* fix a latent bug when the kernel is compiled in debug mode
* two small UCONTROL fixes and their selftests
arm64:
* always check page state in hyp_ack_unshare()
* align set_id_regs selftest with the fact that ASIDBITS field is RO
* various vPMU fixes for bugs that only affect nested virt
PPC e500:
* Fix a mostly impossible (but just wrong) case where IRQs were
never re-enabled
* Observe host permissions instead of mapping readonly host pages as
guest-writable. This fixes a NULL-pointer dereference in 6.13
* Replace brittle VMA-based attempts at building huge shadow TLB entries
with PTE lookups.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"The largest part here is for KVM/PPC, where a NULL pointer dereference
was introduced in the 6.13 merge window and is now fixed.
There's some "holiday-induced lateness", as the s390 submaintainer put
it, but otherwise things looks fine.
s390:
- fix a latent bug when the kernel is compiled in debug mode
- two small UCONTROL fixes and their selftests
arm64:
- always check page state in hyp_ack_unshare()
- align set_id_regs selftest with the fact that ASIDBITS field is RO
- various vPMU fixes for bugs that only affect nested virt
PPC e500:
- Fix a mostly impossible (but just wrong) case where IRQs were never
re-enabled
- Observe host permissions instead of mapping readonly host pages as
guest-writable. This fixes a NULL-pointer dereference in 6.13
- Replace brittle VMA-based attempts at building huge shadow TLB
entries with PTE lookups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: e500: perform hugepage check after looking up the PFN
KVM: e500: map readonly host pages for read
KVM: e500: track host-writability of pages
KVM: e500: use shadow TLB entry as witness for writability
KVM: e500: always restore irqs
KVM: s390: selftests: Add has device attr check to uc_attr_mem_limit selftest
KVM: s390: selftests: Add ucontrol gis routing test
KVM: s390: Reject KVM_SET_GSI_ROUTING on ucontrol VMs
KVM: s390: selftests: Add ucontrol flic attr selftests
KVM: s390: Reject setting flic pfault attributes on ucontrol VMs
KVM: s390: vsie: fix virtual/physical address in unpin_scb()
KVM: arm64: Only apply PMCR_EL0.P to the guest range of counters
KVM: arm64: nv: Reload PMU events upon MDCR_EL2.HPME change
KVM: arm64: Use KVM_REQ_RELOAD_PMU to handle PMCR_EL0.E change
KVM: arm64: Add unified helper for reprogramming counters by mask
KVM: arm64: Always check the state from hyp_ack_unshare()
KVM: arm64: Fix set_id_regs selftest for ASIDBITS becoming unwritable
Fix a latent bug when the kernel is compiled in debug mode.
Two small UCONTROL fixes and their selftests.
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Merge tag 'kvm-s390-master-6.13-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
KVM: s390: three small bugfixes
Fix a latent bug when the kernel is compiled in debug mode.
Two small UCONTROL fixes and their selftests.
- Always check page state in hyp_ack_unshare()
- Align set_id_regs selftest with the fact that ASIDBITS field is RO
- Various vPMU fixes for bugs that only affect nested virt
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Merge tag 'kvmarm-fixes-6.13-3' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 changes for 6.13, part #3
- Always check page state in hyp_ack_unshare()
- Align set_id_regs selftest with the fact that ASIDBITS field is RO
- Various vPMU fixes for bugs that only affect nested virt
Over the Christmas break, a couple of devicetree fixes came in
for Rockchips, Qualcomm and NXP/i.MX. These add some missing
board specific properties, address build time warnings,
The USB/TOG supoprt on X1 Elite regressed, so two earlier DT
changes get reverted for now.
Aside from the devicetree fixes, there is One build fix for the
stm32 firewall driver, and a defconfig change to enable SPDIF
support for i.MX.
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Merge tag 'soc-fixes-6.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC fixes from Arnd Bergmann:
"Over the Christmas break a couple of devicetree fixes came in for
Rockchips, Qualcomm and NXP/i.MX. These add some missing board
specific properties, address build time warnings,
The USB/TOG supoprt on X1 Elite regressed, so two earlier DT changes
get reverted for now.
Aside from the devicetree fixes, there is One build fix for the stm32
firewall driver, and a defconfig change to enable SPDIF support for
i.MX"
* tag 'soc-fixes-6.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
firewall: remove misplaced semicolon from stm32_firewall_get_firewall
arm64: dts: rockchip: add hevc power domain clock to rk3328
arm64: dts: rockchip: Fix the SD card detection on NanoPi R6C/R6S
arm64: dts: qcom: sa8775p: fix the secure device bootup issue
Revert "arm64: dts: qcom: x1e80100: enable OTG on USB-C controllers"
Revert "arm64: dts: qcom: x1e80100-crd: enable otg on usb ports"
arm64: dts: qcom: x1e80100: Fix up BAR space size for PCIe6a
Revert "arm64: dts: qcom: x1e78100-t14s: enable otg on usb-c ports"
ARM: dts: imxrt1050: Fix clocks for mmc
ARM: imx_v6_v7_defconfig: enable SND_SOC_SPDIF
arm64: dts: imx95: correct the address length of netcmix_blk_ctrl
arm64: dts: imx8-ss-audio: add fallback compatible string fsl,imx6ull-esai for esai
arm64: dts: rockchip: rename rfkill label for Radxa ROCK 5B
arm64: dts: rockchip: add reset-names for combphy on rk3568
arm64: dts: qcom: sa8775p: Fix the size of 'addr_space' regions
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Merge tag 'vfs-6.13-rc7.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"afs:
- Fix the maximum cell name length
- Fix merge preference rule failure condition
fuse:
- Fix fuse_get_user_pages() so it doesn't risk misleading the caller
to think pages have been allocated when they actually haven't
- Fix direct-io folio offset and length calculation
netfs:
- Fix async direct-io handling
- Fix read-retry for filesystems that don't provide a
->prepare_read() method
vfs:
- Prevent truncating 64-bit offsets to 32-bits in iomap
- Fix memory barrier interactions when polling
- Remove MNT_ONRB to fix concurrent modification of @mnt->mnt_flags
leading to MNT_ONRB to not be raised and invalid access to a list
member"
* tag 'vfs-6.13-rc7.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
poll: kill poll_does_not_wait()
sock_poll_wait: kill the no longer necessary barrier after poll_wait()
io_uring_poll: kill the no longer necessary barrier after poll_wait()
poll_wait: kill the obsolete wait_address check
poll_wait: add mb() to fix theoretical race between waitqueue_active() and .poll()
afs: Fix merge preference rule failure condition
netfs: Fix read-retry for fs with no ->prepare_read()
netfs: Fix kernel async DIO
fs: kill MNT_ONRB
iomap: avoid avoid truncating 64-bit offset to 32 bits
afs: Fix the maximum cell name length
fuse: Set *nbytesp=0 in fuse_get_user_pages on allocation failure
fuse: fix direct io folio offset and length calculation
A couple of fixes for !REGULATOR and !OF configurations, adding missing
stubs.
