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Qian Cai fcf88917dd slab: fix a crash by reading /proc/slab_allocators 
The commit 510ded33e0 ("slab: implement slab_root_caches list")
changes the name of the list node within "struct kmem_cache" from "list"
to "root_caches_node", but leaks_show() still use the "list" which
causes a crash when reading /proc/slab_allocators.

You need to have CONFIG_SLAB=y and CONFIG_MEMCG=y to see the problem,
because without MEMCG all slab caches are root caches, and the "list"
node happens to be the right one.

Fixes: 510ded33e0 ("slab: implement slab_root_caches list")
Signed-off-by: Qian Cai <cai@lca.pw>
Reviewed-by: Tobin C. Harding <tobin@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-04-07 19:23:12 -10:00
..
kasan
kasan: fix variable 'tag' set but not used warning
2019-03-29 10:01:36 -07:00
backing-dev.c
writeback: synchronize sync(2) against cgroup writeback membership switches
2019-01-22 14:39:38 -07:00
balloon_compaction.c
…
cleancache.c
…
cma_debug.c
mm/cma_debug.c: remove static scoped cma_debugfs_root
2019-03-05 21:07:20 -08:00
cma.c
memblock: emphasize that memblock_alloc_range() returns a physical address
2019-03-12 10:04:01 -07:00
cma.h
…
compaction.c
mm/compaction.c: abort search if isolation fails
2019-04-04 11:56:15 +01:00
debug_page_ref.c
…
debug.c
mm/debug.c: fix __dump_page when mapping->host is not set
2019-03-29 10:01:37 -07:00
dmapool.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
early_ioremap.c
…
fadvise.c
…
failslab.c
mm: no need to check return value of debugfs_create functions
2019-03-05 21:07:17 -08:00
filemap.c
filemap: add a comment about FAULT_FLAG_RETRY_NOWAIT behavior
2019-03-15 11:26:07 -07:00
frame_vector.c
…
frontswap.c
…
gup_benchmark.c
mm: no need to check return value of debugfs_create functions
2019-03-05 21:07:17 -08:00
gup.c
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-03-07 17:43:58 -08:00
highmem.c
…
hmm.c
mm/hmm: convert to use vm_fault_t
2019-03-12 10:04:00 -07:00
huge_memory.c
mm/huge_memory.c: fix modifying of page protection by insert_pfn_pmd()
2019-04-05 16:02:31 -10:00
hugetlb_cgroup.c
…
hugetlb.c
mm: update get_user_pages_longterm to migrate pages allocated from CMA region
2019-03-05 21:07:19 -08:00
hwpoison-inject.c
…
init-mm.c
…
internal.h
mm, compaction: capture a page under direct compaction
2019-03-05 21:07:17 -08:00
interval_tree.c
…
Kconfig
…
Kconfig.debug
mm/page_owner: move config option to mm/Kconfig.debug
2019-03-05 21:07:18 -08:00
khugepaged.c
mm: memcontrol: expose THP events on a per-memcg basis
2019-03-05 21:07:19 -08:00
kmemleak-test.c
…
kmemleak.c
kmemleak: powerpc: skip scanning holes in the .bss section
2019-04-05 16:02:30 -10:00
ksm.c
mm: ksm: do not block on page lock when searching stable tree
2019-03-05 21:07:19 -08:00
list_lru.c
numa: make "nr_node_ids" unsigned int
2019-03-05 21:07:19 -08:00
maccess.c
Revert "x86/fault: BUG() when uaccess helpers fault on kernel addresses"
2019-02-25 09:10:51 -08:00
madvise.c
mm/mmu_notifier: use structure for invalidate_range_start/end calls v2
2018-12-28 12:11:50 -08:00
Makefile
…
memblock.c
mm: memblock: update comments and kernel-doc
2019-03-12 10:04:02 -07:00
memcontrol.c
mm: writeback: use exact memcg dirty counts
2019-04-05 16:02:31 -10:00
memfd.c
mm/memfd: add an F_SEAL_FUTURE_WRITE seal to memfd
2019-03-05 21:07:19 -08:00
memory_hotplug.c
mm/memory_hotplug.c: fix notification in offline error path
2019-03-29 10:01:37 -07:00
memory-failure.c
mm: hwpoison: fix thp split handing in soft_offline_in_use_page()
2019-03-05 21:07:13 -08:00
memory.c
mm/memory.c: fix modifying of page protection by insert_pfn()
2019-03-29 10:01:37 -07:00
mempolicy.c
mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
2019-03-29 10:01:37 -07:00
mempool.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
