| Age | Commit message (Collapse) | Author | Files | Lines |
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Users complained about OOM errors during fork without triggering
compaction. This can be fixed by modifying the flags used in
mas_expected_entries() so that the compaction will be triggered in low
memory situations. Since mas_expected_entries() is only used during fork,
the extra argument does not need to be passed through.
Additionally, the two test_maple_tree test cases and one benchmark test
were altered to use the correct locking type so that allocations would not
trigger sleeping and thus fail. Testing was completed with lockdep atomic
sleep detection.
The additional locking change requires rwsem support additions to the
tools/ directory through the use of pthreads pthread_rwlock_t. With this
change test_maple_tree works in userspace, as a module, and in-kernel.
Users may notice that the system gave up early on attempting to start new
processes instead of attempting to reclaim memory.
Link: https://lkml.kernel.org/r/20230915093243epcms1p46fa00bbac1ab7b7dca94acb66c44c456@epcms1p4
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 54a611b60590 ("Maple Tree: add new data structure")
Signed-off-by: Liam R. Howlett <[email protected]>
Reviewed-by: Peng Zhang <[email protected]>
Cc: <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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Definition for MREMAP_DONTUNMAP is not present in glibc older than 2.32
thus throwing an undeclared error when running make on mm. Including
linux/mman.h solves the build error for people having older glibc.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 0183d777c29a ("selftests: mm: remove duplicate unneeded defines")
Signed-off-by: Samasth Norway Ananda <[email protected]>
Reported-by: Linux Kernel Functional Testing <[email protected]>
Closes: https://lore.kernel.org/linux-mm/CA+G9fYvV-71XqpCr_jhdDfEtN701fBdG3q+=bafaZiGwUXy_aA@mail.gmail.com/
Tested-by: Muhammad Usama Anjum <[email protected]>
Cc: Shuah Khan <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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Ensure the current work email addresses for Oleksij Rempel are preserved
and not overridden by private address. Alias the alternate work email to
the primary work email address.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Oleksij Rempel <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Konrad Dybcio <[email protected]> # qcom
Cc: Mark Brown <[email protected]>
Cc: Qais Yousef <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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I no longer work for BayLibre but many DT bindings have my BL address in
the maintainers entries. Map it to the email address I use for kernel
development.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Bartosz Golaszewski <[email protected]>
Suggested-by: Conor Dooley <[email protected]>
Cc: Bartosz Golaszewski <[email protected]>
Cc: Bjorn Andersson <[email protected]>
Cc: Heiko Stuebner <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Konrad Dybcio <[email protected]> # qcom
Cc: Qais Yousef <[email protected]>
Cc: Stephen Hemminger <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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DAMON_SYSFS can receive DAMOS tried regions update request while kdamond
is already out of the main loop and before_terminate callback
(damon_sysfs_before_terminate() in this case) is not yet called. And
damon_sysfs_handle_cmd() can further be finished before the callback is
invoked. Then, damon_sysfs_before_terminate() unlocks damon_sysfs_lock,
which is not locked by anyone. This happens because the callback function
assumes damon_sysfs_cmd_request_callback() should be called before it.
Check if the assumption was true before doing the unlock, to avoid this
problem.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: f1d13cacabe1 ("mm/damon/sysfs: implement DAMOS tried regions update command")
Signed-off-by: SeongJae Park <[email protected]>
Cc: <[email protected]> [6.2.x]
Signed-off-by: Andrew Morton <[email protected]>
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Update my email-address in MAINTAINERS to <[email protected]>. Also add
.mailmap entries to map my old, now blocked, email address.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Ondrej Jirman <[email protected]>
Cc: Bjorn Andersson <[email protected]>
Cc: Heiko Stuebner <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Konrad Dybcio <[email protected]> # qcom
Cc: Mark Brown <[email protected]>
Cc: Qais Yousef <[email protected]>
Cc: Stephen Hemminger <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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On arm64, building with CONFIG_KASAN_HW_TAGS now causes a compile-time
error:
mm/kasan/report.c: In function 'kasan_non_canonical_hook':
mm/kasan/report.c:637:20: error: 'KASAN_SHADOW_OFFSET' undeclared (first use in this function)
637 | if (addr < KASAN_SHADOW_OFFSET)
| ^~~~~~~~~~~~~~~~~~~
mm/kasan/report.c:637:20: note: each undeclared identifier is reported only once for each function it appears in
mm/kasan/report.c:640:77: error: expected expression before ';' token
640 | orig_addr = (addr - KASAN_SHADOW_OFFSET) << KASAN_SHADOW_SCALE_SHIFT;
This was caused by removing the dependency on CONFIG_KASAN_INLINE that
used to prevent this from happening. Use the more specific dependency
on KASAN_SW_TAGS || KASAN_GENERIC to only ignore the function for hwasan
mode.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 12ec6a919b0f ("kasan: print the original fault addr when access invalid shadow")
Signed-off-by: Arnd Bergmann <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Andrey Konovalov <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Haibo Li <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Vincenzo Frascino <[email protected]>
Cc: AngeloGioacchino Del Regno <[email protected]>
Cc: Matthias Brugger <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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when the checked address is illegal,the corresponding shadow address from
kasan_mem_to_shadow may have no mapping in mmu table. Access such shadow
address causes kernel oops. Here is a sample about oops on arm64(VA
39bit) with KASAN_SW_TAGS and KASAN_OUTLINE on:
[ffffffb80aaaaaaa] pgd=000000005d3ce003, p4d=000000005d3ce003,
pud=000000005d3ce003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 3 PID: 100 Comm: sh Not tainted 6.6.0-rc1-dirty #43
Hardware name: linux,dummy-virt (DT)
pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __hwasan_load8_noabort+0x5c/0x90
lr : do_ib_ob+0xf4/0x110
ffffffb80aaaaaaa is the shadow address for efffff80aaaaaaaa.
