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linux-2.6
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linux-2.6/fs
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Konstantin Khlebnikov 4fe7efdbdf mm: correctly synchronize rss-counters at exit/exec 
do_exit() and exec_mmap() call sync_mm_rss() before mm_release() does
put_user(clear_child_tid) which can update task->rss_stat and thus make
mm->rss_stat inconsistent.  This triggers the "BUG:" printk in check_mm().

Let's fix this bug in the safest way, and optimize/cleanup this later.

Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2012-06-20 14:39:36 -07:00
..
9p kill v9fs_dentry_from_dir_inode() 2012-05-29 23:28:34 -04:00
adfs switch open-coded instances of d_make_root() to new helper 2012-03-20 21:29:35 -04:00
affs affs: bury unused macros 2012-05-29 23:28:34 -04:00
afs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
autofs4 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
befs switch open-coded instances of d_make_root() to new helper 2012-03-20 21:29:35 -04:00
bfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
btrfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2012-06-16 17:01:41 -07:00
cachefiles switch touch_atime to struct path 2012-03-20 21:29:41 -04:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-06-01 10:34:35 -07:00
cifs CIFS: Move get_next_mid to ops struct 2012-06-01 12:35:19 -05:00
coda vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
configfs make configfs_pin_fs() return root dentry on success 2012-03-20 21:29:48 -04:00
cramfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-03-21 13:36:41 -07:00
debugfs debugfs: Add support to print u32 array in debugfs 2012-04-17 00:18:36 -04:00
devpts userns: Convert devpts to use kuid/kgid where appropriate 2012-05-15 14:59:26 -07:00
dlm dlm: NULL dereference on failure in kmem_cache_create() 2012-05-15 10:39:28 -05:00
ecryptfs get rid of pointless allocations and copying in ecryptfs_follow_link() 2012-05-29 23:28:40 -04:00
efs switch open-coded instances of d_make_root() to new helper 2012-03-20 21:29:35 -04:00
exofs exofs: fix sparse non-ANSI function warning 2012-06-12 06:33:22 +03:00
exportfs ->encode_fh() API change 2012-05-29 23:28:33 -04:00
ext2 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
ext3 avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
ext4 ext4: don't set i_flags in EXT4_IOC_SETFLAGS 2012-06-07 19:04:19 -04:00
fat Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-06-01 10:34:35 -07:00
freevxfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
fscache
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fuse Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 2012-06-05 10:11:11 -07:00
gfs2 ->encode_fh() API change 2012-05-29 23:28:33 -04:00
hfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
hfsplus avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
hostfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
hpfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-06-01 10:34:35 -07:00
hppfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
hugetlbfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
isofs ->encode_fh() API change 2012-05-29 23:28:33 -04:00
jbd jbd: Write journal superblock with WRITE_FUA after checkpointing 2012-05-15 23:34:37 +02:00
jbd2 jbd2: use kmem_cache_zalloc wrapper instead of flag 2012-06-01 00:10:32 -04:00
jffs2 - More robust parsing especially of xattr data in JFFS2 2012-06-01 16:55:42 -07:00
jfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
lockd Merge branch 'for-3.5' of git://linux-nfs.org/~bfields/linux 2012-06-01 08:32:58 -07:00
logfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
minix vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
ncpfs fs: introduce inode operation ->update_time 2012-06-01 12:07:25 -04:00
nfs NFS client bugfixes for Linux 3.5 2012-06-15 17:37:23 -07:00
nfs_common
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nfsd nfsd4: BUG_ON(!is_spin_locked()) no good on UP kernels 2012-06-14 13:54:08 -04:00
nilfs2 nilfs2: ensure proper cache clearing for gc-inodes 2012-06-20 14:39:35 -07:00
nls nls: fix (and rename) mac NLS table files and config options 2012-06-01 19:51:22 -07:00
notify fsnotify: remove unused parameter from send_to_group() 2012-05-30 21:04:53 -04:00
ntfs fs: introduce inode operation ->update_time 2012-06-01 12:07:25 -04:00
ocfs2 ocfs: simplify symlink handling 2012-05-29 23:28:40 -04:00
omfs vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
openpromfs switch open-coded instances of d_make_root() to new helper 2012-03-20 21:29:35 -04:00
proc vfs: Fix /proc/<tid>/fdinfo/<fd> file handling 2012-06-04 11:00:45 -07:00
pstore avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
qnx4 qnx4: new helper - try_extent() 2012-03-20 21:29:52 -04:00
qnx6 fs: initial qnx6fs addition 2012-03-20 21:29:38 -04:00
quota quota: Get rid of nested I_MUTEX_QUOTA locking subclass 2012-05-15 23:34:39 +02:00
ramfs tidy up after d_make_root() conversion 2012-03-20 21:29:37 -04:00
reiserfs reiserfs: get rid of resierfs_sync_super 2012-06-01 10:37:36 -04:00
romfs MTD merge for 3.4 2012-03-30 17:31:56 -07:00
squashfs Add an extra mount time sanity check, plus some code cleanups and bug fixes. 2012-03-28 18:05:54 -07:00
sysfs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
sysv vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
ubifs UBIFS: fix debugfs-less systems support 2012-06-07 10:43:54 +03:00
udf ->encode_fh() API change 2012-05-29 23:28:33 -04:00
ufs avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
xfs fs: introduce inode operation ->update_time 2012-06-01 12:07:25 -04:00
