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9dd78d8c9a
linux/fs/ext4
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Miklos Szeredi 9dd78d8c9a ext4: use dget_parent() in ext4_file_open() 
In f_op->open() lock on parent is not held, so there's no guarantee that
parent dentry won't go away at any time.

Even after this patch there's no guarantee that 'dir' will stay the parent
of 'inode', but at least it won't be freed while being used.

Fixes: ff978b09f9 ("ext4 crypto: move context consistency check to ext4_file_open()")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: <stable@vger.kernel.org> # v4.5
2016-03-26 16:14:41 -04:00
..
acl.c ext4: remove unused header files 2015-04-02 23:47:42 -04:00
acl.h ext2/3/4: use generic posix ACL infrastructure 2014-01-25 23:58:19 -05:00
balloc.c ext4: fix scheduling in atomic on group checksum failure 2016-02-11 23:15:12 -05:00
bitmap.c ext4: remove unused header files 2015-04-02 23:47:42 -04:00
block_validity.c ext4: call out CRC and corruption errors with specific error codes 2015-10-17 16:16:04 -04:00
crypto_fname.c ext4: Use skcipher 2016-01-27 20:35:55 +08:00
crypto_key.c ext4: Use skcipher 2016-01-27 20:35:55 +08:00
crypto_policy.c ext4 crypto: replace some BUG_ON()'s with error checks 2015-10-03 10:49:27 -04:00
crypto.c ext4 crypto: don't let data integrity writebacks fail with ENOMEM 2016-03-26 16:14:34 -04:00
dir.c ext4: fix memleak in ext4_readdir() 2016-02-16 00:20:19 -05:00
ext4_crypto.h ext4: Use skcipher 2016-01-27 20:35:55 +08:00
ext4_extents.h ext4: fix misspellings in comments. 2016-03-09 23:49:05 -05:00
ext4_jbd2.c ext4: fix potential use after free in __ext4_journal_stop 2015-10-17 22:57:06 -04:00
ext4_jbd2.h ext4: clean up feature test macros with predicate functions 2015-10-17 16:18:43 -04:00
ext4.h ext4 crypto: don't let data integrity writebacks fail with ENOMEM 2016-03-26 16:14:34 -04:00
extents_status.c ext4: fix setting of referenced bit in ext4_es_lookup_extent() 2016-03-09 22:26:55 -05:00
extents_status.h ext4: move procfs registration code to fs/ext4/sysfs.c 2015-09-23 12:46:17 -04:00
extents.c ext4: fix misspellings in comments. 2016-03-09 23:49:05 -05:00
file.c ext4: use dget_parent() in ext4_file_open() 2016-03-26 16:14:41 -04:00
fsync.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
hash.c ext4: remove unused header files 2015-04-02 23:47:42 -04:00
ialloc.c ext4: fix misspellings in comments. 2016-03-09 23:49:05 -05:00
indirect.c ext4: return hole from ext4_map_blocks() 2016-03-09 22:54:00 -05:00
inline.c ext4: drop unneeded BUFFER_TRACE in ext4_delete_inline_entry() 2016-03-10 00:18:57 -05:00
inode.c xfs: Changes for 4.6-rc1 2016-03-21 11:53:05 -07:00
ioctl.c ext4: online defrag not supported with DAX 2016-02-27 10:28:52 -08:00
Kconfig ext4: Update EXT4_USE_FOR_EXT2 description 2015-09-24 13:27:47 +02:00
Makefile ext4: move sysfs code from super.c to fs/ext4/sysfs.c 2015-09-23 12:44:17 -04:00
mballoc.c ext4: use __GFP_NOFAIL in ext4_free_blocks() 2016-03-13 17:29:06 -04:00
mballoc.h ext4: fix compile error while opening the macro DOUBLE_CHECK 2016-03-13 17:18:12 -04:00
migrate.c ext4: fix misspellings in comments. 2016-03-09 23:49:05 -05:00
mmp.c ext4: clean up error handling in the MMP support 2016-03-13 17:56:52 -04:00
move_extent.c ext4: iterate over buffer heads correctly in move_extent_per_page() 2016-03-09 21:37:53 -05:00
namei.c ext4 crypto: move context consistency check to ext4_file_open() 2016-02-08 00:54:26 -05:00
page-io.c ext4 crypto: don't let data integrity writebacks fail with ENOMEM 2016-03-26 16:14:34 -04:00
readpage.c ext4 crypto: don't let data integrity writebacks fail with ENOMEM 2016-03-26 16:14:34 -04:00
resize.c ext4: fix potential integer overflow 2016-02-12 01:15:59 -05:00
super.c Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 2016-03-21 12:22:37 -07:00
symlink.c Merge branch 'work.symlinks' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-01-11 13:13:23 -08:00
sysfs.c ext4: add "static" to ext4_seq_##name##_fops struct 2015-11-26 15:52:24 -05:00
truncate.h ext4: fix races between page faults and hole punching 2015-12-07 14:28:03 -05:00
xattr_security.c xattr handlers: Simplify list operation 2015-12-13 19:46:12 -05:00
xattr_trusted.c xattr handlers: Simplify list operation 2015-12-13 19:46:12 -05:00
xattr_user.c xattr handlers: Simplify list operation 2015-12-13 19:46:12 -05:00
xattr.c ext4: check if in-inode xattr is corrupted in ext4_expand_extra_isize_ea() 2016-03-22 16:13:15 -04:00
xattr.h mbcache2: rename to mbcache 2016-02-22 22:35:22 -05:00