The problem is reading invalid shadow in kasan_check_range.
The generic kasan also has similar oops.
It only reports the shadow address which causes oops but not
the original address.
Commit 2f004eea0fc8("x86/kasan: Print original address on #GP")
introduce to kasan_non_canonical_hook but limit it to KASAN_INLINE.
This patch extends it to KASAN_OUTLINE mode.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 2f004eea0fc8("x86/kasan: Print original address on #GP")
Signed-off-by: Haibo Li <[email protected]>
Reviewed-by: Andrey Konovalov <[email protected]>
Cc: Alexander Potapenko <[email protected]>
Cc: Andrey Ryabinin <[email protected]>
Cc: AngeloGioacchino Del Regno <[email protected]>
Cc: Dmitry Vyukov <[email protected]>
Cc: Haibo Li <[email protected]>
Cc: Matthias Brugger <[email protected]>
Cc: Vincenzo Frascino <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Kees Cook <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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Malloc libraries, like jemalloc and tcalloc, take decisions on when to
call madvise independently from the code in the main application.
This sometimes results in the application page faulting on an address,
right after the malloc library has shot down the backing memory with
MADV_DONTNEED.
Usually this is harmless, because we always have some 4kB pages sitting
around to satisfy a page fault. However, with hugetlbfs systems often
allocate only the exact number of huge pages that the application wants.
Due to TLB batching, hugetlbfs MADV_DONTNEED will free pages outside of
any lock taken on the page fault path, which can open up the following
race condition:
CPU 1 CPU 2
MADV_DONTNEED
unmap page
shoot down TLB entry
page fault
fail to allocate a huge page
killed with SIGBUS
free page
Fix that race by pulling the locking from __unmap_hugepage_final_range
into helper functions called from zap_page_range_single. This ensures
page faults stay locked out of the MADV_DONTNEED VMA until the huge pages
have actually been freed.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 04ada095dcfc ("hugetlb: don't delete vma_lock in hugetlb MADV_DONTNEED processing")
Signed-off-by: Rik van Riel <[email protected]>
Reviewed-by: Mike Kravetz <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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Extend the locking scheme used to protect shared hugetlb mappings from
truncate vs page fault races, in order to protect private hugetlb mappings
(with resv_map) against MADV_DONTNEED.
Add a read-write semaphore to the resv_map data structure, and use that
from the hugetlb_vma_(un)lock_* functions, in preparation for closing the
race between MADV_DONTNEED and page faults.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 04ada095dcfc ("hugetlb: don't delete vma_lock in hugetlb MADV_DONTNEED processing")
Signed-off-by: Rik van Riel <[email protected]>
Reviewed-by: Mike Kravetz <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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Patch series "hugetlbfs: close race between MADV_DONTNEED and page fault", v7.
Malloc libraries, like jemalloc and tcalloc, take decisions on when to
call madvise independently from the code in the main application.
This sometimes results in the application page faulting on an address,
right after the malloc library has shot down the backing memory with
MADV_DONTNEED.
Usually this is harmless, because we always have some 4kB pages sitting
around to satisfy a page fault. However, with hugetlbfs systems often
allocate only the exact number of huge pages that the application wants.
Due to TLB batching, hugetlbfs MADV_DONTNEED will free pages outside of
any lock taken on the page fault path, which can open up the following
race condition:
CPU 1 CPU 2
MADV_DONTNEED
unmap page
shoot down TLB entry
page fault
fail to allocate a huge page
killed with SIGBUS
free page
Fix that race by extending the hugetlb_vma_lock locking scheme to also
cover private hugetlb mappings (with resv_map), and pulling the locking
from __unmap_hugepage_final_range into helper functions called from
zap_page_range_single. This ensures page faults stay locked out of the
MADV_DONTNEED VMA until the huge pages have actually been freed.
This patch (of 3):
Hugetlbfs leaves a dangling pointer in the VMA if mmap fails. This has
not been a problem so far, but other code in this patch series tries to
follow that pointer.
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 04ada095dcfc ("hugetlb: don't delete vma_lock in hugetlb MADV_DONTNEED processing")
Signed-off-by: Mike Kravetz <[email protected]>
Signed-off-by: Rik van Riel <[email protected]>
Cc: Matthew Wilcox (Oracle) <[email protected]>
Cc: Muchun Song <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
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When a zswap store fails due to the limit, it acquires a pool reference
and queues the shrinker. When the shrinker runs, it drops the reference.
However, there can be multiple store attempts before the shrinker wakes up
and runs once. This results in reference leaks and eventual saturation
warnings for the pool refcount.
Fix this by dropping the reference again when the shrinker is already
queued. This ensures one reference per shrinker run.
