announced in 2023)
- Remove support for building IPv6 as a module. Remove the now
unnecessary function calling indirection
Cross-tree stuff:
- Move Michael MIC code from generic crypto into wireless, it's
considered insecure but some WiFi networks still need it
Netfilter:
- Switch nft_fib_ipv6 module to no longer need temporary dst_entry
object allocations by using fib6_lookup() + RCU.
Florian W reports this gets us ~13% higher packet rate
- Convert IPVS's global __ip_vs_mutex to per-net service_mutex and
switch the service tables to be per-net. Convert some code that
walks the service lists to use RCU instead of the service_mutex
- Add more opinionated input validation to lower security exposure
- Make IPVS hash tables to be per-netns and resizable
Wireless:
- Finished assoc frame encryption/EPPKE/802.1X-over-auth
- Radar detection improvements
- Add 6 GHz incumbent signal detection APIs
- Multi-link support for FILS, probe response templates and client
probing
- New APIs and mac80211 support for NAN (Neighbor Aware Networking,
aka Wi-Fi Aware) so less work must be in firmware
Driver API:
- Add numerical ID for devlink instances (to avoid having to create
fake bus/device pairs just to have an ID). Support shared devlink
instances which span multiple PFs
- Add standard counters for reporting pause storm events (implement
in mlx5 and fbnic)
- Add configuration API for completion writeback buffering (implement
in mana)
- Support driver-initiated change of RSS context sizes
- Support DPLL monitoring input frequency (implement in zl3073x)
- Support per-port resources in devlink (implement in mlx5)
Misc:
- Expand the YAML spec for Netfilter
Drivers
- Software:
- macvlan: support multicast rx for bridge ports with shared
source MAC address
- team: decouple receive and transmit enablement for IEEE 802.3ad
LACP "independent control"
- Ethernet high-speed NICs:
- nVidia/Mellanox:
- support high order pages in zero-copy mode (for payload
coalescing)
- support multiple packets in a page (for systems with 64kB
pages)
- Broadcom 25-400GE (bnxt):
- implement XDP RSS hash metadata extraction
- add software fallback for UDP GSO, lowering the IOMMU cost
- Broadcom 800GE (bnge):
- add link status and configuration handling
- add various HW and SW statistics
- Marvell/Cavium:
- NPC HW block support for cn20k
- Huawei (hinic3):
- add mailbox / control queue
- add rx VLAN offload
- add driver info and link management
- Ethernet NICs:
- Marvell/Aquantia:
- support reading SFP module info on some AQC100 cards
- Realtek PCI (r8169):
- add support for RTL8125cp
- Realtek USB (r8152):
- support for the RTL8157 5Gbit chip
- add 2500baseT EEE status/configuration support
- Ethernet NICs embedded and off-the-shelf IP:
- Synopsys (stmmac):
- cleanup and reorganize SerDes handling and PCS support
- cleanup descriptor handling and per-platform data
- cleanup and consolidate MDIO defines and handling
- shrink driver memory use for internal structures
- improve Tx IRQ coalescing
- improve TCP segmentation handling
- add support for Spacemit K3
- Cadence (macb):
- support PHYs that have inband autoneg disabled with GEM
- support IEEE 802.3az EEE
- rework usrio capabilities and handling
- AMD (xgbe):
- improve power management for S0i3
- improve TX resilience for link-down handling
- Virtual:
- Google cloud vNIC:
- support larger ring sizes in DQO-QPL mode
- improve HW-GRO handling
- support UDP GSO for DQO format
- PCIe NTB:
- support queue count configuration
- Ethernet PHYs:
- automatically disable PHY autonomous EEE if MAC is in charge
- Broadcom:
- add BCM84891/BCM84892 support
- Micrel:
- support for LAN9645X internal PHY
- Realtek:
- add RTL8224 pair order support
- support PHY LEDs on RTL8211F-VD
- support spread spectrum clocking (SSC)
- Maxlinear:
- add PHY-level statistics via ethtool
- Ethernet switches:
- Maxlinear (mxl862xx):
- support for bridge offloading
- support for VLANs
- support driver statistics
- Bluetooth:
- large number of fixes and new device IDs
- Mediatek:
- support MT6639 (MT7927)
- support MT7902 SDIO
- WiFi:
- Intel (iwlwifi):
- UNII-9 and continuing UHR work
- MediaTek (mt76):
- mt7996/mt7925 MLO fixes/improvements
- mt7996 NPU support (HW eth/wifi traffic offload)
- Qualcomm (ath12k):
- monitor mode support on IPQ5332
- basic hwmon temperature reporting
- support IPQ5424
- Realtek:
- add USB RX aggregation to improve performance
- add USB TX flow control by tracking in-flight URBs
- Cellular:
- IPA v5.2 support"
