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b4525b6196
1015216 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Claudius Heine
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b4525b6196
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ASoC: tlv320aic32x4: add support for TAS2505
This adds support for TAS2505 and TAS2521 to the tlv320aic32x4 driver. The TAS2505 seems to be a stripped down version of the TLV320AIC32X4 so it makes sense to handle them in the same driver. Signed-off-by: Claudius Heine <ch@denx.de> Link: https://lore.kernel.org/r/20210617085230.1851503-3-ch@denx.de Signed-off-by: Mark Brown <broonie@kernel.org> |
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Claudius Heine
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688d47cdd9
|
ASoC: tlv320aic32x4: add type to device private data struct
While this driver can already handle different device variants, the variant information cannot be used in the driver code and therefor cannot have different code paths depending on the device variant. This change adds a `type` value into the `aic32x4_priv` structure, that contains a device variant identifier, which was set when the driver was bound to the device. Signed-off-by: Claudius Heine <ch@denx.de> Link: https://lore.kernel.org/r/20210617085230.1851503-2-ch@denx.de Signed-off-by: Mark Brown <broonie@kernel.org> |
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Linus Torvalds
|
70585216fe |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "18 patches. Subsystems affected by this patch series: mm (memory-failure, swap, slub, hugetlb, memory-failure, slub, thp, sparsemem), and coredump" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/sparse: fix check_usemap_section_nr warnings mm: thp: replace DEBUG_VM BUG with VM_WARN when unmap fails for split mm/thp: unmap_mapping_page() to fix THP truncate_cleanup_page() mm/thp: fix page_address_in_vma() on file THP tails mm/thp: fix vma_address() if virtual address below file offset mm/thp: try_to_unmap() use TTU_SYNC for safe splitting mm/thp: make is_huge_zero_pmd() safe and quicker mm/thp: fix __split_huge_pmd_locked() on shmem migration entry mm, thp: use head page in __migration_entry_wait() mm/slub.c: include swab.h crash_core, vmcoreinfo: append 'SECTION_SIZE_BITS' to vmcoreinfo mm/memory-failure: make sure wait for page writeback in memory_failure mm/hugetlb: expand restore_reserve_on_error functionality mm/slub: actually fix freelist pointer vs redzoning mm/slub: fix redzoning for small allocations mm/slub: clarify verification reporting mm/swap: fix pte_same_as_swp() not removing uffd-wp bit when compare mm,hwpoison: fix race with hugetlb page allocation |
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Miles Chen
|
ccbd6283a9 |
mm/sparse: fix check_usemap_section_nr warnings
I see a "virt_to_phys used for non-linear address" warning from check_usemap_section_nr() on arm64 platforms. In current implementation of NODE_DATA, if CONFIG_NEED_MULTIPLE_NODES=y, pglist_data is dynamically allocated and assigned to node_data[]. For example, in arch/arm64/include/asm/mmzone.h: extern struct pglist_data *node_data[]; #define NODE_DATA(nid) (node_data[(nid)]) If CONFIG_NEED_MULTIPLE_NODES=n, pglist_data is defined as a global variable named "contig_page_data". For example, in include/linux/mmzone.h: extern struct pglist_data contig_page_data; #define NODE_DATA(nid) (&contig_page_data) If CONFIG_DEBUG_VIRTUAL is not enabled, __pa() can handle both dynamically allocated linear addresses and symbol addresses. However, if (CONFIG_DEBUG_VIRTUAL=y && CONFIG_NEED_MULTIPLE_NODES=n) we can see the "virt_to_phys used for non-linear address" warning because that &contig_page_data is not a linear address on arm64. Warning message: virt_to_phys used for non-linear address: (contig_page_data+0x0/0x1c00) WARNING: CPU: 0 PID: 0 at arch/arm64/mm/physaddr.c:15 __virt_to_phys+0x58/0x68 Modules linked in: CPU: 0 PID: 0 Comm: swapper Tainted: G W 5.13.0-rc1-00074-g1140ab592e2e #3 Hardware name: linux,dummy-virt (DT) pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO BTYPE=--) Call trace: __virt_to_phys+0x58/0x68 check_usemap_section_nr+0x50/0xfc sparse_init_nid+0x1ac/0x28c sparse_init+0x1c4/0x1e0 bootmem_init+0x60/0x90 setup_arch+0x184/0x1f0 start_kernel+0x78/0x488 To fix it, create a small function to handle both translation. Link: https://lkml.kernel.org/r/1623058729-27264-1-git-send-email-miles.chen@mediatek.com Signed-off-by: Miles Chen <miles.chen@mediatek.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Baoquan He <bhe@redhat.com> Cc: Kazu <k-hagio-ab@nec.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Yang Shi
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504e070dc0 |
mm: thp: replace DEBUG_VM BUG with VM_WARN when unmap fails for split
When debugging the bug reported by Wang Yugui [1], try_to_unmap() may fail, but the first VM_BUG_ON_PAGE() just checks page_mapcount() however it may miss the failure when head page is unmapped but other subpage is mapped. Then the second DEBUG_VM BUG() that check total mapcount would catch it. This may incur some confusion. As this is not a fatal issue, so consolidate the two DEBUG_VM checks into one VM_WARN_ON_ONCE_PAGE(). [1] https://lore.kernel.org/linux-mm/20210412180659.B9E3.409509F4@e16-tech.com/ Link: https://lkml.kernel.org/r/d0f0db68-98b8-ebfb-16dc-f29df24cf012@google.com Signed-off-by: Yang Shi <shy828301@gmail.com> Reviewed-by: Zi Yan <ziy@nvidia.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Hugh Dickins <hughd@google.com> Cc: Alistair Popple <apopple@nvidia.com> Cc: Jan Kara <jack@suse.cz> Cc: Jue Wang <juew@google.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Minchan Kim <minchan@kernel.org> Cc: Naoya Horiguchi <naoya.horiguchi@nec.com> Cc: Oscar Salvador <osalvador@suse.de> Cc: Peter Xu <peterx@redhat.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: Shakeel Butt <shakeelb@google.com> Cc: Wang Yugui <wangyugui@e16-tech.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Hugh Dickins
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22061a1ffa |
mm/thp: unmap_mapping_page() to fix THP truncate_cleanup_page()
There is a race between THP unmapping and truncation, when truncate sees
pmd_none() and skips the entry, after munmap's zap_huge_pmd() cleared
it, but before its page_remove_rmap() gets to decrement
compound_mapcount: generating false "BUG: Bad page cache" reports that
the page is still mapped when deleted. This commit fixes that, but not
in the way I hoped.
The first attempt used try_to_unmap(page, TTU_SYNC|TTU_IGNORE_MLOCK)
instead of unmap_mapping_range() in truncate_cleanup_page(): it has
often been an annoyance that we usually call unmap_mapping_range() with
no pages locked, but there apply it to a single locked page.
try_to_unmap() looks more suitable for a single locked page.
However, try_to_unmap_one() contains a VM_BUG_ON_PAGE(!pvmw.pte,page):
it is used to insert THP migration entries, but not used to unmap THPs.
Copy zap_huge_pmd() and add THP handling now? Perhaps, but their TLB
needs are different, I'm too ignorant of the DAX cases, and couldn't
decide how far to go for anon+swap. Set that aside.
The second attempt took a different tack: make no change in truncate.c,
but modify zap_huge_pmd() to insert an invalidated huge pmd instead of
clearing it initially, then pmd_clear() between page_remove_rmap() and
unlocking at the end. Nice. But powerpc blows that approach out of the
water, with its serialize_against_pte_lookup(), and interesting pgtable
usage. It would need serious help to get working on powerpc (with a
minor optimization issue on s390 too). Set that aside.
Just add an "if (page_mapped(page)) synchronize_rcu();" or other such
delay, after unmapping in truncate_cleanup_page()? Perhaps, but though
that's likely to reduce or eliminate the number of incidents, it would
give less assurance of whether we had identified the problem correctly.
This successful iteration introduces "unmap_mapping_page(page)" instead
of try_to_unmap(), and goes the usual unmap_mapping_range_tree() route,
with an addition to details. Then zap_pmd_range() watches for this
case, and does spin_unlock(pmd_lock) if so - just like
page_vma_mapped_walk() now does in the PVMW_SYNC case. Not pretty, but
safe.
