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Wang Weiyang 06b2c3b08c mm/memcg: use struct_size() helper in kzalloc() 
Make use of the struct_size() helper instead of an open-coded version,
in order to avoid any potential type mistakes or integer overflows that,
in the worst scenario, could lead to heap overflows.

Link: https://github.com/KSPP/linux/issues/160
Link: https://lkml.kernel.org/r/20211216022024.127375-1-wangweiyang2@huawei.com
Signed-off-by: Wang Weiyang <wangweiyang2@huawei.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-01-15 16:30:27 +02:00
..
damon
mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()'
2021-12-31 09:20:12 -08:00
kasan
kasan: fix quarantine conflicting with init_on_free
2022-01-15 16:30:26 +02:00
kfence
kfence: fix memory leak when cat kfence objects
2021-12-25 12:20:55 -08:00
backing-dev.c
mm: bdi: initialize bdi_min_ratio when bdi is unregistered
2021-12-10 17:10:56 -08:00
balloon_compaction.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
bootmem_info.c
mm/bootmem_info.c: mark __init on register_page_bootmem_info_section
2021-09-03 09:58:14 -07:00
cleancache.c
…
cma_debug.c
mm/cma: change cma mutex to irq safe spinlock
2021-05-05 11:27:21 -07:00
cma_sysfs.c
mm: cma: support sysfs
2021-05-05 11:27:24 -07:00
cma.c
memblock: rename memblock_free to memblock_phys_free
2021-11-06 13:30:41 -07:00
cma.h
mm: cma: support sysfs
2021-05-05 11:27:24 -07:00
compaction.c
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: update comments regarding migration swap entries
2022-01-15 16:30:26 +02:00
debug.c
mm,fs: split dump_mapping() out from dump_page()
2022-01-15 16:30:26 +02:00
dmapool.c
mm/dmapool: use DEVICE_ATTR_RO macro
2021-06-29 10:53:52 -07:00
early_ioremap.c
mm/early_ioremap.c: remove redundant early_ioremap_shutdown()
2021-09-08 11:50:24 -07:00
fadvise.c
…
failslab.c
…
filemap.c
filemap: remove PageHWPoison check from next_uptodate_page()
2021-12-10 17:10:55 -08:00
folio-compat.c
mm/filemap: Add FGP_STABLE
2021-10-18 07:49:41 -04:00
frontswap.c
mm/frontswap.c: use non-atomic '__set_bit()' when possible
2022-01-15 16:30:26 +02:00
gup_test.c
selftests/vm: gup_test: test faulting in kernel, and verify pinnable pages
2021-05-05 11:27:26 -07:00
gup_test.h
selftests/vm: gup_test: fix test flag
2021-05-05 11:27:26 -07:00
gup.c
mm/gup.c: stricter check on THP migration entry during follow_pmd_mask
2022-01-15 16:30:26 +02:00
highmem.c
Fixes for 5.16 folios:
2021-11-25 10:13:56 -08:00
hmm.c
mm/hmm: bypass devmap pte when all pfn requested flags are fulfilled
2021-09-08 18:45:52 -07:00
huge_memory.c
Memory folios
2021-11-01 08:47:59 -07:00
hugetlb_cgroup.c
hugetlb_cgroup: remove unused hugetlb_cgroup_from_counter macro
2021-11-06 13:30:39 -07:00
hugetlb_vmemmap.c
mm: hugetlb: introduce CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON
2021-06-30 20:47:26 -07:00
hugetlb_vmemmap.h
mm: hugetlb: introduce nr_free_vmemmap_pages in the struct hstate
2021-06-30 20:47:25 -07:00
hugetlb.c
hugetlbfs: fix issue of preallocation of gigantic pages can't work
2021-12-10 17:10:56 -08:00
hwpoison-inject.c
mm: hwpoison: don't drop slab caches for offlining non-LRU page
2021-09-03 09:58:15 -07:00
init-mm.c
mm: add setup_initial_init_mm() helper
2021-07-08 11:48:21 -07:00
internal.h
mm: memcontrol: make cgroup_memory_nokmem static
2022-01-15 16:30:27 +02:00
interval_tree.c
mm/interval_tree: add comments to improve code readability
2021-04-30 11:20:38 -07:00
io-mapping.c
mm: add a io_mapping_map_user helper
2021-04-30 11:20:39 -07:00
ioremap.c
mm: move ioremap_page_range to vmalloc.c
2021-09-08 11:50:24 -07:00
Kconfig
