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Tianyu Li d1b5113674 mm/mempolicy: fix get_nodes out of bound access 
[ Upstream commit 000eca5d044d1ee23b4ca311793cf3fc528da6c6 ]

When user specified more nodes than supported, get_nodes will access nmask
array out of bounds.

Link: https://lkml.kernel.org/r/20220601093211.2970565-1-tianyu.li@arm.com
Fixes: e130242dc351 ("mm: simplify compat numa syscalls")
Signed-off-by: Tianyu Li <tianyu.li@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-17 15:15:26 +02:00
..
damon
mm/damon: use set_huge_pte_at() to make huge pte old
2022-07-03 15:42:32 -07:00
kasan
kasan: fix zeroing vmalloc memory with HW_TAGS
2022-08-17 15:15:26 +02:00
kfence
mm: kfence: apply kmemleak_ignore_phys on early allocated pool
2022-07-18 15:07:51 -07:00
backing-dev.c
init: Initialize noop_backing_dev_info early
2022-06-16 10:55:57 +02:00
balloon_compaction.c
mm/balloon_compaction: make balloon page compaction callbacks static
2022-03-28 16:52:57 -04:00
bootmem_info.c
bootmem: Use page->index instead of page->freelist
2022-01-06 12:27:03 +01:00
cma_debug.c
…
cma_sysfs.c
…
cma.c
Revert "mm/cma.c: remove redundant cma_mutex lock"
2022-05-13 15:11:26 -07:00
cma.h
mm/cma: provide option to opt out from exposing pages on activation failure
2022-03-22 15:57:09 -07:00
compaction.c
mm, compaction: fast_find_migrateblock() should return pfn in the target zone
2022-05-13 16:48:57 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: add tests for __HAVE_ARCH_PTE_SWP_EXCLUSIVE
2022-05-09 18:20:45 -07:00
debug.c
mm: unexport page_init_poison
2022-03-24 19:06:45 -07:00
dmapool.c
mm/dmapool.c: revert "make dma pool to use kmalloc_node"
2022-01-15 16:30:28 +02:00
early_ioremap.c
mm/early_ioremap: declare early_memremap_pgprot_adjust()
2022-03-22 15:57:11 -07:00
fadvise.c
riscv: compat: syscall: Add compat_sys_call_table implementation
2022-04-26 13:36:25 -07:00
failslab.c
mm: fix missing handler for __GFP_NOWARN
2022-05-19 14:08:55 -07:00
filemap.c
filemap: Handle sibling entries in filemap_get_read_batch()
2022-06-20 16:37:45 -04:00
folio-compat.c
fs: Remove aop flags parameter from grab_cache_page_write_begin()
2022-05-08 14:28:19 -04:00
frontswap.c
frontswap: remove support for multiple ops
2022-01-22 08:33:38 +02:00
gup_test.c
…
gup_test.h
…
gup.c
mm/migration: return errno when isolate_huge_page failed
2022-08-17 15:15:26 +02:00
highmem.c
highmem: fix checks in __kmap_local_sched_{in,out}
2022-04-08 14:20:36 -10:00
hmm.c
mm/hmm: fault non-owner device private entries
2022-07-29 11:33:37 -07:00
huge_memory.c
mm: Account dirty folios properly during splits
2022-08-17 15:14:38 +02:00
hugetlb_cgroup.c
hugetlb: add hugetlb.*.numa_stat file
2022-01-15 16:30:29 +02:00
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: fix CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON
2022-06-01 15:57:16 -07:00
hugetlb_vmemmap.h
mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*
2022-04-28 23:16:15 -07:00
hugetlb.c
mm/migration: fix potential pte_unmap on an not mapped pte
2022-08-17 15:15:26 +02:00
hwpoison-inject.c
mm/memory-failure: disable unpoison once hw error happens
2022-06-16 19:11:32 -07:00
init-mm.c
kernel/fork: Initialize mm's PASID
2022-02-14 19:51:47 +01:00
internal.h
mm: split free page with properly free memory accounting and without race
2022-05-27 09:33:43 -07:00
interval_tree.c
…
io-mapping.c
…
ioremap.c
mm: move ioremap_page_range to vmalloc.c
2021-09-08 11:50:24 -07:00
Kconfig
mm: Kconfig: reorganize misplaced mm options
