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Andy Lutomirski 9ab4233dd0 mm: Hold a file reference in madvise_remove 
Otherwise the code races with munmap (causing a use-after-free
of the vma) or with close (causing a use-after-free of the struct
file).

The bug was introduced by commit 90ed52ebe4 ("[PATCH] holepunch: fix
mmap_sem i_mutex deadlock")

Cc: Hugh Dickins <hugh@veritas.com>
Cc: Miklos Szeredi <mszeredi@suse.cz>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Nick Piggin <npiggin@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2012-07-06 10:34:38 -07:00
..
Kconfig Frontswap provides a "transcendent memory" interface for swap pages. 2012-06-04 12:28:45 -07:00
Kconfig.debug
…
Makefile Frontswap provides a "transcendent memory" interface for swap pages. 2012-06-04 12:28:45 -07:00
backing-dev.c
…
bootmem.c mm/bootmem.c: cleanup on addition to bootmem data list 2012-05-29 16:22:24 -07:00
bounce.c
…
cleancache.c ->encode_fh() API change 2012-05-29 23:28:33 -04:00
compaction.c Revert "mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks" 2012-06-03 20:05:57 -07:00
debug-pagealloc.c
…
dmapool.c
…
fadvise.c
…
failslab.c
…
filemap.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-06-01 10:34:35 -07:00
filemap_xip.c fs: introduce inode operation ->update_time 2012-06-01 12:07:25 -04:00
fremap.c
…
frontswap.c frontswap: s/put_page/store/g s/get_page/load 2012-05-15 11:34:08 -04:00
highmem.c
…
huge_memory.c mm/memcg: apply add/del_page to lruvec 2012-05-29 16:22:28 -07:00
hugetlb.c mm: fix vma_resv_map() NULL pointer 2012-05-30 08:48:13 -07:00
hwpoison-inject.c
…
init-mm.c
…
internal.h Revert "mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks" 2012-06-03 20:05:57 -07:00
kmemcheck.c
…
kmemleak-test.c
…
kmemleak.c
…
ksm.c
…
maccess.c
…
madvise.c mm: Hold a file reference in madvise_remove 2012-07-06 10:34:38 -07:00
memblock.c mm/memblock: fix overlapping allocation when doubling reserved array 2012-06-20 14:39:36 -07:00
memcontrol.c mm: fix kernel-doc warnings 2012-06-20 14:39:36 -07:00
memory-failure.c mm/memory_failure: let the compiler add the function name 2012-05-29 16:22:18 -07:00
memory.c mm/memory.c: fix kernel-doc warnings 2012-06-20 14:39:36 -07:00
memory_hotplug.c mm: print physical addresses consistently with other parts of kernel 2012-05-29 16:22:21 -07:00
mempolicy.c mm, mempolicy: fix mbind() to do synchronous migration 2012-06-20 22:10:42 -07:00
mempool.c
…
migrate.c mm: fix warning in __set_page_dirty_nobuffers 2012-06-03 20:05:47 -07:00
mincore.c
…
mlock.c
…
mm_init.c
…
mmap.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-06-01 10:34:35 -07:00
mmu_context.c
…
mmu_notifier.c
…
mmzone.c mm: add link from struct lruvec to struct zone 2012-05-29 16:22:26 -07:00
mprotect.c
…
mremap.c move security_mmap_addr() to saner place 2012-06-01 10:37:16 -04:00
msync.c
…
nobootmem.c mm: remove sparsemem allocation details from the bootmem allocator 2012-05-29 16:22:22 -07:00
nommu.c nommu: fix compilation of nommu.c 2012-06-04 17:17:31 -04:00
oom_kill.c mm: fix kernel-doc warnings 2012-06-20 14:39:36 -07:00
page-writeback.c writeback: initialize global_dirty_limit 2012-05-06 13:41:58 +08:00
page_alloc.c Revert "mm: compaction: handle incorrect MIGRATE_UNMOVABLE type pageblocks" 2012-06-03 20:05:57 -07:00
page_cgroup.c mm: fix kernel-doc warnings 2012-06-20 14:39:36 -07:00
page_io.c frontswap: s/put_page/store/g s/get_page/load 2012-05-15 11:34:08 -04:00
page_isolation.c mm: page_isolation: MIGRATE_CMA isolation functions added 2012-05-21 15:09:33 +02:00
pagewalk.c mm: fix kernel-doc warnings 2012-06-20 14:39:36 -07:00
percpu-km.c
…
percpu-vm.c mm: fix kernel-doc warnings 2012-06-20 14:39:36 -07:00
percpu.c kmemleak: Fix the kmemleak tracking of the percpu areas with !SMP 2012-05-09 10:13:29 -07:00
pgtable-generic.c arch/tile: allow building Linux with transparent huge pages enabled 2012-05-25 12:48:21 -04:00
prio_tree.c
…
process_vm_access.c aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector() 2012-05-31 17:49:32 -07:00
quicklist.c
…
readahead.c mm: move readahead syscall to mm/readahead.c 2012-05-29 16:22:23 -07:00
rmap.c mm: remove swap token code 2012-05-29 16:22:19 -07:00
shmem.c Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2012-07-03 15:45:10 -07:00
slab.c Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux 2012-03-28 15:04:26 -07:00
slob.c
…
slub.c Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux 2012-06-01 16:50:23 -07:00
sparse-vmemmap.c
…
sparse.c mm: remove sparsemem allocation details from the bootmem allocator 2012-05-29 16:22:22 -07:00
swap.c mm/memcg: apply add/del_page to lruvec 2012-05-29 16:22:28 -07:00
swap_state.c mm: fix s390 BUG by __set_page_dirty_no_writeback on swap 2012-04-23 18:19:22 -07:00
swapfile.c swap: fix shmem swapping when more than 8 areas 2012-06-15 21:48:14 -07:00
truncate.c mm/fs: remove truncate_range 2012-05-29 16:22:23 -07:00
util.c new helper: vm_mmap_pgoff() 2012-06-01 10:37:18 -04:00
vmalloc.c mm: fix faulty initialization in vmalloc_init() 2012-05-29 16:22:24 -07:00
vmscan.c mm/memcg: apply add/del_page to lruvec 2012-05-29 16:22:28 -07:00
vmstat.c mm/vmstat.c: remove debug fs entries on failure of file creation and made extfrag_debug_root dentry local 2012-05-29 16:22:19 -07:00