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linux/mm
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Al Viro f1aa7c509a memcg_write_event_control(): fix a user-triggerable oops 
commit 046667c4d3196938e992fba0dfcde570aa85cd0e upstream.

we are *not* guaranteed that anything past the terminating NUL
is mapped (let alone initialized with anything sane).

Fixes: 0dea116876 ("cgroup: implement eventfd-based generic API for notifications")
Cc: stable@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-08-29 17:33:16 +02:00
..
damon
mm/damon/core: merge regions aggressively when max_nr_regions is unmet
2024-07-18 13:21:24 +02:00
kasan
kasan/test: avoid gcc warning for intentional overflow
2024-04-03 15:28:20 +02:00
kfence
Merge tag 'loongarch-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
2023-09-08 12:16:52 -07:00
kmsan
kmsan: do not wipe out origin when doing partial unpoisoning
2024-06-16 13:47:41 +02:00
backing-dev.c
blk-wbt: Fix detection of dirty-throttled tasks
2024-02-23 09:25:16 +01:00
balloon_compaction.c
…
bootmem_info.c
…
cma_debug.c
…
cma_sysfs.c
mm: cma: make kobj_type structure constant
2023-03-28 16:20:06 -07:00
cma.c
mm/cma: drop incorrect alignment check in cma_init_reserved_mem
2024-06-16 13:47:42 +02:00
cma.h
…
compaction.c
mm, treewide: introduce NR_PAGE_ORDERS
2024-05-02 16:32:41 +02:00
debug_page_alloc.c
mm: page_alloc: split out DEBUG_PAGEALLOC
2023-06-09 16:25:23 -07:00
debug_page_ref.c
…
debug_vm_pgtable.c
mm/debug_vm_pgtable: drop RANDOM_ORVALUE trick
2024-08-19 06:04:31 +02:00
debug.c
mm: update validate_mm() to use vma iterator
2023-06-09 16:25:31 -07:00
dmapool_test.c
dmapool: add alloc/free performance test
2023-04-05 19:42:38 -07:00
dmapool.c
dmapool: create/destroy cleanup
2023-06-09 16:25:17 -07:00
early_ioremap.c
mm/early_ioremap.c: improve the execution efficiency of early_ioremap_setup()
2023-06-09 16:25:56 -07:00
fadvise.c
mm: remove unnecessary pagevec includes
2023-06-23 16:59:31 -07:00
fail_page_alloc.c
mm: page_alloc: split out FAIL_PAGE_ALLOC
2023-06-09 16:25:23 -07:00
failslab.c
…
filemap.c
mm: page_ref: remove folio_try_get_rcu()
2024-07-25 09:50:56 +02:00
folio-compat.c
filemap: Add fgf_t typedef
2023-07-24 18:04:30 -04:00
gup_test.c
Merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes.
2023-06-23 16:58:19 -07:00
gup_test.h
…
gup.c
mm: gup: stop abusing try_grab_folio
2024-08-19 06:04:24 +02:00
highmem.c
mm: ptep_get() conversion
2023-06-19 16:19:25 -07:00
hmm.c
mm: enable page walking API to lock vmas during the walk
2023-08-21 13:07:20 -07:00
huge_memory.c
mm: gup: stop abusing try_grab_folio
2024-08-19 06:04:24 +02:00
hugetlb_cgroup.c
mm/hugetlb: increase use of folios in alloc_huge_page()
2023-02-13 15:54:27 -08:00
hugetlb_vmemmap.c
mm: hugetlb_vmemmap: fix a race between vmemmap pmd split
2023-08-18 10:12:14 -07:00
hugetlb_vmemmap.h
…
hugetlb.c
mm: gup: stop abusing try_grab_folio
2024-08-19 06:04:24 +02:00
hwpoison-inject.c
…
init-mm.c
mm: move dummy_vm_ops out of a header
2023-08-21 13:37:46 -07:00
internal.h
mm: gup: stop abusing try_grab_folio
2024-08-19 06:04:24 +02:00
interval_tree.c
…
io-mapping.c
…
ioremap.c
mm: ioremap: remove unneeded ioremap_allowed and iounmap_allowed
2023-08-18 10:12:36 -07:00
Kconfig
mm: restrict the pcp batch scale factor to avoid too long latency
2024-08-11 12:47:16 +02:00
Kconfig.debug
mm: page_table_check: Make it dependent on EXCLUSIVE_SYSTEM_RAM
2023-05-29 16:14:28 +01:00
khugepaged.c
Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-08-29 14:25:26 -07:00
kmemleak.c
mm/kmemleak: move up cond_resched() call in page scanning loop
2023-09-02 15:17:34 -07:00
ksm.c
mm/ksm: fix ksm_zero_pages accounting
2024-06-16 13:47:41 +02:00
list_lru.c
…
maccess.c
mm: Fix copy_from_user_nofault().