* tag 'net-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1561 commits)
net: pse-pd: fix kernel-doc function name for pse_control_find_by_id()
wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit
wireguard: allowedips: remove redundant space
tools: ynl: add sample for wireguard
wireguard: allowedips: Use kfree_rcu() instead of call_rcu()
MAINTAINERS: Add netkit selftest files
selftests/net: Add additional test coverage in nk_qlease
selftests/net: Split netdevsim tests from HW tests in nk_qlease
tools/ynl: Make YnlFamily closeable as a context manager
net: airoha: Add missing PPE configurations in airoha_ppe_hw_init()
net: airoha: Fix VIP configuration for AN7583 SoC
net: caif: clear client service pointer on teardown
net: strparser: fix skb_head leak in strp_abort_strp()
net: usb: cdc-phonet: fix skb frags[] overflow in rx_complete()
selftests/bpf: add test for xdp_master_redirect with bond not up
net, bpf: fix null-ptr-deref in xdp_master_redirect() for down master
net: airoha: Remove PCE_MC_EN_MASK bit in REG_FE_PCE_CFG configuration
sctp: disable BH before calling udp_tunnel_xmit_skb()
sctp: fix missing encap_port propagation for GSO fragments
net: airoha: Rely on net_device pointer in ETS callbacks
...
|
||
|
Linus Torvalds
|
f5ad410100 |
bpf-next-7.1
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Merge tag 'bpf-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Pull bpf updates from Alexei Starovoitov:
- Welcome new BPF maintainers: Kumar Kartikeya Dwivedi, Eduard
Zingerman while Martin KaFai Lau reduced his load to Reviwer.
- Lots of fixes everywhere from many first time contributors. Thank you
All.
- Diff stat is dominated by mechanical split of verifier.c into
multiple components:
- backtrack.c: backtracking logic and jump history
- states.c: state equivalence
- cfg.c: control flow graph, postorder, strongly connected
components
- liveness.c: register and stack liveness
- fixups.c: post-verification passes: instruction patching, dead
code removal, bpf_loop inlining, finalize fastcall
8k line were moved. verifier.c still stands at 20k lines.
Further refactoring is planned for the next release.
- Replace dynamic stack liveness with static stack liveness based on
data flow analysis.
This improved the verification time by 2x for some programs and
equally reduced memory consumption. New logic is in liveness.c and
supported by constant folding in const_fold.c (Eduard Zingerman,
Alexei Starovoitov)
- Introduce BTF layout to ease addition of new BTF kinds (Alan Maguire)
- Use kmalloc_nolock() universally in BPF local storage (Amery Hung)
- Fix several bugs in linked registers delta tracking (Daniel Borkmann)
- Improve verifier support of arena pointers (Emil Tsalapatis)
- Improve verifier tracking of register bounds in min/max and tnum
domains (Harishankar Vishwanathan, Paul Chaignon, Hao Sun)
- Further extend support for implicit arguments in the verifier (Ihor
Solodrai)
- Add support for nop,nop5 instruction combo for USDT probes in libbpf
(Jiri Olsa)
- Support merging multiple module BTFs (Josef Bacik)
- Extend applicability of bpf_kptr_xchg (Kaitao Cheng)
- Retire rcu_trace_implies_rcu_gp() (Kumar Kartikeya Dwivedi)
- Support variable offset context access for 'syscall' programs (Kumar
Kartikeya Dwivedi)
- Migrate bpf_task_work and dynptr to kmalloc_nolock() (Mykyta
Yatsenko)
- Fix UAF in in open-coded task_vma iterator (Puranjay Mohan)
* tag 'bpf-next-7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (241 commits)
selftests/bpf: cover short IPv4/IPv6 inputs with adjust_room
bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb
selftests/bpf: Use memfd_create instead of shm_open in cgroup_iter_memcg
selftests/bpf: Add test for cgroup storage OOB read
bpf: Fix OOB in pcpu_init_value
selftests/bpf: Fix reg_bounds to match new tnum-based refinement
selftests/bpf: Add tests for non-arena/arena operations
bpf: Allow instructions with arena source and non-arena dest registers
bpftool: add missing fsession to the usage and docs of bpftool
docs/bpf: add missing fsession attach type to docs
bpf: add missing fsession to the verifier log
bpf: Move BTF checking logic into check_btf.c
bpf: Move backtracking logic to backtrack.c
bpf: Move state equivalence logic to states.c
bpf: Move check_cfg() into cfg.c
bpf: Move compute_insn_live_regs() into liveness.c
bpf: Move fixup/post-processing logic from verifier.c into fixups.c
bpf: Simplify do_check_insn()
bpf: Move checks for reserved fields out of the main pass
bpf: Delete unused variable
...
