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linux/fs/ocfs2
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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 [] SMP NOPTI
  CPU: 1 PID: 11753 Comm: mount.ocfs2 Tainted: G  E
        4.14.148-200.ckv.x86_64 
  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
acl.c
acl.h
alloc.c ocfs2: checkpoint appending truncate log transaction before flushing 2019-09-24 15:54:07 -07:00
alloc.h
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
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
buffer_head_io.h
dcache.c fs/ocfs2: fix race in ocfs2_dentry_attach_lock() 2019-06-13 17:34:56 -10:00
dcache.h
dir.c fs/ocfs2/dir.c: remove set but not used variables 2019-09-24 15:54:07 -07:00
dir.h
dlmglue.c ocfs2: delete unnecessary checks before brelse() 2019-09-24 15:54:07 -07:00
dlmglue.h
export.c
export.h
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
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
heartbeat.h
inode.c ocfs2: fix spelling mistake "ambigous" -> "ambiguous" 2019-09-24 15:54:07 -07:00
inode.h
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
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
localalloc.c ocfs2: fix panic due to ocfs2_wq is null 2019-10-19 06:32:32 -04:00
localalloc.h
locks.c
locks.h
Makefile
mmap.c
mmap.h
move_extents.c
move_extents.h
namei.c fs/ocfs2/namei.c: remove set but not used variables 2019-09-24 15:54:07 -07:00
namei.h
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
ocfs2_lockid.h
ocfs2_lockingver.h
ocfs2_trace.h
ocfs2.h ocfs2: further debugfs cleanups 2019-09-24 15:54:07 -07:00
quota_global.c
quota_local.c
quota.h
refcounttree.c
refcounttree.h
reservations.c
reservations.h
resize.c
resize.h
slot_map.c
slot_map.h
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
suballoc.h
super.c ocfs2: further debugfs cleanups 2019-09-24 15:54:07 -07:00
super.h
symlink.c
symlink.h
sysfile.c
sysfile.h
uptodate.c
uptodate.h
xattr.c fs: ocfs2: fix possible null-pointer dereferences in ocfs2_xa_prepare_entry() 2019-10-07 15:47:19 -07:00
xattr.h