Note that unmap_mapping_page() is doing a VM_BUG_ON(!PageLocked) to
assert its interface; but currently that's only used to make sure that
page->mapping is stable, and zap_pmd_range() doesn't care if the page is
locked or not. Along these lines, in invalidate_inode_pages2_range()
move the initial unmap_mapping_range() out from under page lock, before
then calling unmap_mapping_page() under page lock if still mapped.
Link: https://lkml.kernel.org/r/a2a4a148-cdd8-942c-4ef8-51b77f643dbe@google.com
Fixes:
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Jue Wang
|
31657170de |
mm/thp: fix page_address_in_vma() on file THP tails
Anon THP tails were already supported, but memory-failure may need to
use page_address_in_vma() on file THP tails, which its page->mapping
check did not permit: fix it.
hughd adds: no current usage is known to hit the issue, but this does
fix a subtle trap in a general helper: best fixed in stable sooner than
later.
Link: https://lkml.kernel.org/r/a0d9b53-bf5d-8bab-ac5-759dc61819c1@google.com
Fixes:
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Hugh Dickins
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494334e43c |
mm/thp: fix vma_address() if virtual address below file offset
Running certain tests with a DEBUG_VM kernel would crash within hours, on the total_mapcount BUG() in split_huge_page_to_list(), while trying to free up some memory by punching a hole in a shmem huge page: split's try_to_unmap() was unable to find all the mappings of the page (which, on a !DEBUG_VM kernel, would then keep the huge page pinned in memory). When that BUG() was changed to a WARN(), it would later crash on the VM_BUG_ON_VMA(end < vma->vm_start || start >= vma->vm_end, vma) in mm/internal.h:vma_address(), used by rmap_walk_file() for try_to_unmap(). vma_address() is usually correct, but there's a wraparound case when the vm_start address is unusually low, but vm_pgoff not so low: vma_address() chooses max(start, vma->vm_start), but that decides on the wrong address, because start has become almost ULONG_MAX. Rewrite vma_address() to be more careful about vm_pgoff; move the VM_BUG_ON_VMA() out of it, returning -EFAULT for errors, so that it can be safely used from page_mapped_in_vma() and page_address_in_vma() too. Add vma_address_end() to apply similar care to end address calculation, in page_vma_mapped_walk() and page_mkclean_one() and try_to_unmap_one(); though it raises a question of whether callers would do better to supply pvmw->end to page_vma_mapped_walk() - I chose not, for a smaller patch. An irritation is that their apparent generality breaks down on KSM pages, which cannot be located by the page->index that page_to_pgoff() uses: as commit |
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|
Hugh Dickins
|
732ed55823 |
mm/thp: try_to_unmap() use TTU_SYNC for safe splitting
Stressing huge tmpfs often crashed on unmap_page()'s VM_BUG_ON_PAGE
(!unmap_success): with dump_page() showing mapcount:1, but then its raw
struct page output showing _mapcount ffffffff i.e. mapcount 0.
And even if that particular VM_BUG_ON_PAGE(!unmap_success) is removed,
it is immediately followed by a VM_BUG_ON_PAGE(compound_mapcount(head)),
and further down an IS_ENABLED(CONFIG_DEBUG_VM) total_mapcount BUG():
all indicative of some mapcount difficulty in development here perhaps.
But the !CONFIG_DEBUG_VM path handles the failures correctly and
silently.
I believe the problem is that once a racing unmap has cleared pte or
pmd, try_to_unmap_one() may skip taking the page table lock, and emerge
from try_to_unmap() before the racing task has reached decrementing
mapcount.
Instead of abandoning the unsafe VM_BUG_ON_PAGE(), and the ones that
follow, use PVMW_SYNC in try_to_unmap_one() in this case: adding
TTU_SYNC to the options, and passing that from unmap_page().
When CONFIG_DEBUG_VM, or for non-debug too? Consensus is to do the same
for both: the slight overhead added should rarely matter, except perhaps
if splitting sparsely-populated multiply-mapped shmem. Once confident
that bugs are fixed, TTU_SYNC here can be removed, and the race
tolerated.
Link: https://lkml.kernel.org/r/c1e95853-8bcd-d8fd-55fa-e7f2488e78f@google.com
Fixes:
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Hugh Dickins
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3b77e8c8cd |
mm/thp: make is_huge_zero_pmd() safe and quicker
Most callers of is_huge_zero_pmd() supply a pmd already verified
present; but a few (notably zap_huge_pmd()) do not - it might be a pmd
migration entry, in which the pfn is encoded differently from a present
pmd: which might pass the is_huge_zero_pmd() test (though not on x86,
since L1TF forced us to protect against that); or perhaps even crash in
pmd_page() applied to a swap-like entry.
Make it safe by adding pmd_present() check into is_huge_zero_pmd()
itself; and make it quicker by saving huge_zero_pfn, so that
is_huge_zero_pmd() will not need to do that pmd_page() lookup each time.
__split_huge_pmd_locked() checked pmd_trans_huge() before: that worked,
but is unnecessary now that is_huge_zero_pmd() checks present.
Link: https://lkml.kernel.org/r/21ea9ca-a1f5-8b90-5e88-95fb1c49bbfa@google.com
Fixes:
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Hugh Dickins
|
99fa8a4820 |
mm/thp: fix __split_huge_pmd_locked() on shmem migration entry
Patch series "mm/thp: fix THP splitting unmap BUGs and related", v10.
Here is v2 batch of long-standing THP bug fixes that I had not got
around to sending before, but prompted now by Wang Yugui's report
https://lore.kernel.org/linux-mm/20210412180659.B9E3.409509F4@e16-tech.com/
Wang Yugui has tested a rollup of these fixes applied to 5.10.39, and
they have done no harm, but have *not* fixed that issue: something more
is needed and I have no idea of what.
This patch (of 7):
Stressing huge tmpfs page migration racing hole punch often crashed on
the VM_BUG_ON(!pmd_present) in pmdp_huge_clear_flush(), with DEBUG_VM=y
kernel; or shortly afterwards, on a bad dereference in
__split_huge_pmd_locked() when DEBUG_VM=n. They forgot to allow for pmd
migration entries in the non-anonymous case.
Full disclosure: those particular experiments were on a kernel with more
relaxed mmap_lock and i_mmap_rwsem locking, and were not repeated on the
vanilla kernel: it is conceivable that stricter locking happens to avoid
those cases, or makes them less likely; but __split_huge_pmd_locked()
already allowed for pmd migration entries when handling anonymous THPs,
so this commit brings the shmem and file THP handling into line.
And while there: use old_pmd rather than _pmd, as in the following
blocks; and make it clearer to the eye that the !vma_is_anonymous()
block is self-contained, making an early return after accounting for
unmapping.
Link: https://lkml.kernel.org/r/af88612-1473-2eaa-903-8d1a448b26@google.com
Link: https://lkml.kernel.org/r/dd221a99-efb3-cd1d-6256-7e646af29314@google.com
Fixes:
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Xu Yu
|
ffc90cbb29 |
mm, thp: use head page in __migration_entry_wait()
We notice that hung task happens in a corner but practical scenario when
CONFIG_PREEMPT_NONE is enabled, as follows.
Process 0 Process 1 Process 2..Inf
split_huge_page_to_list
unmap_page
split_huge_pmd_address
__migration_entry_wait(head)
__migration_entry_wait(tail)
remap_page (roll back)
remove_migration_ptes
rmap_walk_anon
cond_resched
Where __migration_entry_wait(tail) is occurred in kernel space, e.g.,
copy_to_user in fstat, which will immediately fault again without
rescheduling, and thus occupy the cpu fully.
When there are too many processes performing __migration_entry_wait on
tail page, remap_page will never be done after cond_resched.
This makes __migration_entry_wait operate on the compound head page,
thus waits for remap_page to complete, whether the THP is split
successfully or roll back.
Note that put_and_wait_on_page_locked helps to drop the page reference
acquired with get_page_unless_zero, as soon as the page is on the wait
queue, before actually waiting. So splitting the THP is only prevented
for a brief interval.
