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d31638ff6c
1310334 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Phillip Lougher
|
d31638ff6c |
Squashfs: fix variable overflow in squashfs_readpage_block
Syzbot reports a slab out of bounds access in squashfs_readpage_block(). This is caused by an attempt to read page index 0x2000000000. This value (start_index) is stored in an integer loop variable which overflows producing a value of 0. This causes a loop which iterates over pages start_index -> end_index to iterate over 0 -> end_index, which ultimately causes an out of bounds page array access. Fix by changing variable to a loff_t, and rename to index to make it clearer it is a page index, and not a loop count. Link: https://lkml.kernel.org/r/20241020232200.837231-1-phillip@squashfs.org.uk Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk> Reported-by: "Lai, Yi" <yi1.lai@linux.intel.com> Closes: https://lore.kernel.org/all/ZwzcnCAosIPqQ9Ie@ly-workstation/ Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
Andrey Konovalov
|
330d8df81f |
kasan: remove vmalloc_percpu test
Commit |
||
Wladislav Wiebe
|
ece5897e5a |
tools/mm: -Werror fixes in page-types/slabinfo
Commit |
||
Kairui Song
|
5168a68eb7 |
mm, swap: avoid over reclaim of full clusters
When running low on usable slots, cluster allocator will try to reclaim
the full clusters aggressively to reclaim HAS_CACHE slots. This
guarantees that as long as there are any usable slots, HAS_CACHE or not,
the swap device will be usable and workload won't go OOM early.
Before the cluster allocator, swap allocator fails easily if device is
filled up with reclaimable HAS_CACHE slots. Which can be easily
reproduced with following simple program:
#include <stdio.h>
#include <string.h>
#include <linux/mman.h>
#include <sys/mman.h>
#define SIZE 8192UL * 1024UL * 1024UL
int main(int argc, char **argv) {
long tmp;
char *p = mmap(NULL, SIZE, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
memset(p, 0, SIZE);
madvise(p, SIZE, MADV_PAGEOUT);
for (unsigned long i = 0; i < SIZE; ++i)
tmp += p[i];
getchar(); /* Pause */
return 0;
}
Setup an 8G non ramdisk swap, the first run of the program will swapout 8G
ram successfully. But run same program again after the first run paused,
the second run can't swapout all 8G memory as now half of the swap device
is pinned by HAS_CACHE. There was a random scan in the old allocator that
may reclaim part of the HAS_CACHE by luck, but it's unreliable.
The new allocator's added reclaim of full clusters when device is low on
usable slots. But when multiple CPUs are seeing the device is low on
usable slots at the same time, they ran into a thundering herd problem.
This is an observable problem on large machine with mass parallel
workload, as full cluster reclaim is slower on large swap device and
higher number of CPUs will also make things worse.
Testing using a 128G ZRAM on a 48c96t system. When the swap device is
very close to full (eg. 124G / 128G), running build linux kernel with
make -j96 in a 1G memory cgroup will hung (not a softlockup though)
spinning in full cluster reclaim for about ~5min before go OOM.
To solve this, split the full reclaim into two parts:
- Instead of do a synchronous aggressively reclaim when device is low,
do only one aggressively reclaim when device is strictly full with a
kworker. This still ensures in worst case the device won't be unusable
because of HAS_CACHE slots.
- To avoid allocation (especially higher order) suffer from HAS_CACHE
filling up clusters and kworker not responsive enough, do one synchronous
scan every time the free list is drained, and only scan one cluster. This
is kind of similar to the random reclaim before, keeps the full clusters
rotated and has a minimal latency. This should provide a fair reclaim
strategy suitable for most workloads.
Link: https://lkml.kernel.org/r/20241022175512.10398-1-ryncsn@gmail.com
Fixes:
|
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Barry Song
|
b54e1bfecc |
mm: fix PSWPIN counter for large folios swap-in
Similar to PSWPOUT, we should count the number of base pages instead of
large folios.
Link: https://lkml.kernel.org/r/20241023210201.2798-1-21cnbao@gmail.com
Fixes:
|
||
Zi Yan
|
e0fc203748 |
mm: avoid VM_BUG_ON when try to map an anon large folio to zero page.
An anonymous large folio can be split into non order-0 folios,
try_to_map_unused_to_zeropage() should not VM_BUG_ON compound pages but
just return false. This fixes the crash when splitting anonymous large
folios to non order-0 folios.
Link: https://lkml.kernel.org/r/20241023171236.1122535-1-ziy@nvidia.com
Fixes:
|
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Hao Ge
|
f4657e16e7 |
mm/codetag: fix null pointer check logic for ref and tag
When we compile and load lib/slub_kunit.c,it will cause a panic.
The root cause is that __kmalloc_cache_noprof was directly called instead
of kmem_cache_alloc,which resulted in no alloc_tag being allocated.This
caused current->alloc_tag to be null,leading to a null pointer dereference
in alloc_tag_ref_set.
Despite the fact that my colleague Pei Xiao will later fix the code in
slub_kunit.c,we still need fix null pointer check logic for ref and tag to
avoid panic caused by a null pointer dereference.
Here is the log for the panic:
[ 74.779373][ T2158] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020
[ 74.780130][ T2158] Mem abort info:
[ 74.780406][ T2158] ESR = 0x0000000096000004
[ 74.780756][ T2158] EC = 0x25: DABT (current EL), IL = 32 bits
[ 74.781225][ T2158] SET = 0, FnV = 0
[ 74.781529][ T2158] EA = 0, S1PTW = 0
[ 74.781836][ T2158] FSC = 0x04: level 0 translation fault
[ 74.782288][ T2158] Data abort info:
[ 74.782577][ T2158] ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
[ 74.783068][ T2158] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 74.783533][ T2158] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 74.784010][ T2158] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000105f34000
[ 74.784586][ T2158] [0000000000000020] pgd=0000000000000000, p4d=0000000000000000
[ 74.785293][ T2158] Internal error: Oops: 0000000096000004 [#1] SMP
[ 74.785805][ T2158] Modules linked in: slub_kunit kunit ip6t_rpfilter ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle 4
[ 74.790661][ T2158] CPU: 0 UID: 0 PID: 2158 Comm: kunit_try_catch Kdump: loaded Tainted: G W N 6.12.0-rc3+ #2
[ 74.791535][ T2158] Tainted: [W]=WARN, [N]=TEST
[ 74.791889][ T2158] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015
[ 74.792479][ T2158] pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 74.793101][ T2158] pc : alloc_tagging_slab_alloc_hook+0x120/0x270
[ 74.793607][ T2158] lr : alloc_tagging_slab_alloc_hook+0x120/0x270
[ 74.794095][ T2158] sp : ffff800084d33cd0
[ 74.794418][ T2158] x29: ffff800084d33cd0 x28: 0000000000000000 x27: 0000000000000000
[ 74.795095][ T2158] x26: 0000000000000000 x25: 0000000000000012 x24: ffff80007b30e314
[ 74.795822][ T2158] x23: ffff000390ff6f10 x22: 0000000000000000 x21: 0000000000000088
[ 74.796555][ T2158] x20: ffff000390285840 x19: fffffd7fc3ef7830 x18: ffffffffffffffff
[ 74.797283][ T2158] x17: ffff8000800e63b4 x16: ffff80007b33afc4 x15: ffff800081654c00
[ 74.798011][ T2158] x14: 0000000000000000 x13: 205d383531325420 x12: 5b5d383734363537
[ 74.798744][ T2158] x11: ffff800084d337e0 x10: 000000000000005d x9 : 00000000ffffffd0
[ 74.799476][ T2158] x8 : 7f7f7f7f7f7f7f7f x7 : ffff80008219d188 x6 : c0000000ffff7fff
[ 74.800206][ T2158] x5 : ffff0003fdbc9208 x4 : ffff800081edd188 x3 : 0000000000000001
[ 74.800932][ T2158] x2 : 0beaa6dee1ac5a00 x1 : 0beaa6dee1ac5a00 x0 : ffff80037c2cb000
[ 74.801656][ T2158] Call trace:
[ 74.801954][ T2158] alloc_tagging_slab_alloc_hook+0x120/0x270
[ 74.802494][ T2158] __kmalloc_cache_noprof+0x148/0x33c
[ 74.802976][ T2158] test_kmalloc_redzone_access+0x4c/0x104 [slub_kunit]
[ 74.803607][ T2158] kunit_try_run_case+0x70/0x17c [kunit]
[ 74.804124][ T2158] kunit_generic_run_threadfn_adapter+0x2c/0x4c [kunit]
[ 74.804768][ T2158] kthread+0x10c/0x118
[ 74.805141][ T2158] ret_from_fork+0x10/0x20
[ 74.805540][ T2158] Code: b9400a80 11000400 b9000a80 97ffd858 (f94012d3)
[ 74.806176][ T2158] SMP: stopping secondary CPUs
[ 74.808130][ T2158] Starting crashdump kernel...
