linux-kernelorg-stable/mm
SeongJae Park 4f489fe6af mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write
memcg_path_store() assigns a newly allocated memory buffer to
filter->memcg_path, without deallocating the previously allocated and
assigned memory buffer.  As a result, users can leak kernel memory by
continuously writing a data to memcg_path DAMOS sysfs file.  Fix the leak
by deallocating the previously set memory buffer.

Link: https://lkml.kernel.org/r/20250619183608.6647-2-sj@kernel.org
Fixes: 7ee161f18b ("mm/damon/sysfs-schemes: implement filter directory")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>		[6.3.x]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-06-25 15:55:03 -07:00
..
damon mm/damon/sysfs-schemes: free old damon_sysfs_scheme_filter->memcg_path on write 2025-06-25 15:55:03 -07:00
kasan hardening updates for v6.16-rc1 2025-05-28 07:47:10 -07:00
kfence
kmsan kmsan: test: add module description 2025-06-05 22:02:25 -07:00
Kconfig LoongArch changes for v6.16 2025-06-07 09:56:18 -07:00
Kconfig.debug
Makefile mm: perform VMA allocation, freeing, duplication in mm 2025-05-12 23:50:48 -07:00
backing-dev.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
balloon_compaction.c
bootmem_info.c
cma.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
cma.h mm: cma: set early_pfn and bitmap as a union in cma_memrange 2025-05-22 14:55:36 -07:00
cma_debug.c
cma_sysfs.c
compaction.c mm: page_alloc: tighten up find_suitable_fallback() 2025-05-11 17:48:18 -07:00
debug.c mm/debug: fix parameter passed to page_mapcount_is_type() 2025-05-11 17:48:17 -07:00
debug_page_alloc.c mm/debug_page_alloc: improve error message for invalid guardpage minorder 2025-05-12 23:50:38 -07:00
debug_page_ref.c
debug_vm_pgtable.c mm: remove mk_huge_pte() 2025-05-11 17:48:04 -07:00
dmapool.c dmapool: add NUMA affinity support 2025-05-20 05:34:27 +02:00
dmapool_test.c
early_ioremap.c
execmem.c Revert "mm/execmem: Unify early execmem_cache behaviour" 2025-06-11 11:20:52 +02:00
fadvise.c
fail_page_alloc.c
failslab.c
filemap.c - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
folio-compat.c
gup.c mm/gup: revert "mm: gup: fix infinite loop within __get_longterm_locked" 2025-06-19 20:48:01 -07:00
gup_test.c
gup_test.h
highmem.c
hmm.c RDMA/core: Avoid hmm_dma_map_alloc() for virtual DMA devices 2025-05-25 06:24:21 -04:00
huge_memory.c mm: convert track_pfn_insert() to pfnmap_setup_cachemode*() 2025-05-22 14:55:36 -07:00
hugetlb.c mm/hugetlb: remove unnecessary holding of hugetlb_lock 2025-06-25 15:55:03 -07:00
hugetlb_cgroup.c
hugetlb_cma.c mm/hugetlb: use separate nodemask for bootmem allocations 2025-05-12 23:50:35 -07:00
hugetlb_cma.h
hugetlb_vmemmap.c mm, hugetlb: increment the number of pages to be reset on HVO 2025-04-17 20:10:08 -07:00
hugetlb_vmemmap.h
hwpoison-inject.c
init-mm.c
internal.h mm: move dup_mmap() to mm 2025-05-12 23:50:48 -07:00
interval_tree.c
io-mapping.c mm/io-mapping: track_pfn() -> "pfnmap tracking" 2025-05-22 14:55:37 -07:00
ioremap.c
khugepaged.c mm/khugepaged: clean up refcount check using folio_expected_ref_count() 2025-05-31 22:46:16 -07:00
kmemleak.c mm/alloc_tag: fix the kmemleak false positive issue in the allocation of the percpu variable tag->counters 2025-06-25 15:55:03 -07:00
ksm.c
list_lru.c
maccess.c maccess: fix strncpy_from_user_nofault() empty string handling 2025-05-11 17:54:10 -07:00
madvise.c mm: close theoretical race where stale TLB entries could linger 2025-06-11 22:42:35 -07:00
mapping_dirty_helpers.c
memblock.c memblock: add KHO support for reserve_mem 2025-05-12 23:50:42 -07:00
memcontrol-v1.c memcg: make count_memcg_events re-entrant safe against irqs 2025-05-22 14:55:38 -07:00
memcontrol-v1.h
memcontrol.c - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
memfd.c mm: move folio_index to mm/swap.h and remove no longer needed helper 2025-05-12 23:50:50 -07:00
memory-failure.c
memory-tiers.c
memory.c mm/shmem, swap: fix softlockup with mTHP swapin 2025-06-19 20:48:01 -07:00
memory_hotplug.c mm: use for_each_valid_pfn() in memory_hotplug 2025-05-12 23:50:44 -07:00
mempolicy.c mm/mempolicy: fix incorrect freeing of wi_kobj 2025-06-05 22:02:23 -07:00
mempool.c
memremap.c mm: introduce pfnmap_track() and pfnmap_untrack() and use them for memremap 2025-05-22 14:55:37 -07:00
memtest.c
migrate.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
migrate_device.c - The 6 patch series "Enable strict percpu address space checks" from 2025-04-01 09:29:18 -07:00
