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533061710d4eb5eb1e9b65da42c5e8317c34d92c
linux/mm
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zhong jiang d9bb247386 memfd: Use radix_tree_deref_slot_protected to avoid the warning. 
The commit 3ce6b467b9 ("memfd: Fix locking when tagging pins")
introduces the following warning messages.

*WARNING: suspicious RCU usage in memfd_wait_for_pins*

It is because we still use radix_tree_deref_slot without read_rcu_lock.
We should use radix_tree_deref_slot_protected instead in the case.

Cc: stable@vger.kernel.org
Fixes: 3ce6b467b9 ("memfd: Fix locking when tagging pins")
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-05-15 15:11:02 +09:00
..
kasan
kasan: avoid -Wmaybe-uninitialized warning
2023-05-15 12:37:55 +09:00
backing-dev.c
writeback: synchronize sync(2) against cgroup writeback membership switches
2023-05-15 12:52:00 +09:00
balloon_compaction.c
mm: balloon: use general non-lru movable page feature
2016-07-26 16:19:19 -07:00
bootmem.c
mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping
2016-10-11 15:06:33 -07:00
cleancache.c
…
cma_debug.c
mm/cma_debug.c: fix the break condition in cma_maxchunk_get()
2023-05-15 13:47:15 +09:00
cma.c
mm/cma.c: fail if fixed declaration can't be honored
2023-05-15 14:09:18 +09:00
cma.h
codec_mm: add reserved & cma support for 4.9. [1/1]
2018-11-05 05:36:36 -07:00
compaction.c
Amlogic: sync the code from mainline. [1/1]
2020-02-04 13:48:58 +09:00
debug_page_ref.c
…
debug.c
mm: get rid of vmacache_flush_all() entirely
2023-05-15 08:15:04 +09:00
dmapool.c
…
early_ioremap.c
mm/early_ioremap: Fix boot hang with earlyprintk=efi,keep
2018-02-25 11:05:49 +01:00
fadvise.c
mm/fadvise.c: fix signed overflow UBSAN complaint
2023-05-12 17:25:57 +09:00
failslab.c
…
filemap.c
mm/filemap.c: don't initiate writeback if mapping has no dirty pages
2023-05-15 14:59:23 +09:00
frame_vector.c
mm/frame_vector.c: release a semaphore in 'get_vaddr_frames()'
2023-05-15 09:13:14 +09:00
frontswap.c
mm, frontswap: convert frontswap_enabled to static key
2016-07-26 16:19:19 -07:00
gup.c
mm: prevent get_user_pages() from overflowing page refcount
2023-05-15 13:40:39 +09:00
highmem.c
…
huge_memory.c
mm, page_owner: handle THP splits correctly
2023-05-15 14:21:19 +09:00
hugetlb_cgroup.c
mm: hugetlb: switch to css_tryget() in hugetlb_cgroup_charge_cgroup()
2023-05-15 15:07:45 +09:00
hugetlb.c
hugetlbfs: on restore reserve error path retain subpool reservation
2023-05-15 13:47:09 +09:00
hwpoison-inject.c
…
init-mm.c
mm: Add a user_ns owner to mm_struct and fix ptrace permission checks
2017-01-06 10:40:13 +01:00
internal.h
mm: use is_migrate_highatomic() to simplify the code
2020-12-17 17:23:23 +09:00
interval_tree.c
…
Kconfig
mm: don't allow deferred pages with NEED_PER_CPU_KM
2018-05-22 16:57:57 +02:00
Kconfig.debug
PM / Hibernate: allow hibernation with PAGE_POISONING_ZERO
2016-09-13 02:35:27 +02:00
khugepaged.c
coredump: fix race condition between collapse_huge_page() and core dumping
2023-05-15 14:09:44 +09:00
kmemcheck.c
…
kmemleak-test.c
…
kmemleak.c
mm/kmemleak.c: fix check for softirq context
2023-05-15 14:08:12 +09:00
ksm.c
Amlogic: sync the code from mainline. [1/1]
2020-02-04 13:48:58 +09:00
list_lru.c
mm/list_lru.c: fix memory leak in __memcg_init_list_lru_node
2023-05-15 13:48:37 +09:00
maccess.c
…
madvise.c
mm: madvise(MADV_DODUMP): allow hugetlbfs pages
2023-05-15 08:33:50 +09:00
Makefile
Disable the __builtin_return_address() warning globally after all
2016-10-12 10:23:41 -07:00
memblock.c
mm/memblock.c: reversed logic in memblock_discard()
2017-08-30 10:21:47 +02:00
memcontrol.c
mm: memcg: switch to css_tryget() in get_mem_cgroup_from_mm()
2023-05-15 15:07:43 +09:00
memory_hotplug.c
mm, memory_hotplug: test_pages_in_a_zone do not pass the end of zone
2023-05-15 11:50:40 +09:00
memory-failure.c
mm: hwpoison: fix thp split handing in soft_offline_in_use_page()
2023-05-15 12:06:12 +09:00
memory.c
mm: stop leaking PageTables
2023-05-15 11:34:46 +09:00
mempolicy.c
mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
2023-05-15 12:16:43 +09:00
mempool.c
Revert "mm, mempool: only set __GFP_NOMEMALLOC if there are free elements"
2016-07-28 16:07:41 -07:00
memtest.c
…
migrate.c
hugetlbfs: fix races and page leaks during migration
2023-05-15 11:50:08 +09:00
mincore.c
mm/mincore.c: make mincore() more conservative
2023-05-15 12:51:27 +09:00