Link: https://lkml.kernel.org/r/20241020070819.307944-1-hao.ge@linux.dev
Fixes:
|
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John Hubbard
|
aa6f8b2593 |
mm/gup: stop leaking pinned pages in low memory conditions
If a driver tries to call any of the pin_user_pages*(FOLL_LONGTERM) family
of functions, and requests "too many" pages, then the call will
erroneously leave pages pinned. This is visible in user space as an
actual memory leak.
Repro is trivial: just make enough pin_user_pages(FOLL_LONGTERM) calls to
exhaust memory.
The root cause of the problem is this sequence, within
__gup_longterm_locked():
__get_user_pages_locked()
rc = check_and_migrate_movable_pages()
...which gets retried in a loop. The loop error handling is incomplete,
clearly due to a somewhat unusual and complicated tri-state error API.
But anyway, if -ENOMEM, or in fact, any unexpected error is returned from
check_and_migrate_movable_pages(), then __gup_longterm_locked() happily
returns the error, while leaving the pages pinned.
In the failed case, which is an app that requests (via a device driver)
30720000000 bytes to be pinned, and then exits, I see this:
$ grep foll /proc/vmstat
nr_foll_pin_acquired 7502048
nr_foll_pin_released 2048
And after applying this patch, it returns to balanced pins:
$ grep foll /proc/vmstat
nr_foll_pin_acquired 7502048
nr_foll_pin_released 7502048
Note that the child routine, check_and_migrate_movable_folios(), avoids
this problem, by unpinning any folios in the **folios argument, before
returning an error.
Fix this by making check_and_migrate_movable_pages() behave in exactly the
same way as check_and_migrate_movable_folios(): unpin all pages in
**pages, before returning an error.
Also, documentation was an aggravating factor, so:
1) Consolidate the documentation for these two routines, now that they
have identical external behavior.
2) Rewrite the consolidated documentation:
a) Clearly list the three return code cases, and what happens in
each case.
b) Mention that one of the cases unpins the pages or folios, before
returning an error code.
Link: https://lkml.kernel.org/r/20241018223411.310331-1-jhubbard@nvidia.com
Fixes:
|
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|
Barry Song
|
01626a1823 |
mm: avoid unconditional one-tick sleep when swapcache_prepare fails
Commit |
||
Jeff Xu
|
1834300798 |
mseal: update mseal.rst
Pedro Falcato's optimization [1] for checking sealed VMAs, which replaces the can_modify_mm() function with an in-loop check, necessitates an update to the mseal.rst documentation to reflect this change. Furthermore, the document has received offline comments regarding the code sample and suggestions for sentence clarification to enhance reader comprehension. [1] https://lore.kernel.org/linux-mm/20240817-mseal-depessimize-v3-0-d8d2e037df30@gmail.com/ Update doc after in-loop change: mprotect/madvise can have partially updated and munmap is atomic. Fix indentation and clarify some sections to improve readability. Link: https://lkml.kernel.org/r/20241008040942.1478931-2-jeffxu@chromium.org Fixes: |
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Kirill A. Shutemov
|
58a039e679 |
mm: split critical region in remap_file_pages() and invoke LSMs in between
Commit |
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Edward Liaw
|
f2330b650e |
selftests/mm: fix deadlock for fork after pthread_create with atomic_bool
Some additional synchronization is needed on Android ARM64; we see a
deadlock with pthread_create when the parent thread races forward before
the child has a chance to start doing work.
Link: https://lkml.kernel.org/r/20241018171734.2315053-4-edliaw@google.com
Fixes:
|
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|
Edward Liaw
|
3673167a3a |
Revert "selftests/mm: replace atomic_bool with pthread_barrier_t"
This reverts commit |
||
|
Edward Liaw
|
5bb1f4c934 |
Revert "selftests/mm: fix deadlock for fork after pthread_create on ARM"
Patch series "selftests/mm: revert pthread_barrier change" On Android arm, pthread_create followed by a fork caused a deadlock in the case where the fork required work to be completed by the created thread. The previous patches incorrectly assumed that the parent would always initialize the pthread_barrier for the child thread. This reverts the change and replaces the fix for wp-fork-with-event with the original use of atomic_bool. This patch (of 3): This reverts commit |
||
Lorenzo Stoakes
|
e8133a7799 |
tools: testing: add expand-only mode VMA test
Add a test to assert that VMG_FLAG_JUST_EXPAND functions as expected - that is, when the VMA iterator is positioned at the previous VMA and no VMAs proceed it, we observe an expansion with all state as expected. Explicitly place a prior VMA that would otherwise fail this test if the mode were not enabled (as it would traverse to the previous-previous VMA). Link: https://lkml.kernel.org/r/d2f88330254a6448092412bf7dfe077a579ab0dc.1729174352.git.lorenzo.stoakes@oracle.com Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Jann Horn <jannh@google.com> Cc: kernel test robot <oliver.sang@intel.com> Cc: Liam R. Howlett <Liam.Howlett@Oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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|
Lorenzo Stoakes
|
c4d91e225f |
mm/vma: add expand-only VMA merge mode and optimise do_brk_flags()
Patch series "introduce VMA merge mode to improve brk() performance".
A ~5% performance regression was discovered on the
aim9.brk_test.ops_per_sec by the linux kernel test bot [0].
In the past to satisfy brk() performance we duplicated VMA expansion code
and special-cased do_brk_flags(). This is however horrid and undoes work
to abstract this logic, so in resolving the issue I have endeavoured to
avoid this.
Investigating further I was able to observe that the use of a
vma_iter_next_range() and vma_prev() pair, causing an unnecessary maple
tree walk. In addition there is work that we do that is simply
unnecessary for brk().
Therefore, add a special VMA merge mode VMG_FLAG_JUST_EXPAND to avoid
doing any of this - it assumes the VMA iterator is pointing at the
previous VMA and which skips logic that brk() does not require.
This mostly eliminates the performance regression reducing it to ~2% which
is in the realm of noise. In addition, the will-it-scale test brk2,
written to be more representative of real-world brk() usage, shows a
modest performance improvement - which gives me confidence that we are not
meaningfully regressing real workloads here.
This series includes a test asserting that the 'just expand' mode works as
expected.
With many thanks to Oliver Sang for helping with performance testing of
candidate patch sets!
[0]:https://lore.kernel.org/linux-mm/202409301043.629bea78-oliver.sang@intel.com
This patch (of 2):
We know in advance that do_brk_flags() wants only to perform a VMA
expansion (if the prior VMA is compatible), and that we assume no
mergeable VMA follows it.
These are the semantics of this function prior to the recent rewrite of
the VMA merging logic, however we are now doing more work than necessary -
positioning the VMA iterator at the prior VMA and performing tasks that
are not required.
Add a new field to the vmg struct to permit merge flags and add a new
merge flag VMG_FLAG_JUST_EXPAND which implies this behaviour, and have
do_brk_flags() use this.
This fixes a reported performance regression in a brk() benchmarking suite.
Link: https://lkml.kernel.org/r/cover.1729174352.git.lorenzo.stoakes@oracle.com
Link: https://lkml.kernel.org/r/4e65d4395e5841c5acf8470dbcb714016364fd39.1729174352.git.lorenzo.stoakes@oracle.com
Fixes:
|
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Gregory Price
|
b125a0def2 |
resource,kexec: walk_system_ram_res_rev must retain resource flags
walk_system_ram_res_rev() erroneously discards resource flags when passing
the information to the callback.
This causes systems with IORESOURCE_SYSRAM_DRIVER_MANAGED memory to have
these resources selected during kexec to store kexec buffers if that
memory happens to be at placed above normal system ram.
This leads to undefined behavior after reboot. If the kexec buffer is
never touched, nothing happens. If the kexec buffer is touched, it could
lead to a crash (like below) or undefined behavior.