|
||
|
Linus Torvalds
|
e997ac58ad |
linux_kselftest-next-7.1-rc1
Improvements and fixes kselftest, kselftest harness, frameworks
and individual tests:
-- cpu-hotplug: fix to check if cpu hotplug is supported to avoid
test failures when cpu hotplug isn't supported.
-- frace: fix to relevant comparisons and path checks in the helper so
it handles those patterns without spurious shell warnings.
-- runner.sh: add ktrap support
-- tracing: fix to make --logdir option work again
-- tracing: fix to check awk supports non POSIX strtonum()
-- mqueue: fix incorrectly named settings file to make sure the test
used the correct timeout value
-- kselftest:
- fix to treat xpass as successful result
- add ksft_reset_state()
-- kselftest_harness:
- validate kselftest exit codes are handled explicitly
- add detection of invalid mixing of kselftest and harness functionality
- add validation of intermixing of kselftest and harness functionality
-- run_kselftest.sh:
- remove unused $ROOT
- resolve BASE_DIR with pwd -P to avoid dependency on realpath
or readlink commands to generate a physical absolute path for
BASE_DIR
- allow choosing per-test log directory
- preserve subtarget failures in all/install
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Merge tag 'linux_kselftest-next-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- cpu-hotplug: fix to check if cpu hotplug is supported to avoid
test failures when cpu hotplug isn't supported.
- frace: fix to relevant comparisons and path checks in the helper so
it handles those patterns without spurious shell warnings.
- runner.sh: add ktrap support
- tracing: fix to make --logdir option work again
- tracing: fix to check awk supports non POSIX strtonum()
- mqueue: fix incorrectly named settings file to make sure the test
used the correct timeout value
- kselftest:
- fix to treat xpass as successful result
- add ksft_reset_state()
- kselftest_harness:
- validate kselftest exit codes are handled explicitly
- add detection of invalid mixing of kselftest and harness
functionality
- add validation of intermixing of kselftest and harness
functionality
- run_kselftest.sh:
- remove unused $ROOT
- resolve BASE_DIR with pwd -P to avoid dependency on realpath
or readlink commands to generate a physical absolute path for
BASE_DIR
- allow choosing per-test log directory
- preserve subtarget failures in all/install
* tag 'linux_kselftest-next-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: Quote check_requires comparisons
selftests: Preserve subtarget failures in all/install
selftests/run_kselftest.sh: Allow choosing per-test log directory
selftests/run_kselftest.sh: Resolve BASE_DIR with pwd -P
selftests/run_kselftest.sh: Remove unused $ROOT
selftests/cpu-hotplug: Fix check for cpu hotplug not supported
selftests/mqueue: Fix incorrectly named file
selftests: Use ktap helpers for runner.sh
selftests: harness: Validate intermixing of kselftest and harness functionality
selftests: harness: Detect illegal mixing of kselftest and harness functionality
selftests: kselftest: Add ksft_reset_state()
selftests: harness: Validate that explicit kselftest exitcodes are handled
selftests: kselftest: Treat xpass as successful result
selftests/tracing: Fix to check awk supports non POSIX strtonum()
selftests/tracing: Fix to make --logdir option work again
|
||
|
Linus Torvalds
|
6198c86a97 |
linux_kselftest-kunit-7.1-rc1
Fixes kunit tool to
-- terminate kernel under test on SIGINT when it catches SIGINT
to make sure the TTY isn't messed up and terminate the running
kernel.
-- recommend --raw_output=all when KTAP header isn't found in the kernel
output, it's useful to re-run the test with --raw_output=all to find
out the reasons why the test didn't complete.
-- skip stty when stdin is not a tty to avoid writing noise to stderr.
-- show suites when user runs --list_suites option instead of entire
list of tests to make the output user friendly and concise.
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Merge tag 'linux_kselftest-kunit-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit tool updates from Shuah Khan:
- terminate kernel under test on SIGINT when it catches SIGINT to make
sure the TTY isn't messed up and terminate the running kernel
- recommend --raw_output=all when KTAP header isn't found in the kernel
output, it's useful to re-run the test with --raw_output=all to find
out the reasons why the test didn't complete.