Link: https://lkml.kernel.org/r/[email protected]
Fixes: 45190f01dd40 ("mm/zswap.c: add allocation hysteresis if pool limit is hit")
Signed-off-by: Johannes Weiner <[email protected]>
Reported-by: Chris Mason <[email protected]>
Acked-by: Nhat Pham <[email protected]>
Cc: Vitaly Wool <[email protected]>
Cc: Domenico Cerasuolo <[email protected]>
Cc: <[email protected]> [5.6+]
Signed-off-by: Andrew Morton <[email protected]>
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Ensure that we check the layout pointer and validity after dereferencing
it in ff_layout_mirror_prepare_stats.
Fixes: 08e2e5bc6c9a ("pNFS/flexfiles: Clean up layoutstats")
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
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We are not allowed to call pnfs_mark_matching_lsegs_return() without
also holding a reference to the layout header, since doing so could lead
to the reference count going to zero when we call
pnfs_layout_remove_lseg(). This again can lead to a hang when we get to
nfs4_evict_inode() and are unable to clear the layout pointer.
pnfs_layout_return_unused_byserver() is guilty of this behaviour, and
has been seen to trigger the refcount warning prior to a hang.
Fixes: b6d49ecd1081 ("NFSv4: Fix a pNFS layout related use-after-free race when freeing the inode")
Cc: [email protected]
Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Anna Schumaker <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v6.6
A fairly large set of fixes here but all driver specific, the biggest
block is Johan's work shaking out issues with device setup and teardown
for the wcd938x driver which is a relatively large but clearly broken
down set of changes.
There is one core helper function added as part of a fix for wsa-macro.
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fix from Mark Brown:
"A fix for the npcm-fiu driver in cases where there are no dummy bytes
during reads"
* tag 'spi-fix-v6-6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: npcm-fiu: Fix UMA reads when dummy.nbytes == 0
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap fix from Mark Brown:
"A straightforward fix from Johan for a long standing bug in cases
where we both have regmaps without devices and something is using
dev_get_regmap()"
* tag 'regmap-fix-v6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: fix NULL deref on lookup
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The function vp_modern_map_capability() takes the size parameter,
which corresponds to the size of virtio_pci_common_cfg. As a result,
this indicates the size of memory area to map.
Now the size is the size of virtio_pci_common_cfg, but some feature(such
as the _F_RING_RESET) needs the virtio_pci_modern_common_cfg, so this
commit changes the size to the size of virtio_pci_modern_common_cfg.
Cc: [email protected]
Fixes: 0b50cece0b78 ("virtio_pci: introduce helper to get/set queue reset")
Signed-off-by: Xuan Zhuo <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Acked-by: Jason Wang <[email protected]>
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MST pointed out: config change callback is also handled incorrectly
in this driver, it takes a mutex from interrupt context.
Handle config changed by work queue instead.
Cc: [email protected]
Cc: Gonglei (Arei) <[email protected]>
Cc: Halil Pasic <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Signed-off-by: zhenwei pi <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
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Commit e2ae38cf3d91 ("vhost: fix hung thread due to erroneous iotlb
entries") Forbade vhost iotlb msg with null size to prevent entries
with size = start = 0 and last = ULONG_MAX to end up in the iotlb.
Then commit 95932ab2ea07 ("vhost: allow batching hint without size")
only applied the check for VHOST_IOTLB_UPDATE and VHOST_IOTLB_INVALIDATE
message types to fix a regression observed with batching hit.
Still, the introduction of that check introduced a regression for
some users attempting to invalidate the whole ULONG_MAX range by
setting the size to 0. This is the case with qemu/smmuv3/vhost
integration which does not work anymore. It Looks safe to partially
revert the original commit and allow VHOST_IOTLB_INVALIDATE messages
with null size. vhost_iotlb_del_range() will compute a correct end
iova. Same for vhost_vdpa_iotlb_unmap().
Signed-off-by: Eric Auger <[email protected]>
Fixes: e2ae38cf3d91 ("vhost: fix hung thread due to erroneous iotlb entries")
Cc: [email protected] # v5.17+
Acked-by: Jason Wang <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
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A firmware error is triggered when configuring a 9k MTU on the PF after
switching to switchdev mode and then using a vdpa device with larger
(1k) rings:
mlx5_cmd_out_err: CREATE_GENERAL_OBJECT(0xa00) op_mod(0xd) failed, status bad resource(0x5), syndrome (0xf6db90), err(-22)
This is due to the fact that the hw VQ size parameters are computed
based on the umem_1/2/3_buffer_param_a/b capabilities and all
device capabilities are read only when the driver is moved to switchdev mode.
The problematic configuration flow looks like this:
1) Create VF
2) Unbind VF
3) Switch PF to switchdev mode.
4) Bind VF
5) Set PF MTU to 9k
6) create vDPA device
7) Start VM with vDPA device and 1K queue size
Note that setting the MTU before step 3) doesn't trigger this issue.
This patch reads the forementioned umem parameters at the latest point
possible before the VQs of the device are created.
v2:
- Allocate output with kmalloc to reduce stack frame size.
- Removed stable from cc.