2022-05-27 09:33:47 -07:00
Kconfig.debug
Two followon fixes for the post-5.19 series "Use pageblock_order for cma
2022-05-27 11:40:49 -07:00
khugepaged.c
mm: khugepaged: introduce khugepaged_enter_vma() helper
2022-05-19 14:08:50 -07:00
kmemleak.c
mm: kmemleak: take a full lowmem check in kmemleak_*_phys()
2022-04-15 14:49:56 -07:00
ksm.c
ksm: fix typo in comment
2022-05-25 10:47:48 -07:00
list_lru.c
mm/list_lru.c: revert "mm/list_lru: optimize memcg_reparent_list_lru_node()"
2022-04-08 14:20:36 -10:00
maccess.c
asm-generic updates for 5.18
2022-03-23 18:03:08 -07:00
madvise.c
mm/memory-failure: disable unpoison once hw error happens
2022-06-16 19:11:32 -07:00
Makefile
mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*
2022-04-28 23:16:15 -07:00
mapping_dirty_helpers.c
mm: move tlb_flush_pending inline helpers to mm_inline.h
2022-01-15 16:30:27 +02:00
memblock.c
memblock: test suite and a small cleanup
2022-03-27 13:36:06 -07:00
memcontrol.c
mm: memcontrol: reference to tools/cgroup/memcg_slabinfo.py
2022-06-16 19:11:32 -07:00
memfd.c
memfd: fix F_SEAL_WRITE after shmem huge page allocated
2022-03-05 11:08:32 -08:00
memory_hotplug.c
mm/migration: return errno when isolate_huge_page failed
2022-08-17 15:15:26 +02:00
memory-failure.c
mm/migration: return errno when isolate_huge_page failed
2022-08-17 15:15:26 +02:00
memory.c
Thirteen hotfixes, Eight are cc:stable and the remainder are for post-5.18
2022-07-26 19:38:46 -07:00
mempolicy.c
mm/mempolicy: fix get_nodes out of bound access
2022-08-17 15:15:26 +02:00
mempool.c
mm: remove spurious blkdev.h includes
2021-10-18 06:17:01 -06:00
memremap.c
mm/memremap: fix memunmap_pages() race with get_dev_pagemap()
2022-08-17 15:15:21 +02:00
memtest.c
…
migrate_device.c
mm: remember exclusively mapped anonymous pages with PG_anon_exclusive
2022-05-09 18:20:44 -07:00
migrate.c
mm/migration: fix potential pte_unmap on an not mapped pte
2022-08-17 15:15:26 +02:00
mincore.c
mm: teach core mm about pte markers
2022-05-13 07:20:09 -07:00
mlock.c
mm/munlock: protect the per-CPU pagevec by a local_lock_t
2022-04-01 11:46:09 -07:00
mm_init.c
…
mmap_lock.c
…
mmap.c
powerpc updates for 5.19
2022-05-28 11:27:17 -07:00
mmu_gather.c
mm/mmu_gather: limit free batch count and add schedule point in tlb_batch_pages_flush
2022-04-28 23:16:12 -07:00
mmu_notifier.c
mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()
2022-04-21 20:01:10 -07:00
mmzone.c
Folio changes for 5.18
2022-03-22 17:03:12 -07:00
mprotect.c
mm/hugetlb: handle UFFDIO_WRITEPROTECT
2022-05-13 07:20:11 -07:00
mremap.c
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
2022-05-26 12:32:41 -07:00
msync.c
…
nommu.c
no-MMU: expose vmalloc_huge() for alloc_large_system_hash()
2022-04-25 10:11:49 -07:00
oom_kill.c
mm/oom_kill.c: fix vm_oom_kill_table[] ifdeffery
2022-06-01 15:57:16 -07:00
page_alloc.c
mm: introduce clear_highpage_kasan_tagged
2022-08-17 15:15:26 +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: use for_each_online_node and node_online instead of open coding
2022-04-29 14:36:58 -07:00
page_idle.c
mm: don't be stuck to rmap lock on reclaim path
2022-05-19 14:08:54 -07:00
page_io.c
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
2022-05-26 12:32:41 -07:00
page_isolation.c
mm/page_isolation.c: fix one kernel-doc comment
2022-06-16 19:11:30 -07:00
page_owner.c
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
2022-05-26 12:32:41 -07:00
page_poison.c
…
page_reporting.c
…
page_reporting.h
…
page_table_check.c
Six hotfixes. One from Miaohe Lin is considered a minor thing so it isn't