- skip stty when stdin is not a tty to avoid writing noise to stderr.
- show suites when user runs --list_suites option instead of entire
list of tests to make the output user friendly and concise.
* tag 'linux_kselftest-kunit-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: tool: Terminate kernel under test on SIGINT
kunit: tool: skip stty when stdin is not a tty
kunit: tool: Recommend --raw_output=all if no KTAP found
kunit: Add --list_suites to show suites
|
||
|
Linus Torvalds
|
88b29f3f57 |
Modules changes for v7.1-rc1
Kernel symbol flags:
- Replace the separate *_gpl symbol sections (__ksymtab_gpl and
__kcrctab_gpl) with a unified symbol table and a new
__kflagstab section. This section stores symbol flags, such as
the GPL-only flag, as an 8-bit bitset for each exported symbol.
This is a cleanup that simplifies symbol lookup in the module
loader by avoiding table fragmentation and will allow a cleaner
way to add more flags later if needed.
Module signature UAPI:
- Move struct module_signature to the UAPI headers to allow reuse
by tools outside the kernel proper, such as kmod and
scripts/sign-file. This also renames a few constants for clarity
and drops unused signature types as preparation for hash-based
module integrity checking work that's in progress.
Sysfs:
- Add a /sys/module/<module>/import_ns sysfs attribute to show
the symbol namespaces imported by loaded modules. This makes it
easier to verify driver API access at runtime on systems that
care about such things (e.g. Android).
Cleanups and fixes:
- Force sh_addr to 0 for all sections in module.lds. This prevents
non-zero section addresses when linking modules with ld.bfd -r,
which confused elfutils.
- Fix a memory leak of charp module parameters on module unload
when the kernel is configured with CONFIG_SYSFS=n.
- Override the -EEXIST error code returned by module_init() to
userspace. This prevents confusion with the errno reserved by
the module loader to indicate that a module is already loaded.
- Simplify the warning message and drop the stack dump on positive
returns from module_init().
- Drop unnecessary extern keywords from function declarations and
synchronize parse_args() arguments with their implementation.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
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Merge tag 'modules-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
Pull module updates from Sami Tolvanen:
"Kernel symbol flags:
- Replace the separate *_gpl symbol sections (__ksymtab_gpl and
__kcrctab_gpl) with a unified symbol table and a new __kflagstab
section.
This section stores symbol flags, such as the GPL-only flag, as an
8-bit bitset for each exported symbol. This is a cleanup that
simplifies symbol lookup in the module loader by avoiding table
fragmentation and will allow a cleaner way to add more flags later
if needed.
Module signature UAPI:
- Move struct module_signature to the UAPI headers to allow reuse by
tools outside the kernel proper, such as kmod and
scripts/sign-file.
This also renames a few constants for clarity and drops unused
signature types as preparation for hash-based module integrity
checking work that's in progress.
Sysfs:
- Add a /sys/module/<module>/import_ns sysfs attribute to show the
symbol namespaces imported by loaded modules.
This makes it easier to verify driver API access at runtime on
systems that care about such things (e.g. Android).
Cleanups and fixes:
- Force sh_addr to 0 for all sections in module.lds. This prevents
non-zero section addresses when linking modules with 'ld.bfd -r',
which confused elfutils.
- Fix a memory leak of charp module parameters on module unload when
the kernel is configured with CONFIG_SYSFS=n.
- Override the -EEXIST error code returned by module_init() to
userspace. This prevents confusion with the errno reserved by the
module loader to indicate that a module is already loaded.
- Simplify the warning message and drop the stack dump on positive
returns from module_init().
- Drop unnecessary extern keywords from function declarations and
synchronize parse_args() arguments with their implementation"
* tag 'modules-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux: (23 commits)
module: Simplify warning on positive returns from module_init()
module: Override -EEXIST module return
documentation: remove references to *_gpl sections
module: remove *_gpl sections from vmlinux and modules
module: deprecate usage of *_gpl sections in module loader
module: use kflagstab instead of *_gpl sections
module: populate kflagstab in modpost
module: add kflagstab section to vmlinux and modules
module: define ksym_flags enumeration to represent kernel symbol flags
selftests/bpf: verify_pkcs7_sig: Use 'struct module_signature' from the UAPI headers
sign-file: use 'struct module_signature' from the UAPI headers
tools uapi headers: add linux/module_signature.h
module: Move 'struct module_signature' to UAPI
module: Give MODULE_SIG_STRING a more descriptive name
module: Give 'enum pkey_id_type' a more specific name
module: Drop unused signature types
extract-cert: drop unused definition of PKEY_ID_PKCS7
docs: symbol-namespaces: mention sysfs attribute
module: expose imported namespaces via sysfs
module: Remove extern keyword from param prototypes
...