Link: https://lkml.kernel.org/r/b9836c1dd522e903891760af9f0c86a2cce987eb.1623144009.git.xuyu@linux.alibaba.com
Fixes:
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Andrew Morton
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1b3865d016 |
mm/slub.c: include swab.h
Fixes build with CONFIG_SLAB_FREELIST_HARDENED=y.
Hopefully. But it's the right thing to do anwyay.
Fixes:
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Pingfan Liu
|
4f5aecdff2 |
crash_core, vmcoreinfo: append 'SECTION_SIZE_BITS' to vmcoreinfo
As mentioned in kernel commit |
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yangerkun
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e8675d291a |
mm/memory-failure: make sure wait for page writeback in memory_failure
Our syzkaller trigger the "BUG_ON(!list_empty(&inode->i_wb_list))" in
clear_inode:
kernel BUG at fs/inode.c:519!
Internal error: Oops - BUG: 0 [#1] SMP
Modules linked in:
Process syz-executor.0 (pid: 249, stack limit = 0x00000000a12409d7)
CPU: 1 PID: 249 Comm: syz-executor.0 Not tainted 4.19.95
Hardware name: linux,dummy-virt (DT)
pstate: 80000005 (Nzcv daif -PAN -UAO)
pc : clear_inode+0x280/0x2a8
lr : clear_inode+0x280/0x2a8
Call trace:
clear_inode+0x280/0x2a8
ext4_clear_inode+0x38/0xe8
ext4_free_inode+0x130/0xc68
ext4_evict_inode+0xb20/0xcb8
evict+0x1a8/0x3c0
iput+0x344/0x460
do_unlinkat+0x260/0x410
__arm64_sys_unlinkat+0x6c/0xc0
el0_svc_common+0xdc/0x3b0
el0_svc_handler+0xf8/0x160
el0_svc+0x10/0x218
Kernel panic - not syncing: Fatal exception
A crash dump of this problem show that someone called __munlock_pagevec
to clear page LRU without lock_page: do_mmap -> mmap_region -> do_munmap
-> munlock_vma_pages_range -> __munlock_pagevec.
As a result memory_failure will call identify_page_state without
wait_on_page_writeback. And after truncate_error_page clear the mapping
of this page. end_page_writeback won't call sb_clear_inode_writeback to
clear inode->i_wb_list. That will trigger BUG_ON in clear_inode!
Fix it by checking PageWriteback too to help determine should we skip
wait_on_page_writeback.
Link: https://lkml.kernel.org/r/20210604084705.3729204-1-yangerkun@huawei.com
Fixes:
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Mike Kravetz
|
846be08578 |
mm/hugetlb: expand restore_reserve_on_error functionality
The routine restore_reserve_on_error is called to restore reservation
information when an error occurs after page allocation. The routine
alloc_huge_page modifies the mapping reserve map and potentially the
reserve count during allocation. If code calling alloc_huge_page
encounters an error after allocation and needs to free the page, the
reservation information needs to be adjusted.
Currently, restore_reserve_on_error only takes action on pages for which
the reserve count was adjusted(HPageRestoreReserve flag). There is
nothing wrong with these adjustments. However, alloc_huge_page ALWAYS
modifies the reserve map during allocation even if the reserve count is
not adjusted. This can cause issues as observed during development of
this patch [1].
One specific series of operations causing an issue is:
- Create a shared hugetlb mapping
Reservations for all pages created by default
- Fault in a page in the mapping
Reservation exists so reservation count is decremented
- Punch a hole in the file/mapping at index previously faulted
Reservation and any associated pages will be removed
- Allocate a page to fill the hole
No reservation entry, so reserve count unmodified
Reservation entry added to map by alloc_huge_page
- Error after allocation and before instantiating the page
Reservation entry remains in map
- Allocate a page to fill the hole
Reservation entry exists, so decrement reservation count
This will cause a reservation count underflow as the reservation count
was decremented twice for the same index.
A user would observe a very large number for HugePages_Rsvd in
/proc/meminfo. This would also likely cause subsequent allocations of
hugetlb pages to fail as it would 'appear' that all pages are reserved.
This sequence of operations is unlikely to happen, however they were
easily reproduced and observed using hacked up code as described in [1].
Address the issue by having the routine restore_reserve_on_error take
action on pages where HPageRestoreReserve is not set. In this case, we
need to remove any reserve map entry created by alloc_huge_page. A new
helper routine vma_del_reservation assists with this operation.
There are three callers of alloc_huge_page which do not currently call
restore_reserve_on error before freeing a page on error paths. Add
those missing calls.
[1] https://lore.kernel.org/linux-mm/20210528005029.88088-1-almasrymina@google.com/
Link: https://lkml.kernel.org/r/20210607204510.22617-1-mike.kravetz@oracle.com
Fixes:
|
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Kees Cook
|
e41a49fadb |
mm/slub: actually fix freelist pointer vs redzoning
It turns out that SLUB redzoning ("slub_debug=Z") checks from
s->object_size rather than from s->inuse (which is normally bumped to
make room for the freelist pointer), so a cache created with an object
size less than 24 would have the freelist pointer written beyond
s->object_size, causing the redzone to be corrupted by the freelist
pointer. This was very visible with "slub_debug=ZF":
BUG test (Tainted: G B ): Right Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff957ead1c05de-0xffff957ead1c05df @offset=1502. First byte 0x1a instead of 0xbb
INFO: Slab 0xffffef3950b47000 objects=170 used=170 fp=0x0000000000000000 flags=0x8000000000000200
INFO: Object 0xffff957ead1c05d8 @offset=1496 fp=0xffff957ead1c0620
Redzone (____ptrval____): bb bb bb bb bb bb bb bb ........
Object (____ptrval____): 00 00 00 00 00 f6 f4 a5 ........
Redzone (____ptrval____): 40 1d e8 1a aa @....
Padding (____ptrval____): 00 00 00 00 00 00 00 00 ........
Adjust the offset to stay within s->object_size.
(Note that no caches of in this size range are known to exist in the
kernel currently.)
Link: https://lkml.kernel.org/r/20210608183955.280836-4-keescook@chromium.org
Link: https://lore.kernel.org/linux-mm/20200807160627.GA1420741@elver.google.com/
Link: https://lore.kernel.org/lkml/0f7dd7b2-7496-5e2d-9488-2ec9f8e90441@suse.cz/Fixes:
|
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Kees Cook
|
74c1d3e081 |
mm/slub: fix redzoning for small allocations
The redzone area for SLUB exists between s->object_size and s->inuse
(which is at least the word-aligned object_size). If a cache were
created with an object_size smaller than sizeof(void *), the in-object
stored freelist pointer would overwrite the redzone (e.g. with boot
param "slub_debug=ZF"):
BUG test (Tainted: G B ): Right Redzone overwritten
-----------------------------------------------------------------------------
INFO: 0xffff957ead1c05de-0xffff957ead1c05df @offset=1502. First byte 0x1a instead of 0xbb
INFO: Slab 0xffffef3950b47000 objects=170 used=170 fp=0x0000000000000000 flags=0x8000000000000200
INFO: Object 0xffff957ead1c05d8 @offset=1496 fp=0xffff957ead1c0620
Redzone (____ptrval____): bb bb bb bb bb bb bb bb ........
Object (____ptrval____): f6 f4 a5 40 1d e8 ...@..
Redzone (____ptrval____): 1a aa ..
Padding (____ptrval____): 00 00 00 00 00 00 00 00 ........
Store the freelist pointer out of line when object_size is smaller than
sizeof(void *) and redzoning is enabled.
Additionally remove the "smaller than sizeof(void *)" check under
CONFIG_DEBUG_VM in kmem_cache_sanity_check() as it is now redundant:
SLAB and SLOB both handle small sizes.
(Note that no caches within this size range are known to exist in the
kernel currently.)
