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linux-stable/mm
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Andrew Morton 36b537e8f3 mm: revert "mm: shmem: fix data-race in shmem_getattr()" 
commit d1aa0c04294e29883d65eac6c2f72fe95cc7c049 upstream.

Revert d949d1d14fa2 ("mm: shmem: fix data-race in shmem_getattr()") as
suggested by Chuck [1].  It is causing deadlocks when accessing tmpfs over
NFS.

As Hugh commented, "added just to silence a syzbot sanitizer splat: added
where there has never been any practical problem".

Link: https://lkml.kernel.org/r/ZzdxKF39VEmXSSyN@tissot.1015granger.net [1]
Fixes: d949d1d14fa2 ("mm: shmem: fix data-race in shmem_getattr()")
Acked-by: Hugh Dickins <hughd@google.com>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: Jeongjun Park <aha310510@gmail.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-12-05 10:59:29 +01:00
..
kasan
panic: Consolidate open-coded panic_on_warn checks
2023-02-06 07:49:46 +01:00
backing-dev.c
mm: bdi: initialize bdi_min_ratio when bdi is unregistered
2021-12-14 10:18:05 +01:00
balloon_compaction.c
virtio_balloon: fix deadlock on OOM
2017-11-14 23:57:38 +02:00
bootmem.c
docs/mm: bootmem: add overview documentation
2018-08-02 12:17:27 -06:00
cleancache.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
cma_debug.c
mm/cma_debug.c: fix the break condition in cma_maxchunk_get()
2019-06-15 11:54:01 +02:00
cma.c
mm/cma.c: fail if fixed declaration can't be honored
2019-08-06 19:06:51 +02:00
cma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compaction.c
mm, vmscan: prevent infinite loop for costly GFP_NOIO | __GFP_RETRY_MAYFAIL allocations
2024-04-13 12:50:12 +02:00
debug_page_ref.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
debug.c
mm: get rid of vmacache_flush_all() entirely
2018-09-13 15:18:04 -10:00
dmapool.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2017-12-11 14:54:44 +01:00
fadvise.c
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
2018-08-30 20:01:32 +02:00
failslab.c
mm: use octal not symbolic permissions
2018-06-15 07:55:25 +09:00
filemap.c
mm: fs: initialize fsdata passed to write_begin/write_end interface
2022-11-25 17:40:29 +01:00
frame_vector.c
v4l2: don't fall back to follow_pfn() if pin_user_pages_fast() fails
2022-12-08 11:18:32 +01:00
frontswap.c
treewide: Remove uninitialized_var() usage
2023-08-11 11:45:01 +02:00
gup_benchmark.c
mm/gup_benchmark.c: prevent integer overflow in ioctl
2019-12-01 09:17:07 +01:00
gup.c
gup: document and work around "COW can break either way" issue
2021-04-28 13:16:51 +02:00
highmem.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
hmm.c
mm/memory_hotplug: shrink zones when offlining memory
2020-01-29 16:43:27 +01:00
huge_memory.c
mm/huge_memory.c: don't discard hugepage if other processes are mapping it
2021-07-20 16:15:58 +02:00
hugetlb_cgroup.c
mm: hugetlb: switch to css_tryget() in hugetlb_cgroup_charge_cgroup()
2019-11-20 18:45:20 +01:00
hugetlb.c
mm,hugetlb: take hugetlb_lock before decrementing h->resv_huge_pages
2022-11-03 23:52:29 +09:00
hwpoison-inject.c
mm/memory_failure: Remove unused trapno from memory_failure
2018-01-23 12:17:42 -06:00
init-mm.c
mm: Allocate the mm_cpumask (mm->cpu_bitmap[]) dynamically based on nr_cpu_ids
2018-07-17 09:35:30 +02:00
internal.h
mm/thp: fix vma_address() if virtual address below file offset
2021-07-11 12:49:28 +02:00
interval_tree.c
mm/interval_tree.c: use vma_pages() helper
2018-01-31 17:18:37 -08:00
Kconfig
mm/hmm: select mmu notifier when selecting HMM
2019-06-15 11:54:00 +02:00
Kconfig.debug
mm: clarify CONFIG_PAGE_POISONING and usage
2018-08-22 10:52:44 -07:00
khugepaged.c
mm/khugepaged: invoke MMU notifiers in shmem/file collapse paths
2023-01-18 11:29:59 +01:00
kmemleak-test.c
…
kmemleak.c
Revert "mm: kmemleak: take a full lowmem check in kmemleak_*_phys()"
