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05f564849d
kernel_optimize_test/fs
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Stanislav Kinsbursky 05f564849d proc: check vma->vm_file before dereferencing 
Commit 7b540d0646 ("proc_map_files_readdir(): don't bother with
grabbing files") switched proc_map_files_readdir() to use @f_mode
directly instead of grabbing @file reference, but same time the test for
@vm_file presence was lost leading to nil dereference.  The patch brings
the test back.

The all proc_map_files feature is CONFIG_CHECKPOINT_RESTORE wrapped
(which is set to 'n' by default) so the bug doesn't affect regular
kernels.

The regression is 3.7-rc1 only as far as I can tell.

[gorcunov@openvz.org: provided changelog]
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-11-26 17:41:24 -08:00
..
9p The following changes since commit 4cbe5a555f: 2012-10-12 09:59:23 +09:00
adfs
affs
afs
autofs4 autofs4 - fix reset pending flag on mount fail 2012-10-11 10:21:16 +09:00
befs
bfs
btrfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2012-10-26 09:34:04 -07:00
cachefiles
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2012-10-29 08:49:25 -07:00
cifs cifs: Do not lookup hashed negative dentry in cifs_atomic_open 2012-11-05 06:45:54 -05:00
coda
configfs
cramfs
debugfs
devpts
dlm
ecryptfs
efs
exofs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-12 10:52:03 +09:00
exportfs
ext2 ext2: fix return values on parse_options() failure 2012-10-09 23:23:53 +02:00
ext3 ext3: Avoid underflow of in ext3_trim_fs() 2012-11-19 21:36:12 +01:00
ext4 ext4: fix unjournaled inode bitmap modification 2012-10-28 22:24:57 -04:00
fat fat: drop lock/unlock super 2012-10-09 23:33:38 -04:00
freevxfs
fscache
fuse mm: kill vma flag VM_CAN_NONLINEAR 2012-10-09 16:22:17 +09:00
gfs2 GFS2: Test bufdata with buffer locked and gfs2_log_lock held 2012-11-07 09:43:03 +00:00
hfs
hfsplus
hostfs Merge branch 'for-linus-37rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml 2012-10-10 11:15:20 +09:00
hpfs hpfs: drop lock/unlock super 2012-10-09 23:33:38 -04:00
hppfs hppfs: fix the return value of get_inode() 2012-10-09 22:34:52 +02:00
hugetlbfs mm: replace vma prio_tree with an interval tree 2012-10-09 16:22:39 +09:00
isofs tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking 2012-10-09 23:33:55 -04:00
jbd
jbd2
jffs2 jffs2: Fix lock acquisition order bug in jffs2_write_begin 2012-11-09 17:02:50 +02:00
jfs jfs: Fix FITRIM argument handling 2012-10-17 09:18:38 -05:00
lockd LOCKD: Clear ln->nsm_clnt only when ln->nsm_users is zero 2012-10-24 10:46:22 -04:00
logfs
minix
ncpfs
nfs NFS4: nfs4_opendata_access should return errno 2012-11-02 18:51:54 -04:00
nfs_common
nfsd UAPI Disintegration 2012-10-09 2012-10-09 18:35:22 -04:00
nilfs2 mm: kill vma flag VM_CAN_NONLINEAR 2012-10-09 16:22:17 +09:00
nls
notify fanotify: fix FAN_Q_OVERFLOW case of fanotify_read() 2012-11-18 09:30:00 -10:00
ntfs
ocfs2 mm: kill vma flag VM_CAN_NONLINEAR 2012-10-09 16:22:17 +09:00
omfs
openpromfs
proc proc: check vma->vm_file before dereferencing 2012-11-26 17:41:24 -08:00
pstore pstore: Fix NULL pointer dereference in console writes 2012-11-14 18:30:21 -08:00
qnx4
qnx6
quota Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 2012-10-16 18:12:38 -07:00
ramfs
reiserfs reiserfs: Move quota calls out of write lock 2012-11-19 21:34:33 +01:00
romfs
squashfs
sysfs sysfs: sysfs_pathname/sysfs_add_one: Use strlcat() instead of strcat() 2012-10-24 15:57:14 -07:00
sysv sysv: drop lock/unlock super 2012-10-09 23:33:39 -04:00
ubifs UBIFS: fix mounting problems after power cuts 2012-10-26 16:26:44 +03:00
udf
ufs ufs: drop lock/unlock super 2012-10-09 23:33:39 -04:00
xfs xfs: drop buffer io reference when a bad bio is built 2012-11-17 09:36:57 -06:00
aio.c
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-10-10 12:02:25 +09:00
binfmt_elf.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2012-10-10 12:02:25 +09:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
binfmt_som.c
bio-integrity.c
bio.c vfs: fix: don't increase bio_slab_max if krealloc() fails 2012-10-22 22:00:26 +02:00
block_dev.c Lock splice_read and splice_write functions 2012-10-28 10:59:37 -07:00
buffer.c
char_dev.c char_dev: pin parent kobject 2012-10-22 08:50:37 +03:00
compat_binfmt_elf.c
compat_ioctl.c fs/compat_ioctl.c: VIDEO_SET_SPU_PALETTE missing error check 2012-10-25 14:37:53 -07:00
compat.c vfs: define struct filename and have getname() return it 2012-10-12 20:14:55 -04:00
coredump.c fix a leak in replace_fd() users 2012-10-16 13:36:50 -04:00
coredump.h
dcache.c
dcookies.c
direct-io.c
drop_caches.c
eventfd.c
eventpoll.c revert "epoll: support for disabling items, and a self-test app" 2012-11-09 06:41:46 +01:00
exec.c freezer: exec should clear PF_NOFREEZE along with PF_KTHREAD 2012-10-25 22:28:12 +02:00
fcntl.c Fix F_DUPFD_CLOEXEC breakage 2012-10-09 15:52:31 +09:00
fhandle.c
fifo.c
file_table.c lglock: add DEFINE_STATIC_LGLOCK() 2012-10-10 01:15:44 -04:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-11-18 09:13:48 -10:00
filesystems.c vfs: define struct filename and have getname() return it 2012-10-12 20:14:55 -04:00
fs_struct.c
fs-writeback.c Merge branch 'writeback-for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux 2012-10-12 10:46:03 +09:00
generic_acl.c
inode.c mm: replace vma prio_tree with an interval tree 2012-10-09 16:22:39 +09:00
internal.h vfs: make path_openat take a struct filename pointer 2012-10-12 20:15:09 -04:00
ioctl.c
ioprio.c
Kconfig
Kconfig.binfmt
libfs.c
locks.c UAPI Disintegration 2012-10-09 2012-10-09 18:35:22 -04:00
Makefile
mbcache.c
mount.h
mpage.c
namei.c VFS: don't do protected {sym,hard}links by default 2012-10-26 10:05:07 -07:00
namespace.c vfs: define struct filename and have getname() return it 2012-10-12 20:14:55 -04:00
no-block.c
open.c vfs: make path_openat take a struct filename pointer 2012-10-12 20:15:09 -04:00
pipe.c
pnode.c
pnode.h
posix_acl.c
proc_namespace.c
read_write.c
read_write.h
readdir.c
select.c
seq_file.c
signalfd.c
splice.c
stack.c
stat.c
statfs.c
super.c vfs: drop lock/unlock super 2012-10-09 23:33:39 -04:00
sync.c
timerfd.c
utimes.c
xattr_acl.c userns: Fix posix_acl_file_xattr_userns gid conversion 2012-10-12 13:16:48 -07:00
xattr.c fs, xattr: fix bug when removing a name not in xattr list 2012-10-18 12:35:58 -07:00