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Merge tag 'regulator-fix-v6.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"A couple of fixes for !REGULATOR and !OF configurations, adding
missing stubs"
* tag 'regulator-fix-v6.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: Move OF_ API declarations/definitions outside CONFIG_REGULATOR
regulator: Guard of_regulator_bulk_get_all() with CONFIG_OF
Now that poll_wait() provides a full barrier we can remove smp_mb() from
sock_poll_wait().
Also, the poll_does_not_wait() check before poll_wait() just adds the
unnecessary confusion, kill it. poll_wait() does the same "p && p->_qproc"
check.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20250107162736.GA18944@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This check is historical and no longer needed, wait_address is never NULL.
These days we rely on the poll_table->_qproc check. NULL if select/poll
is not going to sleep, or it already has a data to report, or all waiters
have already been registered after the 1st iteration.
However, poll_table *p can be NULL, see p9_fd_poll() for example, so we
can't remove the "p != NULL" check.
Link: https://lore.kernel.org/all/20250106180325.GF7233@redhat.com/
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20250107162724.GA18926@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
As the comment above waitqueue_active() explains, it can only be used
if both waker and waiter have mb()'s that pair with each other. However
__pollwait() is broken in this respect.
This is not pipe-specific, but let's look at pipe_poll() for example:
poll_wait(...); // -> __pollwait() -> add_wait_queue()
LOAD(pipe->head);
LOAD(pipe->head);
In theory these LOAD()'s can leak into the critical section inside
add_wait_queue() and can happen before list_add(entry, wq_head), in this
case pipe_poll() can race with wakeup_pipe_readers/writers which do
smp_mb();
if (waitqueue_active(wq_head))
wake_up_interruptible(wq_head);
There are more __pollwait()-like functions (grep init_poll_funcptr), and
it seems that at least ep_ptable_queue_proc() has the same problem, so the
patch adds smp_mb() into poll_wait().
Link: https://lore.kernel.org/all/20250102163320.GA17691@redhat.com/
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Link: https://lore.kernel.org/r/20250107162717.GA18922@redhat.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
Remove misplaced colon in stm32_firewall_get_firewall()
which results in a syntax error when the code is compiled
without CONFIG_STM32_FIREWALL.
Fixes: 5c9668cfc6 ("firewall: introduce stm32_firewall framework")
Signed-off-by: guanjing <guanjing@cmss.chinamobile.com>
Reviewed-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
No outstanding fixes / investigations at this time.
Current release - new code bugs:
- eth: fbnic: revert HWMON support, it doesn't work at all
and revert is similar size as the fixes
Previous releases - regressions:
- tcp: allow a connection when sk_max_ack_backlog is zero
- tls: fix tls_sw_sendmsg error handling
Previous releases - always broken:
- netdev netlink family:
- prevent accessing NAPI instances from another namespace
- don't dump Tx and uninitialized NAPIs
- net: sysctl: avoid using current->nsproxy, fix null-deref if task
is exiting and stick to opener's netns
- sched: sch_cake: add bounds checks to host bulk flow fairness counts
Misc:
- annual cleanup of inactive maintainers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter, Bluetooth and WPAN.
No outstanding fixes / investigations at this time.
Current release - new code bugs:
- eth: fbnic: revert HWMON support, it doesn't work at all and revert
is similar size as the fixes
Previous releases - regressions:
- tcp: allow a connection when sk_max_ack_backlog is zero
- tls: fix tls_sw_sendmsg error handling
Previous releases - always broken:
- netdev netlink family:
- prevent accessing NAPI instances from another namespace
- don't dump Tx and uninitialized NAPIs
- net: sysctl: avoid using current->nsproxy, fix null-deref if task
is exiting and stick to opener's netns
- sched: sch_cake: add bounds checks to host bulk flow fairness
counts
Misc:
- annual cleanup of inactive maintainers"
* tag 'net-6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits)
rds: sysctl: rds_tcp_{rcv,snd}buf: avoid using current->nsproxy
sctp: sysctl: plpmtud_probe_interval: avoid using current->nsproxy
sctp: sysctl: udp_port: avoid using current->nsproxy
sctp: sysctl: auth_enable: avoid using current->nsproxy
sctp: sysctl: rto_min/max: avoid using current->nsproxy
sctp: sysctl: cookie_hmac_alg: avoid using current->nsproxy
mptcp: sysctl: blackhole timeout: avoid using current->nsproxy
mptcp: sysctl: sched: avoid using current->nsproxy
mptcp: sysctl: avail sched: remove write access
MAINTAINERS: remove Lars Povlsen from Microchip Sparx5 SoC
MAINTAINERS: remove Noam Dagan from AMAZON ETHERNET
MAINTAINERS: remove Ying Xue from TIPC
MAINTAINERS: remove Mark Lee from MediaTek Ethernet
MAINTAINERS: mark stmmac ethernet as an Orphan
MAINTAINERS: remove Andy Gospodarek from bonding
MAINTAINERS: update maintainers for Microchip LAN78xx
MAINTAINERS: mark Synopsys DW XPCS as Orphan
net/mlx5: Fix variable not being completed when function returns
rtase: Fix a check for error in rtase_alloc_msix()
net: stmmac: dwmac-tegra: Read iommu stream id from device tree
...
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Merge tag 'for-6.13-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few more fixes.
Besides the one-liners in Btrfs there's fix to the io_uring and
encoded read integration (added in this development cycle). The update
to io_uring provides more space for the ongoing command that is then
used in Btrfs to handle some cases.
