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8c380ab4b7
linux/fs/ext4
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Pan Bian 8c380ab4b7 ext4: avoid drop reference to iloc.bh twice 
The reference to iloc.bh has been dropped in ext4_mark_iloc_dirty.
However, the reference is dropped again if error occurs during
ext4_handle_dirty_metadata, which may result in use-after-free bugs.

Fixes: fb265c9cb49e("ext4: add ext4_sb_bread() to disambiguate ENOMEM cases")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
2019-04-25 11:44:15 -04:00
..
acl.c ext4: compare old and new mode before setting update_mode flag 2018-12-10 00:22:38 -05:00
acl.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
balloc.c ext4: use ext4_warning() for sb_getblk failure 2018-08-01 12:02:31 -04:00
bitmap.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
block_validity.c ext4: protect journal inode's blocks using block_validity 2019-04-09 23:37:08 -04:00
dir.c fscrypt: remove filesystem specific build config option 2019-01-23 23:56:43 -05:00
ext4_extents.h ext4: adjust reserved cluster count when removing extents 2018-10-01 14:25:08 -04:00
ext4_jbd2.c ext4: shutdown should not prevent get_write_access 2018-02-18 22:07:36 -05:00
ext4_jbd2.h Miscellaneous ext4 bug fixes for 5.1. 2019-03-24 13:41:37 -07:00
ext4.h ext4: remove incorrect comment for NEXT_ORPHAN() 2019-04-06 18:53:05 -04:00
extents_status.c ext4: use BUG() instead of BUG_ON(1) 2019-04-07 12:24:43 -04:00
extents_status.h ext4: reduce reserved cluster count by number of allocated clusters 2018-10-01 14:24:08 -04:00
extents.c A large number of bug fixes and cleanups. One new feature to allow 2019-03-12 15:03:21 -07:00
file.c ext4: fix data corruption caused by unaligned direct AIO 2019-03-14 23:20:25 -04:00
fsmap.c ext4: make function ‘ext4_getfsmap_find_fixed_metadata’ static 2018-05-10 11:50:04 -04:00
fsmap.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
fsync.c Revert "ext4: use ext4_write_inode() when fsyncing w/o a journal" 2019-01-31 23:41:11 -05:00
hash.c ext4: annotate implicit fall throughs 2019-02-21 10:49:53 -05:00
ialloc.c ext4: use IS_ENCRYPTED() to check encryption status 2019-01-23 23:56:43 -05:00
indirect.c ext4: cleanup bh release code in ext4_ind_remove_space() 2019-03-23 11:56:01 -04:00
inline.c ext4: fix a potential fiemap/page fault deadlock w/ inline_data 2018-12-25 00:56:33 -05:00
inode.c ext4: protect journal inode's blocks using block_validity 2019-04-09 23:37:08 -04:00
ioctl.c Miscellaneous ext4 bug fixes for 5.1. 2019-03-24 13:41:37 -07:00
Kconfig A large number of bug fixes and cleanups. One new feature to allow 2019-03-12 15:03:21 -07:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mballoc.c ext4: make sanity check in mballoc more strict 2019-04-06 18:33:06 -04:00
mballoc.h ext4: fix up remaining files with SPDX cleanups 2017-12-17 22:00:59 -05:00
migrate.c ext4: clean up indentation issues, remove extraneous tabs 2018-12-04 00:16:44 -05:00
mmp.c ext4: don't mark mmp buffer head dirty 2018-09-15 17:11:25 -04:00
move_extent.c ext4: use IS_ENCRYPTED() to check encryption status 2019-01-23 23:56:43 -05:00
namei.c fscrypt: remove filesystem specific build config option 2019-01-23 23:56:43 -05:00
page-io.c A large number of bug fixes and cleanups. One new feature to allow 2019-03-12 15:03:21 -07:00
readpage.c ext4: fix prefetchw of NULL page 2019-04-07 11:54:27 -04:00
resize.c ext4: avoid drop reference to iloc.bh twice 2019-04-25 11:44:15 -04:00
super.c Miscellaneous ext4 bug fixes for 5.1. 2019-03-24 13:41:37 -07:00
symlink.c ext4: switch to fscrypt_get_symlink() 2018-01-11 22:10:40 -05:00
sysfs.c A large number of bug fixes and cleanups. One new feature to allow 2019-03-12 15:03:21 -07:00
truncate.h ext4: handle layout changes to pinned DAX mappings 2018-07-29 17:00:22 -04:00
xattr_security.c ext4: use XATTR_CREATE in ext4_initxattrs() 2018-05-10 11:52:14 -04:00
xattr_trusted.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xattr_user.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xattr.c ext4: ignore e_value_offs for xattrs with value-in-ea-inode 2019-04-10 00:37:36 -04:00
xattr.h ext4: add extra checks to ext4_xattr_block_get() 2018-03-30 20:04:11 -04:00