Tested on a system with CXL memory expanders with driver managed memory,
TPM enabled, and CONFIG_IMA_KEXEC=y. Adding printk's showed the flags
were being discarded and as a result the check for
IORESOURCE_SYSRAM_DRIVER_MANAGED passes.
find_next_iomem_res: name(System RAM (kmem))
start(10000000000)
end(1034fffffff)
flags(83000200)
locate_mem_hole_top_down: start(10000000000) end(1034fffffff) flags(0)
[.] BUG: unable to handle page fault for address: ffff89834ffff000
[.] #PF: supervisor read access in kernel mode
[.] #PF: error_code(0x0000) - not-present page
[.] PGD c04c8bf067 P4D c04c8bf067 PUD c04c8be067 PMD 0
[.] Oops: 0000 [#1] SMP
[.] RIP: 0010:ima_restore_measurement_list+0x95/0x4b0
[.] RSP: 0018:ffffc900000d3a80 EFLAGS: 00010286
[.] RAX: 0000000000001000 RBX: 0000000000000000 RCX: ffff89834ffff000
[.] RDX: 0000000000000018 RSI: ffff89834ffff000 RDI: ffff89834ffff018
[.] RBP: ffffc900000d3ba0 R08: 0000000000000020 R09: ffff888132b8a900
[.] R10: 4000000000000000 R11: 000000003a616d69 R12: 0000000000000000
[.] R13: ffffffff8404ac28 R14: 0000000000000000 R15: ffff89834ffff000
[.] FS: 0000000000000000(0000) GS:ffff893d44640000(0000) knlGS:0000000000000000
[.] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[.] ata5: SATA link down (SStatus 0 SControl 300)
[.] CR2: ffff89834ffff000 CR3: 000001034d00f001 CR4: 0000000000770ef0
[.] PKRU: 55555554
[.] Call Trace:
[.] <TASK>
[.] ? __die+0x78/0xc0
[.] ? page_fault_oops+0x2a8/0x3a0
[.] ? exc_page_fault+0x84/0x130
[.] ? asm_exc_page_fault+0x22/0x30
[.] ? ima_restore_measurement_list+0x95/0x4b0
[.] ? template_desc_init_fields+0x317/0x410
[.] ? crypto_alloc_tfm_node+0x9c/0xc0
[.] ? init_ima_lsm+0x30/0x30
[.] ima_load_kexec_buffer+0x72/0xa0
[.] ima_init+0x44/0xa0
[.] __initstub__kmod_ima__373_1201_init_ima7+0x1e/0xb0
[.] ? init_ima_lsm+0x30/0x30
[.] do_one_initcall+0xad/0x200
[.] ? idr_alloc_cyclic+0xaa/0x110
[.] ? new_slab+0x12c/0x420
[.] ? new_slab+0x12c/0x420
[.] ? number+0x12a/0x430
[.] ? sysvec_apic_timer_interrupt+0xa/0x80
[.] ? asm_sysvec_apic_timer_interrupt+0x16/0x20
[.] ? parse_args+0xd4/0x380
[.] ? parse_args+0x14b/0x380
[.] kernel_init_freeable+0x1c1/0x2b0
[.] ? rest_init+0xb0/0xb0
[.] kernel_init+0x16/0x1a0
[.] ret_from_fork+0x2f/0x40
[.] ? rest_init+0xb0/0xb0
[.] ret_from_fork_asm+0x11/0x20
[.] </TASK>
Link: https://lore.kernel.org/all/20231114091658.228030-1-bhe@redhat.com/
Link: https://lkml.kernel.org/r/20241017190347.5578-1-gourry@gourry.net
Fixes:
|
||
Ryusuke Konishi
|
41e192ad27 |
nilfs2: fix kernel bug due to missing clearing of checked flag
Syzbot reported that in directory operations after nilfs2 detects
filesystem corruption and degrades to read-only,
__block_write_begin_int(), which is called to prepare block writes, may
fail the BUG_ON check for accesses exceeding the folio/page size,
triggering a kernel bug.
This was found to be because the "checked" flag of a page/folio was not
cleared when it was discarded by nilfs2's own routine, which causes the
sanity check of directory entries to be skipped when the directory
page/folio is reloaded. So, fix that.
This was necessary when the use of nilfs2's own page discard routine was
applied to more than just metadata files.
Link: https://lkml.kernel.org/r/20241017193359.5051-1-konishi.ryusuke@gmail.com
Fixes:
|
||
Nobuhiro Iwamatsu
|
d95fb348f0 |
mm: numa_clear_kernel_node_hotplug: Add NUMA_NO_NODE check for node id
The acquired memory blocks for reserved may include blocks outside of
memory management. In this case, the nid variable is set to NUMA_NO_NODE
(-1), so an error occurs in node_set(). This adds a check using
numa_valid_node() to numa_clear_kernel_node_hotplug() that skips
node_set() when nid is set to NUMA_NO_NODE.
Link: https://lkml.kernel.org/r/1729070461-13576-1-git-send-email-nobuhiro1.iwamatsu@toshiba.co.jp
Fixes:
|
||
Edward Adam Davis
|
bc0a2f3a73 |
ocfs2: pass u64 to ocfs2_truncate_inline maybe overflow
Syzbot reported a kernel BUG in ocfs2_truncate_inline. There are two
reasons for this: first, the parameter value passed is greater than
ocfs2_max_inline_data_with_xattr, second, the start and end parameters of
ocfs2_truncate_inline are "unsigned int".
So, we need to add a sanity check for byte_start and byte_len right before
ocfs2_truncate_inline() in ocfs2_remove_inode_range(), if they are greater
than ocfs2_max_inline_data_with_xattr return -EINVAL.
Link: https://lkml.kernel.org/r/tencent_D48DB5122ADDAEDDD11918CFB68D93258C07@qq.com
Fixes:
|
||
Jeongjun Park
|
d949d1d14f |
mm: shmem: fix data-race in shmem_getattr()
I got the following KCSAN report during syzbot testing:
==================================================================
BUG: KCSAN: data-race in generic_fillattr / inode_set_ctime_current
write to 0xffff888102eb3260 of 4 bytes by task 6565 on cpu 1:
inode_set_ctime_to_ts include/linux/fs.h:1638 [inline]
inode_set_ctime_current+0x169/0x1d0 fs/inode.c:2626
shmem_mknod+0x117/0x180 mm/shmem.c:3443
shmem_create+0x34/0x40 mm/shmem.c:3497
lookup_open fs/namei.c:3578 [inline]
open_last_lookups fs/namei.c:3647 [inline]
path_openat+0xdbc/0x1f00 fs/namei.c:3883
do_filp_open+0xf7/0x200 fs/namei.c:3913
do_sys_openat2+0xab/0x120 fs/open.c:1416
do_sys_open fs/open.c:1431 [inline]
__do_sys_openat fs/open.c:1447 [inline]
__se_sys_openat fs/open.c:1442 [inline]
__x64_sys_openat+0xf3/0x120 fs/open.c:1442
x64_sys_call+0x1025/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:258
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x54/0x120 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
read to 0xffff888102eb3260 of 4 bytes by task 3498 on cpu 0:
inode_get_ctime_nsec include/linux/fs.h:1623 [inline]
inode_get_ctime include/linux/fs.h:1629 [inline]
generic_fillattr+0x1dd/0x2f0 fs/stat.c:62
shmem_getattr+0x17b/0x200 mm/shmem.c:1157
vfs_getattr_nosec fs/stat.c:166 [inline]
vfs_getattr+0x19b/0x1e0 fs/stat.c:207
vfs_statx_path fs/stat.c:251 [inline]
vfs_statx+0x134/0x2f0 fs/stat.c:315
vfs_fstatat+0xec/0x110 fs/stat.c:341
__do_sys_newfstatat fs/stat.c:505 [inline]
__se_sys_newfstatat+0x58/0x260 fs/stat.c:499
__x64_sys_newfstatat+0x55/0x70 fs/stat.c:499
x64_sys_call+0x141f/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:263
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x54/0x120 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
value changed: 0x2755ae53 -> 0x27ee44d3
Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 3498 Comm: udevd Not tainted 6.11.0-rc6-syzkaller-00326-gd1f2d51b711a-dirty #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
==================================================================
When calling generic_fillattr(), if you don't hold read lock, data-race
will occur in inode member variables, which can cause unexpected
behavior.
Since there is no special protection when shmem_getattr() calls
generic_fillattr(), data-race occurs by functions such as shmem_unlink()
or shmem_mknod(). This can cause unexpected results, so commenting it out
is not enough.
Therefore, when calling generic_fillattr() from shmem_getattr(), it is
appropriate to protect the inode using inode_lock_shared() and
inode_unlock_shared() to prevent data-race.