mincore.c mm: mincore: use pte_batch_hint() to batch process large folios 2025-05-22 14:55:36 -07:00
mlock.c
mm_init.c - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
mm_slot.h
mmap.c mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() 2025-05-22 14:55:37 -07:00
mmap_lock.c mm: move mmap/vma locking logic into specific files 2025-05-11 17:48:33 -07:00
mmu_gather.c mmu_gather: move tlb flush for VM_PFNMAP/VM_MIXEDMAP vmas into free_pgtables() 2025-05-31 22:46:12 -07:00
mmu_notifier.c Update Christoph's Email address and make it consistent 2025-05-12 23:50:31 -07:00
mmzone.c
mprotect.c mm/huge_memory: remove useless folio pointers passing 2025-05-12 23:50:34 -07:00
mremap.c mm: expose abnormal new_pte during move_ptes 2025-06-05 21:55:41 -07:00
mseal.c
msync.c
nommu.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
numa.c mm/numa: remove unnecessary local variable in alloc_node_data() 2025-05-12 23:50:38 -07:00
numa_emulation.c
numa_memblks.c mm: numa_memblks: introduce numa_add_reserved_memblk 2025-05-22 14:55:36 -07:00
oom_kill.c
page-writeback.c treewide, timers: Rename from_timer() to timer_container_of() 2025-06-08 09:07:37 +02:00
page_alloc.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
page_counter.c
page_ext.c
page_frag_cache.c
page_idle.c
page_io.c mm: Remove swap_writepage() and shmem_writepage() 2025-04-07 09:36:50 +02:00
page_isolation.c mm: page_isolation: avoid calling folio_hstate() without hugetlb_lock 2025-04-01 15:14:43 -07:00
page_owner.c mm: rename try_alloc_pages() to alloc_pages_nolock() 2025-05-22 14:55:37 -07:00
page_poison.c
page_reporting.c
page_reporting.h
page_table_check.c mm/page_table_check: Batch-check pmds/puds just like ptes 2025-05-09 13:43:07 +01:00
page_vma_mapped.c
pagewalk.c
percpu-internal.h
percpu-km.c
percpu-stats.c
percpu-vm.c
percpu.c - The 6 patch series "Enable strict percpu address space checks" from 2025-04-01 09:29:18 -07:00
pgalloc-track.h
pgtable-generic.c
process_vm_access.c
pt_reclaim.c
ptdump.c mm/ptdump: split effective_prot() into level specific callbacks 2025-05-11 17:48:19 -07:00
readahead.c fs: add S_ANON_INODE 2025-04-21 13:20:14 +02:00
rmap.c mm/rmap: fix typo in comment in page_address_in_vma 2025-05-12 23:50:37 -07:00
rodata_test.c
secretmem.c mm: secretmem: convert to .mmap_prepare() hook 2025-05-13 16:28:07 -07:00
shmem.c mm/shmem, swap: fix softlockup with mTHP swapin 2025-06-19 20:48:01 -07:00
shmem_quota.c
show_mem.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
shrinker.c
shrinker_debug.c
shuffle.c
shuffle.h
slab.h
slab_common.c Update Christoph's Email address and make it consistent 2025-05-12 23:50:31 -07:00
slub.c slab updates for 6.16 2025-06-04 08:59:59 -07:00
sparse-vmemmap.c
sparse.c
swap.c memcg: make count_memcg_events re-entrant safe against irqs 2025-05-22 14:55:38 -07:00
swap.h mm/shmem, swap: fix softlockup with mTHP swapin 2025-06-19 20:48:01 -07:00
swap_cgroup.c
swap_state.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
swapfile.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
truncate.c - The 2 patch series "zram: support algorithm-specific parameters" from 2025-06-02 16:00:26 -07:00
usercopy.c
userfaultfd.c mm: userfaultfd: fix race of userfaultfd_move and swap cache 2025-06-19 20:48:01 -07:00
util.c mm: add mmap_prepare() compatibility layer for nested file systems 2025-06-12 21:39:02 -07:00
vma.c mm: add mmap_prepare() compatibility layer for nested file systems 2025-06-12 21:39:02 -07:00
vma.h mm: add mmap_prepare() compatibility layer for nested file systems 2025-06-12 21:39:02 -07:00
vma_exec.c mm: abstract initial stack setup to mm subsystem 2025-05-12 23:50:48 -07:00
vma_init.c mm: convert VM_PFNMAP tracking to pfnmap_track() + pfnmap_untrack() 2025-05-22 14:55:37 -07:00
vma_internal.h
vmalloc.c - The 11 patch series "Add folio_mk_pte()" from Matthew Wilcox 2025-05-31 15:44:16 -07:00
vmpressure.c
vmscan.c fuse update for 6.16 2025-06-02 15:31:05 -07:00
vmstat.c mm: fix vmstat after removing NR_BOUNCE 2025-06-05 22:02:22 -07:00
workingset.c mm: workingset: simplify lockdep check in update_node 2025-05-12 23:50:44 -07:00
zpdesc.h mm: rename page->index to page->__folio_index 2025-05-31 22:46:06 -07:00
zpool.c zsmalloc: prefer the the original page's node for compressed data 2025-05-11 17:48:06 -07:00
zsmalloc.c zsmalloc: cleanup headers includes 2025-05-11 17:48:16 -07:00
zswap.c zsmalloc: prefer the the original page's node for compressed data 2025-05-11 17:48:06 -07:00