2022-09-15 12:17:02 +02:00
ksm.c
treewide: Remove uninitialized_var() usage
2023-08-11 11:45:01 +02:00
list_lru.c
mm: list_lru: set shrinker map bit when child nr_items is not zero
2020-12-11 13:25:02 +01:00
maccess.c
uaccess: Add non-pagefault user-space write function
2020-09-09 19:04:29 +02:00
madvise.c
mm: madvise(MADV_DODUMP): allow hugetlbfs pages
2018-10-05 16:32:05 -07:00
Makefile
vfs: implement readahead(2) using POSIX_FADV_WILLNEED
2018-08-30 20:01:32 +02:00
memblock.c
memblock: use kfree() to release kmalloced memblock regions
2022-03-02 11:38:14 +01:00
memcontrol.c
memcg_write_event_control(): fix a user-triggerable oops
2024-09-04 13:12:59 +02:00
memfd.c
memfd: fix F_SEAL_WRITE after shmem huge page allocated
2022-03-08 19:04:10 +01:00
memory_hotplug.c
mm/memory_hotplug: use "unsigned long" for PFN in zone_for_pfn_range()
2021-09-22 11:48:12 +02:00
memory-failure.c
mm/memory-failure: fix an incorrect use of tail pages
2024-04-13 12:50:09 +02:00
memory.c
x86/mm/pat: fix VM_PAT handling in COW mappings
2024-04-13 12:50:17 +02:00
mempolicy.c
treewide: Remove uninitialized_var() usage
2023-08-11 11:45:01 +02:00
mempool.c
mm/mempool.c: add missing parameter description
2018-08-22 10:52:44 -07:00
memtest.c
memtest: use {READ,WRITE}_ONCE in memory scanning
2024-04-13 12:50:07 +02:00
migrate.c
mm/migrate: set swap entry values of THP tail pages properly.
2024-04-13 12:50:09 +02:00
mincore.c
mm/mincore.c: make mincore() more conservative
2019-05-22 07:37:40 +02:00
mlock.c
mm/mlock.c: change count_mm_mlocked_page_nr return type
2019-07-10 09:53:40 +02:00
mm_init.c
mm: access zone->node via zone_to_nid() and zone_set_nid()
2018-08-22 10:52:45 -07:00
mmap.c
mm: Fix TLB flush for not-first PFNMAP mappings in unmap_region()
2022-09-20 12:26:48 +02:00
mmu_context.c
sched/headers: Prepare to move the task_lock()/unlock() APIs to <linux/sched/task.h>
2017-03-02 08:42:38 +01:00
mmu_notifier.c
mm/mmu_notifier: use hlist_add_head_rcu()
2019-07-31 07:27:08 +02:00
mmzone.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mprotect.c
mm, numa: fix bad pmd by atomically check for pmd_trans_huge when marking page tables prot_numa
2020-03-11 14:15:00 +01:00
mremap.c
mmmremap.c: avoid pointless invalidate_range_start/end on mremap(old_size=0)
2022-04-15 14:15:05 +02:00
msync.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nobootmem.c
mm/memblock: add a name for memblock flags enumeration
2018-08-02 12:17:27 -06:00
nommu.c
x86/mm: split vmalloc_sync_all()
2020-03-25 08:06:13 +01:00
oom_kill.c
mm, oom: do not trigger out_of_memory from the #PF
2021-11-26 11:36:17 +01:00
page_alloc.c
mm, vmscan: prevent infinite loop for costly GFP_NOIO | __GFP_RETRY_MAYFAIL allocations
2024-04-13 12:50:12 +02:00
page_counter.c
mm/page_counter.c: fix protection usage propagation
2020-08-21 11:05:33 +02:00
page_ext.c
mm/page_ext.c: fix an imbalance with kmemleak
2019-04-05 22:32:58 +02:00
page_idle.c
mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
2019-07-03 13:14:45 +02:00
page_io.c
mm: fix unexpected zeroed page mapping with zram swap
2022-05-12 12:20:25 +02:00
page_isolation.c
mm, migrate: remove reason argument from new_page_t
2018-04-11 10:28:32 -07:00
page_owner.c
mm/page_owner: don't access uninitialized memmaps when reading /proc/pagetypeinfo
2019-10-29 09:19:58 +01:00
page_poison.c
page_poison: play nicely with KASAN
2019-04-05 22:32:59 +02:00
page_vma_mapped.c
mm/thp: another PVMW_SYNC fix in page_vma_mapped_walk()
2021-07-11 12:49:30 +02:00
page-writeback.c
mm: avoid overflows in dirty throttling logic
2024-08-19 05:32:07 +02:00
pagewalk.c
mm: pagewalk: fix termination condition in walk_pte_range()
2020-10-01 13:14:32 +02:00
percpu-internal.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
percpu-km.c
percpu: convert spin_lock_irq to spin_lock_irqsave.