Fixes: 1a86b377aa21 ("vdpa/mlx5: Add VDPA driver for supported mlx5 devices")
Signed-off-by: Dragos Tatulea <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Acked-by: Jason Wang <[email protected]>
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The deflation request to the target, which isn't unaligned to the
guest page size causes endless deflation and inflation actions. For
example, we receive the flooding QMP events for the changes on memory
balloon's size after a deflation request to the unaligned target is
sent for the ARM64 guest, where we have 64KB base page size.
/home/gavin/sandbox/qemu.main/build/qemu-system-aarch64 \
-accel kvm -machine virt,gic-version=host -cpu host \
-smp maxcpus=8,cpus=8,sockets=2,clusters=2,cores=2,threads=1 \
-m 1024M,slots=16,maxmem=64G \
-object memory-backend-ram,id=mem0,size=512M \
-object memory-backend-ram,id=mem1,size=512M \
-numa node,nodeid=0,memdev=mem0,cpus=0-3 \
-numa node,nodeid=1,memdev=mem1,cpus=4-7 \
: \
-device virtio-balloon-pci,id=balloon0,bus=pcie.10
{ "execute" : "balloon", "arguments": { "value" : 1073672192 } }
{"return": {}}
{"timestamp": {"seconds": 1693272173, "microseconds": 88667}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272174, "microseconds": 89704}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272175, "microseconds": 90819}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272176, "microseconds": 91961}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272177, "microseconds": 93040}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073676288}}
{"timestamp": {"seconds": 1693272178, "microseconds": 94117}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073676288}}
{"timestamp": {"seconds": 1693272179, "microseconds": 95337}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272180, "microseconds": 96615}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073676288}}
{"timestamp": {"seconds": 1693272181, "microseconds": 97626}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272182, "microseconds": 98693}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073676288}}
{"timestamp": {"seconds": 1693272183, "microseconds": 99698}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272184, "microseconds": 100727}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272185, "microseconds": 90430}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{"timestamp": {"seconds": 1693272186, "microseconds": 102999}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073676288}}
:
<The similar QMP events repeat>
Fix it by aligning the target up to the guest page size, 64KB in this
specific case. With this applied, no flooding QMP events are observed
and the memory balloon's size can be stablizied to 0x3ffe0000 soon
after the deflation request is sent.
{ "execute" : "balloon", "arguments": { "value" : 1073672192 } }
{"return": {}}
{"timestamp": {"seconds": 1693273328, "microseconds": 793075}, \
"event": "BALLOON_CHANGE", "data": {"actual": 1073610752}}
{ "execute" : "query-balloon" }
{"return": {"actual": 1073610752}}
Cc: [email protected]
Signed-off-by: Gavin Shan <[email protected]>
Tested-by: Zhenyu Zhang <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
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The error path in setup_driver deletes the debugfs entry but doesn't
clear the pointer. During .dev_del the invalid pointer will be released
again causing a crash.
This patch fixes the issue by always clearing the debugfs entry in
mlx5_vdpa_remove_debugfs. Also, stop removing the debugfs entry in
.dev_del op: the debugfs entry is already handled within the
setup_driver/teardown_driver scope.
Cc: [email protected]
Fixes: f0417e72add5 ("vdpa/mlx5: Add and remove debugfs in setup/teardown driver")
Signed-off-by: Dragos Tatulea <[email protected]>
Reviewed-by: Gal Pressman <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Acked-by: Jason Wang <[email protected]>
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With the recent removal of vm_dev from devres its memory is only freed
via the callback virtio_mmio_release_dev. However, this only takes
effect after device_add is called by register_virtio_device. Until then
it's an unmanaged resource and must be explicitly freed on error exit.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Cc: [email protected]
Fixes: 55c91fedd03d ("virtio-mmio: don't break lifecycle of vm_dev")
Signed-off-by: Maximilian Heyne <[email protected]>
Reviewed-by: Catalin Marinas <[email protected]>
Tested-by: Catalin Marinas <[email protected]>
Reviewed-by: Xuan Zhuo <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
Reviewed-by: Wolfram Sang <[email protected]>
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If the shared_buffer allocation fails, need to unregister mgmt_dev first.
Cc: [email protected]
Fixes: abebb16254b36 ("vdpa_sim_blk: support shared backend")
Signed-off-by: Shawn.Shao <[email protected]>
Acked-by: Jason Wang <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>
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If we specify a valid CQ ring address but an invalid SQ ring address,
we'll correctly spot this and free the allocated pages and clear them
to NULL. However, we don't clear the ring page count, and hence will
attempt to free the pages again. We've already cleared the address of
the page array when freeing them, but we don't check for that. This
causes the following crash:
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Oops [#1]
Modules linked in:
CPU: 0 PID: 20 Comm: kworker/u2:1 Not tainted 6.6.0-rc5-dirty #56
Hardware name: ucbbar,riscvemu-bare (DT)
Workqueue: events_unbound io_ring_exit_work
epc : io_pages_free+0x2a/0x58
ra : io_rings_free+0x3a/0x50
epc : ffffffff808811a2 ra : ffffffff80881406 sp : ffff8f80000c3cd0
status: 0000000200000121 badaddr: 0000000000000000 cause: 000000000000000d
[<ffffffff808811a2>] io_pages_free+0x2a/0x58
[<ffffffff80881406>] io_rings_free+0x3a/0x50
[<ffffffff80882176>] io_ring_exit_work+0x37e/0x424
[<ffffffff80027234>] process_one_work+0x10c/0x1f4
[<ffffffff8002756e>] worker_thread+0x252/0x31c
[<ffffffff8002f5e4>] kthread+0xc4/0xe0
[<ffffffff8000332a>] ret_from_fork+0xa/0x1c
Check for a NULL array in io_pages_free(), but also clear the page counts
when we free them to be on the safer side.
