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Joseph Qi 474b8c6d32 ocfs2/dlm: fix BUG in dlm_move_lockres_to_recovery_list 
[ Upstream commit be12b299a8 ]

When master handles convert request, it queues ast first and then
returns status.  This may happen that the ast is sent before the request
status because the above two messages are sent by two threads.  And
right after the ast is sent, if master down, it may trigger BUG in
dlm_move_lockres_to_recovery_list in the requested node because ast
handler moves it to grant list without clear lock->convert_pending.  So
remove BUG_ON statement and check if the ast is processed in
dlmconvert_remote.

Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Reported-by: Yiwen Jiang <jiangyiwen@huawei.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Tariq Saeed <tariq.x.saeed@oracle.com>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
History 2016-04-18 08:51:09 -04:00
..
9p 9p: don't leave a half-initialized inode sitting around 2015-08-03 09:29:18 -07:00
adfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
affs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
afs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
autofs4 VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
befs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
bfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
btrfs btrfs: async-thread: Fix a use-after-free error for trace 2016-04-13 17:14:27 -04:00
cachefiles VFS: fs/cachefiles: d_backing_inode() annotations 2015-04-15 15:06:59 -04:00
ceph ceph: fix message length computation 2015-12-14 21:24:37 -08:00
cifs Fix cifs_uniqueid_to_ino_t() function for s390x 2016-03-09 13:15:17 -05:00
coda VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
configfs sysfs: Create mountpoints with sysfs_create_mount_point 2015-07-21 10:10:01 -07:00
cramfs fs/cramfs/inode.c: use linux/uaccess.h 2014-08-08 15:57:25 -07:00
debugfs debugfs: fix refcount imbalance in start_creating 2015-12-14 21:24:36 -08:00
devpts pty: make sure super_block is still valid in final /dev/tty close 2016-02-28 00:09:50 -05:00
dlm netlink: make nlmsg_end() and genlmsg_end() void 2015-01-18 01:03:45 -05:00
ecryptfs eCryptfs: Invalidate dcache entries when lower i_nlink is zero 2015-09-29 19:26:15 +02:00
efivarfs efi: Make efivarfs entries immutable by default 2016-04-11 22:44:23 -04:00
efs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
exofs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
exportfs VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry) 2015-02-22 11:38:41 -05:00
ext2 dax: don't abuse get_block mapping for endio callbacks 2016-04-11 22:44:21 -04:00
ext3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
ext4 ext4: iterate over buffer heads correctly in move_extent_per_page() 2016-04-18 08:50:37 -04:00
f2fs f2fs: fix wrong error hanlder in f2fs_follow_link 2015-05-04 14:15:16 -07:00
fat Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
freevxfs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
fscache fs/fscache/object-list.c: use __seq_open_private() 2014-10-13 17:52:21 +01:00
fuse fuse: Add reference counting for fuse_io_priv 2016-04-18 08:50:57 -04:00
gfs2 fs: create and use seq_show_option for escaping 2015-09-21 10:05:45 -07:00
hfs hfs,hfsplus: cache pages correctly between bnode_create and bnode_free 2015-09-29 19:26:18 +02:00
hfsplus hfs,hfsplus: cache pages correctly between bnode_create and bnode_free 2015-09-29 19:26:18 +02:00
hostfs uml: fix hostfs mknod() 2016-02-03 14:01:45 -05:00
hpfs hpfs: don't truncate the file when delete fails 2016-03-09 13:15:12 -05:00
hppfs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
hugetlbfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
isofs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
jbd jbd: Deletion of an unnecessary check before the function call "iput" 2014-11-18 10:15:29 +01:00
jbd2 jbd2: fix FS corruption possibility in jbd2_journal_destroy() on umount path 2016-04-18 08:50:52 -04:00
jffs2 jffs2: reduce the breakage on recovery from halfway failed rename() 2016-03-22 11:10:30 -04:00
jfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
kernfs kernfs: Add support for always empty directories. 2015-07-21 10:10:00 -07:00
lockd nfsd: eliminate NFSD_DEBUG 2015-04-21 16:16:02 -04:00