Link: https://lkml.kernel.org/r/20210608183955.280836-3-keescook@chromium.org
Fixes:
|
||
|
Kees Cook
|
8669dbab2a |
mm/slub: clarify verification reporting
Patch series "Actually fix freelist pointer vs redzoning", v4. This fixes redzoning vs the freelist pointer (both for middle-position and very small caches). Both are "theoretical" fixes, in that I see no evidence of such small-sized caches actually be used in the kernel, but that's no reason to let the bugs continue to exist, especially since people doing local development keep tripping over it. :) This patch (of 3): Instead of repeating "Redzone" and "Poison", clarify which sides of those zones got tripped. Additionally fix column alignment in the trailer. Before: BUG test (Tainted: G B ): Redzone overwritten ... Redzone (____ptrval____): bb bb bb bb bb bb bb bb ........ Object (____ptrval____): f6 f4 a5 40 1d e8 ...@.. Redzone (____ptrval____): 1a aa .. Padding (____ptrval____): 00 00 00 00 00 00 00 00 ........ After: BUG test (Tainted: G B ): Right Redzone overwritten ... Redzone (____ptrval____): bb bb bb bb bb bb bb bb ........ Object (____ptrval____): f6 f4 a5 40 1d e8 ...@.. Redzone (____ptrval____): 1a aa .. Padding (____ptrval____): 00 00 00 00 00 00 00 00 ........ The earlier commits that slowly resulted in the "Before" reporting were: |
||
Peter Xu
|
099dd6878b |
mm/swap: fix pte_same_as_swp() not removing uffd-wp bit when compare
I found it by pure code review, that pte_same_as_swp() of unuse_vma()
didn't take uffd-wp bit into account when comparing ptes.
pte_same_as_swp() returning false negative could cause failure to
swapoff swap ptes that was wr-protected by userfaultfd.
Link: https://lkml.kernel.org/r/20210603180546.9083-1-peterx@redhat.com
Fixes:
|
||
Naoya Horiguchi
|
25182f05ff |
mm,hwpoison: fix race with hugetlb page allocation
When hugetlb page fault (under overcommitting situation) and
memory_failure() race, VM_BUG_ON_PAGE() is triggered by the following
race:
CPU0: CPU1:
gather_surplus_pages()
page = alloc_surplus_huge_page()
memory_failure_hugetlb()
get_hwpoison_page(page)
__get_hwpoison_page(page)
get_page_unless_zero(page)
zero = put_page_testzero(page)
VM_BUG_ON_PAGE(!zero, page)
enqueue_huge_page(h, page)
put_page(page)
__get_hwpoison_page() only checks the page refcount before taking an
additional one for memory error handling, which is not enough because
there's a time window where compound pages have non-zero refcount during
hugetlb page initialization.
So make __get_hwpoison_page() check page status a bit more for hugetlb
pages with get_hwpoison_huge_page(). Checking hugetlb-specific flags
under hugetlb_lock makes sure that the hugetlb page is not transitive.
It's notable that another new function, HWPoisonHandlable(), is helpful
to prevent a race against other transitive page states (like a generic
compound page just before PageHuge becomes true).
Link: https://lkml.kernel.org/r/20210603233632.2964832-2-nao.horiguchi@gmail.com
Fixes:
|
||
|
Linus Torvalds
|
6b00bc639f |
dmaengine fixes for v5.13
Bunch of driver fixes, notably:
- More idxd fixes for driver unregister, error handling and bus
assignment
- HAS_IOMEM depends fix for few drivers
- lock fix in pl330 driver
- xilinx drivers fixes for initialize registers, missing dependencies
and limiting descriptor IDs
- mediatek descriptor management fixes
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Merge tag 'dmaengine-fix-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"A bunch of driver fixes, notably:
- More idxd fixes for driver unregister, error handling and bus
assignment
- HAS_IOMEM depends fix for few drivers
- lock fix in pl330 driver
- xilinx drivers fixes for initialize registers, missing dependencies
and limiting descriptor IDs
- mediatek descriptor management fixes"
* tag 'dmaengine-fix-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: mediatek: use GFP_NOWAIT instead of GFP_ATOMIC in prep_dma
dmaengine: mediatek: do not issue a new desc if one is still current
dmaengine: mediatek: free the proper desc in desc_free handler
dmaengine: ipu: fix doc warning in ipu_irq.c
dmaengine: rcar-dmac: Fix PM reference leak in rcar_dmac_probe()
dmaengine: idxd: Fix missing error code in idxd_cdev_open()
dmaengine: stedma40: add missing iounmap() on error in d40_probe()
dmaengine: SF_PDMA depends on HAS_IOMEM
dmaengine: QCOM_HIDMA_MGMT depends on HAS_IOMEM
dmaengine: ALTERA_MSGDMA depends on HAS_IOMEM
dmaengine: idxd: Add missing cleanup for early error out in probe call
dmaengine: xilinx: dpdma: Limit descriptor IDs to 16 bits
dmaengine: xilinx: dpdma: Add missing dependencies to Kconfig
dmaengine: stm32-mdma: fix PM reference leak in stm32_mdma_alloc_chan_resourc()
dmaengine: zynqmp_dma: Fix PM reference leak in zynqmp_dma_alloc_chan_resourc()
dmaengine: xilinx: dpdma: initialize registers before request_irq
dmaengine: pl330: fix wrong usage of spinlock flags in dma_cyclc
dmaengine: fsl-dpaa2-qdma: Fix error return code in two functions
dmaengine: idxd: add missing dsa driver unregister
dmaengine: idxd: add engine 'struct device' missing bus type assignment
|
||
|
Linus Torvalds
|
cc9aaa2b07 |
Clang feature fix for v5.13-rc7
- The "-warn-stack-size" option under LTO has moved in Clang 13 (Tor Vic)
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Merge tag 'clang-features-v5.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull clang LTO fix from Kees Cook:
"It seems Clang has been scrubbing through the missing LTO IR flags for
Clang 13, and the last of these 'only with LTO' flags is fixed now.
I've asked that they please consider making these changes in a less
'break all the Clang kernel builds' kind of way in the future. :P
Summary:
- The '-warn-stack-size' option under LTO has moved in Clang 13 (Tor
Vic)"
* tag 'clang-features-v5.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
Makefile: lto: Pass -warn-stack-size only on LLD < 13.0.0
|
||
|
Linus Torvalds
|
94f0b2d4a1 |
proc: only require mm_struct for writing
Commit |
||
Dan Carpenter
|
a33d62662d |
afs: Fix an IS_ERR() vs NULL check
The proc_symlink() function returns NULL on error, it doesn't return
error pointers.
Fixes:
|
||
Tor Vic
|
0236526d76 |
Makefile: lto: Pass -warn-stack-size only on LLD < 13.0.0
Since LLVM commit fc018eb, the '-warn-stack-size' flag has been dropped
[1], leading to the following error message when building with Clang-13
and LLD-13:
ld.lld: error: -plugin-opt=-: ld.lld: Unknown command line argument
'-warn-stack-size=2048'. Try: 'ld.lld --help'
ld.lld: Did you mean '--asan-stack=2048'?