- io_uring and encoded read:
- provide stable storage for io_uring command data
- make a copy of encoded read ioctl call, reuse that in case the
call would block and will be called again
- properly initialize zlib context for hardware compression on s390
- fix max extent size calculation on filesystems with non-zoned
devices
- fix crash in scrub on crafted image due to invalid extent tree"
* tag 'for-6.13-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: zlib: fix avail_in bytes for s390 zlib HW compression path
btrfs: zoned: calculate max_extent_size properly on non-zoned setup
btrfs: avoid NULL pointer dereference if no valid extent tree
btrfs: don't read from userspace twice in btrfs_uring_encoded_read()
io_uring: add io_uring_cmd_get_async_data helper
io_uring/cmd: add per-op data to struct io_uring_cmd_data
io_uring/cmd: rename struct uring_cache to io_uring_cmd_data
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Merge tag 'vfs-6.14-rc7.mount.fixes'
Bring in the fix for the mount namespace rbtree. It is used as the base
for the vfs mount work for this cycle and so shouldn't be applied
directly.
Signed-off-by: Christian Brauner <brauner@kernel.org>
Move mnt->mnt_node into the union with mnt->mnt_rcu and mnt->mnt_llist
instead of keeping it with mnt->mnt_list. This allows us to use
RB_CLEAR_NODE(&mnt->mnt_node) in umount_tree() as well as
list_empty(&mnt->mnt_node). That in turn allows us to remove MNT_ONRB.
This also fixes the bug reported in [1] where seemingly MNT_ONRB wasn't
set in @mnt->mnt_flags even though the mount was present in the mount
rbtree of the mount namespace.
The root cause is the following race. When a btrfs subvolume is mounted
a temporary mount is created:
btrfs_get_tree_subvol()
{
mnt = fc_mount()
// Register the newly allocated mount with sb->mounts:
lock_mount_hash();
list_add_tail(&mnt->mnt_instance, &mnt->mnt.mnt_sb->s_mounts);
unlock_mount_hash();
}
and registered on sb->s_mounts. Later it is added to an anonymous mount
namespace via mount_subvol():
-> mount_subvol()
-> mount_subtree()
-> alloc_mnt_ns()
mnt_add_to_ns()
vfs_path_lookup()
put_mnt_ns()
The mnt_add_to_ns() call raises MNT_ONRB in @mnt->mnt_flags. If someone
concurrently does a ro remount:
reconfigure_super()
-> sb_prepare_remount_readonly()
{
list_for_each_entry(mnt, &sb->s_mounts, mnt_instance) {
}
all mounts registered in sb->s_mounts are visited and first
MNT_WRITE_HOLD is raised, then MNT_READONLY is raised, and finally
MNT_WRITE_HOLD is removed again.
The flag modification for MNT_WRITE_HOLD/MNT_READONLY and MNT_ONRB race
so MNT_ONRB might be lost.
Fixes: 2eea9ce431 ("mounts: keep list of mounts in an rbtree")
Cc: <stable@kernel.org> # v6.8+
Link: https://lore.kernel.org/r/20241215-vfs-6-14-mount-work-v1-1-fd55922c4af8@kernel.org
Link: https://lore.kernel.org/r/ec6784ed-8722-4695-980a-4400d4e7bd1a@gmx.com [1]
Signed-off-by: Christian Brauner <brauner@kernel.org>
Four driver fixes in UFS, mostly to do with power management.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four driver fixes in UFS, mostly to do with power management"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: qcom: Power down the controller/device during system suspend for SM8550/SM8650 SoCs
scsi: ufs: qcom: Allow passing platform specific OF data
scsi: ufs: core: Honor runtime/system PM levels if set by host controller drivers
scsi: ufs: qcom: Power off the PHY if it was already powered on in ufs_qcom_power_up_sequence()
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Merge tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Relax assertions on failure to encode file handles
The ->encode_fh() method can fail for various reasons. None of them
warrant a WARN_ON().
- Fix overlayfs file handle encoding by allowing encoding an fid from
an inode without an alias
- Make sure fuse_dir_open() handles FOPEN_KEEP_CACHE. If it's not
specified fuse needs to invaludate the directory inode page cache
- Fix qnx6 so it builds with gcc-15
- Various fixes for netfslib and ceph and nfs filesystems:
- Ignore silly rename files from afs and nfs when building header
archives
- Fix read result collection in netfslib with multiple subrequests
- Handle ENOMEM for netfslib buffered reads
- Fix oops in nfs_netfs_init_request()
- Parse the secctx command immediately in cachefiles
- Remove a redundant smp_rmb() in netfslib
- Handle recursion in read retry in netfslib
- Fix clearing of folio_queue
- Fix missing cancellation of copy-to_cache when the cache for a
file is temporarly disabled in netfslib
- Sanity check the hfs root record
- Fix zero padding data issues in concurrent write scenarios
- Fix is_mnt_ns_file() after converting nsfs to path_from_stashed()
- Fix missing declaration of init_files
- Increase I/O priority when writing revoke records in jbd2
- Flush filesystem device before updating tail sequence in jbd2
* tag 'vfs-6.13-rc7.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (23 commits)
ovl: support encoding fid from inode with no alias
ovl: pass realinode to ovl_encode_real_fh() instead of realdentry
fuse: respect FOPEN_KEEP_CACHE on opendir
netfs: Fix is-caching check in read-retry
netfs: Fix the (non-)cancellation of copy when cache is temporarily disabled
netfs: Fix ceph copy to cache on write-begin
netfs: Work around recursion by abandoning retry if nothing read
netfs: Fix missing barriers by using clear_and_wake_up_bit()
netfs: Remove redundant use of smp_rmb()
cachefiles: Parse the "secctx" immediately
nfs: Fix oops in nfs_netfs_init_request() when copying to cache
netfs: Fix enomem handling in buffered reads
netfs: Fix non-contiguous donation between completed reads
kheaders: Ignore silly-rename files
fs: relax assertions on failure to encode file handles
fs: fix missing declaration of init_files
fs: fix is_mnt_ns_file()
iomap: fix zero padding data issue in concurrent append writes
iomap: pass byte granular end position to iomap_add_to_ioend
jbd2: flush filesystem device before updating tail sequence
...