logfs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
minix VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
ncpfs ncpfs: fix a braino in OOM handling in ncp_fill_cache() 2016-03-22 11:10:30 -04:00
nfs NFSv4: Fix a dentry leak on alias use 2016-03-07 12:27:25 -05:00
nfs_common lockd: move lockd's grace period handling into its own module 2014-09-17 16:33:11 -04:00
nfsd nfsd: fix deadlock secinfo+readdir compound 2016-04-18 08:51:00 -04:00
nilfs2 nilfs2: fix sanity check of btree level in nilfs_btree_root_broken() 2015-05-05 17:10:11 -07:00
nls nls: have register_nls() set ->owner 2014-01-25 03:14:05 -05:00
notify fsnotify: fix oops in fsnotify_clear_marks_by_group_flags() 2015-08-16 20:52:09 -07:00
ntfs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
ocfs2 ocfs2/dlm: fix BUG in dlm_move_lockres_to_recovery_list 2016-04-18 08:51:09 -04:00
omfs omfs: fix potential integer overflow in allocator 2015-05-28 18:25:19 -07:00
openpromfs fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
overlayfs ovl: fix permission checking for setattr 2016-04-13 17:14:29 -04:00
proc ptrace: use fsuid, fsgid, effective creds for fs access checks 2016-04-11 22:07:35 -04:00
pstore sysfs: Create mountpoints with sysfs_create_mount_point 2015-07-21 10:10:01 -07:00
qnx4 fs: push sync_filesystem() down to the file system's remount_fs() 2014-03-13 10:14:33 -04:00
qnx6 VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
quota quota: Fix possible GPF due to uninitialised pointers 2016-04-18 08:50:45 -04:00
ramfs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
reiserfs fs: create and use seq_show_option for escaping 2015-09-21 10:05:45 -07:00
romfs make new_sync_{read,write}() static 2015-04-11 22:29:40 -04:00
squashfs VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
sysfs mnt: Refactor the logic for mounting sysfs and proc in a user namespace 2015-07-21 10:10:01 -07:00
sysv VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
tracefs sysfs: Create mountpoints with sysfs_create_mount_point 2015-07-21 10:10:01 -07:00
ubifs UBIFS: Kill unneeded locking in ubifs_init_security 2015-10-22 14:43:24 -07:00
udf udf: Check output buffer length when converting name to CS0 2016-02-01 14:54:15 -05:00
ufs fs/ufs: restore s_lock mutex_init() 2015-07-10 09:49:39 -07:00
xfs xfs: fix two memory leaks in xfs_attr_list.c error paths 2016-04-18 08:50:44 -04:00
aio.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-16 23:27:56 -04:00
anon_inodes.c vfs: Allocate anon_inode_inode in anon_inode_init() 2014-03-27 09:52:54 -07:00
attr.c fs,userns: Change inode_capable to capable_wrt_inode_uidgid 2014-06-10 13:57:22 -07:00
bad_inode.c don't bother with most of the bad_file_ops methods 2015-02-20 04:03:58 -05:00
binfmt_aout.c assorted conversions to %p[dD] 2014-11-19 13:01:20 -05:00
binfmt_elf.c fs/binfmt_elf.c:load_elf_binary(): return -EINVAL on zero-length mappings 2015-05-28 18:25:18 -07:00
binfmt_elf_fdpic.c handle suicide on late failure exits in execve() in search_binary_handler() 2014-10-09 02:39:00 -04:00
binfmt_em86.c syscalls: implement execveat() system call 2014-12-13 12:42:51 -08:00
binfmt_flat.c fs/binfmt_flat.c: make old_reloc() static 2014-06-04 16:54:21 -07:00
binfmt_misc.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-04-26 17:22:07 -07:00
binfmt_script.c syscalls: implement execveat() system call 2014-12-13 12:42:51 -08:00
block_dev.c blockdev: don't set S_DAX for misaligned partitions 2015-10-22 14:43:13 -07:00
buffer.c page_writeback: clean up mess around cancel_dirty_page() 2015-04-14 16:49:01 -07:00
char_dev.c fs: introduce f_op->mmap_capabilities for nommu mmap support 2015-01-20 14:02:58 -07:00
compat.c vfs: make first argument of dir_context.actor typed 2014-10-31 17:48:54 -04:00
compat_binfmt_elf.c binfmt_elf: add ELF_HWCAP2 to compat auxv entries 2014-03-04 08:05:21 +00:00
compat_ioctl.c Bluetooth: bnep: Add support for get bnep features via ioctl 2015-04-03 23:21:34 +02:00
coredump.c fs/coredump: prevent fsuid=0 dumps into user-controlled directories 2016-04-18 08:51:07 -04:00
dax.c dax: don't abuse get_block mapping for endio callbacks 2016-04-11 22:44:21 -04:00
dcache.c use ->d_seq to get coherency between ->d_inode and ->d_flags 2016-03-09 13:15:20 -05:00
dcookies.c fs/compat: fix lookup_dcookie() parameter handling 2014-01-29 16:22:40 -08:00