percpu: km: ensure it is used with NOMMU (either UP or SMP)
2021-12-06 12:45:09 -05:00
Kconfig.debug
…
khugepaged.c
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
kmemleak.c
kmemleak: fix kmemleak false positive report with HW tag-based kasan enable
2022-01-15 16:30:25 +02:00
ksm.c
mm/migrate: Add folio_migrate_flags()
2021-10-18 07:49:39 -04:00
list_lru.c
mm: list_lru: only add memcg-aware lrus to the global lru list
2021-11-06 13:30:35 -07:00
maccess.c
ARM: 9115/1: mm/maccess: fix unaligned copy_{from,to}_kernel_nofault
2021-08-20 11:39:25 +01:00
madvise.c
mm: use pidfd_get_task()
2021-10-14 13:29:22 +02:00
Makefile
mm/util: Add folio_mapping() and folio_file_mapping()
2021-09-27 09:27:30 -04:00
mapping_dirty_helpers.c
mm/mapping_dirty_helpers: remove double Note in kerneldoc
2021-07-01 11:06:02 -07:00
memblock.c
arm64 fixes for -rc1
2021-11-10 11:29:30 -08:00
memcontrol.c
mm/memcg: use struct_size() helper in kzalloc()
2022-01-15 16:30:27 +02:00
memfd.c
mm,hugetlb: remove mlock ulimit for SHM_HUGETLB
2021-11-09 10:02:48 -08:00
memory_hotplug.c
treewide: Add missing includes masked by cgroup -> bpf dependency
2021-12-03 10:58:13 -08:00
memory-failure.c
mm: shmem: don't truncate page if memory failure happens
2022-01-15 16:30:26 +02:00
memory.c
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
mempolicy.c
mm: mempolicy: fix THP allocations escaping mempolicy restrictions
2021-12-25 12:20:55 -08:00
mempool.c
mm: remove spurious blkdev.h includes
2021-10-18 06:17:01 -06:00
memremap.c
mm/memremap: add ZONE_DEVICE support for compound pages
2022-01-15 16:30:25 +02:00
memtest.c
…
migrate.c
mm/migrate.c: remove MIGRATE_PFN_LOCKED
2021-11-11 09:34:35 -08:00
mincore.c
…
mlock.c
mm/memcg: Add folio_lruvec_relock_irq() and folio_lruvec_relock_irqsave()
2021-09-27 09:27:31 -04:00
mm_init.c
include/linux/page-flags-layout.h: cleanups
2021-04-30 11:20:42 -07:00
mmap_lock.c
mm: mmap_lock: fix disabling preemption directly
2021-07-23 17:43:28 -07:00
mmap.c
mm,hugetlb: remove mlock ulimit for SHM_HUGETLB
2021-11-09 10:02:48 -08:00
mmu_gather.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
mmu_notifier.c
…
mmzone.c
…
mprotect.c
mm/mprotect.c: avoid repeated assignment in do_mprotect_pkey()
2021-11-06 13:30:36 -07:00
mremap.c
mm, hugepages: add mremap() support for hugepage backed vma
2021-11-06 13:30:39 -07:00
msync.c
mm/msync: exit early when the flags is an MS_ASYNC and start < vm_start
2021-04-30 11:20:37 -07:00
nommu.c
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
oom_kill.c
mm/memcg: add oom_group_kill memory event
2022-01-15 16:30:27 +02:00
page_alloc.c
mm/memremap: add ZONE_DEVICE support for compound pages
2022-01-15 16:30:25 +02:00
page_counter.c
mm/page_counter: remove an incorrect call to propagate_protected_usage()
2022-01-15 16:30:27 +02:00
page_ext.c
mm/page_ext.c: fix a comment
2021-11-06 13:30:34 -07:00
page_idle.c
mm/idle_page_tracking: make PG_idle reusable
2021-09-08 11:50:24 -07:00
page_io.c
for-5.16/block-2021-10-29
2021-11-01 09:19:50 -07:00
page_isolation.c
mm/page_isolation: guard against possible putback unisolated page
2021-11-06 13:30:40 -07:00
page_owner.c
mm/page_owner.c: modify the type of argument "order" in some functions
2021-11-11 09:34:35 -08:00
page_poison.c
mm: page_poison: print page info when corruption is caught
2021-04-30 11:20:36 -07:00
page_reporting.c
mm/page_reporting: allow driver to specify reporting order
2021-06-29 10:53:47 -07:00
page_reporting.h
mm/page_reporting: export reporting order as module parameter
2021-06-29 10:53:47 -07:00
page_vma_mapped.c
mm: device exclusive memory access
2021-07-01 11:06:03 -07:00
page-writeback.c