Since these are hidden inside CONFIG_REGULATOR, building the consumer
drivers without CONFIG_REGULATOR will result in the following build error:
>> drivers/pci/pwrctrl/slot.c:39:15: error: implicit declaration of
function 'of_regulator_bulk_get_all'; did you mean 'regulator_bulk_get'?
[-Werror=implicit-function-declaration]
39 | ret = of_regulator_bulk_get_all(dev, dev_of_node(dev),
| ^~~~~~~~~~~~~~~~~~~~~~~~~
| regulator_bulk_get
cc1: some warnings being treated as errors
This also removes the duplicated definitions that were possibly added to
fix the build issues.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202501020407.HmQQQKa0-lkp@intel.com/
Fixes: 27b9ecc7a9 ("regulator: Add of_regulator_bulk_get_all")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://patch.msgid.link/20250104115058.19216-3-manivannan.sadhasivam@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Since the definition is in drivers/regulator/of_regulator.c and compiled
only if CONFIG_OF is enabled, building the consumer driver without
CONFIG_OF and with CONFIG_REGULATOR will result in below build error:
ERROR: modpost: "of_regulator_bulk_get_all" [drivers/pci/pwrctrl/pci-pwrctl-slot.ko] undefined!
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412181640.12Iufkvd-lkp@intel.com/
Fixes: 27b9ecc7a9 ("regulator: Add of_regulator_bulk_get_all")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://patch.msgid.link/20250104115058.19216-2-manivannan.sadhasivam@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Add a helper function in include/linux/io_uring/cmd.h to read the
async_data pointer from a struct io_uring_cmd.
Signed-off-by: Mark Harmstone <maharmstone@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
In case an op handler for ->uring_cmd() needs stable storage for user
data, it can allocate io_uring_cmd_data->op_data and use it for the
duration of the request. When the request gets cleaned up, uring_cmd
will free it automatically.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: David Sterba <dsterba@suse.com>
In preparation for making this more generically available for
->uring_cmd() usage that needs stable command data, rename it and move
it to io_uring/cmd.h instead.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: David Sterba <dsterba@suse.com>
The usual bunch of singletons and two doubletons - please see the relevant
changelogs for details.
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Merge tag 'mm-hotfixes-stable-2025-01-04-18-02' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"25 hotfixes. 16 are cc:stable. 18 are MM and 7 are non-MM.
The usual bunch of singletons and two doubletons - please see the
relevant changelogs for details"
* tag 'mm-hotfixes-stable-2025-01-04-18-02' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (25 commits)
MAINTAINERS: change Arınç _NAL's name and email address
scripts/sorttable: fix orc_sort_cmp() to maintain symmetry and transitivity
mm/util: make memdup_user_nul() similar to memdup_user()
mm, madvise: fix potential workingset node list_lru leaks
mm/damon/core: fix ignored quota goals and filters of newly committed schemes
mm/damon/core: fix new damon_target objects leaks on damon_commit_targets()
mm/list_lru: fix false warning of negative counter
vmstat: disable vmstat_work on vmstat_cpu_down_prep()
mm: shmem: fix the update of 'shmem_falloc->nr_unswapped'
mm: shmem: fix incorrect index alignment for within_size policy
percpu: remove intermediate variable in PERCPU_PTR()
mm: zswap: fix race between [de]compression and CPU hotunplug
ocfs2: fix slab-use-after-free due to dangling pointer dqi_priv
fs/proc/task_mmu: fix pagemap flags with PMD THP entries on 32bit
kcov: mark in_softirq_really() as __always_inline
docs: mm: fix the incorrect 'FileHugeMapped' field
mailmap: modify the entry for Mathieu Othacehe
mm/kmemleak: fix sleeping function called from invalid context at print message
mm: hugetlb: independent PMD page table shared count
maple_tree: reload mas before the second call for mas_empty_area
...
If the backlog of listen() is set to zero, sk_acceptq_is_full() allows
one connection to be made, but inet_csk_reqsk_queue_is_full() does not.
When the net.ipv4.tcp_syncookies is zero, inet_csk_reqsk_queue_is_full()
will cause an immediate drop before the sk_acceptq_is_full() check in
tcp_conn_request(), resulting in no connection can be made.
This patch tries to keep consistent with 64a146513f ("[NET]: Revert
incorrect accept queue backlog changes.").
Link: https://lore.kernel.org/netdev/20250102080258.53858-1-kuniyu@amazon.com/
Fixes: ef547f2ac1 ("tcp: remove max_qlen_log")
Signed-off-by: Zhongqiu Duan <dzq.aishenghu0@gmail.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250102171426.915276-1-dzq.aishenghu0@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
two-thirds of our normal weekly fix count, but delaying sending these
until -rc7 seemed like a really bad idea.
AFAIK we have no bugs under investigation. One or two reverts for
stuff for which we haven't gotten a proper fix will likely come in
the next PR.
Including fixes from wireles and netfilter.
Current release - fix to a fix:
- netfilter: nft_set_hash: unaligned atomic read on struct nft_set_ext
- eth: gve: trigger RX NAPI instead of TX NAPI in gve_xsk_wakeup
Previous releases - regressions:
- net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets
- mptcp:
- fix sleeping rcvmsg sleeping forever after bad recvbuffer adjust
- fix TCP options overflow
- prevent excessive coalescing on receive, fix throughput
- net: fix memory leak in tcp_conn_request() if map insertion fails
- wifi: cw1200: fix potential NULL dereference after conversion
to GPIO descriptors
- phy: micrel: dynamically control external clock of KSZ PHY,
fix suspend behavior
Previous releases - always broken:
- af_packet: fix VLAN handling with MSG_PEEK
- net: restrict SO_REUSEPORT to inet sockets
- netdev-genl: avoid empty messages in NAPI get
- dsa: microchip: fix set_ageing_time function on KSZ9477 and LAN937X
- eth: gve: XDP fixes around transmit, queue wakeup etc.
- eth: ti: icssg-prueth: fix firmware load sequence to prevent time
jump which breaks timesync related operations
Misc:
- netlink: specs: mptcp: add missing attr and improve documentation
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireles and netfilter.
Nothing major here. Over the last two weeks we gathered only around
two-thirds of our normal weekly fix count, but delaying sending these
until -rc7 seemed like a really bad idea.