direct-io.c fix the regression from "direct-io: Fix negative return from dio read beyond eof" 2016-01-31 11:23:40 -08:00
drop_caches.c vmscan: per memory cgroup slab shrinkers 2015-02-12 18:54:09 -08:00
eventfd.c eventfd: don't take the spinlock in eventfd_poll 2015-02-17 14:34:52 -08:00
eventpoll.c epoll: optimize setting task running after blocking 2015-02-13 21:21:40 -08:00
exec.c parisc,metag: Fix crashes due to stack randomization on stack-grows-upwards architectures 2015-05-12 22:03:44 +02:00
fcntl.c vfs: renumber FMODE_NONOTIFY and add to uniqueness check 2015-01-08 15:10:52 -08:00
fhandle.c fs/coredump: prevent fsuid=0 dumps into user-controlled directories 2016-04-18 08:51:07 -04:00
file.c mm: rcu-protected get_mm_exe_file() 2015-04-17 09:04:07 -04:00
file_table.c ->aio_read and ->aio_write removed 2015-04-11 22:29:43 -04:00
filesystems.c sys_sysfs: Add CONFIG_SYSFS_SYSCALL 2014-04-03 16:21:05 -07:00
fs-writeback.c fs: add dirtytime_expire_seconds sysctl 2015-03-17 12:23:32 -04:00
fs_pin.c fs_pin: Allow for the possibility that m_list or s_list go unused. 2015-04-09 11:39:55 -05:00
fs_struct.c seqcount: Add lockdep functionality to seqcount/seqlock structures 2013-11-06 12:40:26 +01:00
inode.c fs: Fix S_NOSEC handling 2015-07-10 09:49:37 -07:00
internal.h overlayfs: Make f_path always point to the overlay and f_inode to the underlay 2015-10-22 14:43:26 -07:00
ioctl.c fsioctl.c: make generic_block_fiemap() signal-tolerant 2015-02-10 14:30:30 -08:00
Kconfig f2fs: relocate Kconfig from misc filesystems 2015-04-10 15:08:35 -07:00
Kconfig.binfmt mm: split ET_DYN ASLR from mmap ASLR 2015-04-14 16:49:05 -07:00
libfs.c fs: Set the size of empty dirs to 0. 2015-09-21 10:05:44 -07:00
locks.c locks: fix unlock when fcntl_setlk races with a close 2016-02-03 14:01:44 -05:00
Makefile This adds the new tracefs file system. This has been in linux-next for 2015-04-14 10:22:29 -07:00
mbcache.c fs/mbcache: replace __builtin_log2() with ilog2() 2014-06-25 22:08:29 -04:00
mount.h switch the IO-triggering parts of umount to fs_pin 2015-01-25 23:17:29 -05:00
mpage.c vfs: guard end of device for mpage interface 2014-10-09 22:25:53 -04:00
namei.c namei: ->d_inode of a pinned dentry is stable only for positives 2016-03-09 13:15:13 -05:00
namespace.c mnt: In detach_mounts detach the appropriate unmounted mount 2015-08-10 12:21:55 -07:00
no-block.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
nsfs.c VFS: assorted weird filesystems: d_inode() annotations 2015-04-15 15:06:58 -04:00
open.c fs/coredump: prevent fsuid=0 dumps into user-controlled directories 2016-04-18 08:51:07 -04:00
pipe.c VFS: assorted weird filesystems: d_inode() annotations 2015-04-15 15:06:58 -04:00
pnode.c mnt: Don't propagate unmounts to locked mounts 2015-04-02 20:34:20 -05:00
pnode.h mnt: Clarify and correct the disconnect logic in umount_tree 2015-08-10 12:21:54 -07:00
posix_acl.c VFS: assorted d_backing_inode() annotations 2015-04-15 15:06:59 -04:00
proc_namespace.c vfs: show_vfsstat: do not ignore errors from show_devname method 2016-04-18 08:51:00 -04:00
read_write.c new_sync_write(): discard ->ki_pos unless the return value is positive 2015-04-11 22:29:46 -04:00
readdir.c vfs: make first argument of dir_context.actor typed 2014-10-31 17:48:54 -04:00
select.c all arches, signal: move restart_block to struct task_struct 2015-02-12 18:54:12 -08:00
seq_file.c bitmap, cpumask, nodemask: remove dedicated formatting functions 2015-02-13 21:21:39 -08:00
signalfd.c signalfd: fix information leak in signalfd_copyinfo 2015-08-16 20:52:25 -07:00
splice.c splice: handle zero nr_pages in splice_to_pipe() 2016-04-18 08:51:05 -04:00
stack.c fs: fix comment for 'CONFIG_LBADF' 2014-08-26 09:35:56 +02:00
stat.c VFS: assorted d_backing_inode() annotations 2015-04-15 15:06:59 -04:00
statfs.c vfs: allow O_PATH file descriptors for fstatfs() 2013-10-12 13:12:31 -07:00
super.c cleancache: remove limit on the number of cleancache enabled filesystems 2015-04-14 16:49:03 -07:00
sync.c vfs: add support for a lazytime mount option 2015-02-05 02:45:00 -05:00
timerfd.c fs: Convert show_fdinfo functions to void 2014-11-05 14:13:23 -05:00
utimes.c locks: break delegations on any attribute modification 2013-11-09 00:16:44 -05:00
xattr.c new helper: audit_file() 2014-11-19 13:01:26 -05:00