AcoSail/kernel_optimize_test
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0de5983d35
kernel_optimize_test/fs/ext4
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Tahsin Erdogan 0de5983d35 ext4: lock inode before calling ext4_orphan_add() 
ext4_orphan_add() requires caller to be holding the inode lock.
Add missing lock statements.

 WARNING: CPU: 3 PID: 1806 at fs/ext4/namei.c:2731 ext4_orphan_add+0x4e/0x240
 CPU: 3 PID: 1806 Comm: python Not tainted 4.12.0-rc1+ #746
 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
 task: ffff880135d466c0 task.stack: ffffc900014b0000
 RIP: 0010:ext4_orphan_add+0x4e/0x240
 RSP: 0018:ffffc900014b3d50 EFLAGS: 00010246
 RAX: 0000000000000000 RBX: ffff8801348fe1f0 RCX: ffffc900014b3c64
 RDX: 0000000000000000 RSI: ffff8801348fe1f0 RDI: ffff8801348fe1f0
 RBP: ffffc900014b3da0 R08: 0000000000000000 R09: ffffffff80e82025
 R10: 0000000000004692 R11: 000000000000468d R12: ffff880137598000
 R13: ffff880137217000 R14: ffff880134ac58d0 R15: 0000000000000000
 FS:  00007fc50f09e740(0000) GS:ffff88013fd80000(0000) knlGS:0000000000000000
 CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 00000000008bc2e0 CR3: 00000001375ac000 CR4: 00000000000006e0
 Call Trace:
  ext4_xattr_inode_orphan_add.constprop.19+0x9d/0xf0
  ext4_xattr_delete_inode+0x1c4/0x2f0
  ext4_evict_inode+0x15a/0x7f0
  evict+0xc0/0x1a0
  iput+0x16a/0x270
  do_unlinkat+0x172/0x290
  SyS_unlink+0x11/0x20
  entry_SYSCALL_64_fastpath+0x18/0xad

Signed-off-by: Tahsin Erdogan <tahsin@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2017-06-21 21:19:16 -04:00
..
acl.c ext4: fix quota charging for shared xattr blocks 2017-05-24 18:24:07 -04:00
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: add shutdown bit and check for it 2017-02-05 01:28:48 -05:00
ext4_jbd2.h ext4: add largedir feature 2017-06-21 21:09:57 -04:00
ext4.h ext4: xattr-in-inode support 2017-06-21 21:10:32 -04:00
extents_status.c scripts/spelling.txt: add "comsume(r)" pattern and fix typo instances 2017-02-27 18:43:47 -08:00
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 fdatasync(2) after extent manipulation operations 2017-05-29 13:24:55 -04:00
file.c ext4: fix off-by-one on max nr_pages in ext4_find_unwritten_pgoff() 2017-05-24 18:02:20 -04:00
fsmap.c ext4: support GETFSMAP ioctls 2017-04-30 00:36:53 -04:00
fsmap.h ext4: support GETFSMAP ioctls 2017-04-30 00:36:53 -04:00
fsync.c ext4: add shutdown bit and check for it 2017-02-05 01:28:48 -05:00
hash.c ext4: move halfmd4 into hash.c directly 2017-02-02 11:52:14 -05:00
ialloc.c ext4: xattr-in-inode support 2017-06-21 21:10:32 -04:00
indirect.c ext4: refactor direct IO code 2016-05-13 00:44:16 -04:00
inline.c ext4: xattr-in-inode support 2017-06-21 21:10:32 -04:00
inode.c ext4: fix lockdep warning about recursive inode locking 2017-06-21 21:17:10 -04:00
ioctl.c Add GETFSMAP support; some performance improvements for very large 2017-05-08 11:30:05 -07:00
Kconfig dax: fix build warnings with FS_DAX and !FS_IOMAP 2017-01-24 16:26:14 -08:00
Makefile ext4: support GETFSMAP ioctls 2017-04-30 00:36:53 -04:00
mballoc.c ext4: handle the rest of ext4_mb_load_buddy() ENOMEM errors 2017-05-21 22:35:23 -04:00
mballoc.h ext4: support GETFSMAP ioctls 2017-04-30 00:36:53 -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 Fix a memory leak on an error path, and two races when modifying 2017-03-26 10:29:21 -07:00
namei.c ext4: add largedir feature 2017-06-21 21:09:57 -04:00
page-io.c ext4: replace BUG_ON with WARN_ONCE in ext4_end_bio() 2017-04-30 20:08:05 -04:00
readpage.c Merge branch 'akpm' (patches from Andrew) 2016-07-26 19:55:54 -07:00
resize.c ext4: rename s_resize_flags to s_ext4_flags 2017-02-05 01:27:48 -05:00
super.c ext4: fix quota charging for shared xattr blocks 2017-05-24 18:24:07 -04:00
symlink.c ext4: Add statx support 2017-04-03 01:05:58 -04:00
sysfs.c ext4: constify static data that is never modified 2017-04-29 23:47:50 -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: lock inode before calling ext4_orphan_add() 2017-06-21 21:19:16 -04:00
xattr.h ext4: fix lockdep warning about recursive inode locking 2017-06-21 21:17:10 -04:00