Reported-by: [email protected]
Fixes: 03d89a2de25b ("io_uring: support for user allocated memory for rings/sqes")
Cc: [email protected]
Reviewed-by: Jeff Moyer <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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This commit fixes the smatch static checker warning in function
mlxbf_tmfifo_rxtx_word() which complains data not initialized at
line 634 when IS_VRING_DROP() is TRUE.
Signed-off-by: Liming Sun <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
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The data in the max brightness port for iMacs with MMIO gmux incorrectly
reports 0x03ff, but it should be 0xffff. As all other MMIO gmux models
have 0xffff, hard code this for all MMIO gmux's so they all have the
proper brightness range accessible.
Fixes: 0c18184de990 ("platform/x86: apple-gmux: support MMIO gmux on T2 Macs")
Reported-by: Karsten Leipold <[email protected]>
Signed-off-by: Orlando Chamberlain <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Reviewed-by: Hans de Goede <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
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fails
If platform_profile_register() fails, the driver does not propagate
the error, but instead probes successfully. This means when the driver
unbinds, the a warning might be issued by platform_profile_remove().
Fix this by propagating the error back to the caller of
surface_platform_profile_probe().
Compile-tested only.
Fixes: b78b4982d763 ("platform/surface: Add platform profile driver")
Signed-off-by: Armin Wolf <[email protected]>
Reviewed-by: Maximilian Luz <[email protected]>
Tested-by: Maximilian Luz <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Hans de Goede <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes
Few minor fixes for omaps
Regression fixes for mcbsp audio clock, and for ams-delta modem. And two
warning fixes. These all can be merged whenever and are not urgent by any
means. Feel free to defer to the merge window unless other fixes are still
pending.
* tag 'omap-fixes-audio-clock-and-modem-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
clk: ti: Fix missing omap5 mcbsp functional clock and aliases
clk: ti: Fix missing omap4 mcbsp functional clock and aliases
ARM: OMAP1: ams-delta: Fix MODEM initialization failure
ARM: OMAP: timer32K: fix all kernel-doc warnings
ARM: omap2: fix a debug printk
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>
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implements .abort
nf_tables_abort_release() path calls nft_set_elem_destroy() for
NFT_MSG_NEWSETELEM which releases the element, however, a reference to
the element still remains in the working copy.
Fixes: ebd032fa8818 ("netfilter: nf_tables: do not remove elements if set backend implements .abort")
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
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This allows to remove an expired element which is not possible in other
existing set backends, this is more noticeable if gc-interval is high so
expired elements remain in the tree. On-demand gc also does not help in
this case, because this is delete element path. Return NULL if element
has expired.
Fixes: 8d8540c4f5e0 ("netfilter: nft_set_rbtree: add timeout support")
Signed-off-by: Pablo Neira Ayuso <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
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Don't mess with the host's firewall ruleset. Since audit logging is not
per-netns, add an initial delay of a second so other selftests' netns
cleanups have a chance to finish.
Fixes: e8dbde59ca3f ("selftests: netfilter: Test nf_tables audit logging")
Signed-off-by: Phil Sutter <[email protected]>
Signed-off-by: Florian Westphal <[email protected]>
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When resetting multiple objects at once (via dump request), emit a log
message per table (or filled skb) and resurrect the 'entries' parameter
to contain the number of objects being logged for.
To test the skb exhaustion path, perform some bulk counter and quota
adds in the kselftest.
Signed-off-by: Phil Sutter <[email protected]>
Reviewed-by: Richard Guy Briggs <[email protected]>
Acked-by: Paul Moore <[email protected]> (Audit)
Signed-off-by: Florian Westphal <[email protected]>
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acpi_agdi_init() in acpi_arm_init() will register a SDEI event, so
it needs the SDEI subsystem to be initialized (which is done in
acpi_ghes_init()) before the AGDI driver probing.
In commit fcea0ccf4fd7 ("ACPI: bus: Consolidate all arm specific
initialisation into acpi_arm_init()"), the acpi_agdi_init() was
called before acpi_ghes_init() and it causes following failure:
| [ 0.515864] sdei: Failed to create event 1073741825: -5
| [ 0.515866] agdi agdi.0: Failed to register for SDEI event 1073741825
| [ 0.515867] agdi: probe of agdi.0 failed with error -5
| ...
| [ 0.516022] sdei: SDEIv1.0 (0x0) detected in firmware.
Fix it by moving acpi_arm_init() to the place of after
acpi_ghes_init().
Fixes: fcea0ccf4fd7 ("ACPI: bus: Consolidate all arm specific initialisation into acpi_arm_init()")
Reported-by: D Scott Phillips <[email protected]>
Signed-off-by: Hanjun Guo <[email protected]>
Reviewed-by: Sudeep Holla <[email protected]>
Tested-by: D Scott Phillips <[email protected]>
Cc: 6.5+ <[email protected]> # 6.5+
Signed-off-by: Rafael J. Wysocki <[email protected]>
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acpi_register_gsi() should return a negative value in case of failure.