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-03-21 13:36:41 -07:00
Kconfig.binfmt C6X: add support to build with BINFMT_ELF_FDPIC 2012-05-15 09:17:34 -04:00
Makefile fs: initial qnx6fs addition 2012-03-20 21:29:38 -04:00
aio.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
anon_inodes.c anon_inodes: move allocation of anon_inode into ->mount() 2012-03-20 21:29:45 -04:00
attr.c vfs: increment iversion when a file is truncated 2012-05-30 21:04:53 -04:00
bad_inode.c mm/fs: remove truncate_range 2012-05-29 16:22:23 -07:00
binfmt_aout.c VM: add "vm_mmap()" helper function 2012-04-20 17:29:13 -07:00
binfmt_elf.c binfmt_elf: switch elf_map() to vm_mmap/vm_munmap 2012-05-30 21:04:55 -04:00
binfmt_elf_fdpic.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
binfmt_em86.c __register_binfmt() made void 2012-03-20 21:29:46 -04:00
binfmt_flat.c binfmt_flat: use vm_munmap, we are missing ->mmap_sem there 2012-05-30 21:04:56 -04:00
binfmt_misc.c vfs: Rename end_writeback() to clear_inode() 2012-05-06 13:43:41 +08:00
binfmt_script.c __register_binfmt() made void 2012-03-20 21:29:46 -04:00
binfmt_som.c VM: add "vm_mmap()" helper function 2012-04-20 17:29:13 -07:00
bio-integrity.c fs: remove the second argument of k[un]map_atomic() 2012-03-20 21:48:21 +08:00
bio.c Merge branch 'for-3.5/core' of git://git.kernel.dk/linux-block 2012-05-30 08:52:42 -07:00
block_dev.c avoid iput() from flusher thread 2012-05-28 09:54:45 -07:00
buffer.c fs: Move bh_cachep to the __read_mostly section 2012-05-30 21:04:52 -04:00
char_dev.c
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compat.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-06-01 11:53:44 -07:00
compat_binfmt_elf.c
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compat_ioctl.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
dcache.c Revert "vfs: stop d_splice_alias creating directory aliases" 2012-06-08 10:34:03 -07:00
dcookies.c
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direct-io.c NFS: Ensure that setattr and getattr wait for O_DIRECT write completion 2012-05-31 11:41:36 -07:00
drop_caches.c
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eventfd.c eventfd: change int to __u64 in eventfd_signal() 2012-05-31 17:49:32 -07:00
eventpoll.c HAVE_RESTORE_SIGMASK is defined on all architectures now 2012-06-01 12:58:46 -04:00
exec.c mm: correctly synchronize rss-counters at exit/exec 2012-06-20 14:39:36 -07:00
fcntl.c switch fcntl to fget_raw_light/fput_light 2012-05-29 23:28:30 -04:00
fhandle.c
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fifo.c
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file.c Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-29 18:12:23 -07:00
file_table.c brlocks/lglocks: API cleanups 2012-05-29 23:28:41 -04:00
filesystems.c
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fs-writeback.c writeback: Fix lock imbalance in writeback_sb_inodes() 2012-06-09 08:32:15 +09:00
fs_struct.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
generic_acl.c
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inode.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
internal.h vfs: split __dentry_open() 2012-06-01 12:12:00 -04:00
ioctl.c
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ioprio.c Merge branch 'for-3.5/core' of git://git.kernel.dk/linux-block 2012-05-30 08:52:42 -07:00
libfs.c vfs: make it possible to access the dentry hash/len as one 64-bit entry 2012-05-10 19:54:35 -07:00
locks.c switch flock to fget_light/fput_light 2012-05-29 23:28:31 -04:00
mbcache.c
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mount.h
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mpage.c
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namei.c vfs: retry last component if opening stale dentry 2012-06-01 12:12:01 -04:00
namespace.c vfs: umount_tree() might be called on subtree that had never made it 2012-05-30 21:04:55 -04:00
no-block.c
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open.c vfs: nameidata_to_filp(): don't throw away file on error 2012-06-01 12:12:01 -04:00
pipe.c fs: introduce inode operation ->update_time 2012-06-01 12:07:25 -04:00
pnode.c brlocks/lglocks: API cleanups 2012-05-29 23:28:41 -04:00
pnode.h
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posix_acl.c
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proc_namespace.c brlocks/lglocks: API cleanups 2012-05-29 23:28:41 -04:00
read_write.c aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector() 2012-05-31 17:49:32 -07:00
read_write.h
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readdir.c switch readdir/getdents to fget_light/fput_light 2012-05-29 23:28:29 -04:00
select.c HAVE_RESTORE_SIGMASK is defined on all architectures now 2012-06-01 12:58:46 -04:00
seq_file.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
signalfd.c switch signalfd4() to fget_light/fput_light 2012-05-29 23:28:30 -04:00
splice.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
stack.c
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stat.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-05-23 17:42:39 -07:00
statfs.c switch statfs to fget_light/fput_light 2012-05-29 23:28:31 -04:00
super.c The following text was taken from the original review request: 2012-03-24 10:24:31 -07:00
sync.c switch do_fsync() to fget_light() 2012-05-29 23:28:29 -04:00
timerfd.c
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utimes.c switch utimes() to fget_light/fput_light 2012-05-29 23:28:32 -04:00
xattr.c switch xattr syscalls to fget_light/fput_light 2012-05-29 23:28:30 -04:00
xattr_acl.c
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