linux/fs/ocfs2
Yi Li b918c43021 ocfs2: fix panic due to ocfs2_wq is null
mount.ocfs2 failed when reading ocfs2 filesystem superblock encounters
an error.  ocfs2_initialize_super() returns before allocating ocfs2_wq.
ocfs2_dismount_volume() triggers the following panic.

  Oct 15 16:09:27 cnwarekv-205120 kernel: On-disk corruption discovered.Please run fsck.ocfs2 once the filesystem is unmounted.
  Oct 15 16:09:27 cnwarekv-205120 kernel: (mount.ocfs2,22804,44): ocfs2_read_locked_inode:537 ERROR: status = -30
  Oct 15 16:09:27 cnwarekv-205120 kernel: (mount.ocfs2,22804,44): ocfs2_init_global_system_inodes:458 ERROR: status = -30
  Oct 15 16:09:27 cnwarekv-205120 kernel: (mount.ocfs2,22804,44): ocfs2_init_global_system_inodes:491 ERROR: status = -30
  Oct 15 16:09:27 cnwarekv-205120 kernel: (mount.ocfs2,22804,44): ocfs2_initialize_super:2313 ERROR: status = -30
  Oct 15 16:09:27 cnwarekv-205120 kernel: (mount.ocfs2,22804,44): ocfs2_fill_super:1033 ERROR: status = -30
  ------------[ cut here ]------------
  Oops: 0002 [#1] SMP NOPTI
  CPU: 1 PID: 11753 Comm: mount.ocfs2 Tainted: G  E
        4.14.148-200.ckv.x86_64 #1
  Hardware name: Sugon H320-G30/35N16-US, BIOS 0SSDX017 12/21/2018
  task: ffff967af0520000 task.stack: ffffa5f05484000
  RIP: 0010:mutex_lock+0x19/0x20
  Call Trace:
    flush_workqueue+0x81/0x460
    ocfs2_shutdown_local_alloc+0x47/0x440 [ocfs2]
    ocfs2_dismount_volume+0x84/0x400 [ocfs2]
    ocfs2_fill_super+0xa4/0x1270 [ocfs2]
    ? ocfs2_initialize_super.isa.211+0xf20/0xf20 [ocfs2]
    mount_bdev+0x17f/0x1c0
    mount_fs+0x3a/0x160

Link: http://lkml.kernel.org/r/1571139611-24107-1-git-send-email-yili@winhong.com
Signed-off-by: Yi Li <yilikernel@gmail.com>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-10-19 06:32:32 -04:00
..
cluster ocfs2: further debugfs cleanups 2019-09-24 15:54:07 -07:00
dlm ocfs2: wait for recovering done after direct unlock request 2019-09-24 15:54:07 -07:00
dlmfs treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
acl.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
acl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
alloc.c ocfs2: checkpoint appending truncate log transaction before flushing 2019-09-24 15:54:07 -07:00
alloc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
aops.c fs: ocfs2: fix a possible null-pointer dereference in ocfs2_write_end_nolock() 2019-10-07 15:47:19 -07:00
aops.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
blockcheck.c ocfs2: further debugfs cleanups 2019-09-24 15:54:07 -07:00
blockcheck.h ocfs: no need to check return value of debugfs_create functions 2019-07-12 11:05:41 -07:00
buffer_head_io.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
buffer_head_io.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
dcache.c fs/ocfs2: fix race in ocfs2_dentry_attach_lock() 2019-06-13 17:34:56 -10:00
dcache.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
dir.c fs/ocfs2/dir.c: remove set but not used variables 2019-09-24 15:54:07 -07:00
dir.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
dlmglue.c ocfs2: delete unnecessary checks before brelse() 2019-09-24 15:54:07 -07:00
dlmglue.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
export.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
export.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
extent_map.c ocfs2: delete unnecessary checks before brelse() 2019-09-24 15:54:07 -07:00
extent_map.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405 2019-06-05 17:37:13 +02:00
file.c ocfs2: fix error handling in ocfs2_setattr() 2019-10-19 06:32:32 -04:00
file.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
filecheck.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
filecheck.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
heartbeat.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
heartbeat.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
inode.c ocfs2: fix spelling mistake "ambigous" -> "ambiguous" 2019-09-24 15:54:07 -07:00
inode.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
ioctl.c fs: ocfs2: fix a possible null-pointer dereference in ocfs2_info_scan_inode_alloc() 2019-10-07 15:47:19 -07:00
ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
journal.c ocfs2: fix panic due to ocfs2_wq is null 2019-10-19 06:32:32 -04:00
journal.h ocfs2: remove unused ocfs2_orphan_scan_exit() declaration 2019-09-24 15:54:07 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
localalloc.c ocfs2: fix panic due to ocfs2_wq is null 2019-10-19 06:32:32 -04:00
localalloc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
locks.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
locks.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
Makefile ocfs2: improve ocfs2 Makefile 2018-12-28 12:11:45 -08:00
mmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
mmap.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
move_extents.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
move_extents.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
namei.c fs/ocfs2/namei.c: remove set but not used variables 2019-09-24 15:54:07 -07:00
namei.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
ocfs1_fs_compat.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405 2019-06-05 17:37:13 +02:00
ocfs2_fs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405 2019-06-05 17:37:13 +02:00
ocfs2_ioctl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
ocfs2_lockid.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
ocfs2_lockingver.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
ocfs2_trace.h ocfs2: fix the application IO timeout when fstrim is running 2019-03-05 21:07:13 -08:00
ocfs2.h ocfs2: further debugfs cleanups 2019-09-24 15:54:07 -07:00
quota_global.c ocfs2: convert to new i_version API 2018-01-29 06:42:21 -05:00
quota_local.c ocfs2: return -EROFS when filesystem becomes read-only 2018-08-17 16:20:27 -07:00
quota.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
refcounttree.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
refcounttree.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
reservations.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
reservations.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
resize.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
resize.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
slot_map.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
slot_map.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
stack_o2cb.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
stack_user.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
stackglue.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
stackglue.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 286 2019-06-05 17:36:37 +02:00
suballoc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
suballoc.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
super.c ocfs2: further debugfs cleanups 2019-09-24 15:54:07 -07:00
super.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
symlink.c vfs: remove ".readlink = generic_readlink" assignments 2016-12-09 16:45:04 +01:00
symlink.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
sysfile.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
sysfile.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
uptodate.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
uptodate.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 145 2019-05-30 11:25:18 -07:00
xattr.c fs: ocfs2: fix possible null-pointer dereferences in ocfs2_xa_prepare_entry() 2019-10-07 15:47:19 -07:00
xattr.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00