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linux/fs/ext4
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Daeho Jeong b1574caf96 ext4: fix inode checksum calculation problem if i_extra_size is small 
commit 05ac5aa18a upstream.

We've fixed the race condition problem in calculating ext4 checksum
value in commit b47820edd1 ("ext4: avoid modifying checksum fields
directly during checksum veficationon"). However, by this change,
when calculating the checksum value of inode whose i_extra_size is
less than 4, we couldn't calculate the checksum value in a proper way.
This problem was found and reported by Nix, Thank you.

Reported-by: Nix <nix@esperi.org.uk>
Signed-off-by: Daeho Jeong <daeho.jeong@samsung.com>
Signed-off-by: Youngjin Gil <youngjin.gil@samsung.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2017-04-21 09:31:23 +02:00
..
acl.c posix_acl: Clear SGID bit when setting file permissions 2016-09-22 10:55:32 +02:00
acl.h ext2/3/4: use generic posix ACL infrastructure 2014-01-25 23:58:19 -05:00
balloc.c The major change this cycle is deleting ext4's copy of the file system 2016-07-26 18:35:55 -07:00
bitmap.c ext4: remove unused header files 2015-04-02 23:47:42 -04:00
block_validity.c ext4: add missing KERN_CONT to a few more debugging uses 2016-10-15 09:57:31 -04:00
dir.c ext4: remove unused variable 2016-09-30 02:14:56 -04:00
ext4.h ext4: sanity check the block and cluster size at mount time 2016-11-19 20:58:15 -05:00
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: do not perform data journaling when data is encrypted 2017-01-06 10:40:14 +01:00
extents.c ext4: do not polute the extents cache while shifting extents 2017-03-12 06:41:45 +01:00
extents_status.c ext4: remove trailing \n from ext4_warning/ext4_error calls 2016-04-27 01:11:21 -04:00
extents_status.h ext4: move procfs registration code to fs/ext4/sysfs.c 2015-09-23 12:46:17 -04:00
file.c Merge branch 'work.xattr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 17:11:50 -07:00
fsync.c ext4: cleanup ext4_sync_parent() 2016-09-05 23:21:43 -04:00
hash.c ext4: remove unused header files 2015-04-02 23:47:42 -04:00
ialloc.c ext4: remove old feature helpers 2016-09-05 23:11:58 -04:00
indirect.c ext4: refactor direct IO code 2016-05-13 00:44:16 -04:00
inline.c ext4: mark inode dirty after converting inline directory 2017-03-30 09:41:25 +02:00
inode.c ext4: fix inode checksum calculation problem if i_extra_size is small 2017-04-21 09:31:23 +02:00
ioctl.c Lots of bug fixes and cleanups. 2016-10-07 15:15:33 -07:00
Kconfig ext4 crypto: migrate into vfs's crypto engine 2016-07-10 14:01:03 -04:00
Makefile ext4 crypto: migrate into vfs's crypto engine 2016-07-10 14:01:03 -04:00
mballoc.c ext4: trim allocation requests to group size 2017-03-12 06:41:46 +01:00
mballoc.h ext4: add missing KERN_CONT to a few more debugging uses 2016-10-15 09:57:31 -04:00
migrate.c ext4: fix misspellings in comments. 2016-03-09 23:49:05 -05:00
mmp.c fs: have submit_bh users pass in op and flags separately 2016-06-07 13:41:38 -06:00
move_extent.c ext4: enforce online defrag restriction for encrypted files 2016-08-29 15:45:11 -04:00
namei.c ext4: fix use-after-iput when fscrypt contexts are inconsistent 2017-03-12 06:41:46 +01:00
page-io.c fs: use mapping_set_error instead of opencoded set_bit 2016-10-11 15:06:33 -07:00
readpage.c Merge branch 'akpm' (patches from Andrew) 2016-07-26 19:55:54 -07:00
resize.c ext4: remove trailing \n from ext4_warning/ext4_error calls 2016-04-27 01:11:21 -04:00
super.c ext4: fix fencepost in s_first_meta_bg validation 2017-03-26 13:05:58 +02:00
symlink.c Merge branch 'work.xattr' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-10-10 17:11:50 -07:00
sysfs.c ext4: do not advertise encryption support when disabled 2016-10-12 23:24:51 -04:00
truncate.h ext4: fix races between page faults and hole punching 2015-12-07 14:28:03 -05:00
xattr.c ext4: lock the xattr block before checksuming it 2017-03-30 09:41:25 +02:00
xattr.h ext4: fix deadlock between inline_data and ext4_expand_extra_isize_ea() 2017-03-12 06:41:41 +01:00
xattr_security.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr_trusted.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00
xattr_user.c switch xattr_handler->set() to passing dentry and inode separately 2016-05-27 15:39:43 -04:00