Link: https://lkml.kernel.org/r/20240909123558.70229-1-aha310510@gmail.com
Fixes:
|
||
Jann Horn
|
14611508cb |
mm: mark mas allocation in vms_abort_munmap_vmas as __GFP_NOFAIL
vms_abort_munmap_vmas() is a recovery path where, on entry, some VMAs have
already been torn down halfway (in a way we can't undo) but are still
present in the maple tree.
At this point, we *must* remove the VMAs from the VMA tree, otherwise we
get UAF.
Because removing VMA tree nodes can require memory allocation, the
existing code has an error path which tries to handle this by reattaching
the VMAs; but that can't be done safely.
A nicer way to fix it would probably be to preallocate enough maple tree
nodes for the removal before the point of no return, or something like
that; but for now, fix it the easy and kinda ugly way, by marking this
allocation __GFP_NOFAIL.
Link: https://lkml.kernel.org/r/20241016-fix-munmap-abort-v1-1-601c94b2240d@google.com
Fixes:
|
||
Sabyrzhan Tasbolatov
|
1db272864f |
x86/traps: move kmsan check after instrumentation_begin
During x86_64 kernel build with CONFIG_KMSAN, the objtool warns following:
AR built-in.a
AR vmlinux.a
LD vmlinux.o
vmlinux.o: warning: objtool: handle_bug+0x4: call to
kmsan_unpoison_entry_regs() leaves .noinstr.text section
OBJCOPY modules.builtin.modinfo
GEN modules.builtin
MODPOST Module.symvers
CC .vmlinux.export.o
Moving kmsan_unpoison_entry_regs() _after_ instrumentation_begin() fixes
the warning.
There is decode_bug(regs->ip, &imm) is left before KMSAN unpoisoining, but
it has the return condition and if we include it after
instrumentation_begin() it results the warning "return with
instrumentation enabled", hence, I'm concerned that regs will not be KMSAN
unpoisoned if `ud_type == BUG_NONE` is true.
Link: https://lkml.kernel.org/r/20241016152407.3149001-1-snovitoll@gmail.com
Fixes:
|
||
Huang Ying
|
b7c5f9a1fb |
resource: remove dependency on SPARSEMEM from GET_FREE_REGION
We want to use the functions (get_free_mem_region()) configured via GET_FREE_REGION in resource kunit tests. However, GET_FREE_REGION depends on SPARSEMEM now. This makes resource kunit tests cannot be built on some architectures lacking SPARSEMEM, or causes config warning as follows, WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [y]: - RESOURCE_KUNIT_TEST [=y] && RUNTIME_TESTING_MENU [=y] && KUNIT [=y] When get_free_mem_region() was introduced the only consumers were those looking to pass the address range to memremap_pages(). That address range needed to be mindful of the maximum addressable platform physical address which at the time only SPARSMEM defined via MAX_PHYSMEM_BITS. Given that memremap_pages() also depended on SPARSEMEM via ZONE_DEVICE, it was easier to just depend on that definition than invent a general MAX_PHYSMEM_BITS concept outside of SPARSEMEM. Turns out that decision was buggy and did not account for KASAN consumption of physical address space. That problem was resolved recently with commit |
||
Liam R. Howlett
|
79f3d123ca |
mm/mmap: fix race in mmap_region() with ftruncate()
Avoiding the zeroing of the vma tree in mmap_region() introduced a race
with truncate in the page table walk. To avoid any races, create a hole
in the rmap during the operation by clearing the pagetable entries earlier
under the mmap write lock and (critically) before the new vma is installed
into the vma tree. The result is that the old vma(s) are left in the vma
tree, but free_pgtables() removes them from the rmap and clears the ptes
while holding the necessary locks.
This change extends the fix required for hugetblfs and the call_mmap()
function by moving the cleanup higher in the function and running it
unconditionally.
Link: https://lkml.kernel.org/r/20241016013455.2241533-1-Liam.Howlett@oracle.com
Fixes:
|
||
Matt Fleming
|
281dd25c1a |
mm/page_alloc: let GFP_ATOMIC order-0 allocs access highatomic reserves
Under memory pressure it's possible for GFP_ATOMIC order-0 allocations to
fail even though free pages are available in the highatomic reserves.
GFP_ATOMIC allocations cannot trigger unreserve_highatomic_pageblock()
since it's only run from reclaim.
Given that such allocations will pass the watermarks in
__zone_watermark_unusable_free(), it makes sense to fallback to highatomic
reserves the same way that ALLOC_OOM can.
This fixes order-0 page allocation failures observed on Cloudflare's fleet
when handling network packets:
kswapd1: page allocation failure: order:0, mode:0x820(GFP_ATOMIC),
nodemask=(null),cpuset=/,mems_allowed=0-7
CPU: 10 PID: 696 Comm: kswapd1 Kdump: loaded Tainted: G O 6.6.43-CUSTOM #1
Hardware name: MACHINE
Call Trace:
<IRQ>
dump_stack_lvl+0x3c/0x50
warn_alloc+0x13a/0x1c0
__alloc_pages_slowpath.constprop.0+0xc9d/0xd10
__alloc_pages+0x327/0x340
__napi_alloc_skb+0x16d/0x1f0
bnxt_rx_page_skb+0x96/0x1b0 [bnxt_en]
bnxt_rx_pkt+0x201/0x15e0 [bnxt_en]
__bnxt_poll_work+0x156/0x2b0 [bnxt_en]
bnxt_poll+0xd9/0x1c0 [bnxt_en]
__napi_poll+0x2b/0x1b0
bpf_trampoline_6442524138+0x7d/0x1000
__napi_poll+0x5/0x1b0
net_rx_action+0x342/0x740
handle_softirqs+0xcf/0x2b0
irq_exit_rcu+0x6c/0x90
sysvec_apic_timer_interrupt+0x72/0x90
</IRQ>
[mfleming@cloudflare.com: update comment]
Link: https://lkml.kernel.org/r/20241015125158.3597702-1-matt@readmodwrite.com
Link: https://lkml.kernel.org/r/20241011120737.3300370-1-matt@readmodwrite.com
Link: https://lore.kernel.org/all/CAGis_TWzSu=P7QJmjD58WWiu3zjMTVKSzdOwWE8ORaGytzWJwQ@mail.gmail.com/
Fixes:
|
||
|
Lorenzo Stoakes
|
985da552a9 |
fork: only invoke khugepaged, ksm hooks if no error
There is no reason to invoke these hooks early against an mm that is in an incomplete state. The change in commit |
||
|
Lorenzo Stoakes
|
f64e67e5d3 |
fork: do not invoke uffd on fork if error occurs
Patch series "fork: do not expose incomplete mm on fork". During fork we may place the virtual memory address space into an inconsistent state before the fork operation is complete. In addition, we may encounter an error during the fork operation that indicates that the virtual memory address space is invalidated. As a result, we should not be exposing it in any way to external machinery that might interact with the mm or VMAs, machinery that is not designed to deal with incomplete state. We specifically update the fork logic to defer khugepaged and ksm to the end of the operation and only to be invoked if no error arose, and disallow uffd from observing fork events should an error have occurred. This patch (of 2): Currently on fork we expose the virtual address space of a process to userland unconditionally if uffd is registered in VMAs, regardless of whether an error arose in the fork. This is performed in dup_userfaultfd_complete() which is invoked unconditionally, and performs two duties - invoking registered handlers for the UFFD_EVENT_FORK event via dup_fctx(), and clearing down userfaultfd_fork_ctx objects established in dup_userfaultfd(). This is problematic, because the virtual address space may not yet be correctly initialised if an error arose. The change in commit |
||
David Hildenbrand
|
7c18d48110 |
mm/pagewalk: fix usage of pmd_leaf()/pud_leaf() without present check
pmd_leaf()/pud_leaf() only implies a pmd_present()/pud_present() check on
some architectures. We really should check for
pmd_present()/pud_present() first.
This should explain the report we got on ppc64 (which has
CONFIG_PGTABLE_HAS_HUGE_LEAVES set in the config) that triggered:
VM_WARN_ON_ONCE(pmd_leaf(pmdp_get_lockless(pmdp)));
Likely we had a PMD migration entry for which pmd_leaf() did not trigger.
We raced with restoring the PMD migration entry, and suddenly saw a
pmd_leaf(). In this case, pte_offset_map_lock() saved us from more
trouble, because it rechecks the PMD value, but we would not have
processed the migration entry -- which is not too bad because the only
user of FW_MIGRATION is KSM for unsharing, and KSM only applies to small
folios.
Further, we shouldn't re-read the PMD/PUD value for our warning, the
primary purpose of the VM_WARN_ON_ONCE() is to find spurious use of
pmd_leaf()/pud_leaf() without CONFIG_PGTABLE_HAS_HUGE_LEAVES.