|
||
|
Linus Torvalds
|
ee60c510fb |
nolibc changes for 7.1
Highlights: * Many new features and optimizations to printf(). * Rename non-standard symbols to avoid collisions with application code. * Support for byteswap.h, endian.h, err.h and asprintf(). * 64-bit dev_t. * Smaller cleanips and fixes to the code and build system. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQTg4lxklFHAidmUs57B+h1jyw5bOAUCadvnagAKCRDB+h1jyw5b OPgLAQDlu6hdBZtzPzskzwcSQ2MFBQRuiOmHadksYIfvmxerZQD+LCf3xoO5a/vK Jg2K+90RvcerTbHuDqaQave1RPC0vAA= =LIjy -----END PGP SIGNATURE----- Merge tag 'nolibc-20260412-for-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc Pull nolibc updates from Thomas Weißschuh: - Many new features and optimizations to printf() - Rename non-standard symbols to avoid collisions with application code - Support for byteswap.h, endian.h, err.h and asprintf() - 64-bit dev_t - Smaller cleanups and fixes to the code and build system * tag 'nolibc-20260412-for-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/nolibc/linux-nolibc: (61 commits) selftests/nolibc: use gcc 15 tools/nolibc: support UBSAN on gcc tools/nolibc: create __nolibc_no_sanitize_ubsan selftests/nolibc: don't skip tests for unimplemented syscalls anymore selftests/nolibc: explicitly handle ENOSYS from ptrace() tools/nolibc: add byteorder conversions tools/nolibc: add the _syscall() macro tools/nolibc: move the call to __sysret() into syscall() tools/nolibc: rename the internal macros used in syscall() selftests/nolibc: only use libgcc when really necessary selftests/nolibc: test the memory allocator tools/nolibc: check for overflow in calloc() without divisions tools/nolibc: add support for asprintf() tools/nolibc: use __builtin_offsetof() tools/nolibc: use makedev() in fstatat() tools/nolibc: handle all major and minor numbers in makedev() and friends tools/nolibc: make dev_t 64 bits wide tools/nolibc: move the logic of makedev() and friends into functions selftests/nolibc: add a test for stat().st_rdev selftests/nolibc: add some tests for makedev() and friends ... |
||
|
Linus Torvalds
|
3203a08c12 |
powerpc updates for 7.1
- powerpc support for huge pfnmaps - Cleanups to use masked user access - Rework pnv_ioda_pick_m64_pe() to use better bitmap API - Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC - Backup region offset update to eflcorehdr - Fixes for wii/ps3 platform - Implement JIT support for private stack in powerpc - Implement JIT support for fsession in powerpc64 trampoline - Add support for instruction array and indirect jump in powerpc - Misc selftest fixes and cleanups Thanks to: Abhishek Dubey, Aditya Gupta, Alex Williamson, Amit Machhiwal, Andrew Donnellan, Bartosz Golaszewski, Cédric Le Goater, Chen Ni, Christophe Leroy (CS GROUP), Hari Bathini, J. Neuschäfer, Mukesh Kumar Chaurasiya (IBM), Nam Cao, Nilay Shroff, Pavithra Prakash, Randy Dunlap, Ritesh Harjani (IBM), Shrikanth Hegde, Sourabh Jain, Vaibhav Jain, Venkat Rao Bagalkote, Yury Norov (NVIDIA) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEqX2DNAOgU8sBX3pRpnEsdPSHZJQFAmnc9bQACgkQpnEsdPSH ZJS0wg//TIma7bIPw0rFNnDWRHJq2YqXCSOKjU24gkYPD+T5lvuE4JtkYx1U7FOC yByjCwmWg0RMOlcDC0vtyqvcq8fZSc5VwrebjZaHtEcRFkcip5r57A1DkV1TLWF/ 3EXQzhOzh5Sf6+A7leg4hVhk0ZvCG/DFqKCW6s1uBBBALD2nv9oC9WLzdZeutiWm hC+f1pFbfr4ZAAcjeTTBLJPLa4ayWUbszseW2CX9B3Rf041fh4puAH709Wlf9gYz 7Gh7ZS/XhLYi5urH9bd7+0CTgDxeYI9D/0hBh1szXFHYB2N+1OdQNmMz0TfKlzsB byHGd9OW5EnfwKOFb9/wYQI6vODoZRSVB74oSHlJ7GoLe8FnNnBhqUaYuorJIYJF j8wuhOz/fdC8EWpol2lTsnQ+Lvo7N/YG7BIa2SiSTwpnOoZ2iQR3GeZcp4TCW8A/ ZUHEUuaM/zuNZxIZqxnM7wHBE+nGHjOcfRMZcZz1kwanw+Xyu0lDrTbn0O6h404R p0N/GG5Q8phVD/GQaXi3jt5/316D+SOTo4hhl7nyP1/UFvqH8YEEwXy2KnldBLKH C0S0pdmOx03fgjpG+Utkk2zYpz06KfYL58tiEaCFikoBRtQBfTFq7qyqNrgYRx1V 7h4lnjRqTLjyurBUAUPNZPHC6BY1inv3wJj1x5ooRbaPSDXw5VU= =P25l -----END PGP SIGNATURE----- Merge tag 'powerpc-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc updates from Madhavan Srinivasan: - powerpc support for huge pfnmaps - Cleanups to use masked user access - Rework pnv_ioda_pick_m64_pe() to use better bitmap API - Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC - Backup region offset update to eflcorehdr - Fixes for wii/ps3 platform - Implement JIT support for private stack in powerpc - Implement JIT support for fsession in powerpc64 trampoline - Add support for instruction array and indirect jump in powerpc - Misc selftest fixes and cleanups Thanks to Abhishek Dubey, Aditya Gupta, Alex Williamson, Amit Machhiwal, Andrew Donnellan, Bartosz Golaszewski, Cédric Le Goater, Chen Ni, Christophe Leroy (CS GROUP), Hari Bathini, J. Neuschäfer, Mukesh Kumar Chaurasiya (IBM), Nam Cao, Nilay Shroff, Pavithra Prakash, Randy Dunlap, Ritesh Harjani (IBM), Shrikanth Hegde, Sourabh Jain, Vaibhav Jain, Venkat Rao Bagalkote, and Yury Norov (NVIDIA) * tag 'powerpc-7.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (47 commits) mailmap: Add entry for Andrew Donnellan powerpc32/bpf: fix loading fsession func metadata using PPC_LI32 selftest/bpf: Enable gotox tests for powerpc64 powerpc64/bpf: Add support for indirect jump selftest/bpf: Enable instruction array test for powerpc powerpc/bpf: Add support for instruction array powerpc32/bpf: Add fsession support powerpc64/bpf: Implement fsession support selftests/bpf: Enable private stack tests for powerpc64 powerpc64/bpf: Implement JIT support for private stack powerpc: pci-ioda: Optimize pnv_ioda_pick_m64_pe() powerpc: pci-ioda: use bitmap_alloc() in pnv_ioda_pick_m64_pe() powerpc/net: Inline checksum wrappers and convert to scoped user access powerpc/sstep: Convert to scoped user access powerpc/align: Convert emulate_spe() to scoped user access powerpc/ptrace: Convert gpr32_set_common_user() to scoped user access powerpc/futex: Use masked user access powerpc/audit: Convert powerpc to AUDIT_ARCH_COMPAT_GENERIC cpuidle: powerpc: avoid double clear when breaking snooze powerpc/ps3: spu.c: fix enum and Return kernel-doc warnings ... |
||
|
Linus Torvalds
|
e6b162a63f |
m68knommu: updates and fixes for v7.1
. fix task info flags handling for 68000 nommu -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEmsfM6tQwfNjBOxr3TiQVqaG9L4AFAmnezM4QHGdlcmdAa2Vy bmVsLm9yZwAKCRBOJBWpob0vgGouD/0VJfcEti+R5ledtU8CVnhgNxJ18qWiqrXM wR2319X/KFZq5FOmL9j0SYV4TxUXAX1fRm0PRvzxq0vQdoYBFVAuJXiEQitcF11p UW+X6G3lYAWx5yRyPtxjWM4cI+k7ZkXhdjeRiI6ATkDF85Eq4qdO8czjgUAShDh/ Pvy35VnY60gzB7yCRuH0r6ZF9jPTtazmuDKQup4edSlKvcX3Nz7JGlqez3ZwaW8m uhK6m89iFfvfMhcGyjbaV1EEAZPqV4eS57VeTHNFZz/KXCxT/0LJEZpDJ56yIF8g 7Q0b0QcWIH7sxAnrbh72gHshAap3JBw7ySoXCFocxWtTpqht6OuTx5G73mbecM1X tQhW8gjcIOKc/j0Dg/cqKqUhRHr+wkgYg7FosJy0qUsmWW+GMutyXX6BaufW0Ssc y7nY4Og8mtbmeWlOqf85sbvE0XZczVU+4eANmz6JzV9qSABtO+Pq9urUOJtjJ6GD QE4a3I7JcCFmycOB032OXDly0eZBYad2gkDQCEXdw1phTsU6EcURso3aL2bOYJ4Y 5vUPWUiRzrOUZ0zZRD5ATAfRFQYwcKUh3WIO0UBMPqLUhhduLSIRYnEHgWlKZJ5f HNjFIVwbcInts+jQCUywQeYImsxl9a3FdLFHI/8HO24eetqcraEr/IWgc7n6YDVu 2j6fr3ynDA== =cl0e -----END PGP SIGNATURE----- Merge tag 'm68knommu-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu Pull m68knommu update from Greg Ungerer: - fix task info flags handling for 68000 nommu * tag 'm68knommu-for-v7.1' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: m68k: Fix task info flags handling for 68000 |
||
|
Linus Torvalds
|
c43267e679 |
arm64 updates for 7.1:
Core features:
- Add support for FEAT_LSUI, allowing futex atomic operations without
toggling Privileged Access Never (PAN)
- Further refactor the arm64 exception handling code towards the
generic entry infrastructure
- Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
through it
Memory management:
- Refactor the arm64 TLB invalidation API and implementation for better
control over barrier placement and level-hinted invalidation
- Enable batched TLB flushes during memory hot-unplug
- Fix rodata=full block mapping support for realm guests (when
BBML2_NOABORT is available)
Perf and PMU:
- Add support for a whole bunch of system PMUs featured in NVIDIA's
Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
for CPU/C2C memory latency PMUs)
- Clean up iomem resource handling in the Arm CMN driver
- Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}