Currently, it returns the return value from irq_create_fwspec_mapping().
However, irq_create_fwspec_mapping() returns 0 for failure. Fix the
issue by returning -EINVAL if irq_create_fwspec_mapping() returns zero.
Fixes: d44fa3d46079 ("ACPI: Add support for ResourceSource/IRQ domain mapping")
Cc: 4.11+ <[email protected]> # 4.11+
Signed-off-by: Sunil V L <[email protected]>
[ rjw: Rename a new local variable ]
Signed-off-by: Rafael J. Wysocki <[email protected]>
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When CONFIG_IPV6=n, and building with W=1:
In file included from include/trace/define_trace.h:102,
from include/trace/events/neigh.h:255,
from net/core/net-traces.c:51:
include/trace/events/neigh.h: In function ‘trace_event_raw_event_neigh_create’:
include/trace/events/neigh.h:42:34: error: variable ‘pin6’ set but not used [-Werror=unused-but-set-variable]
42 | struct in6_addr *pin6;
| ^~~~
include/trace/trace_events.h:402:11: note: in definition of macro ‘DECLARE_EVENT_CLASS’
402 | { assign; } \
| ^~~~~~
include/trace/trace_events.h:44:30: note: in expansion of macro ‘PARAMS’
44 | PARAMS(assign), \
| ^~~~~~
include/trace/events/neigh.h:23:1: note: in expansion of macro ‘TRACE_EVENT’
23 | TRACE_EVENT(neigh_create,
| ^~~~~~~~~~~
include/trace/events/neigh.h:41:9: note: in expansion of macro ‘TP_fast_assign’
41 | TP_fast_assign(
| ^~~~~~~~~~~~~~
In file included from include/trace/define_trace.h:103,
from include/trace/events/neigh.h:255,
from net/core/net-traces.c:51:
include/trace/events/neigh.h: In function ‘perf_trace_neigh_create’:
include/trace/events/neigh.h:42:34: error: variable ‘pin6’ set but not used [-Werror=unused-but-set-variable]
42 | struct in6_addr *pin6;
| ^~~~
include/trace/perf.h:51:11: note: in definition of macro ‘DECLARE_EVENT_CLASS’
51 | { assign; } \
| ^~~~~~
include/trace/trace_events.h:44:30: note: in expansion of macro ‘PARAMS’
44 | PARAMS(assign), \
| ^~~~~~
include/trace/events/neigh.h:23:1: note: in expansion of macro ‘TRACE_EVENT’
23 | TRACE_EVENT(neigh_create,
| ^~~~~~~~~~~
include/trace/events/neigh.h:41:9: note: in expansion of macro ‘TP_fast_assign’
41 | TP_fast_assign(
| ^~~~~~~~~~~~~~
Indeed, the variable pin6 is declared and initialized unconditionally,
while it is only used and needlessly re-initialized when support for
IPv6 is enabled.
Fix this by dropping the unused variable initialization, and moving the
variable declaration inside the existing section protected by a check
for CONFIG_IPV6.
Fixes: fc651001d2c5ca4f ("neighbor: Add tracepoint to __neigh_create")
Signed-off-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Tested-by: Simon Horman <[email protected]> # build-tested
Reviewed-by: David Ahern <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Runtime power management support breaks Intel LTE modem where dmesg dump
showes timeout errors:
```
[ 72.027442] iosm 0000:01:00.0: msg timeout
[ 72.531638] iosm 0000:01:00.0: msg timeout
[ 73.035414] iosm 0000:01:00.0: msg timeout
[ 73.540359] iosm 0000:01:00.0: msg timeout
```
Furthermore, when shutting down with `poweroff` and modem attached, the
system rebooted instead of powering down as expected. The modem works
again only after power cycling.
Revert runtime power management support for IOSM driver as introduced by
commit e4f5073d53be6c ("net: wwan: iosm: enable runtime pm support for
7560").
Fixes: e4f5073d53be ("net: wwan: iosm: enable runtime pm support for 7560")
Reported-by: Martin <[email protected]>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217996
Link: https://lore.kernel.org/r/[email protected]/
Signed-off-by: Bagas Sanjaya <[email protected]>
Reviewed-by: Loic Poulain <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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yield_cpu is a sample of a preempted lock holder that gets propagated
back through the queue. Queued waiters use this to yield to the
preempted lock holder without continually sampling the lock word (which
would defeat the purpose of MCS queueing by bouncing the cache line).
The problem is that yield_cpu can become stale. It can take some time to
be passed down the chain, and if any queued waiter gets preempted then
it will cease to propagate the yield_cpu to later waiters.
This can result in yielding to a CPU that no longer holds the lock,
which is bad, but particularly if it is currently in H_CEDE (idle),
then it appears to be preempted and some hypervisors (PowerVM) can
cause very long H_CONFER latencies waiting for H_CEDE wakeup. This
results in latency spikes and hard lockups on oversubscribed
partitions with lock contention.
This is a minimal fix. Before yielding to yield_cpu, sample the lock
word to confirm yield_cpu is still the owner, and bail out of it is not.
Thanks to a bunch of people who reported this and tracked down the
exact problem using tracepoints and dispatch trace logs.