AFAIK we have no bugs under investigation. One or two reverts for
stuff for which we haven't gotten a proper fix will likely come in the
next PR.
Current release - fix to a fix:
- netfilter: nft_set_hash: unaligned atomic read on struct
nft_set_ext
- eth: gve: trigger RX NAPI instead of TX NAPI in gve_xsk_wakeup
Previous releases - regressions:
- net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets
- mptcp:
- fix sleeping rcvmsg sleeping forever after bad recvbuffer adjust
- fix TCP options overflow
- prevent excessive coalescing on receive, fix throughput
- net: fix memory leak in tcp_conn_request() if map insertion fails
- wifi: cw1200: fix potential NULL dereference after conversion to
GPIO descriptors
- phy: micrel: dynamically control external clock of KSZ PHY, fix
suspend behavior
Previous releases - always broken:
- af_packet: fix VLAN handling with MSG_PEEK
- net: restrict SO_REUSEPORT to inet sockets
- netdev-genl: avoid empty messages in NAPI get
- dsa: microchip: fix set_ageing_time function on KSZ9477 and LAN937X
- eth:
- gve: XDP fixes around transmit, queue wakeup etc.
- ti: icssg-prueth: fix firmware load sequence to prevent time
jump which breaks timesync related operations
Misc:
- netlink: specs: mptcp: add missing attr and improve documentation"
* tag 'net-6.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (50 commits)
net: ti: icssg-prueth: Fix clearing of IEP_CMP_CFG registers during iep_init
net: ti: icssg-prueth: Fix firmware load sequence.
mptcp: prevent excessive coalescing on receive
mptcp: don't always assume copied data in mptcp_cleanup_rbuf()
mptcp: fix recvbuffer adjust on sleeping rcvmsg
ila: serialize calls to nf_register_net_hooks()
af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK
af_packet: fix vlan_get_tci() vs MSG_PEEK
net: wwan: iosm: Properly check for valid exec stage in ipc_mmio_init()
net: restrict SO_REUSEPORT to inet sockets
net: reenable NETIF_F_IPV6_CSUM offload for BIG TCP packets
net: sfc: Correct key_len for efx_tc_ct_zone_ht_params
net: wwan: t7xx: Fix FSM command timeout issue
sky2: Add device ID 11ab:4373 for Marvell 88E8075
mptcp: fix TCP options overflow.
net: mv643xx_eth: fix an OF node reference leak
gve: trigger RX NAPI instead of TX NAPI in gve_xsk_wakeup
eth: bcmsysport: fix call balance of priv->clk handling routines
net: llc: reset skb->transport_header
netlink: specs: mptcp: fix missing doc
...
Alot of fixes accumulated over the holiday break:
- Static tool fixes, value is already proven to be NULL, possible integer
overflow
- Many bnxt_re fixes:
* Crashes due to a mismatch in the maximum SGE list size
* Don't waste memory for user QPs by creating kernel-only structures
* Fix compatability issues with older HW in some of the new HW features
recently introduced: RTS->RTS feature, work around 9096
* Do not allow destroy_qp to fail
* Validate QP MTU against device limits
* Add missing validation on madatory QP attributes for RTR->RTS
* Report port_num in query_qp as required by the spec
* Fix creation of QPs of the maximum queue size, and in the variable mode
* Allow all QPs to be used on newer HW by limiting a work around only to
HW it affects
* Use the correct MSN table size for variable mode QPs
* Add missing locking in create_qp() accessing the qp_tbl
* Form WQE buffers correctly when some of the buffers are 0 hop
* Don't crash on QP destroy if the userspace doesn't setup the dip_ctx
* Add the missing QP flush handler call on the DWQE path to avoid
hanging on error recovery
* Consistently use ENXIO for return codes if the devices is fatally errored
- Try again to fix VLAN support on iwarp, previous fix was reverted due to
breaking other cards
- Correct error path return code for rdma netlink events
- Remove the seperate net_device pointer in siw and rxe which syzkaller
found a way to UAF
- Fix a UAF of a stack ib_sge in rtrs
- Fix a regression where old mlx5 devices and FW were wrongly activing
new device features and failing
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Jason Gunthorpe:
"A lot of fixes accumulated over the holiday break:
- Static tool fixes, value is already proven to be NULL, possible
integer overflow
- Many bnxt_re fixes:
- Crashes due to a mismatch in the maximum SGE list size
- Don't waste memory for user QPs by creating kernel-only
structures
- Fix compatability issues with older HW in some of the new HW
features recently introduced: RTS->RTS feature, work around 9096
- Do not allow destroy_qp to fail
- Validate QP MTU against device limits
- Add missing validation on madatory QP attributes for RTR->RTS
- Report port_num in query_qp as required by the spec
- Fix creation of QPs of the maximum queue size, and in the
variable mode
- Allow all QPs to be used on newer HW by limiting a work around
only to HW it affects
- Use the correct MSN table size for variable mode QPs
- Add missing locking in create_qp() accessing the qp_tbl
- Form WQE buffers correctly when some of the buffers are 0 hop
- Don't crash on QP destroy if the userspace doesn't setup the
dip_ctx
- Add the missing QP flush handler call on the DWQE path to avoid
hanging on error recovery
- Consistently use ENXIO for return codes if the devices is
fatally errored
- Try again to fix VLAN support on iwarp, previous fix was reverted
due to breaking other cards
- Correct error path return code for rdma netlink events
- Remove the seperate net_device pointer in siw and rxe which
syzkaller found a way to UAF
- Fix a UAF of a stack ib_sge in rtrs
- Fix a regression where old mlx5 devices and FW were wrongly
activing new device features and failing"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (28 commits)
RDMA/mlx5: Enable multiplane mode only when it is supported
RDMA/bnxt_re: Fix error recovery sequence
RDMA/rtrs: Ensure 'ib_sge list' is accessible
RDMA/rxe: Remove the direct link to net_device
RDMA/hns: Fix missing flush CQE for DWQE
RDMA/hns: Fix warning storm caused by invalid input in IO path
RDMA/hns: Fix accessing invalid dip_ctx during destroying QP
RDMA/hns: Fix mapping error of zero-hop WQE buffer
RDMA/bnxt_re: Fix the locking while accessing the QP table
RDMA/bnxt_re: Fix MSN table size for variable wqe mode
RDMA/bnxt_re: Add send queue size check for variable wqe
RDMA/bnxt_re: Disable use of reserved wqes
RDMA/bnxt_re: Fix max_qp_wrs reported
RDMA/siw: Remove direct link to net_device
RDMA/nldev: Set error code in rdma_nl_notify_event
RDMA/bnxt_re: Fix reporting hw_ver in query_device
RDMA/bnxt_re: Fix to export port num to ib_query_qp
RDMA/bnxt_re: Fix setting mandatory attributes for modify_qp
RDMA/bnxt_re: Add check for path mtu in modify_qp
RDMA/bnxt_re: Fix the check for 9060 condition
...
