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dd01b690f8
linux/fs/ext4
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Eric Biggers dd01b690f8 ext4: fix use-after-iput when fscrypt contexts are inconsistent 
In the case where the child's encryption context was inconsistent with
its parent directory, we were using inode->i_sb and inode->i_ino after
the inode had already been iput().  Fix this by doing the iput() in the
correct places.

Note: only ext4 had this bug, not f2fs and ubifs.

Fixes: d9cdc90331 ("ext4 crypto: enforce context consistency")
Cc: stable@vger.kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-02-01 21:07:11 -05:00
..
acl.c ext4: use current_time() for inode timestamps 2016-11-14 21:40:10 -05:00
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_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 2016-12-10 17:54:58 -05:00
ext4.h ext4: propagate error values from ext4_inline_data_truncate() 2017-01-22 19:35:49 -05:00
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
extents.c ext4: do not polute the extents cache while shifting extents 2017-01-08 21:00:35 -05:00
file.c ext4: Simplify DAX fault path 2016-12-26 20:29:25 -08:00
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 fscrypt: use ENOKEY when file cannot be created w/o key 2016-12-31 16:26:20 -05:00
indirect.c ext4: refactor direct IO code 2016-05-13 00:44:16 -04:00
inline.c ext4: propagate error values from ext4_inline_data_truncate() 2017-01-22 19:35:49 -05:00
inode.c ext4: fix data corruption in data=journal mode 2017-01-27 14:35:38 -05:00
ioctl.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
Kconfig ext4: Add select for CONFIG_FS_IOMAP 2016-11-22 23:21:58 -05:00
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 2017-01-27 14:34:30 -05:00
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 block,fs: use REQ_* flags directly 2016-11-01 09:43:26 -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 2017-02-01 21:07:11 -05:00
page-io.c Merge branch 'for-4.10/fs-unmap' of git://git.kernel.dk/linux-block 2016-12-14 17:09:00 -08:00
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: add debug_want_extra_isize mount option 2017-01-11 15:32:22 -05:00
symlink.c vfs: remove ".readlink = generic_readlink" assignments 2016-12-09 16:45:04 +01:00
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_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
xattr.c ext4: fix deadlock between inline_data and ext4_expand_extra_isize_ea() 2017-01-11 21:50:46 -05:00
xattr.h ext4: fix deadlock between inline_data and ext4_expand_extra_isize_ea() 2017-01-11 21:50:46 -05:00