folio: Add a function to get the host inode for a folio
2021-11-10 21:16:52 +00:00
pagewalk.c
mm: pagewalk: fix walk for hugepage tables
2021-06-29 10:53:49 -07:00
percpu-internal.h
Merge branch 'for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu
2021-07-01 17:17:24 -07:00
percpu-km.c
percpu: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu-stats.c
percpu: rework memcg accounting
2021-06-05 20:43:15 +00:00
percpu-vm.c
percpu: flush tlb in pcpu_reclaim_populated()
2021-07-04 18:30:17 +00:00
percpu.c
memblock: use memblock_free for freeing virtual pointers
2021-11-06 13:30:41 -07:00
pgalloc-track.h
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
pgtable-generic.c
mm/thp: fix __split_huge_pmd_locked() on shmem migration entry
2021-06-16 09:24:42 -07:00
process_vm_access.c
mm/process_vm_access.c: remove duplicate include
2021-05-05 11:27:27 -07:00
ptdump.c
mm: ptdump: fix build failure
2021-04-16 16:10:37 -07:00
readahead.c
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
rmap.c
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
rodata_test.c
…
secretmem.c
mm/secretmem: avoid letting secretmem_users drop to zero
2021-10-28 17:18:55 -07:00
shmem.c
shmem: fix a race between shmem_unused_huge_shrink and shmem_evict_inode
2022-01-15 16:30:26 +02:00
shuffle.c
mm: eliminate "expecting prototype" kernel-doc warnings
2021-04-16 16:10:36 -07:00
shuffle.h
mm/shuffle: fix section mismatch warning
2021-05-22 15:09:07 -10:00
slab_common.c
mm: memcontrol: make cgroup_memory_nokmem static
2022-01-15 16:30:27 +02:00
slab.c
mm: emit the "free" trace report before freeing memory in kmem_cache_free()
2021-11-20 10:35:54 -08:00
slab.h
mm: slab: make slab iterator functions static
2022-01-15 16:30:25 +02:00
slob.c
mm: emit the "free" trace report before freeing memory in kmem_cache_free()
2021-11-20 10:35:54 -08:00
slub.c
mm/slub: fix endianness bug for alloc/free_traces attributes
2021-12-10 17:10:56 -08:00
sparse-vmemmap.c
mm: remove redundant smp_wmb()
2021-11-06 13:30:36 -07:00
sparse.c
memblock: use memblock_free for freeing virtual pointers
2021-11-06 13:30:41 -07:00
swap_cgroup.c
…
swap_slots.c
treewide: Add missing includes masked by cgroup -> bpf dependency
2021-12-03 10:58:13 -08:00
swap_state.c
mm/workingset: Convert workingset_refault() to take a folio
2021-10-18 07:49:40 -04:00
swap.c
mm/swap.c:put_pages_list(): reinitialise the page list
2021-11-20 10:35:54 -08:00
swapfile.c
Merge branch 'akpm' (patches from Andrew)
2021-11-06 14:08:17 -07:00
truncate.c
mm/truncate.c: remove unneeded variable
2022-01-15 16:30:26 +02:00
usercopy.c
…
userfaultfd.c
mm: shmem: don't truncate page if memory failure happens
2022-01-15 16:30:26 +02:00
util.c
mm: Remove folio_test_single
2021-11-17 10:36:35 -05:00
vmacache.c
…
vmalloc.c
mm: defer kmemleak object creation of module_alloc()
2022-01-15 16:30:25 +02:00
vmpressure.c
mm/vmpressure: fix data-race with memcg->socket_pressure
2021-11-06 13:30:40 -07:00
vmscan.c
mm: vmscan: reduce throttling due to a failure to make progress -fix
2021-12-31 13:12:55 -08:00
vmstat.c
mm: vmstat.c: make extfrag_index show more pretty
2021-11-06 13:30:42 -07:00
workingset.c
Merge branch 'akpm' (patches from Andrew)
2021-11-09 10:11:53 -08:00
z3fold.c
mm/z3fold: add kerneldoc fields for z3fold_pool
2021-07-01 11:06:03 -07:00
zbud.c
mm/zbud: add kerneldoc fields for zbud_pool
2021-07-01 11:06:03 -07:00
zpool.c
mm: fix typos in comments
2021-05-07 00:26:35 -07:00
zsmalloc.c
mm/zsmalloc.c: close race window between zs_pool_dec_isolated() and zs_unregister_migration()
2021-11-06 13:30:43 -07:00
zswap.c
mm/zswap.c: fix two bugs in zswap_writeback_entry()
2021-06-30 20:47:31 -07:00