PHY might already be powered on during ufs_qcom_power_up_sequence() in a
couple of cases:
1. During UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH quirk
2. Resuming from spm_lvl = 5 suspend
In those cases, it is necessary to call phy_power_off() and phy_exit() in
ufs_qcom_power_up_sequence() function to power off the PHY before calling
phy_init() and phy_power_on().
Case (1) is doing it via ufs_qcom_reinit_notify() callback, but case (2) is
not handled. So to satisfy both cases, call phy_power_off() and phy_exit()
if the phy_count is non-zero. And with this change, the reinit_notify()
callback is no longer needed.
This fixes the below UFS resume failure with spm_lvl = 5:
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: Enabling the controller failed
ufshcd-qcom 1d84000.ufshc: ufshcd_host_reset_and_restore: Host init failed -5
ufs_device_wlun 0:0:0:49488: ufshcd_wl_resume failed: -5
ufs_device_wlun 0:0:0:49488: PM: dpm_run_callback(): scsi_bus_resume returns -5
ufs_device_wlun 0:0:0:49488: PM: failed to resume async: error -5
Cc: stable@vger.kernel.org # 6.3
Fixes: baf5ddac90 ("scsi: ufs: ufs-qcom: Add support for reinitializing the UFS device")
Reported-by: Ram Kumar Dwivedi <quic_rdwivedi@quicinc.com>
Tested-by: Amit Pundir <amit.pundir@linaro.org> # on SM8550-HDK
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-QRD
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241219-ufs-qcom-suspend-fix-v3-1-63c4b95a70b9@linaro.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
The folio refcount may be increased unexpectly through try_get_folio() by
caller such as split_huge_pages. In huge_pmd_unshare(), we use refcount
to check whether a pmd page table is shared. The check is incorrect if
the refcount is increased by the above caller, and this can cause the page
table leaked:
BUG: Bad page state in process sh pfn:109324
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x66 pfn:0x109324
flags: 0x17ffff800000000(node=0|zone=2|lastcpupid=0xfffff)
page_type: f2(table)
raw: 017ffff800000000 0000000000000000 0000000000000000 0000000000000000
raw: 0000000000000066 0000000000000000 00000000f2000000 0000000000000000
page dumped because: nonzero mapcount
...
CPU: 31 UID: 0 PID: 7515 Comm: sh Kdump: loaded Tainted: G B 6.13.0-rc2master+ #7
Tainted: [B]=BAD_PAGE
Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
Call trace:
show_stack+0x20/0x38 (C)
dump_stack_lvl+0x80/0xf8
dump_stack+0x18/0x28
bad_page+0x8c/0x130
free_page_is_bad_report+0xa4/0xb0
free_unref_page+0x3cc/0x620
__folio_put+0xf4/0x158
split_huge_pages_all+0x1e0/0x3e8
split_huge_pages_write+0x25c/0x2d8
full_proxy_write+0x64/0xd8
vfs_write+0xcc/0x280
ksys_write+0x70/0x110
__arm64_sys_write+0x24/0x38
invoke_syscall+0x50/0x120
el0_svc_common.constprop.0+0xc8/0xf0
do_el0_svc+0x24/0x38
el0_svc+0x34/0x128
el0t_64_sync_handler+0xc8/0xd0
el0t_64_sync+0x190/0x198
The issue may be triggered by damon, offline_page, page_idle, etc, which
will increase the refcount of page table.
1. The page table itself will be discarded after reporting the
"nonzero mapcount".
2. The HugeTLB page mapped by the page table miss freeing since we
treat the page table as shared and a shared page table will not be
unmapped.
Fix it by introducing independent PMD page table shared count. As
described by comment, pt_index/pt_mm/pt_frag_refcount are used for s390
gmap, x86 pgds and powerpc, pt_share_count is used for x86/arm64/riscv
pmds, so we can reuse the field as pt_share_count.
Link: https://lkml.kernel.org/r/20241216071147.3984217-1-liushixin2@huawei.com
Fixes: 39dde65c99 ("[PATCH] shared page table for hugetlb page")
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Cc: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Ken Chen <kenneth.w.chen@intel.com>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nanyong Sun <sunnanyong@huawei.com>
Cc: Jane Chu <jane.chu@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "mm: reinstate ability to map write-sealed memfd mappings
read-only".
In commit 158978945f ("mm: perform the mapping_map_writable() check
after call_mmap()") (and preceding changes in the same series) it became
possible to mmap() F_SEAL_WRITE sealed memfd mappings read-only.
Commit 5de195060b ("mm: resolve faulty mmap_region() error path
behaviour") unintentionally undid this logic by moving the
mapping_map_writable() check before the shmem_mmap() hook is invoked,
thereby regressing this change.
This series reworks how we both permit write-sealed mappings being mapped
read-only and disallow mprotect() from undoing the write-seal, fixing this
regression.
We also add a regression test to ensure that we do not accidentally
regress this in future.
Thanks to Julian Orth for reporting this regression.
This patch (of 2):
In commit 158978945f ("mm: perform the mapping_map_writable() check
after call_mmap()") (and preceding changes in the same series) it became
possible to mmap() F_SEAL_WRITE sealed memfd mappings read-only.
This was previously unnecessarily disallowed, despite the man page
documentation indicating that it would be, thereby limiting the usefulness
of F_SEAL_WRITE logic.
We fixed this by adapting logic that existed for the F_SEAL_FUTURE_WRITE
seal (one which disallows future writes to the memfd) to also be used for
F_SEAL_WRITE.