Fixes: 28db61e207ea ("powerpc/qspinlock: allow propagation of yield CPU down the queue")
Cc: [email protected] # v6.2+
Reported-by: Srikar Dronamraju <[email protected]>
Reported-by: Laurent Dufour <[email protected]>
Reported-by: Shrikanth Hegde <[email protected]>
Debugged-by: "Nysal Jan K.A" <[email protected]>
Signed-off-by: Nicholas Piggin <[email protected]>
Tested-by: Shrikanth Hegde <[email protected]>
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://msgid.link/[email protected]
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Newer Asus laptops send the following new WMI event codes when some
of the F1 - F12 "media" hotkeys are pressed:
0x2a Screen Capture
0x2b PrintScreen
0x2c CapsLock
Map 0x2a to KEY_SELECTIVE_SCREENSHOT mirroring how similar hotkeys
are mapped on other laptops.
PrintScreem and CapsLock are also reported as normal PS/2 keyboard events,
map these event codes to KE_IGNORE to avoid "Unknown key code 0x%x\n" log
messages.
Reported-by: James John <[email protected]>
Closes: https://lore.kernel.org/platform-driver-x86/[email protected]/
Closes: https://bbs.archlinux.org/viewtopic.php?pid=2123716
Signed-off-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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backlight control
Older Asus laptops change the backlight level themselves and then send
WMI events with different codes for different backlight levels.
The asus-wmi.c code maps the entire range of codes reported on
brightness down keypresses to an internal ASUS_WMI_BRN_DOWN code:
define NOTIFY_BRNUP_MIN 0x11
define NOTIFY_BRNUP_MAX 0x1f
define NOTIFY_BRNDOWN_MIN 0x20
define NOTIFY_BRNDOWN_MAX 0x2e
if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
code = ASUS_WMI_BRN_UP;
else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
code = ASUS_WMI_BRN_DOWN;
This mapping is causing issues on new laptop models which actually
send 0x2b events for printscreen presses and 0x2c events for
capslock presses, which get translated into spurious brightness-down
presses.
This mapping is really only necessary when asus-wmi has registered
a backlight-device for backlight control. In this case the mapping
was used to decide to filter out the keypresss since in this case
the firmware has already modified the brightness itself and instead
of reporting a keypress asus-wmi will just report the new brightness
value to userspace.
OTOH when the firmware does not adjust the brightness itself then
it seems to always report 0x2e for brightness-down presses and
0x2f for brightness up presses independent of the actual brightness
level. So in this case the mapping of the code is not necessary
and this translation actually leads to spurious brightness-down
presses being send to userspace when pressing printscreen or capslock.
Modify asus_wmi_handle_event_code() to only do the mapping
when using asus-wmi backlight control to fix the spurious
brightness-down presses.
Reported-by: James John <[email protected]>
Closes: https://lore.kernel.org/platform-driver-x86/[email protected]/
Closes: https://bbs.archlinux.org/viewtopic.php?pid=2123716
Signed-off-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Older Asus laptops change the backlight level themselves and then send
WMI events with different codes for different backlight levels.
The asus-wmi.c code maps the entire range of codes reported on
brightness down keypresses to an internal ASUS_WMI_BRN_DOWN code:
define NOTIFY_BRNUP_MIN 0x11
define NOTIFY_BRNUP_MAX 0x1f
define NOTIFY_BRNDOWN_MIN 0x20
define NOTIFY_BRNDOWN_MAX 0x2e
if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
code = ASUS_WMI_BRN_UP;
else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
code = ASUS_WMI_BRN_DOWN;
Before this commit all the NOTIFY_BRNDOWN_MIN - NOTIFY_BRNDOWN_MAX
aka 0x20 - 0x2e events were mapped to 0x20.
This mapping is causing issues on new laptop models which actually
send 0x2b events for printscreen presses and 0x2c events for
capslock presses, which get translated into spurious brightness-down
presses.
The plan is disable the 0x11-0x2e special mapping on laptops
where asus-wmi does not register a backlight-device to avoid
the spurious brightness-down keypresses. New laptops always send
0x2e for brightness-down presses, change the special internal
ASUS_WMI_BRN_DOWN value from 0x20 to 0x2e to match this in
preparation for fixing the spurious brightness-down presses.
This change does not have any functional impact since all
of 0x20 - 0x2e is mapped to ASUS_WMI_BRN_DOWN first and only
then checked against the keymap code and the new 0x2e
value is still in the 0x20 - 0x2e range.
Reported-by: James John <[email protected]>
Closes: https://lore.kernel.org/platform-driver-x86/[email protected]/
Closes: https://bbs.archlinux.org/viewtopic.php?pid=2123716
Signed-off-by: Hans de Goede <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Device flags are displayed incorrectly:
1) The comparison (i == F_FLOW_SEQ) is always false, because F_FLOW_SEQ
is equal to (1 << FLOW_SEQ_SHIFT) == 2048, and the maximum value
of the 'i' variable is (NR_PKT_FLAG - 1) == 17. It should be compared
with FLOW_SEQ_SHIFT.
2) Similarly to the F_IPSEC flag.
3) Also add spaces to the print end of the string literal "spi:%u"
to prevent the output from merging with the flag that follows.
Found by InfoTeCS on behalf of Linux Verification Center
(linuxtesting.org) with SVACE.