2022-05-27 11:29:35 -07:00
page_vma_mapped.c
mm: pvmw: add support for walking devmap pages
2022-04-28 23:16:10 -07:00
page-writeback.c
sysctl changes for v5.19-rc1
2022-05-26 16:57:20 -07:00
pagewalk.c
…
percpu-internal.h
percpu: improve percpu_alloc_percpu event trace
2022-05-13 07:20:18 -07:00
percpu-km.c
…
percpu-stats.c
mm: use vmalloc_array and vcalloc for array allocations
2022-03-08 09:30:46 -05:00
percpu-vm.c
…
percpu.c
percpu: improve percpu_alloc_percpu event trace
2022-05-13 07:20:18 -07:00
pgalloc-track.h
…
pgtable-generic.c
mm: avoid unnecessary flush on change_huge_pmd()
2022-05-13 07:20:05 -07:00
process_vm_access.c
…
ptdump.c
mm: sparsemem: use page table lock to protect kernel pmd operations
2022-03-22 15:57:08 -07:00
readahead.c
filemap: Fix serialization adding transparent huge pages to page cache
2022-06-23 12:22:00 -04:00
rmap.c
mm/rmap: fix dereferencing invalid subpage pointer in try_to_migrate_one()
2022-07-03 15:42:33 -07:00
rodata_test.c
…
secretmem.c
secretmem: fix unhandled fault in truncate
2022-07-18 15:07:51 -07:00
shmem.c
tmpfs: fix the issue that the mount and remount results are inconsistent.
2022-07-18 15:07:51 -07:00
shuffle.c
…
shuffle.h
…
slab_common.c
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
2022-05-26 12:32:41 -07:00
slab.c
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
2022-05-26 12:32:41 -07:00
slab.h
slab changes for 5.19
2022-05-25 10:24:04 -07:00
slob.c
mm: make minimum slab alignment a runtime property
2022-05-13 07:20:07 -07:00
slub.c
mm/slub: add missing TID updates on slab deactivation
2022-06-13 17:41:36 +02:00
sparse-vmemmap.c
mm: sparsemem: fix missing higher order allocation splitting
2022-07-03 15:42:32 -07:00
sparse.c
mm/memory-failure.c: move clear_hwpoisoned_pages
2022-05-13 07:20:19 -07:00
swap_cgroup.c
mm: use vmalloc_array and vcalloc for array allocations
2022-03-08 09:30:46 -05:00
swap_slots.c
mm/swap: remove buggy cache->nr check in refill_swap_slots_cache
2022-05-19 14:08:51 -07:00
swap_state.c
mm: filter out swapin error entry in shmem mapping
2022-05-27 09:33:46 -07:00
swap.c
mm: lru_cache_disable: use synchronize_rcu_expedited
2022-06-16 19:11:30 -07:00
swap.h
swap: convert add_to_swap() to take a folio
2022-05-13 07:20:15 -07:00
swapfile.c
Two followon fixes for the post-5.19 series "Use pageblock_order for cma
2022-05-27 11:40:49 -07:00
truncate.c
Filesystem folio changes for 5.18
2022-03-22 18:26:56 -07:00
usercopy.c
usercopy: Make usercopy resilient against ridiculously large copies
2022-06-13 09:54:52 -07:00
userfaultfd.c
mm: userfaultfd: fix UFFDIO_CONTINUE on fallocated shmem pages
2022-07-03 15:42:32 -07:00
util.c
powerpc updates for 5.19
2022-05-28 11:27:17 -07:00
vmacache.c
…
vmalloc.c
kasan: fix zeroing vmalloc memory with HW_TAGS
2022-08-17 15:15:26 +02:00
vmpressure.c
mm/vmpressure: fix data-race with memcg->socket_pressure
2021-11-06 13:30:40 -07:00
vmscan.c
Yang Shi has improved the behaviour of khugepaged collapsing of readonly
2022-05-26 12:32:41 -07:00
vmstat.c
Bitmap patches for 5.19-rc1
2022-06-04 14:04:27 -07:00
workingset.c
memcg: sync flush only if periodic flush is delayed
2022-04-21 20:01:09 -07:00
z3fold.c
mm/z3fold: fix z3fold_page_migrate races with z3fold_map
2022-05-27 09:33:44 -07:00
zbud.c
…
zpool.c
zpool: remove the list of pools_head
2022-01-15 16:30:31 +02:00
zsmalloc.c
zsmalloc: fix races between asynchronous zspage free and page migration
2022-05-13 15:11:26 -07:00
zswap.c
zswap: memcg accounting
2022-05-19 14:08:53 -07:00