2023-04-12 17:36:23 -07:00
madvise.c
mm/madvise: make MADV_POPULATE_(READ|WRITE) handle VM_FAULT_RETRY properly
2024-05-02 16:32:40 +02:00
Makefile
Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-08-29 14:25:26 -07:00
mapping_dirty_helpers.c
mm: fix clean_record_shared_mapping_range kernel-doc
2023-08-24 16:20:30 -07:00
memblock.c
x86/numa: Fix the address overlap check in numa_fill_memblks()
2024-03-01 13:35:06 +01:00
memcontrol.c
memcg_write_event_control(): fix a user-triggerable oops
2024-08-29 17:33:16 +02:00
memfd.c
revert "memfd: improve userspace warnings for missing exec-related flags".
2023-09-05 11:11:52 -07:00
memory_hotplug.c
mm/memory_hotplug: fix memmap_on_memory sysfs value retrieval
2024-01-20 11:51:49 +01:00
memory-failure.c
mm/memory-failure: use raw_spinlock_t in struct memory_failure_cpu
2024-08-29 17:33:15 +02:00
memory-tiers.c
memory tier: use helper macro __ATTR_RW()
2023-08-18 10:12:38 -07:00
memory.c
mm: fix old/young bit handling in the faulting path
2024-08-03 08:54:24 +02:00
mempolicy.c
mm/numa_balancing: teach mpol_to_str about the balancing mode
2024-08-03 08:54:25 +02:00
mempool.c
…
memremap.c
mm/memremap.c: fix outdated comment in devm_memremap_pages
2023-02-09 16:51:46 -08:00
memtest.c
memtest: use {READ,WRITE}_ONCE in memory scanning
2024-04-03 15:28:33 +02:00
migrate_device.c
Merge tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-08-31 12:20:12 -07:00
migrate.c
mm/vmscan: fix a bug calling wakeup_kswapd() with a wrong zone index
2024-03-15 10:48:14 -04:00
mincore.c
mm: enable page walking API to lock vmas during the walk
2023-08-21 13:07:20 -07:00
mlock.c
merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes
2023-08-21 14:26:20 -07:00
mm_init.c
efi: disable mirror feature during crashkernel
2024-01-31 16:18:56 -08:00
mm_slot.h
…
mmap_lock.c
mm: mmap_lock: replace get_memcg_path_buf() with on-stack buffer
2024-08-03 08:54:12 +02:00
mmap.c
mm, mmap: fix vma_merge() case 7 with vma_ops->close
2024-04-03 15:28:40 +02:00
mmu_gather.c
mm: fix kernel-doc warning from tlb_flush_rmaps()
2023-08-24 16:20:30 -07:00
mmu_notifier.c
mmu_notifiers: rename invalidate_range notifier
2023-08-18 10:12:41 -07:00
mmzone.c
…
mprotect.c
Merge tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-08-31 12:20:12 -07:00
mremap.c
vm: fix move_vma() memory accounting being off
2023-09-16 15:23:31 -07:00
msync.c
…
nommu.c
Merge tag 'x86_shstk_for_6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2023-08-31 12:20:12 -07:00
oom_kill.c
mm: remove redundant K() macro definition
2023-08-21 13:37:44 -07:00
page_alloc.c
mm/page_alloc: fix pcp->count race between drain_pages_zone() vs __rmqueue_pcplist()
2024-08-11 12:47:16 +02:00
page_counter.c
…
page_ext.c
mm/page_ext: move functions around for minor cleanups to page_ext
2023-08-18 10:12:31 -07:00
page_idle.c
…
page_io.c
zswap: make zswap_load() take a folio
2023-08-21 13:37:27 -07:00
page_isolation.c
mm/hugetlb: get rid of page_hstate()
2023-08-18 10:12:39 -07:00
page_owner.c
mm/page_ext: use page_ext_data helper in page_owner
2023-08-21 13:37:27 -07:00
page_poison.c
mm/page_poison: remove unused page_ext.h from page_poison
2023-08-21 13:37:30 -07:00
page_reporting.c
mm, treewide: introduce NR_PAGE_ORDERS
2024-05-02 16:32:41 +02:00
page_reporting.h
…
page_table_check.c
mm/page_table_check: support userfault wr-protect entries
2024-08-19 06:04:29 +02:00
page_vma_mapped.c
mm: correct stale comment of function check_pte
2023-08-18 10:12:13 -07:00
page-writeback.c
Revert "mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again"
2024-07-11 12:49:16 +02:00