MPAM (Memory Partitioning And Monitoring):
- Add architecture context-switch and hiding of the feature from KVM
- Add interface to allow MPAM to be exposed to user-space using resctrl
- Add errata workaround for some existing platforms
- Add documentation for using MPAM and what shape of platforms can use
resctrl
Miscellaneous:
- Check DAIF (and PMR, where relevant) at task-switch time
- Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
(only relevant to asynchronous or asymmetric tag check modes)
- Remove a duplicate allocation in the kexec code
- Remove redundant save/restore of SCS SP on entry to/from EL0
- Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
descriptions
- Add kselftest coverage for cmpbr_sigill()
- Update sysreg definitions
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 updates from Catalin Marinas:
"The biggest changes are MPAM enablement in drivers/resctrl and new PMU
support under drivers/perf.
On the core side, FEAT_LSUI lets futex atomic operations with EL0
permissions, avoiding PAN toggling.
The rest is mostly TLB invalidation refactoring, further generic entry
work, sysreg updates and a few fixes.
Core features:
- Add support for FEAT_LSUI, allowing futex atomic operations without
toggling Privileged Access Never (PAN)
- Further refactor the arm64 exception handling code towards the
generic entry infrastructure
- Optimise __READ_ONCE() with CONFIG_LTO=y and allow alias analysis
through it
Memory management:
- Refactor the arm64 TLB invalidation API and implementation for
better control over barrier placement and level-hinted invalidation
- Enable batched TLB flushes during memory hot-unplug
- Fix rodata=full block mapping support for realm guests (when
BBML2_NOABORT is available)
Perf and PMU:
- Add support for a whole bunch of system PMUs featured in NVIDIA's
Tegra410 SoC (cspmu extensions for the fabric and PCIe, new drivers
for CPU/C2C memory latency PMUs)
- Clean up iomem resource handling in the Arm CMN driver
- Fix signedness handling of AA64DFR0.{PMUVer,PerfMon}
MPAM (Memory Partitioning And Monitoring):
- Add architecture context-switch and hiding of the feature from KVM
- Add interface to allow MPAM to be exposed to user-space using
resctrl
- Add errata workaround for some existing platforms
- Add documentation for using MPAM and what shape of platforms can
use resctrl
Miscellaneous:
- Check DAIF (and PMR, where relevant) at task-switch time
- Skip TFSR_EL1 checks and barriers in synchronous MTE tag check mode
(only relevant to asynchronous or asymmetric tag check modes)
- Remove a duplicate allocation in the kexec code
- Remove redundant save/restore of SCS SP on entry to/from EL0
- Generate the KERNEL_HWCAP_ definitions from the arm64 hwcap
descriptions
- Add kselftest coverage for cmpbr_sigill()
- Update sysreg definitions"
* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (109 commits)
arm64: rsi: use linear-map alias for realm config buffer
arm64: Kconfig: fix duplicate word in CMDLINE help text
arm64: mte: Skip TFSR_EL1 checks and barriers in synchronous tag check mode
arm64/sysreg: Update ID_AA64SMFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ZFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64FPFR0_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR2_EL1 description to DDI0601 2025-12
arm64/sysreg: Update ID_AA64ISAR0_EL1 description to DDI0601 2025-12
arm64/hwcap: Generate the KERNEL_HWCAP_ definitions for the hwcaps
arm64: kexec: Remove duplicate allocation for trans_pgd
ACPI: AGDI: fix missing newline in error message
arm64: Check DAIF (and PMR) at task-switch time
arm64: entry: Use split preemption logic
arm64: entry: Use irqentry_{enter_from,exit_to}_kernel_mode()
arm64: entry: Consistently prefix arm64-specific wrappers
arm64: entry: Don't preempt with SError or Debug masked
entry: Split preemption from irqentry_exit_to_kernel_mode()
entry: Split kernel mode logic from irqentry_{enter,exit}()
entry: Move irqentry_enter() prototype later
entry: Remove local_irq_{enable,disable}_exit_to_user()
...