In the same way as with commit
|
||
|
Linus Torvalds
|
009c9aa5be | Linux 5.13-rc6 | ||
|
Linus Torvalds
|
e4e453434a |
perf tools fixes for v5.13: 5th batch
- Correct buffer copying when peeking events. - Sync cpufeatures/disabled-features.h header with the kernel sources. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCYMYTTgAKCRCyPKLppCJ+ J0rKAQDgWLBEQ1ieiUaRYhqeaDbmxgWZ50tRadQGIaWyfuvvJQD+Pl6jQ1nEwDt9 bP407DPeTr4fG7qkEOLt6zbM6qbj6wA= =XXQR -----END PGP SIGNATURE----- Merge tag 'perf-tools-fixes-for-v5.13-2021-06-13' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux Pull perf tools fixes from Arnaldo Carvalho de Melo: - Correct buffer copying when peeking events - Sync cpufeatures/disabled-features.h header with the kernel sources * tag 'perf-tools-fixes-for-v5.13-2021-06-13' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: tools headers cpufeatures: Sync with the kernel sources perf session: Correct buffer copying when peeking events |
||
|
Linus Torvalds
|
960f0716d8 |
NFS client bugfixes for Linux 5.13
Highlights include Stable fixes: - Fix use-after-free in nfs4_init_client() Bugfixes: - Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode() - Fix second deadlock in nfs4_evict_inode() - nfs4_proc_set_acl should not change the value of NFS_CAP_UIDGID_NOMAP - Fix setting of the NFS_CAP_SECURITY_LABEL capability -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEESQctxSBg8JpV8KqEZwvnipYKAPIFAmDGJPEACgkQZwvnipYK APLH8xAAsdoKVCW35P+FtlzQvq0iWoTvk15i4Jv8+SyFtqAZe6y6pEj9+RT47CAV kt/uNa6CQ9KjxxgwBf2XoGTuf4MrOUU34kQBF/tRLy9zDdXUsZH263vapopmel6L BVHEEsID6hz8+BUt1LFsr+8sWxG+12UiimEu0CVo4BE8SgYushWpJOQ9iL/zxi1O gXmlAfA9g38I9aUApke4hOPSHVTGaQaAKl5LbSoycQlJblzgA1yIXdU9sVTHDJY6 sco9O9M+NPY8gefS4d7iXSihZin5V9rNuSJ9SKiCPikTEjZYgZbw1umGj6VnF/5e QD47QGgOwXKeCOBv6Oe4VYxE2JISoUFZw8+pxjy4eDO+EcJv3IrHOM8UrsiddGAA DLHzbbrMUx6mGdgibw/ktkwx0Q/DvGrfrvKidk33cs16DPWgTZAG//n7spuqYTmT 8fQbJF6DDjsYM7v+WdImf7VBA8dreXb/QcHwxCtH7uG+hGyRiYoDSOmH3mGBKpLX idkjz6Hvj7V7Y1z4qd+nvh4Ch1V0b9BX+J/+6dKHRykpmSJTIMIlQw7/wA6a8Lp6 WJX4KbUzZHojvqM1BMzRL34+qidihUso0RIj0VjCB1JQyosRnIeTPorfHLQZTOM0 IjP8h48BB7E7cJeJP1dmhvm7Hb8SpFVDxDHoWRtscbQflO3Wdkw= =PABi -----END PGP SIGNATURE----- Merge tag 'nfs-for-5.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Pull NFS client bugfixes from Trond Myklebust: "Highlights include: Stable fixes: - Fix use-after-free in nfs4_init_client() Bugfixes: - Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode() - Fix second deadlock in nfs4_evict_inode() - nfs4_proc_set_acl should not change the value of NFS_CAP_UIDGID_NOMAP - Fix setting of the NFS_CAP_SECURITY_LABEL capability" * tag 'nfs-for-5.13-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4: Fix second deadlock in nfs4_evict_inode() NFSv4: Fix deadlock between nfs4_evict_inode() and nfs4_opendata_get_inode() NFS: FMODE_READ and friends are C macros, not enum types NFS: Fix a potential NULL dereference in nfs_get_client() NFS: Fix use-after-free in nfs4_init_client() NFS: Ensure the NFS_CAP_SECURITY_LABEL capability is set when appropriate NFSv4: nfs4_proc_set_acl needs to restore NFS_CAP_UIDGID_NOMAP on error. |
||
|
Linus Torvalds
|
331a6edb30 |
SCSI fixes on 20210613
Four reasonably small fixes to the core for scsi host allocation failure paths. The root problem is that we're not freeing the memory allocated by dev_set_name(), which involves a rejig of may of the free on error paths to do put_device() instead of kfree which, in turn, has several other knock on ramifications and inspection turned up a few other lurking bugs. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYMYEVCYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishbP/AP4oyLA5 h7T5v7z29prQWn0P3TApcDVvXjOnqPNUzZlvkAEAifnVHLMehlzrJDeaSR0OUf8u U+SKrsxkiov5XYvwGGU= =0Vfx -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Four reasonably small fixes to the core for scsi host allocation failure paths. The root problem is that we're not freeing the memory allocated by dev_set_name(), which involves a rejig of may of the free on error paths to do put_device() instead of kfree which, in turn, has several other knock on ramifications and inspection turned up a few other lurking bugs" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: core: Only put parent device if host state differs from SHOST_CREATED scsi: core: Put .shost_dev in failure path if host state changes to RUNNING scsi: core: Fix failure handling of scsi_add_host_with_dma() scsi: core: Fix error handling of scsi_host_alloc() |
||
|
Linus Torvalds
|
8ecfa36cd4 |
RISC-V Fixes for 5.13-rc6
* A pair of XIP fixes: one to fix alternatives, and one to turn off the rest of the features that require code modification. * A fix to a type that was causing some alternatives to break. * A build fix for BUILTIN_DTB. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEKzw3R0RoQ7JKlDp6LhMZ81+7GIkFAmDE1gATHHBhbG1lckBk YWJiZWx0LmNvbQAKCRAuExnzX7sYiZUxD/wJCNTks+q/reK6CjbpqhBtYvi2TnfG Mg6fOlblQRgApnfPbEy1tJEsZAIFClD7OtmUPM+5O2P7CoDp62VYqD1SoCMruXX2 9lJVhfpz0ZYGGaJyBf5SJ73TMgowI8WlryhYnqfp1sjcpKUjN0ncINc8vI9UveXB p248/0IKK6ZMqsuLvUbQl4knPgV7AgGxyh0f3Iahj/GkRnqtWU38/9RABjCfGB59 6uGO9lGQbCs4enQSXqNs0xpzVrmo8TK31jwOgGGv4t9yTyY+AYaRrx0vvm9CIs+i n9/H77GlUw3Jka0QpiV9pdwY+eHfmoEr5ywL/tFw1W6A7jqkaiPLOzVP84cMob5f BbBJj5mES4pZfZBJYlwsnaet8UfOCaGBzcyoAt/IAe5FTudo5DCXLAWa+Zm84mj1 disMlG6pgl85Za7DRVvvXbhxO1ENaN6cWAXg1E5T2MkILdqmle31C37JtO3W0Uj/ dw9qa9wYW4G04xxFuMRZFLGNzEpwULQXcY5ixrnB64v8traOaIbyIzL+cy3bYSR8 yhU9A0AYTKA41irYokr4VyT6+qiYEP6e1Yg+iC3YEMQfdmbPheTJotm2DjoI+lKK UH8dJWiHAJro653VWPnpB08SpXo0HEKdWfCJSlxbMTeY0u62KG+KWNJlcRQTaxZF LJsLZLXuY2VYMw== =c3op -----END PGP SIGNATURE----- Merge tag 'riscv-for-linus-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - A pair of XIP fixes: one to fix alternatives, and one to turn off the rest of the features that require code modification - A fix to a type that was causing some alternatives to break - A build fix for BUILTIN_DTB * tag 'riscv-for-linus-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: riscv: Fix BUILTIN_DTB for sifive and microchip soc riscv: alternative: fix typo in macro name riscv: code patching only works on !XIP_KERNEL riscv: xip: support runtime trap patching |
||
Feng Tang
|
2e3025434a |
mm: relocate 'write_protect_seq' in struct mm_struct
0day robot reported a 9.2% regression for will-it-scale mmap1 test case[1], caused by commit |
||
|
Linus Torvalds
|
43cb5d49a9 |
USB fixes for 5.13-rc6
Here are a number of tiny USB fixes for 5.13-rc6. There are more than I would normally like, but there's been a bunch of people banging on the gadget and dwc3 and typec code recently for I think an Android release, which has resulted in a number of small fixes. It's nice to see companies send fixes upstream for this type of work, a notable change from years ago. Anyway, fixes in here are: - usb-serial device id updates - usb-serial cp210x driver fixes for broken firmware versions - typec fixes for crazy charging devices and other reported problems - dwc3 fixes for reported problems found - gadget fixes for reported problems - tiny xhci fixes - other small fixes for reported issues. - revert of a problem fix found by linux-next testing All of these have passed 0-day and linux-next testing with no reported problems (the revert for the found linux-next build problem included). Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYMS6uA8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yknTgCeKSmtJABTIcZ3LLRgArqUFEroUqEAni2ZRv/8 3mGzeXFKvvoEO/WoILmV =WqGE -----END PGP SIGNATURE----- Merge tag 'usb-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of tiny USB fixes for 5.13-rc6. There are more than I would normally like, but there's been a bunch of people banging on the gadget and dwc3 and typec code recently for I think an Android release, which has resulted in a number of small fixes. It's nice to see companies send fixes upstream for this type of work, a notable change from years ago. Anyway, fixes in here are: - usb-serial device id updates - usb-serial cp210x driver fixes for broken firmware versions - typec fixes for crazy charging devices and other reported problems - dwc3 fixes for reported problems found - gadget fixes for reported problems - tiny xhci fixes - other small fixes for reported issues. - revert of a problem fix found by linux-next testing All of these have passed 0-day and linux-next testing with no reported problems (the revert for the found linux-next build problem included)" * tag 'usb-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (44 commits) Revert "usb: gadget: fsl: Re-enable driver for ARM SoCs" usb: typec: mux: Fix copy-paste mistake in typec_mux_match usb: typec: ucsi: Clear PPM capability data in ucsi_init() error path usb: gadget: fsl: Re-enable driver for ARM SoCs usb: typec: wcove: Use LE to CPU conversion when accessing msg->header USB: serial: cp210x: fix CP2102N-A01 modem control USB: serial: cp210x: fix alternate function for CP2102N QFN20 usb: misc: brcmstb-usb-pinmap: check return value after calling platform_get_resource() usb: dwc3: ep0: fix NULL pointer exception usb: gadget: eem: fix wrong eem header operation usb: typec: intel_pmc_mux: Put ACPI device using acpi_dev_put() usb: typec: intel_pmc_mux: Add missed error check for devm_ioremap_resource() usb: typec: intel_pmc_mux: Put fwnode in error case during ->probe() usb: typec: tcpm: Do not finish VDM AMS for retrying Responses usb: fix various gadget panics on 10gbps cabling usb: fix various gadgets null ptr deref on 10gbps cabling. usb: pci-quirks: disable D3cold on xhci suspend for s2idle on AMD Renoir usb: f_ncm: only first packet of aggregate needs to start timer USB: f_ncm: ncm_bitrate (speed) is unsigned MAINTAINERS: usb: add entry for isp1760 ... |
||
|
Linus Torvalds
|
c46fe4aa82 |
Serial driver fix for 5.13-rc6
Here is a single 8250_exar serial driver fix for a reported problem with a change that happened in 5.13-rc1. It has been in linux-next with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYMS7Tg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yktQwCgkmCvU3KoftPUO6oRFrj7S3sJn0YAoNYLprQU vaEojGhGWKIol/Cbsak9 =6apf -----END PGP SIGNATURE----- Merge tag 'tty-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull serial driver fix from Greg KH: "A single 8250_exar serial driver fix for a reported problem with a change that happened in 5.13-rc1. It has been in linux-next with no reported problems" * tag 'tty-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: 8250_exar: Avoid NULL pointer dereference at ->exit() |
||
|
Linus Torvalds
|
0d50658834 |
Staging driver fixes for 5.13-rc6
Here are two tiny staging driver fixes for 5.13-rc6 - ralink-gdma driver authorship information fixed up - rtl8723bs driver fix for reported regression Both have been in linux-next for a while with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYMTWBg8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ykXXACfRo5CD9v4uj2ZwzeXq/g3wjBt/tYAn1fa8yFm IZEJy8Lskp3wjGcNszve =q9EK -----END PGP SIGNATURE----- Merge tag 'staging-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg KH: "Two tiny staging driver fixes: - ralink-gdma driver authorship information fixed up - rtl8723bs driver fix for reported regression Both have been in linux-next for a while with no reported problems" * tag 'staging-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: ralink-gdma: Remove incorrect author information staging: rtl8723bs: Fix uninitialized variables |
||
|
Linus Torvalds
|
87a7f7368b |
Driver core fix for 5.13-rc6
Here is a single debugfs fix for 5.13-rc6. It fixes a bug in debugfs_read_file_str() that showed up in 5.13-rc1. It has been in linux-next for a full week with no reported problems. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYMTWug8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+yl5MQCeMMEMCGsoQdeXI1t2WMAMTmWRTZYAn1GqGliM b3RkczkNgKnEfDB2+M1r =wWW8 -----END PGP SIGNATURE----- Merge tag 'driver-core-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fix from Greg KH: "A single debugfs fix for 5.13-rc6, fixing a bug in debugfs_read_file_str() that showed up in 5.13-rc1. It has been in linux-next for a full week with no reported problems" * tag 'driver-core-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: debugfs: Fix debugfs_read_file_str() |
||
|
Linus Torvalds
|
1dfa2e77bb |
Char/Misc driver fixes for 5.13-rc6
Here are some small misc driver fixes for 5.13-rc6 that fix some reported problems: - Tiny phy driver fixes for reported issues - rtsx regression for when the device suspended - mhi driver fix for a use-after-free All of these have been in linux-next for a few days with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCYMTXVw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ynzLgCgpTYm7sEdpzqTZtJXupSP05Kqm5gAn3PhELhK ZPnUMX9OPV9DPnJ9camz =ApcR -----END PGP SIGNATURE----- Merge tag 'char-misc-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are some small misc driver fixes for 5.13-rc6 that fix some reported problems: - Tiny phy driver fixes for reported issues - rtsx regression for when the device suspended - mhi driver fix for a use-after-free All of these have been in linux-next for a few days with no reported issues" * tag 'char-misc-5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: misc: rtsx: separate aspm mode into MODE_REG and MODE_CFG bus: mhi: pci-generic: Fix hibernation bus: mhi: pci_generic: Fix possible use-after-free in mhi_pci_remove() bus: mhi: pci_generic: T99W175: update channel name from AT to DUN phy: Sparx5 Eth SerDes: check return value after calling platform_get_resource() phy: ralink: phy-mt7621-pci: drop 'of_match_ptr' to fix -Wunused-const-variable phy: ti: Fix an error code in wiz_probe() phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init() phy: cadence: Sierra: Fix error return code in cdns_sierra_phy_probe() phy: usb: Fix misuse of IS_ENABLED |
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|
Linus Torvalds
|
141415d737 |
Pin control fixes for the v5.13 series:
- Fix some documentation warnings for Allwinner - Fix duplicated GPIO groups on Qualcomm SDX55 - Fix a double enablement bug in the Ralink driver - Fix the Qualcomm SC8180x Kconfig so the driver can be selected. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEElDRnuGcz/wPCXQWMQRCzN7AZXXMFAmDEhRcACgkQQRCzN7AZ XXONKg//cXSraxVKlWa2L5KYzI41Mj27Bx1Zb4l5IHetfJRtw+PYDHTRZ839O0uj 2FBCnlWGi1eqinX2IAkrXe4DsIzkHp+CLLqe1dYk4EBxNDXS0/psbjbvxOpI+W2Z ncK59cKqUzaEhckrOyjYDiwb3VSfGybynvJdCp36h6qbyx/LfI+7ghRsUy0rddTX hie8oZUq146BajByUSSPuPoRWZg1x6Glq0Dqok7UNPrD5F2WTYzeYkbb5Fh9iAnj xRADxPpp6N0+0+rQIfjlW2wRI7D21yuouT0KZRPGn2JWEuUL2+9WcjCfbbCgJmGz ZrgDp0DlkJQUawswTj0YYEB0Km2xRjeph+GjIgEukiOt1j7DtVoXoCGMO31OZoee f05c8pf2iL2cp8zRsm7Icvr1iFRakKpJSFAV6UO1yfED9kscyzwHwk7eqnRAbnWm 7/AeZMMk26rdRITRvdkFS+ptqK/0ht7Cg+0wu9O+dly6efQA4eTuO06iUIohy2sb YRLBCOB6QIGxMCuoFPWqKRTI7xGg/xerea4jHvHdedO1j49sqZtmcFEZBaGIhCJv v6r35PGLofCgF0gMq4oTNVEgQPpkurvnLwP28d4LhtsaJO1nrZxnhwESEl0ya5TF B8SERrkJy2Oin/3J/Mpg7OzOdggTvzPTfJZpzs1fsfB4kOJ9FTE= =eZSK -----END PGP SIGNATURE----- Merge tag 'pinctrl-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: - Fix some documentation warnings for Allwinner - Fix duplicated GPIO groups on Qualcomm SDX55 - Fix a double enablement bug in the Ralink driver - Fix the Qualcomm SC8180x Kconfig so the driver can be selected. * tag 'pinctrl-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: qcom: Make it possible to select SC8180x TLMM pinctrl: ralink: rt2880: avoid to error in calls is pin is already enabled pinctrl: qcom: Fix duplication in gpio_groups pinctrl: aspeed: Fix minor documentation error |
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|
Linus Torvalds
|
efc1fd601a |
block-5.13-2021-06-12
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Merge tag 'block-5.13-2021-06-12' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A few fixes that should go into 5.13:
- Fix a regression deadlock introduced in this release between open
and remove of a bdev (Christoph)
- Fix an async_xor md regression in this release (Xiao)
- Fix bcache oversized read issue (Coly)"
* tag 'block-5.13-2021-06-12' of git://git.kernel.dk/linux-block:
block: loop: fix deadlock between open and remove
async_xor: check src_offs is not NULL before updating it
bcache: avoid oversized read request in cache missing code path
bcache: remove bcache device self-defined readahead
|
||
|
Linus Torvalds
|
b2568eeb96 |
io_uring-5.13-2021-06-12
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||
|
Linus Torvalds
|
99f925947a |
Misc fixes:
- Fix performance regression caused by lack of intended
batching of RCU callbacks by over-eager NOHZ-full code.