2019-02-12 19:47:12 +01:00
percpu-stats.c
treewide: Use array_size() in vmalloc()
2018-06-12 16:19:22 -07:00
percpu-vm.c
percpu: allow select gfp to be passed to underlying allocators
2018-02-18 05:33:01 -08:00
percpu.c
treewide: Remove uninitialized_var() usage
2023-08-11 11:45:01 +02:00
pgtable-generic.c
mm/thp: fix __split_huge_pmd_locked() on shmem migration entry
2021-07-11 12:49:27 +02:00
process_vm_access.c
mm: docs: add blank lines to silence sphinx "Unexpected indentation" errors
2018-02-06 18:32:48 -08:00
quicklist.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
readahead.c
vfs: fix readahead(2) on block devices
2023-11-20 10:29:16 +01:00
rmap.c
mm/rmap: Fix anon_vma->degree ambiguity leading to double-reuse
2022-09-05 10:26:34 +02:00
rodata_test.c
mm: fix RODATA_TEST failure "rodata_test: test data was not read only"
2017-10-03 17:54:24 -07:00
shmem.c
mm: revert "mm: shmem: fix data-race in shmem_getattr()"
2024-12-05 10:59:29 +01:00
slab_common.c
mm: slab: fix kmem_cache_create failed when sysfs node not destroyed
2021-07-28 11:13:44 +02:00
slab.c
mm/slab.c: fix an infinite loop in leaks_show()
2019-06-15 11:54:01 +02:00
slab.h
mm: kmemleak: slob: respect SLAB_NOLEAKTRACE flag
2021-11-26 11:36:23 +01:00
slob.c
slab: __GFP_ZERO is incompatible with a constructor
2018-06-07 17:34:34 -07:00
slub.c
treewide: Remove uninitialized_var() usage
2023-08-11 11:45:01 +02:00
sparse-vmemmap.c
mm/sparse: delete old sparse_init and enable new one
2018-08-17 16:20:32 -07:00
sparse.c
mm/sparse: add the missing sparse_buffer_fini() in error branch
2021-05-22 10:59:38 +02:00
swap_cgroup.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
swap_slots.c
mm, swap, get_swap_pages: use entry_size instead of cluster in parameter
2018-08-22 10:52:44 -07:00
swap_state.c
mm/swap_state: fix a data race in swapin_nr_pages
2020-10-01 13:14:47 +02:00
swap.c
treewide: Remove uninitialized_var() usage
2023-08-11 11:45:01 +02:00
swapfile.c
mm/swap: fix swap_info_struct race between swapoff and get_swap_pages()
2023-04-20 12:04:39 +02:00
truncate.c
mm/thp: unmap_mapping_page() to fix THP truncate_cleanup_page()
2021-07-11 12:49:28 +02:00
usercopy.c
mm/usercopy: return 1 from hardened_usercopy __setup() handler
2022-04-15 14:14:59 +02:00
userfaultfd.c
userfaultfd: fix mmap_changing checking in mfill_atomic_hugetlb
2024-03-01 13:06:08 +01:00
util.c
random: move randomize_page() into mm where it belongs
2022-06-25 11:49:12 +02:00
vmacache.c
mm: get rid of vmacache_flush_all() entirely
2018-09-13 15:18:04 -10:00
vmalloc.c
mm/vmalloc.c: don't dereference possible NULL pointer in __vunmap()
2020-06-03 08:19:49 +02:00
vmpressure.c
mm/vmpressure.c: fix a signedness bug in vmpressure_register_event()
2019-10-17 13:45:19 -07:00
vmscan.c
mm, vmscan: prevent infinite loop for costly GFP_NOIO | __GFP_RETRY_MAYFAIL allocations
2024-04-13 12:50:12 +02:00
vmstat.c
mm, vmstat: drop zone->lock in /proc/pagetypeinfo
2021-06-03 08:38:02 +02:00
workingset.c
mm/list_lru: introduce list_lru_shrink_walk_irq()
2018-08-17 16:20:32 -07:00
z3fold.c
z3fold: fix possible reclaim races
2018-12-01 09:37:33 +01:00
zbud.c
mm: docs: fix parameter names mismatch
2018-02-06 18:32:48 -08:00
zpool.c
mm/zpool.c: zpool_evictable: fix mismatch in parameter name and kernel-doc
2018-02-21 15:35:43 -08:00
zsmalloc.c
zsmalloc: fix races between asynchronous zspage free and page migration
2022-06-06 08:24:21 +02:00
zswap.c
zswap: re-check zswap_is_full() after do zswap_shrink()
2018-07-26 19:38:03 -07:00