For background - the F_SEAL_FUTURE_WRITE seal clears VM_MAYWRITE for a
read-only mapping to disallow mprotect() from overriding the seal - an
operation performed by seal_check_write(), invoked from shmem_mmap(), the
f_op->mmap() hook used by shmem mappings.
By extending this to F_SEAL_WRITE and critically - checking
mapping_map_writable() to determine if we may map the memfd AFTER we
invoke shmem_mmap() - the desired logic becomes possible. This is because
mapping_map_writable() explicitly checks for VM_MAYWRITE, which we will
have cleared.
Commit 5de195060b ("mm: resolve faulty mmap_region() error path
behaviour") unintentionally undid this logic by moving the
mapping_map_writable() check before the shmem_mmap() hook is invoked,
thereby regressing this change.
We reinstate this functionality by moving the check out of shmem_mmap()
and instead performing it in do_mmap() at the point at which VMA flags are
being determined, which seems in any case to be a more appropriate place
in which to make this determination.
In order to achieve this we rework memfd seal logic to allow us access to
this information using existing logic and eliminate the clearing of
VM_MAYWRITE from seal_check_write() which we are performing in do_mmap()
instead.
Link: https://lkml.kernel.org/r/99fc35d2c62bd2e05571cf60d9f8b843c56069e0.1732804776.git.lorenzo.stoakes@oracle.com
Fixes: 5de195060b ("mm: resolve faulty mmap_region() error path behaviour")
Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Reported-by: Julian Orth <ju.orth@gmail.com>
Closes: https://lore.kernel.org/all/CAHijbEUMhvJTN9Xw1GmbM266FXXv=U7s4L_Jem5x3AaPZxrYpQ@mail.gmail.com/
Cc: Jann Horn <jannh@google.com>
Cc: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Before commit:
f5d39b0208 ("freezer,sched: Rewrite core freezer logic")
the frozen task stat was reported as 'D' in cgroup v1.
However, after rewriting the core freezer logic, the frozen task stat is
reported as 'R'. This is confusing, especially when a task with stat of
'S' is frozen.
This bug can be reproduced with these steps:
$ cd /sys/fs/cgroup/freezer/
$ mkdir test
$ sleep 1000 &
[1] 739 // task whose stat is 'S'
$ echo 739 > test/cgroup.procs
$ echo FROZEN > test/freezer.state
$ ps -aux | grep 739
root 739 0.1 0.0 8376 1812 pts/0 R 10:56 0:00 sleep 1000
As shown above, a task whose stat is 'S' was changed to 'R' when it was
frozen.
To solve this regression, simply maintain the same reported state as
before the rewrite.
[ mingo: Enhanced the changelog and comments ]
Fixes: f5d39b0208 ("freezer,sched: Rewrite core freezer logic")
Signed-off-by: Chen Ridong <chenridong@huawei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Michal Koutný <mkoutny@suse.com>
Link: https://lore.kernel.org/r/20241217004818.3200515-1-chenridong@huaweicloud.com
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Merge tag 'nf-24-12-25' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following batch contains one Netfilter fix for net:
1) Fix unaligned atomic read on struct nft_set_ext in nft_set_hash
backend that causes an alignment failure splat on aarch64. This
is related to a recent fix and it has been reported via the
regressions mailing list.
* tag 'nf-24-12-25' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: nft_set_hash: unaligned atomic read on struct nft_set_ext
====================
Link: https://patch.msgid.link/20241224233109.361755-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The rendered version of the MPTCP events [1] looked strange, because the
whole content of the 'doc' was displayed in the same block.
It was then not clear that the first words, not even ended by a period,
were the attributes that are defined when such events are emitted. These
attributes have now been moved to the end, prefixed by 'Attributes:' and
ended with a period. Note that '>-' has been added after 'doc:' to allow
':' in the text below.
The documentation in the UAPI header has been auto-generated by:
./tools/net/ynl/ynl-regen.sh
Link: https://docs.kernel.org/networking/netlink_spec/mptcp_pm.html#event-type [1]
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241221-net-mptcp-netlink-specs-pm-doc-fixes-v2-2-e54f2db3f844@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This attribute is added with the 'created' and 'established' events, but
the documentation didn't mention it.
The documentation in the UAPI header has been auto-generated by:
./tools/net/ynl/ynl-regen.sh
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241221-net-mptcp-netlink-specs-pm-doc-fixes-v2-1-e54f2db3f844@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Add "const" to "char *" in event structure field that gets assigned
literals.
- Check size of input passed into the tracing cpumask file.
If a too large of an input gets passed into the cpumask file, it could
trigger a warning in the bitmask parsing code.
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Merge tag 'trace-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
"Two minor tracing fixes:
- Add "const" to "char *" in event structure field that gets assigned
literals.
- Check size of input passed into the tracing cpumask file.
If a too large of an input gets passed into the cpumask file, it
could trigger a warning in the bitmask parsing code"
* tag 'trace-v6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Prevent bad count for tracing_cpumask_write
tracing: Constify string literal data member in struct trace_event_call
In the cited commit, when changing from switchdev to legacy mode,
uplink representor's netdev is kept, and its profile is replaced with
nic profile, so netdev is detached from old profile, then attach to
new profile.
During profile change, the hardware resources allocated by the old
profile will be cleaned up. However, the cleanup is relying on the
related kernel modules. And they may need to flush themselves first,
which is triggered by netdev events, for example, NETDEV_UNREGISTER.
However, netdev is kept, or netdev_register is called after the
cleanup, which may cause troubles because the resources are still
referred by kernel modules.
The same process applies to all the caes when uplink is leaving
switchdev mode, including devlink eswitch mode set legacy, driver
unload and devlink reload. For the first one, it can be blocked and
returns failure to users, whenever possible. But it's hard for the
others. Besides, the attachment to nic profile is unnecessary as the
netdev will be unregistered anyway for such cases.
So in this patch, the original behavior is kept only for devlink
eswitch set mode legacy. For the others, moves netdev unregistration
before the profile change.
Fixes: 7a9fb35e8c ("net/mlx5e: Do not reload ethernet ports when changing eswitch mode")
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241220081505.1286093-5-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since the dynamic preemption has been enabled for PREEMPT_RT we have now
CONFIG_PREEMPT and CONFIG_PREEMPT_RT set simultaneously. This affects
the vermagic strings which comes now PREEMPT with PREEMPT_RT enabled.