As a side note, we are currently not implementing FW_MIGRATION support for
PUD migration entries, which likely should exist due to hugetlb. Add a
TODO so this won't fall through the cracks if more FW_MIGRATION users get
added.
Was able to write a quick reproducer and verify that the issue no longer triggers with this fix.
https://gitlab.com/davidhildenbrand/scratchspace/-/blob/main/reproducers/move-pages-pmd-leaf.c
Without this fix after a couple of seconds in a VM with 2 NUMA nodes:
[ 54.333753] ------------[ cut here ]------------
[ 54.334901] WARNING: CPU: 20 PID: 1704 at mm/pagewalk.c:815 folio_walk_start+0x48f/0x6e0
[ 54.336455] Modules linked in: ...
[ 54.345009] CPU: 20 UID: 0 PID: 1704 Comm: move-pages-pmd- Not tainted 6.12.0-rc2+ #81
[ 54.346529] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-2.fc40 04/01/2014
[ 54.348191] RIP: 0010:folio_walk_start+0x48f/0x6e0
[ 54.349134] Code: b5 ad 48 8d 35 00 00 00 00 e8 6d 59 d7 ff e8 08 74 da ff e9 9c fe ff ff 4c 8b 7c 24 08 4c 89 ff e8 26 2b be 00 e9 8a fe ff ff <0f> 0b e9 ec fe ff ff f7 c2 ff 0f 00 00 0f 85 81 fe ff ff 48 8b 02
[ 54.352660] RSP: 0018:ffffb7e4c430bc78 EFLAGS: 00010282
[ 54.353679] RAX: 80000002a3e008e7 RBX: ffff9946039aa580 RCX: ffff994380000000
[ 54.355056] RDX: ffff994606aec000 RSI: 00007f004b000000 RDI: 0000000000000000
[ 54.356440] RBP: 00007f004b000000 R08: 0000000000000591 R09: 0000000000000001
[ 54.357820] R10: 0000000000000200 R11: 0000000000000001 R12: ffffb7e4c430bd10
[ 54.359198] R13: ffff994606aec2c0 R14: 0000000000000002 R15: ffff994604a89b00
[ 54.360564] FS: 00007f004ae006c0(0000) GS:ffff9947f7400000(0000) knlGS:0000000000000000
[ 54.362111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 54.363242] CR2: 00007f004adffe58 CR3: 0000000281e12005 CR4: 0000000000770ef0
[ 54.364615] PKRU: 55555554
[ 54.365153] Call Trace:
[ 54.365646] <TASK>
[ 54.366073] ? __warn.cold+0xb7/0x14d
[ 54.366796] ? folio_walk_start+0x48f/0x6e0
[ 54.367628] ? report_bug+0xff/0x140
[ 54.368324] ? handle_bug+0x58/0x90
[ 54.369019] ? exc_invalid_op+0x17/0x70
[ 54.369771] ? asm_exc_invalid_op+0x1a/0x20
[ 54.370606] ? folio_walk_start+0x48f/0x6e0
[ 54.371415] ? folio_walk_start+0x9e/0x6e0
[ 54.372227] do_pages_move+0x1c5/0x680
[ 54.372972] kernel_move_pages+0x1a1/0x2b0
[ 54.373804] __x64_sys_move_pages+0x25/0x30
Link: https://lkml.kernel.org/r/20241015111236.1290921-1-david@redhat.com
Fixes:
|
||
Linus Torvalds
|
8198375843 | Linux 6.12-rc5 | ||
|
Linus Torvalds
|
ea1fda89f5 |
- Prevent a certain range of pages which get marked as hypervisor-only, to get
allocated to a CoCo (SNP) guest which cannot use them and thus fail booting - Fix the microcode loader on AMD to pay attention to the stepping of a patch and to handle the case where a BIOS config option splits the machine into logical NUMA nodes per L3 cache slice - Disable LAM from being built by default due to security concerns of a various kind -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmceGS0ACgkQEsHwGGHe VUqf4w/+JEzle0DbXRTCB1Gu9ID7mTuEGb3tXjK+UOTy8nXRyAf9BqgyzJeCr3gu 0vCuNzhOTe4sfKb+bNp2yy36/c7RodAGuot1oIWXf8hiMtWCIZ1rcf2zj4GqzSmD FUAPexX/FDkySLQ3FOfTmpDwGgDFe3IH6rMn8ETkwAuZsh2aiYNYlUjq5AZNQjIh Fa3eyYBSpCppdSeVLxzq1fnbFGIg25AYiXRsWzoulwkeARHadvc0lopPIumkUbUw zyYWt1CrcsQTahwSF3Yt2dstve2yWHtbmElH8N4X3dvKsoP2OoVM/glVDWf2yaT+ 3dkh/OrAnqHX8CSZCakPVhpHg5VDZewkzyfMSykge2itu2J5+780Cjq9PJ4A1PV6 oUx/wfhso16Fkn9VhXaMUcO+GJB2uOKCtktCXt6cIBnRQiSR1ka/X7duuEZbdvFA jiVy4KrKYnvqJHlz5GFg3FqfvUWEzFDP8dZNuJb+eqJhHo1C0gWyOYhXd9nZeyF9 ZA5nYTp/mkf9UXhhEYAHV+qnEQYIi4yOXoICQezc5PxCnnxQrJ4+Z1FV1bO0RLN6 FCkqGn2aSwoiUfDfWw899juDO+B+aYqwTPy7gcZBex8qnJYsB1BUyPOcARnE2Wqs 6S3dvm2Uq78mtxBvVSlLpwxV4ZHM9ZbSoAx/sasNuOzdTjMPHS0= =P9TV -----END PGP SIGNATURE----- Merge tag 'x86_urgent_for_v6.12_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Prevent a certain range of pages which get marked as hypervisor-only, to get allocated to a CoCo (SNP) guest which cannot use them and thus fail booting - Fix the microcode loader on AMD to pay attention to the stepping of a patch and to handle the case where a BIOS config option splits the machine into logical NUMA nodes per L3 cache slice - Disable LAM from being built by default due to security concerns * tag 'x86_urgent_for_v6.12_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sev: Ensure that RMP table fixups are reserved x86/microcode/AMD: Split load_microcode_amd() x86/microcode/AMD: Pay attention to the stepping dynamically x86/lam: Disable ADDRESS_MASKING in most cases |
||
|
Linus Torvalds
|
f69a1accfe |
Fixes for function graph:
- Fix missing mutex unlock in error path of register_ftrace_graph() A previous fix added a return on an error path and forgot to unlock the mutex. Instead of dealing with error paths, use guard(mutex) as the mutex is just released at the exit of the function anyway. Other functions in this file should be updated with this, but that's a cleanup and not a fix. - Change cpuhp setup name to be consistent with other cpuhp states The same fix that the above patch fixes added a cpuhp_setup_state() call with the name of "fgraph_idle_init". I was informed that it should instead be something like: "fgraph:online". Update that too. -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZxydTRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qsE/APoDcsqqaDJvQ0OsMqVaPdHoj2IUkU4M yueb6U/Kyq1m4wEA259W1PZuQlM0Vo0yJM1w2YIAH18UpO09ZroLnbWoUAc= =2sS+ -----END PGP SIGNATURE----- Merge tag 'ftrace-v6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull ftrace fixes from Steven Rostedt: - Fix missing mutex unlock in error path of register_ftrace_graph() A previous fix added a return on an error path and forgot to unlock the mutex. Instead of dealing with error paths, use guard(mutex) as the mutex is just released at the exit of the function anyway. Other functions in this file should be updated with this, but that's a cleanup and not a fix. - Change cpuhp setup name to be consistent with other cpuhp states The same fix that the above patch fixes added a cpuhp_setup_state() call with the name of "fgraph_idle_init". I was informed that it should instead be something like: "fgraph:online". Update that too. * tag 'ftrace-v6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: fgraph: Change the name of cpuhp state to "fgraph:online" fgraph: Fix missing unlock in register_ftrace_graph() |
||
|
Linus Torvalds
|
284a2f8996 |
platform-drivers-x86 for v6.12-3