Fixes: 99c6d3d20d62 ("pktgen: Remove brute-force printing of flags")
Signed-off-by: Gavrilov Ilia <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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We found a glitch when configuring the pad as output high. To avoid this
glitch, move the data value setting before direction config in the
function vf610_gpio_direction_output().
Fixes: 659d8a62311f ("gpio: vf610: add imx7ulp support")
Signed-off-by: Haibo Chen <[email protected]>
[Bartosz: tweak the commit message]
Signed-off-by: Bartosz Golaszewski <[email protected]>
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Add flag IRQCHIP_MASK_ON_SUSPEND to make sure gpio irq is masked on
suspend, if lack this flag, current irq arctitecture will not mask
the irq, and these unmasked gpio irq will wrongly wakeup the system
even they are not config as wakeup source.
Also add flag IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND to make sure the gpio
irq which is configed as wakeup source can work as expect.
Fixes: 7f2691a19627 ("gpio: vf610: add gpiolib/IRQ chip driver for Vybrid")
Signed-off-by: Haibo Chen <[email protected]>
Signed-off-by: Bartosz Golaszewski <[email protected]>
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Because someone is a flaming idiot... and forgot we have current as
se->on_rq but not actually in the tree itself, and walking rb_parent()
on an entry not in the tree is 'funky' and KASAN complains.
Fixes: 8dafa9d0eb1a ("sched/eevdf: Fix min_deadline heap integrity")
Reported-by: [email protected]
Reported-by: Dmitry Safonov <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Tested-by: Dmitry Safonov <[email protected]>
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218020
Link: https://lkml.kernel.org/r/CAJwJo6ZGXO07%3DQvW4fgQfbsDzQPs9xj5sAQ1zp%3DmAyPMNbHYww%40mail.gmail.com
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The new sign/verify code broke the case of pkcs1pad without a
hash algorithm. Fix it by setting issig correctly for this case.
Fixes: 63ba4d67594a ("KEYS: asymmetric: Use new crypto interface without scatterlists")
Cc: [email protected] # v6.5
Reported-by: Denis Kenzior <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
Tested-by: Denis Kenzior <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
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If we can't find a free fence register to handle a fault in the GMADR
range just return VM_FAULT_NOPAGE without populating the PTE so that
userspace will retry the access and trigger another fault. Eventually
we should find a free fence and the fault will get properly handled.
A further improvement idea might be to reserve a fence (or one per CPU?)
for the express purpose of handling faults without having to retry. But
that would require some additional work.
Looks like this may have gotten broken originally by
commit 39965b376601 ("drm/i915: don't trash the gtt when running out of fences")
as that changed the errno to -EDEADLK which wasn't handle by the gtt
fault code either. But later in commit 2feeb52859fc ("drm/i915/gt: Fix
-EDEADLK handling regression") I changed it again to -ENOBUFS as -EDEADLK
was now getting used for the ww mutex dance. So this fix only makes
sense after that last commit.
Cc: [email protected]
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/9479
Fixes: 2feeb52859fc ("drm/i915/gt: Fix -EDEADLK handling regression")
Signed-off-by: Ville Syrjälä <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Andi Shyti <[email protected]>
(cherry picked from commit 7f403caabe811b88ab0de3811ff3f4782c415761)
Signed-off-by: Rodrigo Vivi <[email protected]>
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Currently, with MFD/pin assignment D, the driver clears the pipe reset bit
of lane 1 which is not owned by display. This causes the display
to block S0iX.
By not clearing this bit for lane 1 and keeping whatever default, S0ix
started to work. This is already what the driver does at the end
of the phy lane reset sequence (Step#8)
Bspec: 65451
Fixes: 619a06dba6fa ("drm/i915/mtl: Reset only one lane in case of MFD")
Cc: Mika Kahola <[email protected]>
Cc: Gustavo Sousa <[email protected]>
Signed-off-by: Khaled Almahallawy <[email protected]>
Reviewed-by: Gustavo Sousa <[email protected]>
Signed-off-by: Radhakrishna Sripada <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 4a07f063d20c46524f00976f4537de72d9f31c4e)
Signed-off-by: Rodrigo Vivi <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
pull request (net): ipsec 2023-10-17
1) Fix a slab-use-after-free in xfrm_policy_inexact_list_reinsert.
From Dong Chenchen.
2) Fix data-races in the xfrm interfaces dev->stats fields.
From Eric Dumazet.
3) Fix a data-race in xfrm_gen_index.
From Eric Dumazet.
4) Fix an inet6_dev refcount underflow.
From Zhang Changzhong.
5) Check the return value of pskb_trim in esp_remove_trailer
for esp4 and esp6. From Ma Ke.
6) Fix a data-race in xfrm_lookup_with_ifid.
From Eric Dumazet.
* tag 'ipsec-2023-10-17' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec:
xfrm: fix a data-race in xfrm_lookup_with_ifid()
net: ipv4: fix return value check in esp_remove_trailer
net: ipv6: fix return value check in esp_remove_trailer
xfrm6: fix inet6_dev refcount underflow problem
xfrm: fix a data-race in xfrm_gen_index()
xfrm: interface: use DEV_STATS_INC()
net: xfrm: skip policies marked as dead while reinserting policies
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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