- Fix cgroups related corruption of load_avg and load_sum metrics.
- Three fixes to fix blocked load, util_sum/runnable_sum and
util_est tracking bugs.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Ingo Molnar:
"Misc fixes:
- Fix performance regression caused by lack of intended batching of
RCU callbacks by over-eager NOHZ-full code.
- Fix cgroups related corruption of load_avg and load_sum metrics.
- Three fixes to fix blocked load, util_sum/runnable_sum and util_est
tracking bugs"
* tag 'sched-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Fix util_est UTIL_AVG_UNCHANGED handling
sched/pelt: Ensure that *_sum is always synced with *_avg
tick/nohz: Only check for RCU deferred wakeup on user/guest entry when needed
sched/fair: Make sure to update tg contrib for blocked load
sched/fair: Keep load_avg and load_sum synced
|
||
|
Linus Torvalds
|
191aaf6cc4 |
Misc fixes:
- Fix the NMI watchdog on ancient Intel CPUs
- Remove a misguided, NMI-unsafe KASAN callback
from the NMI-safe irq_work path used by perf.
- Fix uncore events on Ice Lake servers.
- Someone booted maxcpus=1 on an SNB-EP, and the
uncore driver emitted warnings and was probably
buggy. Fix it.
- KCSAN found a genuine data race in the core perf
code. Somewhat ironically the bug was introduced
through a recent race fix. :-/ In our defense, the
new race window was much more narrow. Fix it.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar:
"Misc fixes:
- Fix the NMI watchdog on ancient Intel CPUs
- Remove a misguided, NMI-unsafe KASAN callback from the NMI-safe
irq_work path used by perf.
- Fix uncore events on Ice Lake servers.
- Someone booted maxcpus=1 on an SNB-EP, and the uncore driver
emitted warnings and was probably buggy. Fix it.
- KCSAN found a genuine data race in the core perf code. Somewhat
ironically the bug was introduced through a recent race fix. :-/
In our defense, the new race window was much more narrow. Fix it"
* tag 'perf-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/nmi_watchdog: Fix old-style NMI watchdog regression on old Intel CPUs
irq_work: Make irq_work_queue() NMI-safe again
perf/x86/intel/uncore: Fix M2M event umask for Ice Lake server
perf/x86/intel/uncore: Fix a kernel WARNING triggered by maxcpus=1
perf: Fix data race between pin_count increment/decrement
|
||
|
Linus Torvalds
|
768895fb77 |
Two objtool fixes:
- fix a bug that corrupts the code by mistakenly rewriting
conditional jumps,
- and fix another bug generating an incorrect ELF symbol table
during retpoline rewriting.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'objtool-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Ingo Molnar:
"Two objtool fixes:
- fix a bug that corrupts the code by mistakenly rewriting
conditional jumps
- fix another bug generating an incorrect ELF symbol table
during retpoline rewriting"
* tag 'objtool-urgent-2021-06-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Only rewrite unconditional retpoline thunk calls
objtool: Fix .symtab_shndx handling for elf_create_undef_symbol()
|
||
Alexandre Ghiti
|
0ddd7eaffa
|
riscv: Fix BUILTIN_DTB for sifive and microchip soc
Fix BUILTIN_DTB config which resulted in a dtb that was actually not built into the Linux image: in the same manner as Canaan soc does, create an object file from the dtb file that will get linked into the Linux image. Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com> |
||
|
Linus Torvalds
|
ad347abe4a |
Tracing fixes for 5.13:
- Fix the length check in the temp buffer filter - Fix build failure in bootconfig tools for "fallthrough" macro - Fix error return of bootconfig apply_xbc() routine -----BEGIN PGP SIGNATURE----- iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCYMPDdBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qsBsAQDYTMYxQ4nonoxoyRv5+Zbt203IJAlJ EDciljCGGzwY4QD/emiR5q3UMMJSzUC8jtuGWfwLPlZTIGq5vnvEPsqtXA0= =t5W+ -----END PGP SIGNATURE----- Merge tag 'trace-v5.13-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fixes from Steven Rostedt: - Fix the length check in the temp buffer filter - Fix build failure in bootconfig tools for "fallthrough" macro - Fix error return of bootconfig apply_xbc() routine * tag 'trace-v5.13-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing: Correct the length check which causes memory corruption ftrace: Do not blindly read the ip address in ftrace_bug() tools/bootconfig: Fix a build error accroding to undefined fallthrough tools/bootconfig: Fix error return code in apply_xbc() |
||
|
Linus Torvalds
|
548843c096 |
Clang feature fix for v5.13-rc6
- Handle changes to needed LTO flags in Clang 13 (Tor Vic) -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAmDDqR0ACgkQiXL039xt wCaeWA/6As2Bo1hj5tK6i2PfXKzY6X6swPJ7QnEGA8g82nvuhhOIJwJXigBR5qBi 1JQX+w6ihx082MIYnUU2pl8byL4x3A4nxk4NSjVTYd/Bh5M270rMif3epFnsI+QM 0QZuykL88wNksANHzYXXeRzPY4/afP5HNESqTjBU8ydLN3p4CWJOJT5GRb9c4Wbw lpKwMSUV1QLQJbMNdnDlIHSAI02EAi4ST9wVAeZTtKSD9PFNwPY9CS852LQoshX3 UbRc6/b/R8fAjmBsHcAyrjW2qMS5FJlBxpczZb+O7bh4brrFDoDBU8TqovPfcTt0 N/UP4Dz+V9DNgQxxLz5W2V5hhLRiKq/Cnx5gGrpJY3hSMqwrM2sRoep/GgpQSwpU wPfiqp75RUWTiN+l8nftfNCQhoUtDa4mU378tNyWhAX3kuShT0SsLBxhs4Vzvfdw pj+0tgWCyYxIcxy+gZzfv81XDOHTpcWOiUlgao2589YS5SsVd+lCq0sTP63kL/S/ WTkNnucebzXHJXEC/CrpvJhNXIRElVEayAcF5QTLJfSLxkMZvDczf/s5osQK3S0d Fr5nzbmcCkbX/xODmfZ+egbpvv4XkLCNShGOW2OksqQEG3kephzRxsTXr0dVnDfv rj1WqlrCqC2ABJ+0C9Fi4+fSU7InEV0pRdDLVkJ8LZf505/J5qI= =3Bs0 -----END PGP SIGNATURE----- Merge tag 'clang-features-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull clang LTO fix from Kees Cook: "Clang 13 fixed some IR behavior for LTO, but this broke work-arounds used in the kernel. Handle changes to needed LTO flags in Clang 13 (Tor Vic)" * tag 'clang-features-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: x86, lto: Pass -stack-alignment only on LLD < 13.0.0 |
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Linus Torvalds
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e65b7914b2 |
gpio fixes for v5.13-rc6