mlock.c
mm/mlock.c: change count_mm_mlocked_page_nr return type
2023-05-15 13:56:52 +09:00
mm_init.c
…
mmap.c
coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping
2023-05-15 14:09:41 +09:00
mmu_context.c
…
mmu_notifier.c
mm/mmu_notifier: use hlist_add_head_rcu()
2023-05-15 14:08:15 +09:00
mmzone.c
mm: optimize for lowmemory killer
2018-04-17 17:58:08 -08:00
mprotect.c
x86/speculation/l1tf: Disallow non privileged high MMIO PROT_NONE mappings
2023-05-12 16:53:04 +09:00
mremap.c
mremap: properly flush TLB before releasing the page (CVE-2018-18281)
2020-12-17 17:23:22 +09:00
msync.c
…
nobootmem.c
mm: discard memblock data later
2017-08-24 17:12:19 -07:00
nommu.c
ptrace: Don't allow accessing an undumpable mm
2017-01-06 10:40:13 +01:00
oom_kill.c
oom, oom_reaper: do not enqueue same task twice
2023-05-15 11:24:09 +09:00
page_alloc.c
mem-hotplug: fix node spanned pages when we have a node with only ZONE_MOVABLE
2023-05-15 13:47:11 +09:00
page_counter.c
…
page_ext.c
mm/page_ext.c: fix an imbalance with kmemleak
2023-05-15 12:16:51 +09:00
page_idle.c
mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
2023-05-15 13:56:01 +09:00
page_io.c
mm/page_io.c: replace some BUG_ON()s with VM_BUG_ON_PAGE()
2016-10-07 18:46:29 -07:00
page_isolation.c
mm: optimize for CMA allocate time
2018-03-05 15:34:36 +08:00
page_owner.c
mm/page_owner: don't define fields on struct page_ext by hard-coding
2016-10-07 18:46:27 -07:00
page_poison.c
mm: check the return value of lookup_page_ext for all call sites
2016-06-03 15:06:22 -07:00
page-writeback.c
mm/page-writeback.c: don't break integrity writeback on ->writepage() error
2023-05-15 11:05:30 +09:00
pagewalk.c
mm/pagewalk.c: report holes in hugetlb ranges
2017-11-24 08:33:42 +01:00
percpu-km.c
…
percpu-vm.c
…
percpu.c
percpu: stop printing kernel addresses
2023-05-15 12:28:14 +09:00
pgtable-generic.c
…
process_vm_access.c
mm: remove write/force parameters from __get_user_pages_unlocked()
2016-10-18 14:13:37 -07:00
quicklist.c
…
readahead.c
Merge branch 'android-4.9' into amlogic-4.9-dev
2018-04-24 17:43:19 +08:00
rmap.c
mm: migration: fix migration of huge PMD shared pages
2023-05-15 09:27:49 +09:00
shmem.c
memfd: Use radix_tree_deref_slot_protected to avoid the warning.
2023-05-15 15:11:02 +09:00
slab_common.c
mm: don't warn about large allocations for slab
2023-05-15 09:57:36 +09:00
slab.c
mm/slab.c: fix an infinite loop in leaks_show()
2023-05-15 13:47:17 +09:00
slab.h
slub: move synchronize_sched out of slab_mutex on shrink
2017-03-22 12:43:38 +01:00
slob.c
slub: move synchronize_sched out of slab_mutex on shrink
2017-03-22 12:43:38 +01:00
slub.c
mm/slub: fix a deadlock in show_slab_objects()
2023-05-15 14:50:53 +09:00
sparse-vmemmap.c
treewide: replace obsolete _refok by __ref
2016-08-02 17:31:41 -04:00
sparse.c
mm/memory_hotplug: set magic number to page->freelist instead of page->lru.next
2017-10-21 17:21:36 +02:00
swap_cgroup.c
mm, swap_cgroup: reschedule when neeed in swap_cgroup_swapoff()
2017-07-05 14:40:17 +02:00
swap_state.c
Amlogic: sync the code from mainline. [1/1]
2020-02-04 13:48:58 +09:00
swap.c
mm: optimize for lowmemory killer
2018-04-17 17:58:08 -08:00
swapfile.c
x86/speculation/l1tf: Limit swap file size to MAX_PA/2
2023-05-12 16:53:07 +09:00
truncate.c
mm: cleancache: fix corruption on missed inode invalidation
2023-05-15 10:06:15 +09:00
usercopy.c
usercopy: Avoid HIGHMEM pfn warning
2023-05-15 14:47:39 +09:00
userfaultfd.c
…
util.c
mm: page_mapped: don't assume compound page is huge or THP
2023-05-15 11:00:59 +09:00
vmacache.c
Amlogic: sync the code from mainline. [1/1]
2020-02-04 13:48:58 +09:00
vmalloc.c
mm/vmalloc: Sync unmappings in __purge_vmap_area_lazy()
2023-05-15 14:16:44 +09:00
vmpressure.c
mm: vmpressure: fix sending wrong events on underflow
2017-03-12 06:41:43 +01:00
vmscan.c
mm: remove seemingly spurious reclaimability check from laptop_mode gating
2023-05-15 08:11:03 +09:00
vmstat.c
mm, vmstat: hide /proc/pagetypeinfo from normal users
2023-05-15 14:57:51 +09:00
workingset.c
mm: workingset: fix premature shadow node shrinking with cgroups
2017-04-08 09:30:36 +02:00
z3fold.c
mm/z3fold.c: avoid modifying HEADLESS page and minor cleanup
2016-06-03 16:02:55 -07:00
zbud.c
…
zpool.c
…
zsmalloc.c
mm/zsmalloc.c: fix build when CONFIG_COMPACTION=n
2023-05-15 14:22:22 +09:00
zswap.c
zswap: re-check zswap_is_full() after do zswap_shrink()
2023-05-12 17:14:18 +09:00