memtest.c
…
migrate.c
mm/migrate.c: add missing flush_dcache_page for non-mapped page migrate
2019-03-29 10:01:37 -07:00
mincore.c
Revert "Change mincore() to count "mapped" pages rather than "cached" pages"
2019-01-24 09:04:37 +13:00
mlock.c
mm: remove zone_lru_lock() function, access ->lru_lock directly
2019-03-05 21:07:21 -08:00
mm_init.c
…
mmap.c
mm: fix some typos in mm directory
2019-03-05 21:07:18 -08:00
mmu_context.c
…
mmu_gather.c
…
mmu_notifier.c
mm/mmu_notifier: use structure for invalidate_range_start/end calls v2
2018-12-28 12:11:50 -08:00
mmzone.c
…
mprotect.c
mm: update ptep_modify_prot_commit to take old pte value as arg
2019-03-05 21:07:18 -08:00
mremap.c
mm,mremap: bail out earlier in mremap_to under map pressure
2019-03-05 21:07:21 -08:00
msync.c
…
nommu.c
…
oom_kill.c
mm,oom: don't kill global init via memory.oom.group
2019-03-05 21:07:19 -08:00
page_alloc.c
mm/hotplug: fix offline undo_isolate_page_range()
2019-03-29 10:01:37 -07:00
page_counter.c
…
page_ext.c
memblock: drop memblock_alloc_*_nopanic() variants
2019-03-12 10:04:02 -07:00
page_idle.c
mm: remove zone_lru_lock() function, access ->lru_lock directly
2019-03-05 21:07:21 -08:00
page_io.c
mm/page_io.c: fix polled swap page in
2019-01-04 13:13:48 -08:00
page_isolation.c
mm/page_isolation.c: fix a wrong flag in set_migratetype_isolate()
2019-03-29 10:01:37 -07:00
page_owner.c
mm: no need to check return value of debugfs_create functions
2019-03-05 21:07:17 -08:00
page_poison.c
page_poison: play nicely with KASAN
2019-03-05 21:07:13 -08:00
page_vma_mapped.c
…
page-writeback.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
pagewalk.c
…
percpu-internal.h
…
percpu-km.c
percpu: km: no need to consider pcpu_group_offsets[0]
2019-02-26 13:47:58 -08:00
percpu-stats.c
…
percpu-vm.c
…
percpu.c
memblock: drop memblock_alloc_*_nopanic() variants
2019-03-12 10:04:02 -07:00
pgtable-generic.c
…
process_vm_access.c
…
quicklist.c
…
readahead.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
rmap.c
mm: remove zone_lru_lock() function, access ->lru_lock directly
2019-03-05 21:07:21 -08:00
rodata_test.c
…
shmem.c
mm/memfd: add an F_SEAL_FUTURE_WRITE seal to memfd
2019-03-05 21:07:19 -08:00
slab_common.c
mm: add support for kmem caches in DMA32 zone
2019-03-29 10:01:37 -07:00
slab.c
slab: fix a crash by reading /proc/slab_allocators
2019-04-07 19:23:12 -10:00
slab.h
mm: add support for kmem caches in DMA32 zone
2019-03-29 10:01:37 -07:00
slob.c
…
slub.c
mm: add support for kmem caches in DMA32 zone
2019-03-29 10:01:37 -07:00
sparse-vmemmap.c
…
sparse.c
mm/hotplug: fix offline undo_isolate_page_range()
2019-03-29 10:01:37 -07:00
swap_cgroup.c
…
swap_slots.c
…
swap_state.c
mm: swap: add comment for swap_vma_readahead
2019-03-05 21:07:16 -08:00
swap.c
mm: remove zone_lru_lock() function, access ->lru_lock directly
2019-03-05 21:07:21 -08:00
swapfile.c
mm/swapfile.c: use struct_size() in kvzalloc()
2019-03-05 21:07:21 -08:00
truncate.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
usercopy.c
mm/usercopy.c: no check page span for stack objects
2019-01-08 17:15:11 -08:00
userfaultfd.c
hugetlbfs: revert "use i_mmap_rwsem for more pmd sharing synchronization"
2019-01-08 17:15:11 -08:00
util.c
mm/util.c: fix strndup_user() comment
2019-04-05 16:02:31 -10:00
vmacache.c
…
vmalloc.c
docs/core-api/mm: fix return value descriptions in mm/
2019-03-05 21:07:20 -08:00
vmpressure.c
…
vmscan.c
mm: remove zone_lru_lock() function, access ->lru_lock directly
2019-03-05 21:07:21 -08:00
vmstat.c
mm: no need to check return value of debugfs_create functions
2019-03-05 21:07:17 -08:00
workingset.c
mm/workingset: remove unused @mapping argument in workingset_eviction()
2019-03-05 21:07:21 -08:00
z3fold.c
…
zbud.c
…
zpool.c
…
zsmalloc.c
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zswap.c
…