Highlights: - Asus thermal profile fix, fixing performance issues on Lunar Lake - Intel PMC: 1 revert for a lockdep issue + 1 bugfix - Dell WMI: Ignore some WMI events on suspend/resume to silence warnings The following is an automated git shortlog grouped by driver: asus-wmi: - Fix thermal profile initialization dell-wmi: - Ignore suspend notifications intel/pmc: - Revert "Enable the ACPI PM Timer to be turned off when suspended" platform/x86/intel/pmc: - Fix pmc_core_iounmap to call iounmap for valid addresses -----BEGIN PGP SIGNATURE----- iQFIBAABCAAyFiEEuvA7XScYQRpenhd+kuxHeUQDJ9wFAmcc1zAUHGhkZWdvZWRl QHJlZGhhdC5jb20ACgkQkuxHeUQDJ9yNDAgAgHmoIX1Z02pJuNGAnWfWPSU83EUT YdJRIzMBs45dMY+Cuugfe+YbcZttr5C0LIDdYrU28rVaTbNrL6XQlmteC6cTGbMZ kEscXsgnY++IMf8mzNKTrZj7Vm4d3oEWGPkaGoNU6j7fPzF2UU6nPMfjOaKi2h4z DL/SIJNOHptdKf11/U1zhiMJmGFxuvszINGwbpXK4CSamc2K8Cmre/J7O8gyX7wI ZlYlgf+M/Lz7ob9y+e62evg3mzGFyGNkL4SoEPdUrP0OsULdBq0Q9bcJwxklBco8 TxsXr+wvjRcN2krxhB+ZbW1BmQW80JR+7sxht7p5+Wq3EJO5xGIMq15Cbg== =S/K7 -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 Pull x86 platform driver fixes from Hans de Goede: - Asus thermal profile fix, fixing performance issues on Lunar Lake - Intel PMC: one revert for a lockdep issue and one bugfix - Dell WMI: Ignore some WMI events on suspend/resume to silence warnings * tag 'platform-drivers-x86-v6.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: platform/x86: asus-wmi: Fix thermal profile initialization platform/x86: dell-wmi: Ignore suspend notifications platform/x86/intel/pmc: Fix pmc_core_iounmap to call iounmap for valid addresses platform/x86:intel/pmc: Revert "Enable the ACPI PM Timer to be turned off when suspended" |
||
|
Linus Torvalds
|
7bec4657b0 |
firewire fixes for 6.12-rc5
This update includes a single commit to resolve a regression existing in v6.11 or later. The change in 1394 OHCI driver in v6.11 kernel could cause general protection faults when rediscovering nodes in IEEE 1394 bus while holding a spin lock. Consequently, watchdog checks can report a hard lockup. Currently, this issue is observed primarily during the system resume phase when using an extra node with three ports or more is used. However, it could potentially occur in the other cases as well. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQQE66IEYNDXNBPeGKSsLtaWM8LwEwUCZx3k/gAKCRCsLtaWM8Lw E7mlAP9Zw94KE2AvNDwRQrY9hLPkEVSdLZYcfG3zo0wDvLukeAEAh06k+B4ZpkVr KNd9Epb/dcouK6ucUqDlyY/R/64b2A0= =L4mg -----END PGP SIGNATURE----- Merge tag 'firewire-fixes-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394 Pull firewire fix from Takashi Sakamoto: "A single commit to resolve a regression existing in v6.11 or later. The change in 1394 OHCI driver in v6.11 kernel could cause general protection faults when rediscovering nodes in IEEE 1394 bus while holding a spin lock. Consequently, watchdog checks can report a hard lockup. Currently, this issue is observed primarily during the system resume phase when using an extra node with three ports or more is used. However, it could potentially occur in the other cases as well" * tag 'firewire-fixes-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: firewire: core: fix invalid port index for parent device |
||
|
Linus Torvalds
|
75f8b2f526 |
block-6.12-20241026
-----BEGIN PGP SIGNATURE----- iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAmcc66sQHGF4Ym9lQGtl cm5lbC5kawAKCRD301j7KXHgpjplD/9/LUtySoj29m8jF4cTgnysGsuAjqcgNyU+ ykykZPQca+cWVhQzgFHob7N09C4y2gF2h/wokKM2cS8gaWzsSKvRaZBTeiQODJrf yAqG47BRXo6KJIpqT+A+FB0eDgRitCFweq5Is7Jh/rQooqJNvZb6W3hmK/eIfKxM BcY98/v02/eA/hry+IqAUzhoKHASxc/iFJJ8u+lk1fJyNZvQeIgzdy6RJwp/101L hCA1grIQRLJ86hhvbqrrMCmKfZeeuXKvx106YFhRlG0TCpPOGCeYMeqowdH5JlX6 inzt2NfciqncQmnKp8m3DCi2keT7AT+D1QX92JuTBAxa99qkaoqoC6b/EjbAIRpc 0cTR+G13LbyKlUuGMSRxa50EQtG4lkkIj3VlKAkxHPtEqy9y2+mK0JA33myYunTG wzOL8LKl0seLKtC8zHpcBZi5KNZt1MEu7GiibJVFdouje3X/VtDs00KymOboL7Uk W5YmpOSpLa1kh4U1FvdT0U1/xaV0Tb4UB3xjF0Qqhtqe1js1Vq86r5u/aiX3F3oZ 0emqwd/lMCGEzqRY7qeBN0zEj4LLXU/3Lxn6k+1LjX4exxjMaS5loZ6tPq5czxoC M5Qh2JmEP7zLx9hNg6QjOO+cCmLrG/oWCZRyxSsHguNeEgdEdKYZ8yDOPXtKuqkE Qc6YkxIOsQ== =zznR -----END PGP SIGNATURE----- Merge tag 'block-6.12-20241026' of git://git.kernel.dk/linux Pull block fixes from Jens Axboe: - Pull request for MD via Song fixing a few issues - Fix a wrong check in blk_rq_map_user_bvec(), causing IO errors on passthrough IO (Xinyu) * tag 'block-6.12-20241026' of git://git.kernel.dk/linux: block: fix sanity checks in blk_rq_map_user_bvec md/raid10: fix null ptr dereference in raid10_size() md: ensure child flush IO does not affect origin bio->bi_status |
||
|
Linus Torvalds
|
a8b3be2617 |
XFS bug fixes for 6.12-rc5
* fix recovery of allocator ops after a growfs * Do not fail repairs on metadata files with no attr fork Signed-off-by: Carlos Maiolino <cem@kernel.org> -----BEGIN PGP SIGNATURE----- iJUEABMJAB0WIQQMHYkcUKcy4GgPe2RGdaER5QtfpgUCZxjo7gAKCRBGdaER5Qtf pr26AYCUc9+Vlg5iReesrghYHJgeCaMYZm2i4WdNdI+BO8d+5+AA1oUO55ib3xWd fX8A0MEBf32eeMR0E+K0NeKsmHnbGHXyWRg/27IlNRniL4/yldssEFB8X3b7Gkw5 /geUVdz99A== =+NGs -----END PGP SIGNATURE----- Merge tag 'xfs-6.12-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Carlos Maiolino: - Fix recovery of allocator ops after a growfs - Do not fail repairs on metadata files with no attr fork * tag 'xfs-6.12-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: update the pag for the last AG at recovery time xfs: don't use __GFP_RETRY_MAYFAIL in xfs_initialize_perag xfs: error out when a superblock buffer update reduces the agcount xfs: update the file system geometry after recoverying superblock buffers xfs: merge the perag freeing helpers xfs: pass the exact range to initialize to xfs_initialize_perag xfs: don't fail repairs on metadata files with no attr fork |
||
Takashi Sakamoto
|
f6a6780e0b |
firewire: core: fix invalid port index for parent device
In a commit |
||
Armin Wolf
|
b012170fed |
platform/x86: asus-wmi: Fix thermal profile initialization
When support for vivobook fan profiles was added, the initial
call to throttle_thermal_policy_set_default() was removed, which
however is necessary for full initialization.
Fix this by calling throttle_thermal_policy_set_default() again
when setting up the platform profile.
Fixes:
|
||
|
Linus Torvalds
|
850925a813 |
Revert patches causing inode collision problems
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Merge tag '9p-for-6.12-rc5' of https://github.com/martinetd/linux
Pull more 9p reverts from Dominique Martinet:
"Revert patches causing inode collision problems.
The code simplification introduced significant regressions on servers
that do not remap inode numbers when exporting multiple underlying
filesystems with colliding inodes. See the top-most revert (commit
|
||
|
Linus Torvalds
|
c71f8fb4dc |
two fixes for stable
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||
|
Linus Torvalds
|
81dcc79758 |
fuse fixes for 6.12-rc5
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||
|
Linus Torvalds
|
f647053312 |
nfsd-6.12 fixes:
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||
|
Linus Torvalds
|
b423f5a9a6 |
ACPI updates for 6.12-rc5
- Make acpi_parse_prmt() look for EFI_MEMORY_RUNTIME memory regions
only to comply with the UEFI specification and make PRM use
efi_guid_t instead of guid_t to avoid a compiler warning triggered
by that change (Koba Ko, Dan Carpenter).