|
||
Adlavinitha Reddy
|
faed986de5 |
i2c: mediatek: add bus regulator control for power saving
Add conditional bus regulator enable/disable in mtk_i2c_transfer() to support I2C bus power gating for platforms that require it. This implementation: - Enables bus_regulator before clk_bulk_enable() if vbus-supply is defined - Disables bus_regulator after clk_bulk_disable() - Only activates when vbus-supply is provided in device tree - Has no impact on platforms without vbus-supply defined This approach provides power savings for platforms with an extra I2C bus regulator, while avoiding runtime PM complexity. Tested on MT8188. Signed-off-by: Adlavinitha Reddy <adlavinitha.reddy@mediatek.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Signed-off-by: Andi Shyti <andi.shyti@kernel.org> Link: https://lore.kernel.org/r/20260318084621.4127757-2-adlavinitha.reddy@mediatek.com |
||
|
Linus Torvalds
|
508fed6795 |
- Add new AMD MCA bank names and types to the MCA code, preceded by a clean
up of the relevant places to have them more developer-friendly (read: sort them alphanumerically and clean up comments) such that adding new banks is easy -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmndH/cACgkQEsHwGGHe VUpqFBAAvjQCWdL5GQ0sV4EyYVToj4OKU3DmUCJLMKEh3n3yrQpPsbU9+KfxyndP B68lRfRqqV/uUxQGebh7Rnp8o2jWphU2hf1Lr0Ssl6y5ouKWs5Up4foLlG4hAhzC 2MmHVz+jj8Z3FWKLxMEymxqq6wLF+0H3Issd/l23DkK6hMQCkjKc6WrSNC6JBDCA sSF5kR/E4Q/lcW12ncq4pUYwkKox2lcdsNtI/nC7W7W+CoqwpOq8MfomCDIII+A0 Ib7baeRxagOk0WHlfy15fGaDoKlHW6ImT3cVYBK/tomp8dpG2zRMXHHQExan2rBR rHzvk3aHEgOr02DZJ/dxOT+libQIkBwno+DheEhJHcirB/gS5Z51ERhkyzqLReGv +XSO1Eq9j5bqiVn8RdPeJIVLtfqnOrpcks+cCmyH0AlLIx1WV5mSRUtmVl1kWyq1 GBos0yOnH4PgMxqv8fNkfNjm1ATnHyrVjYl5YNKSzJHhu/8BYcQJ4X8R0f2m0pXS WI6uXf35C6rJcKj25qo1Nnhmj5YDWJgelJjes9ZtmRMPDNNooD4VLk1W6ox7VuOY QaNMNwrroLRdfOlaz7oYIUAuoaZbZnTqbz8Lfmb4UScLd9LfI5ZPqs7pB5VORApF 5IYM/Wli+kQl2Qbz0CD6ZtfdidqR09H7oJBE/r6bEFePot2EpUY= =aivF -----END PGP SIGNATURE----- Merge tag 'ras_core_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull RAS updates from Borislav Petkov: - Add new AMD MCA bank names and types to the MCA code, preceded by a clean up of the relevant places to have them more developer-friendly (read: sort them alphanumerically and clean up comments) such that adding new banks is easy * tag 'ras_core_for_v7.1_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mce, EDAC/mce_amd: Add new SMCA bank types x86/mce, EDAC/mce_amd: Update CS bank type naming x86/mce, EDAC/mce_amd: Reorder SMCA bank type enums |