Dmitry Monakhov a75ae78f08 ext4: unregister es_shrinker if mount failed ... Otherwise destroyed ext_sb_info will be part of global shinker list and result in the following OOPS: JBD2: corrupted journal superblock JBD2: recovery failed EXT4-fs (dm-2): error loading journal general protection fault: 0000 [#1] SMP Modules linked in: fuse acpi_cpufreq freq_table mperf coretemp kvm_intel kvm crc32c_intel microcode sg button sd_mod crc_t10dif ahci libahci pata_acpi ata_generic dm_mirror dm_region_hash dm_log dm_\ mod CPU 1 Pid: 2758, comm: mount Not tainted 3.8.0-rc3+ #136 /DH55TC RIP: 0010:[<ffffffff811bfb2d>] [<ffffffff811bfb2d>] unregister_shrinker+0xad/0xe0 RSP: 0000:ffff88011d5cbcd8 EFLAGS: 00010207 RAX: 6b6b6b6b6b6b6b6b RBX: 6b6b6b6b6b6b6b53 RCX: 0000000000000006 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000246 RBP: ffff88011d5cbce8 R08: 0000000000000002 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88011cd3f848 R13: ffff88011cd3f830 R14: ffff88011cd3f000 R15: 0000000000000000 FS: 00007f7b721dd7e0(0000) GS:ffff880121a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 00007fffa6f75038 CR3: 000000011bc1c000 CR4: 00000000000007e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process mount (pid: 2758, threadinfo ffff88011d5ca000, task ffff880116aacb80) Stack: ffff88011cd3f000 ffffffff8209b6c0 ffff88011d5cbd18 ffffffff812482f1 00000000000003f3 00000000ffffffea ffff880115f4c200 0000000000000000 ffff88011d5cbda8 ffffffff81249381 ffff8801219d8bf8 ffffffff00000000 Call Trace: [<ffffffff812482f1>] deactivate_locked_super+0x91/0xb0 [<ffffffff81249381>] mount_bdev+0x331/0x340 [<ffffffff81376730>] ? ext4_alloc_flex_bg_array+0x180/0x180 [<ffffffff81362035>] ext4_mount+0x15/0x20 [<ffffffff8124869a>] mount_fs+0x9a/0x2e0 [<ffffffff81277e25>] vfs_kern_mount+0xc5/0x170 [<ffffffff81279c02>] do_new_mount+0x172/0x2e0 [<ffffffff8127aa56>] do_mount+0x376/0x380 [<ffffffff8127ab98>] sys_mount+0x138/0x150 [<ffffffff818ffed9>] system_call_fastpath+0x16/0x1b Code: 8b 05 88 04 eb 00 48 3d 90 ff 06 82 48 8d 58 e8 75 19 4c 89 e7 e8 e4 d7 2c 00 48 c7 c7 00 ff 06 82 e8 58 5f ef ff 5b 41 5c c9 c3 <48> 8b 4b 18 48 8b 73 20 48 89 da 31 c0 48 c7 c7 c5 a0 e4 81 e\ 8 RIP [<ffffffff811bfb2d>] unregister_shrinker+0xad/0xe0 RSP <ffff88011d5cbcd8> Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@vger.kernel.org		2013-04-03 22:10:52 -04:00
..
acl.c	ext4: fix the number of credits needed for acl ops with inline data	2013-02-09 15:23:03 -05:00
acl.h
balloc.c	ext4: convert number of blocks to clusters properly	2013-03-02 17:18:58 -05:00
bitmap.c	ext4: Checksum the block bitmap properly with bigalloc enabled	2012-10-22 00:34:32 -04:00
block_validity.c
dir.c	Various bug fixes for ext4. The most important is a fix for the new	2013-03-02 19:33:21 -08:00
ext4_extents.h	ext4: remove single extent cache	2013-02-18 00:31:07 -05:00
ext4_jbd2.c	ext4: add might_sleep() annotations	2013-04-03 22:00:52 -04:00
ext4_jbd2.h	ext4: fix journal callback list traversal	2013-04-03 22:08:52 -04:00
ext4.h	ext4: support simple conversion of extent-mapped inodes to use i_blocks	2013-04-03 22:04:52 -04:00
extents_status.c	ext4: update extent status tree after an extent is zeroed out	2013-03-10 21:13:05 -04:00
extents_status.h	ext4: update extent status tree after an extent is zeroed out	2013-03-10 21:13:05 -04:00
extents.c	ext4: support simple conversion of extent-mapped inodes to use i_blocks	2013-04-03 22:04:52 -04:00
file.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-02-26 20:16:07 -08:00
fsync.c	ext4/jbd2: don't wait (forever) for stale tid caused by wraparound	2013-04-03 22:02:52 -04:00
hash.c	ext4: reduce one "if" comparison in ext4_dirhash()	2013-02-01 22:33:21 -05:00
ialloc.c	ext4: use atomic64_t for the per-flexbg free_clusters count	2013-03-11 23:39:59 -04:00
indirect.c	ext4: refactor truncate code	2013-04-03 12:47:17 -04:00
inline.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-02-26 20:16:07 -08:00
inode.c	ext4/jbd2: don't wait (forever) for stale tid caused by wraparound	2013-04-03 22:02:52 -04:00
ioctl.c	ext4: support simple conversion of extent-mapped inodes to use i_blocks	2013-04-03 22:04:52 -04:00
Kconfig	ext4: fix configuration dependencies for ext4 ACLs and security labels	2013-01-06 23:38:44 -05:00
Makefile	ext4: Remove CONFIG_EXT4_FS_XATTR	2012-12-10 16:30:43 -05:00
mballoc.c	ext4: fix journal callback list traversal	2013-04-03 22:08:52 -04:00
mballoc.h	ext4: use module parameters instead of debugfs for mballoc_debug	2013-02-09 16:28:20 -05:00
migrate.c	ext4: fix the number of credits needed for ext4_ext_migrate()	2013-02-09 12:50:27 -05:00
mmp.c	ext4: use unlikely to improve the efficiency of the kernel	2013-01-12 16:28:47 -05:00
move_extent.c	Fix a number of regression and other bugs in ext4, most of which were	2013-03-21 17:56:10 -07:00
namei.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-02-26 20:16:07 -08:00
page-io.c	ext4: fix ext4_evict_inode() racing against workqueue processing code	2013-03-20 09:39:42 -04:00
resize.c	ext4: use atomic64_t for the per-flexbg free_clusters count	2013-03-11 23:39:59 -04:00
super.c	ext4: unregister es_shrinker if mount failed	2013-04-03 22:10:52 -04:00
symlink.c	ext4: Remove CONFIG_EXT4_FS_XATTR	2012-12-10 16:30:43 -05:00
truncate.h
xattr_security.c
xattr_trusted.c
xattr_user.c
xattr.c	ext4: fix xattr block allocation/release with bigalloc	2013-02-18 12:12:07 -05:00
xattr.h	ext4: fix the number of credits needed for acl ops with inline data	2013-02-09 15:23:03 -05:00