- Add an ACPI IRQ override quirk for LG 16T90SP (Christian Heusel).
- Add a lid switch detection quirk for Samsung Galaxy Book2 (Shubham
Panwar).
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Merge tag 'acpi-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix an ACPI PRM (Platform Runtime Mechanism) issue and add two
new DMI quirks, one for an ACPI IRQ override and one for lid switch
detection:
- Make acpi_parse_prmt() look for EFI_MEMORY_RUNTIME memory regions
only to comply with the UEFI specification and make PRM use
efi_guid_t instead of guid_t to avoid a compiler warning triggered
by that change (Koba Ko, Dan Carpenter)
- Add an ACPI IRQ override quirk for LG 16T90SP (Christian Heusel)
- Add a lid switch detection quirk for Samsung Galaxy Book2 (Shubham
Panwar)"
* tag 'acpi-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: PRM: Clean up guid type in struct prm_handler_info
ACPI: button: Add DMI quirk for Samsung Galaxy Book2 to fix initial lid detection issue
ACPI: resource: Add LG 16T90SP to irq1_level_low_skip_override[]
ACPI: PRM: Find EFI_MEMORY_RUNTIME block for PRM handler and context
|
||
|
Linus Torvalds
|
8c76163fff |
Power management fixes for 6.12-rc5
Update cpufreq documentation to match the code after recent changes (Christian Loehle), fix a units conversion issue in the CPPC cpufreq driver (liwei), and fix an error check in the dtpm_devfreq power capping driver (Yuan Can). -----BEGIN PGP SIGNATURE----- iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmcbu+YSHHJqd0Byand5 c29ja2kubmV0AAoJEILEb/54YlRxnD8QAKEuSwuaLSppb1lhXgXdab3YjBoMDgGn n3DGX+eo5Yms9hpdDLq95z3I11DlZzSbZeZkXniTjugp46sm3PWQAaXQR4EZOcoh 1UYQ9qEVPBdsdcB/oobxbPDfhF89YanZNzKVWFDaT54QJjXcspfwccutRw2xZhgB Gwl0HdKdpptuD00iKtA5mLuztNxgEGrErAVwuIbcMnn+w5aGiyU57qVJj6GBXmAz 4CBHWEO8fok8jPNIrXCULBkdGddYhoR05S7El6PS/CjiUuOZQAKhqgsGMMqOw4VI Jm0AYa4rGT4nk9/kkklfIvQqprD8x6PyCN63iMadbkT+nXfTP9hn6nYd3zNW5biJ ERTZ7uIIwHkire73XJYyheZqG0xMm0Xox0uMpLvSpldCz/WqOlAkyF5PgFN2O4NX qmXRkdy4RLbAWcIXWjYwlM90uyqR0utHdGf6Yr0bN+FuD2DP807iNCe7ysoozcVO Mp8c2H2crQwoxIVuWorqKSqeVa8Q5jkk9INhFQ5QflLhV3Dz2h5tnG4jlDo3AU0x LNyAURwyPy45q9DYZva1ORGTa+hMausV2MtqZw76Z28RWn6I42kVZcJNCKxOMiob OfeLOZWmIeOZK92g10CuLu94M0Wi+fuRcn1U52srnFfwTBRKhGFNryfszYlk7h+f G/QX3AlNnstH =6+Ra -----END PGP SIGNATURE----- Merge tag 'pm-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull power management fixes from Rafael Wysocki: "Update cpufreq documentation to match the code after recent changes (Christian Loehle), fix a units conversion issue in the CPPC cpufreq driver (liwei), and fix an error check in the dtpm_devfreq power capping driver (Yuan Can)" * tag 'pm-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: CPPC: fix perf_to_khz/khz_to_perf conversion exception powercap: dtpm_devfreq: Fix error check against dev_pm_qos_add_request() cpufreq: docs: Reflect latency changes in docs |
||
|
Linus Torvalds
|
48005a5a74 |
pci-v6.12-fixes-1
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||
|
Linus Torvalds
|
86d6688e60 |
fbdev fixes for 6.12-rc5:
- Fix some build warnings and failures with CONFIG_FB_IOMEM_FOPS and CONFIG_FB_DEVICE - Remove the da8xx fbdev driver - Constify struct sbus_mmap_map and fix indentation warning -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQS86RI+GtKfB8BJu973ErUQojoPXwUCZxu/TwAKCRD3ErUQojoP XwV/AQC8Q0gNXLH2kx5pgtGwtSHkDJYG0NeMgyN4mUWuk7IEugEAhapxyU+7ZsEk ttpTmiNQU8z80SySPmmgy8/v5VSTpQg= =fh1y -----END PGP SIGNATURE----- Merge tag 'fbdev-for-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev Pull fbdev fixes from Helge Deller: - Fix some build warnings and failures with CONFIG_FB_IOMEM_FOPS and CONFIG_FB_DEVICE - Remove the da8xx fbdev driver - Constify struct sbus_mmap_map and fix indentation warning * tag 'fbdev-for-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: fbdev: wm8505fb: select CONFIG_FB_IOMEM_FOPS fbdev: da8xx: remove the driver fbdev: Constify struct sbus_mmap_map fbdev: nvidiafb: fix inconsistent indentation warning fbdev: sstfb: Make CONFIG_FB_DEVICE optional |
||
|
Linus Torvalds
|
f0560f974e |
gpio fixes for v6.12-rc5
- update MAINTAINERS with a keyword pattern for legacy GPIO API -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmcbqQoACgkQEacuoBRx 13ICYw//am8bZWIX+VYx1H790TjQeIkGcuut4NJ1Gxeec9Ry0acR4T0Rkfn0WxO7 5iNBReqAhCgVBwVoh5QPjxyU1a+PBqGGw+TzA5wa2tFRhdSKqnLHsIA22CMbWQgN 7QRssMHJ/4avlFE6Jn4Qgd4S+sxrD8HSNHH6+p7qxT9EgIHuulRXFrRg6+xc9HUJ DsBqC40Mr0hwliuTHrpqXYLFE/e5Icm8KDyJy/laJHoHfPQGwz4anWWBQ/HSXNFs LBi/F+tx47LSjENex1L6u/QwZWNcwYXMLyWOgEEuBHRlspOaQryTY5OfEouGO4XD jRAzYtyjj0TkQTioyH6uuRwgzB5CnAh5eDbjYU7VC/UO3+rzYOURMR9IrM9ylv+r 4V0uM9pFQ9KUEDX+xVG1f+pLcort+NG5mbEtXWlo1PL/xjHbyH2Wy+XVBw6uSmm6 9rbvc1qqGSBGfaG2RZBMFsuVm3UY8DwgQR8hw0mOnRPGopHrCzQjslzMunXGKImX vEbql68WG56nHFTLrXNsGILQ77GG6W293saY2/y5WDjNEaYBWHJGoWZEZctRFXWh pQfhgZ5sLa6rzTNcX92XME8zz7K2y7LesGfJxJ6VXU+FxFXK3gDext0O/SmIOXNH 1XEM8UTAPSZggIo1l7BYqiLnQwx6ar8tf0YzgESaEWWY3WryA48= =AiNK -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fix from Bartosz Golaszewski: "Update MAINTAINERS with a keyword pattern for legacy GPIO API The goal is to alert us to anyone trying to use the deprecated, legacy API (this happens almost every release)" * tag 'gpio-fixes-for-v6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: MAINTAINERS: add a keyword entry for the GPIO subsystem |
||
|
Linus Torvalds
|
7a7aecd9c0 |
ata fix for 6.12-rc5
- Fix the handling of ATA commands that timeout (command that did not
receive a completion interrupt within the configured timeout time).
Commands that timeout, while also having either the FAILFAST flag
set, or the command being a passthrough command, should never be
retried. Restore this behavior (as it was before v6.12-rc1).
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Merge tag 'ata-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fix from Niklas Cassel:
- Fix the handling of ATA commands that timeout (command that did not
receive a completion interrupt within the configured timeout time).
Commands that timeout, while also having either the FAILFAST flag
set, or the command being a passthrough command, should never be
retried. Restore this behavior (as it was before v6.12-rc1).