The PREEMPT_RT module usually can not be loaded on a PREEMPT kernel
because some symbols are missing.
However if the symbols are fine then it continues and it crashes later.
The problem is that the struct module has a different layout and the
num_exentries or init members are at a different position leading to a
crash later on. This is not necessary caught by the size check in
elf_validity_cache_index_mod() because the mem member has an alignment
requirement of __module_memory_align which is big enough keep the total
size unchanged. Therefore we should keep the string accurate instead of
removing it.
Move the PREEMPT_RT check before the PREEMPT so that it takes precedence
if both symbols are enabled.
Fixes: 35772d627b ("sched: Enable PREEMPT_DYNAMIC for PREEMPT_RT")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Petr Pavlu <petr.pavlu@suse.com>
Link: https://lore.kernel.org/r/20241205160602.3lIAsJRT@linutronix.de
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
The usual bunch of singletons and doubletons - please see the relevant
changelogs for details.
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Merge tag 'mm-hotfixes-stable-2024-12-21-12-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"25 hotfixes. 16 are cc:stable. 19 are MM and 6 are non-MM.
The usual bunch of singletons and doubletons - please see the relevant
changelogs for details"
* tag 'mm-hotfixes-stable-2024-12-21-12-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (25 commits)
mm: huge_memory: handle strsep not finding delimiter
alloc_tag: fix set_codetag_empty() when !CONFIG_MEM_ALLOC_PROFILING_DEBUG
alloc_tag: fix module allocation tags populated area calculation
mm/codetag: clear tags before swap
mm/vmstat: fix a W=1 clang compiler warning
mm: convert partially_mapped set/clear operations to be atomic
nilfs2: fix buffer head leaks in calls to truncate_inode_pages()
vmalloc: fix accounting with i915
mm/page_alloc: don't call pfn_to_page() on possibly non-existent PFN in split_large_buddy()
fork: avoid inappropriate uprobe access to invalid mm
nilfs2: prevent use of deleted inode
zram: fix uninitialized ZRAM not releasing backing device
zram: refuse to use zero sized block device as backing device
mm: use clear_user_(high)page() for arch with special user folio handling
mm: introduce cpu_icache_is_aliasing() across all architectures
mm: add RCU annotation to pte_offset_map(_lock)
mm: correctly reference merged VMA
mm: use aligned address in copy_user_gigantic_page()
mm: use aligned address in clear_gigantic_page()
mm: shmem: fix ShmemHugePages at swapout
...
- Fix inlining of bpf_get_smp_processor_id helper for !CONFIG_SMP
systems (Andrea Righi)
- Fix BPF USDT selftests helper code to use asm constraint "m"
for LoongArch (Tiezhu Yang)
- Fix BPF selftest compilation error in get_uprobe_offset when
PROCMAP_QUERY is not defined (Jerome Marchand)
- Fix BPF bpf_skb_change_tail helper when used in context of
BPF sockmap to handle negative skb header offsets (Cong Wang)
- Several fixes to BPF sockmap code, among others, in the area
of socket buffer accounting (Levi Zim, Zijian Zhang, Cong Wang)
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Pull BPF fixes from Daniel Borkmann:
- Fix inlining of bpf_get_smp_processor_id helper for !CONFIG_SMP
systems (Andrea Righi)
- Fix BPF USDT selftests helper code to use asm constraint "m" for
LoongArch (Tiezhu Yang)
- Fix BPF selftest compilation error in get_uprobe_offset when
PROCMAP_QUERY is not defined (Jerome Marchand)
- Fix BPF bpf_skb_change_tail helper when used in context of BPF
sockmap to handle negative skb header offsets (Cong Wang)
- Several fixes to BPF sockmap code, among others, in the area of
socket buffer accounting (Levi Zim, Zijian Zhang, Cong Wang)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: Test bpf_skb_change_tail() in TC ingress
selftests/bpf: Introduce socket_helpers.h for TC tests
selftests/bpf: Add a BPF selftest for bpf_skb_change_tail()
bpf: Check negative offsets in __bpf_skb_min_len()
tcp_bpf: Fix copied value in tcp_bpf_sendmsg
skmsg: Return copied bytes in sk_msg_memcopy_from_iter
tcp_bpf: Add sk_rmem_alloc related logic for tcp_bpf ingress redirection
tcp_bpf: Charge receive socket buffer in bpf_tcp_ingress()
selftests/bpf: Fix compilation error in get_uprobe_offset()
selftests/bpf: Use asm constraint "m" for LoongArch
bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP
Fix two issues with the user thermal thresholds feature introduced
in this development cycle (Daniel Lezcano).
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Merge tag 'thermal-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Fix two issues with the user thermal thresholds feature introduced in
this development cycle (Daniel Lezcano)"
* tag 'thermal-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal/thresholds: Fix boundaries and detection routine
thermal/thresholds: Fix uapi header macros leading to a compilation error
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Merge tag 'io_uring-6.13-20241220' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
- Fix for a file ref leak for registered ring fds
- Turn the ->timeout_lock into a raw spinlock, as it nests under the
io-wq lock which is a raw spinlock as it's called from the scheduler
side
- Limit ring resizing to DEFER_TASKRUN for now. We will broaden this in
the future, but for now, ensure that it's only feasible on rings with
a single user
- Add sanity check for io-wq enqueuing
* tag 'io_uring-6.13-20241220' of git://git.kernel.dk/linux:
io_uring: check if iowq is killed before queuing
io_uring/register: limit ring resizing to DEFER_TASKRUN
io_uring: Fix registered ring file refcount leak
io_uring: make ctx->timeout_lock a raw spinlock
netfs: Fix is-caching check in read-retry
The read-retry code checks the NETFS_RREQ_COPY_TO_CACHE flag to determine
if there might be failed reads from the cache that need turning into reads
from the server, with the intention of skipping the complicated part if it
can. The code that set the flag, however, got lost during the read-side
rewrite.
Fix the check to see if the cache_resources are valid instead. The flag
can then be removed.
Fixes: ee4cdf7ba8 ("netfs: Speed up buffered reading")
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://lore.kernel.org/r/3752048.1734381285@warthog.procyon.org.uk
cc: Jeff Layton <jlayton@kernel.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