- fix a shift-out-of-bounds error in gpio-wcd934x -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAmDDvN4ACgkQEacuoBRx 13JZWg/9HvNavEqdhfFDpakTIMFSHPZJwq1K8gWeb/Ng+2KP++M4iVjchfzwMAh0 ZuAtdbj9BOE9GEIG7Je4ci4E+WTiViIyK1PneMaxqBBjwp1tI9CvPmtvzdJY4/u6 lhmoHR8aNKMspzCDgS0orYFNN+ObDYOceiJCyUS4WI69Q375TNIu1R8TMlrVrERq P9ow2obPSbSIF4dSD8dzA1hJitzo7GCSZAsqLn6CXqyvoYI0tSpo1WLX5ge8CTDa tjnm0UAV4Q6BPNwA53wiHkN8hrLPs1039d/6w4K2Ewknvvkl/k6YAVWLS566MRAM 8KPPUsBV+EGzue213IL2uDYFhwDYyjyecewGKK/ETRoYR1nwGucwbzlooPQ6cH/o T7wrkSfC5/Rldtytyh59UzDbD1w29725nHmiJ3v8k+K+2gtuUKuSepJWrbdJd25M IsuIillYet9EWTQ8ALWRaAwWFjDI/9zrtxeY2rGspb7DdNuMafiuSuJ8U9Xte1Zk 5SsHQlYb8V4f6S6Z8p7Sx7ZInaYZ20/9u1/rgrIAZeh7kwv9me6rTdJsC2H0JrrN KnrwSm8IjfqHLFXnZQsi2ZCkHQ+hRFY+2/pGmmXdN78fOA2nX1MwPRIdj+ld8sK6 TvNSfYeC+l4MuNbuxxwu3eNYl1a0oXwrRqCVh4Njt6uvHPh773M= =BYqJ -----END PGP SIGNATURE----- Merge tag 'gpio-fixes-for-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fix from Bartosz Golaszewski: "Fix a shift-out-of-bounds error in gpio-wcd934x" * tag 'gpio-fixes-for-v5.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: wcd934x: Fix shift-out-of-bounds error |
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Linus Torvalds
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f21b807c3c |
drm fixes for 5.13-rc6
drm: - auth locking fix ttm: - locking fix amdgpu: - Use kvzmalloc in amdgu_bo_create - Use drm_dbg_kms for reporting failure to get a GEM FB - Fix some register offsets for Sienna Cichlid - Fix fall-through warning radeon: - memcpy_to/from_io fixes msm: - NULL ptr deref fix - CP_PROTECT reg programming fix - incorrect register shift fix - DSI blank screen fix sun4i: - hdmi output probing fix mcde: - DSI pipeline calc fix vc4: - out of bounds fix -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEEKbZHaGwW9KfbeusDHTzWXnEhr4FAmDC2ZcACgkQDHTzWXnE hr4Quw/+JjLIJAIgOCmwP1KoJawDkhBkyV8nyKWmHjoL6QAGJBomaeTV/3pNE++s Ia2LruGYf8cjenNuIW80vsp2BV906SOjzpwNq2mp/X5oBLeX+1RbgPrzSP91timU jVV+6C4kUurbhJs8xC/GM4/skanq7MIJuBQQz+dlZzRe6/aeUTpOAVaoBoUwQnU6 NTCWmqaWSxvuL5dzhsrgOubciiv/UmgjltHPThjAtxM76K0gBnmUiw77rgoT8LCe l7yulaSb6O+ayLtZ5plYunaTB9KQQQZG0OLyXq0bpQpp3jWL7NHoXk0bygI+2y3A 76tvLUk2/e2FrTRRGrFk/nzn8DvdG4P6YrzGLu9Cww8IrU2bYI0mdedd7V7kx/Ri Buucb7HXovlbfCNKz0i0BOvYTdaJ6z2+Ljb0Kbxv/DsiD/ZbjmJG6ZitgqbVaI9U 1XtjMEZmTZL5osvquJ4oPeOYnA3K++bjO3+1NYFOzWPZt3/LPZ08BGWrX5W57UrB 8JcJ+t2v2JHfmkNaTBrD7HQAG9OMHzbEaCgVRmSxPNwVmgpTOlQMDjS/8I6o1axV D0Fo93AtJXwQ5tsjqrdUXZcBWFCBGZQIFtmcYEfosRzrM7/G4SC3kxoZ96YG7e1t 3oXQdTP6M6rPSLTe7/jCUxMEV8oT18L+UIPFHvq7Rq2PDr1vEus= =cy9b -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2021-06-11' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Another week of fixes, nothing too crazy, but a few all over the place. Two locking fixes in the core/ttm area, a couple of small driver fixes (radeon, sun4i, mcde, vc4). Then msm and amdgpu have a set of fixes each, mostly for smaller things, though the msm has a DSI fix for a black screen. I haven't seen any intel fixes this week so they may have a few that may or may not wait for next week. drm: - auth locking fix ttm: - locking fix amdgpu: - Use kvzmalloc in amdgu_bo_create - Use drm_dbg_kms for reporting failure to get a GEM FB - Fix some register offsets for Sienna Cichlid - Fix fall-through warning radeon: - memcpy_to/from_io fixes msm: - NULL ptr deref fix - CP_PROTECT reg programming fix - incorrect register shift fix - DSI blank screen fix sun4i: - hdmi output probing fix mcde: - DSI pipeline calc fix vc4: - out of bounds fix" * tag 'drm-fixes-2021-06-11' of git://anongit.freedesktop.org/drm/drm: drm/msm/dsi: Stash away calculated vco frequency on recalc drm: Lock pointer access in drm_master_release() drm/mcde: Fix off by 10^3 in calculation drm/msm/a6xx: avoid shadow NULL reference in failure path drm/msm/a6xx: fix incorrectly set uavflagprd_inv field for A650 drm/msm/a6xx: update/fix CP_PROTECT initialization radeon: use memcpy_to/fromio for UVD fw upload drm/amd/pm: Fix fall-through warning for Clang drm/amdgpu: Fix incorrect register offsets for Sienna Cichlid drm/amdgpu: Use drm_dbg_kms for reporting failure to get a GEM FB drm/amdgpu: switch kzalloc to kvzalloc in amdgpu_bo_create drm/msm: Init mm_list before accessing it for use_vram path drm: Fix use-after-free read in drm_getunique() drm/vc4: fix vc4_atomic_commit_tail() logic drm/ttm: fix deref of bo->ttm without holding the lock v2 drm/sun4i: dw-hdmi: Make HDMI PHY into a platform device |
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Linus Torvalds
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929d931f2b |
Devicetree fixes for v5.13, take 3:
- A single fix for broken media/renesas,drif.yaml binding schema -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAmDDm04QHHJvYmhAa2Vy bmVsLm9yZwAKCRD6+121jbxhw48SD/9PEJwXlBz1bPC2Ey0dK+sFZhM/QzXQKD0b drtwVopiFpPiHi7diQuj4lQnnSBIfkX1ToRNKVSFELyH0l5yjsU2I0t9fmzOh6nQ 0PUYieZ9/VttbW0zVrlgrCJMTY3LJwkTPJK+LoqHxgIEiV0JO4O3ShxLHtvEsECs nD5/uwypzwSap6iHVWeJeVZd/3P+FsKWeFl20zv94NF8jIgao0LJ/xwCSf6Jc4+I nCic6GOdjwJHasoTUgPosAwSWHu1HjJiQnSqunxSK9bxlz9JplnPBzznOssggsrH yX/BGnMv+ftTo5HJ48/r484eSc2Fl+rjwzYZ2AOdMhgJvVaLElfBrXhnix++EKrt QZHsdTRrDOQGYmxUyE6oos7DOMZeXzPglNzKrgp4/dSwodfrVLIqhgIyZsXOoCFn uyMr6Y7gBP55bAcXrdqsLDieDFyAmbDAdi9OL3fr6r1yXFMMoqQxwFo9nGMwtqFH DUIgdDZWzyfMricW9WyrV8XnFWvqFPu3LZM1jaRBDDO7VrevgXIh3zLtDNhrr+bl ideEz0oTXrvMlLTY4xA8H+YpKKBbVkJqSrFUFB2FNlOfprTP2esBwDdpNzWPcM9v rmQuX3LbhnuD8gtO9ZLvcozO4OoBtVkN+v5WXDaUQdjafvpN55LUjCsEDKYX31c+ bbpogwWMHw== =Fe3R -----END PGP SIGNATURE----- Merge tag 'devicetree-fixes-for-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fix from Rob Herring: "A single fix for broken media/renesas,drif.yaml binding schema" * tag 'devicetree-fixes-for-5.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: media: dt-bindings: media: renesas,drif: Fix fck definition |
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Jens Axboe
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85f3f17b5d |
Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.13
Pull MD related fix from Song. * 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md: async_xor: check src_offs is not NULL before updating it |