pagewalk.c
mm/pagewalk: fix bootstopping regression from extra pte_unmap()
2023-09-02 08:39:21 -07:00
percpu-internal.h
percpu-internal/pcpu_chunk: re-layout pcpu_chunk structure to reduce false sharing
2023-06-19 16:19:29 -07:00
percpu-km.c
…
percpu-stats.c
…
percpu-vm.c
…
percpu.c
mm: Introduce flush_cache_vmap_early()
2024-02-16 19:10:52 +01:00
pgalloc-track.h
…
pgtable-generic.c
mm: fix race between __split_huge_pmd_locked() and GUP-fast
2024-06-16 13:47:40 +02:00
process_vm_access.c
mm/gup: remove unused vmas parameter from pin_user_pages_remote()
2023-06-09 16:25:25 -07:00
ptdump.c
mm: ptdump should use ptep_get_lockless()
2023-06-19 16:19:24 -07:00
readahead.c
mm: use memalloc_nofs_save() in page_cache_ra_order()
2024-05-17 12:02:36 +02:00
rmap.c
mm: hugetlb: add huge page size param to set_huge_pte_at()
2023-09-29 17:20:47 -07:00
rodata_test.c
…
secretmem.c
mm/secretmem: use a folio in secretmem_fault()
2023-08-21 13:38:02 -07:00
shmem_quota.c
tmpfs: fix race on handling dquot rbtree
2024-04-03 15:28:54 +02:00
shmem.c
mm/shmem: disable PMD-sized page cache if needed
2024-07-18 13:21:24 +02:00
show_mem.c
mm, treewide: introduce NR_PAGE_ORDERS
2024-05-02 16:32:41 +02:00
shrinker_debug.c
Revert "mm: shrinkers: make count and scan in shrinker debugfs lockless"
2023-06-19 13:19:34 -07:00
shuffle.c
…
shuffle.h
mm, treewide: redefine MAX_ORDER sanely
2023-04-05 19:42:46 -07:00
slab_common.c
mm: slab: Do not create kmalloc caches smaller than arch_slab_minalign()
2023-10-11 15:24:49 +02:00
slab.c
Randomized slab caches for kmalloc()
2023-07-18 10:07:47 +02:00
slab.h
Randomized slab caches for kmalloc()
2023-07-18 10:07:47 +02:00
slub.c
mm/slub: remove freelist_dereference()
2023-07-14 09:57:21 +02:00
sparse-vmemmap.c
mm/vmemmap: allow architectures to override how vmemmap optimization works
2023-08-18 10:12:53 -07:00
sparse.c
mm/sparsemem: fix race in accessing memory_section->usage
2024-01-31 16:18:56 -08:00
swap_cgroup.c
…
swap_slots.c
…
swap_state.c
mm/swap: inline folio_set_swap_entry() and folio_swap_entry()
2023-08-24 16:20:28 -07:00
swap.c
mm: remove references to pagevec
2023-06-23 16:59:30 -07:00
swap.h
mm/swap: fix race when skipping swapcache
2024-03-01 13:35:00 +01:00
swapfile.c
mm: swap: fix race between free_swap_and_cache() and swapoff()
2024-04-03 15:28:27 +02:00
truncate.c
Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2023-08-29 14:25:26 -07:00
usercopy.c
mm: Fix copy_from_user_nofault().
2023-04-12 17:36:23 -07:00
userfaultfd.c
mm/userfaultfd: Do not place zeropages when zeropages are disallowed
2024-06-12 11:11:33 +02:00
util.c
parisc: fix mmap_base calculation when stack grows upwards
2023-11-28 17:20:08 +00:00
vmalloc.c
mm: vmalloc: check if a hash-index is in cpu_possible_mask
2024-07-18 13:21:20 +02:00
vmpressure.c
net-memcg: Fix scope of sockmem pressure indicators
2023-08-16 12:21:32 +01:00
vmscan.c
mm/mglru: fix ineffective protection calculation
2024-08-03 08:54:33 +02:00
vmstat.c
mm, treewide: introduce NR_PAGE_ORDERS
2024-05-02 16:32:41 +02:00
workingset.c
mm: ratelimit stat flush from workingset shrinker
2024-06-16 13:47:31 +02:00
z3fold.c
mm/z3fold: remove obsolete comment for struct z3fold_pool
2023-08-21 13:37:51 -07:00
zbud.c
mm: zswap: remove shrink from zpool interface
2023-06-19 16:19:27 -07:00
zpool.c
mm: zswap: remove shrink from zpool interface
2023-06-19 16:19:27 -07:00
zsmalloc.c
merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes
2023-08-21 14:26:20 -07:00
zswap.c
mm: zswap: fix missing folio cleanup in writeback race path
2024-03-01 13:35:10 +01:00