* tag 'ata-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: libata: Set DID_TIME_OUT for commands that actually timed out
|
||
|
Linus Torvalds
|
01154cc30e |
sound fixes for 6.12-rc5
The majority of changes here are about ASoC. There are two core changes in ASoC (the bump of minimal topology ABI version and the fix for references of components in DAPM code), and others are mostly various device-specific fixes for SoundWire, AMD, Intel, SOF, Qualcomm and FSL, in addition to a few usual HD-audio quirks and fixes. -----BEGIN PGP SIGNATURE----- iQJCBAABCAAsFiEEIXTw5fNLNI7mMiVaLtJE4w1nLE8FAmcbWbMOHHRpd2FpQHN1 c2UuZGUACgkQLtJE4w1nLE/YKxAAt4WhN/98T2y5RBZEpDyDrxFF3TGNhgHO61tv 9zEpOpz2CR4vP7qbImTlzWZ8ehcbqQK3I3xlq/xsD8/nRacUyVO1XX3Zb+SlSYGp Ln6IFiLSnCuJKavEJtoWbEIsg+jhKQCvApq55Yxvxk/PO91Sehx+/LWa0ZeHbVrG ChJRXStBEfUu1eBQL/7oMPkXm7QJYzR3pE4eieom33I4wJXFRHrBtSR4Ldj1kpCJ GQKVqZVkUgFLLzHckJyHTswi2wX1w8H6FWTIQydqK8beHCCEBR3c3PzUQgI5QXwS Hfe2lyvOkK78eAPn8GdAAT1cMdMfAy/iLC78QDGhk117JACOzEU8mRWYS3Dh268a W8iiNYhnTRC/7M6OM+boD7IhCXADlA3wiEwV4n5BtqkjmXkNJDEWxMZrUyk6R/rO csEsARtue3ISClEnU0ih3Ebl3iHCUlzzCkG0bNPkMnw6dRtJyppg9LpBijt7Y6Ep DyaAGFBI5qMcOHIh6A35m8K3d9YwnqhAj/ZdmMLS34r8e96KdBNH4yKo7ftqqHXW eRDCDSjKdeWSfymutwV2jfVLR0e1C77ysL9z1MZgoRfLskjpET3Qp526hIBe+qoG TbGl5VLyZqhRmHwYxdDsAq+XbMm41eHJskg49iOIG3Cru1y30y0or2R1e9r10/eB Ue8Pb1w= =hhTD -----END PGP SIGNATURE----- Merge tag 'sound-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "The majority of changes here are about ASoC. There are two core changes in ASoC (the bump of minimal topology ABI version and the fix for references of components in DAPM code), and others are mostly various device-specific fixes for SoundWire, AMD, Intel, SOF, Qualcomm and FSL, in addition to a few usual HD-audio quirks and fixes" * tag 'sound-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (33 commits) ALSA: hda/realtek: Update default depop procedure ASoC: qcom: sc7280: Fix missing Soundwire runtime stream alloc ASoC: fsl_micfil: Add sample rate constraint ASoC: rt722-sdca: increase clk_stop_timeout to fix clock stop issue ALSA: hda/tas2781: select CRC32 instead of CRC32_SARWATE ALSA: hda/realtek: Add subwoofer quirk for Acer Predator G9-593 ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size() ASoC: fsl_micfil: Add a flag to distinguish with different volume control types ASoC: codecs: lpass-rx-macro: fix RXn(rx,n) macro for DSM_CTL and SEC7 regs ASoC: Change my e-mail to gmail ASoC: Intel: soc-acpi: lnl: Add match entry for TM2 laptops ASoC: amd: yc: Fix non-functional mic on ASUS E1404FA ASoC: SOF: Intel: hda: Always clean up link DMA during stop soundwire: intel_ace2x: Send PDI stream number during prepare ASoC: SOF: Intel: hda: Handle prepare without close for non-HDA DAI's ASoC: SOF: ipc4-topology: Do not set ALH node_id for aggregated DAIs MAINTAINERS: Update maintainer list for MICROCHIP ASOC, SSC and MCP16502 drivers ASoC: qcom: Select missing common Soundwire module code on SDM845 ASoC: fsl_esai: change dev_warn to dev_dbg in irq handler ASoC: rsnd: Fix probe failure on HiHope boards due to endpoint parsing ... |
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Linus Torvalds
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fd143856b0 |
drm fixes for 6.12-rc5
amdgpu: - ACPI method handling fixes - SMU 14.x fixes - Display idle optimization fix - DP link layer compliance fix - SDMA 7.x fix - PSR-SU fix - SWSMU fix i915: - Fix DRM_I915_GVT_KVMGT dependencies in Kconfig xe: - Increase invalidation timeout to avoid errors in some hosts - Flush worker on timeout - Better handling for force wake failure - Improve argument check on user fence creation - Don't restart parallel queues multiple times on GT reset bridge: - aux: Fix assignment of OF node - tc358767: Add missing of_node_put() in error path -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmcbQzgACgkQDHTzWXnE hr7IfQ/+OiFjGAZp6cESUUc+NQAbiFtLUFw2Z6oholsu6gYhq20Zelp80iue2CvM leIl22tvdZbILigfKPCC4Om5lm4ffOesA4OVv5FDugrZ0VSN9eqnN6HYfKkRTwxZ P9sAh59eMCniHsejja1SBY7HuqUIvT+ONE/5jyWb+BObRlZLCg9o9zTaf0KGAtzk OSFQOR9APW08jdtDPvzEVAevC8aPpFR4LMCuuE7U+vINVW7mkm4aliixFm+rnr7y WhHhzy2TCZXUmXiCAIIPITGp0LEE9vWyO3oxtSr570a0/80uK3cpUTGydbFWqr6x mN/5du21JZrkw/RbImNyerKcatxQef+cxYA1cLl64mfRYf+8BcPd/ORVc2h7YJrR YrazB6+QwwUwLhMvls24z180MEZtk7uZ2v6eNfxLseogkJhqRJdLUxAhf9+BE2AV g1VBQjl3dO3XX2nYU67LCn/6/bBtnGoOaoUidr5O1gF1bWfIezCDUes8p0oXjk1X RhIUSUgW5Cy/G8Nodx/XQgVLC/pRfLqwSakb0XquhqVS63pZbeDdx69UNtbON0aN cb/2S2bgFnTN3HYTCrOG243B1BNkusauGEi+ACJfL2GxjTF848NA+K8G8OkpfuPl nAZvi2hMtDpuJEcDiVk0AgutPp2+e+lyeQCbCpERvPbt0/7w/O8= =dyE6 -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2024-10-25' of https://gitlab.freedesktop.org/drm/kernel Pull drm fixes from Dave Airlie: "Weekly drm fixes, mostly amdgpu and xe, with minor bridge and an i915 Kconfig fix. Nothing too scary and it seems to be pretty quiet. amdgpu: - ACPI method handling fixes - SMU 14.x fixes - Display idle optimization fix - DP link layer compliance fix - SDMA 7.x fix - PSR-SU fix - SWSMU fix i915: - Fix DRM_I915_GVT_KVMGT dependencies in Kconfig xe: - Increase invalidation timeout to avoid errors in some hosts - Flush worker on timeout - Better handling for force wake failure - Improve argument check on user fence creation - Don't restart parallel queues multiple times on GT reset bridge: - aux: Fix assignment of OF node - tc358767: Add missing of_node_put() in error path" * tag 'drm-fixes-2024-10-25' of https://gitlab.freedesktop.org/drm/kernel: drm/xe: Don't restart parallel queues multiple times on GT reset drm/xe/ufence: Prefetch ufence addr to catch bogus address drm/xe: Handle unreliable MMIO reads during forcewake drm/xe/guc/ct: Flush g2h worker in case of g2h response timeout drm/xe: Enlarge the invalidation timeout from 150 to 500 drm/amdgpu: handle default profile on on devices without fullscreen 3D drm/amd/display: Disable PSR-SU on Parade 08-01 TCON too drm/amdgpu: fix random data corruption for sdma 7 drm/amd/display: temp w/a for DP Link Layer compliance drm/amd/display: temp w/a for dGPU to enter idle optimizations drm/amd/pm: update deep sleep status on smu v14.0.2/3 drm/amd/pm: update overdrive function on smu v14.0.2/3 drm/amd/pm: update the driver-fw interface file for smu v14.0.2/3 drm/amd: Guard against bad data for ATIF ACPI method drm/bridge: tc358767: fix missing of_node_put() in for_each_endpoint_of_node() drm/bridge: Fix assignment of the of_node of the parent to aux bridge i915: fix DRM_I915_GVT_KVMGT dependencies |