(syz-executor.5,21403,0):user_dlm_register:681 ERROR: status = -22
(syz-executor.5,21403,0):dlmfs_mkdir:497 ERROR: Error -22 could not register domain "file1"
block nbd4: Receive control failed (result -32)
BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 23 Comm: kworker/1:1 Not tainted 4.14.231-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events nbd_dead_link_work
block nbd4: shutting down sockets
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 add_chain_cache kernel/locking/lockdep.c:2303 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:2415 [inline]
 validate_chain kernel/locking/lockdep.c:2435 [inline]
 __lock_acquire.cold+0x19a/0x97c kernel/locking/lockdep.c:3491
o2cb: This node has not been configured.
o2cb: Cluster check failed. Fix errors before retrying.
(syz-executor.3,21432,0):user_dlm_register:681 ERROR: status = -22
(syz-executor.3,21432,0):dlmfs_mkdir:497 ERROR: Error -22 could not register domain "file1"
 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160
 __wake_up_common_lock+0x9d/0x140 kernel/sched/wait.c:124
 netlink_unlock_table net/netlink/af_netlink.c:443 [inline]
 netlink_broadcast_filtered+0x67d/0x9e0 net/netlink/af_netlink.c:1491
 netlink_broadcast+0x35/0x40 net/netlink/af_netlink.c:1511
 nlmsg_multicast include/net/netlink.h:591 [inline]
 genlmsg_multicast_netns include/net/genetlink.h:253 [inline]
 genlmsg_multicast include/net/genetlink.h:268 [inline]
 nbd_mcast_index drivers/block/nbd.c:2249 [inline]
 nbd_dead_link_work+0x1fc/0x2a0 drivers/block/nbd.c:2256
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
block nbd4: shutting down sockets
o2cb: This node has not been configured.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
o2cb: Cluster check failed. Fix errors before retrying.
o2cb: This node has not been configured.
o2cb: Cluster check failed. Fix errors before retrying.
(syz-executor.3,21446,1):user_dlm_register:681 ERROR: status = -22
(syz-executor.5,21456,0):user_dlm_register:681 ERROR: status = -22
(syz-executor.5,21456,0):dlmfs_mkdir:497 ERROR: Error -22 could not register domain "file1"
(syz-executor.3,21446,1):dlmfs_mkdir:497 ERROR: Error -22 could not register domain "file1"
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
block nbd4: server does not support multiple connections per device.
block nbd4: shutting down sockets
o2cb: This node has not been configured.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
o2cb: Cluster check failed. Fix errors before retrying.
(syz-executor.5,21488,1):user_dlm_register:681 ERROR: status = -22
(syz-executor.5,21488,1):dlmfs_mkdir:497 ERROR: Error -22 could not register domain "file1"
block nbd4: server does not support multiple connections per device.
block nbd4: shutting down sockets
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
block nbd4: server does not support multiple connections per device.
block nbd5: server does not support multiple connections per device.
block nbd5: shutting down sockets
block nbd4: shutting down sockets
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
block nbd5: server does not support multiple connections per device.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
block nbd5: shutting down sockets
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
block nbd5: server does not support multiple connections per device.
block nbd5: shutting down sockets
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
audit: type=1326 audit(1619179542.219:1111): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21706 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179543.029:1112): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21706 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179543.146:1113): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21795 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179543.546:1114): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21836 comm="syz-executor.0" exe="/root/syz-executor.0" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179543.976:1115): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21863 comm="syz-executor.1" exe="/root/syz-executor.1" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179543.976:1116): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21864 comm="syz-executor.4" exe="/root/syz-executor.4" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179544.016:1117): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21865 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179544.242:1118): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21885 comm="syz-executor.5" exe="/root/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179544.322:1119): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21900 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179544.532:1120): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=21907 comm="syz-executor.0" exe="/root/syz-executor.0" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
kauditd_printk_skb: 14 callbacks suppressed
audit: type=1326 audit(1619179547.514:1135): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=22076 comm="syz-executor.3" exe="/root/syz-executor.3" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
audit: type=1326 audit(1619179548.358:1136): auid=4294967295 uid=0 gid=0 ses=4294967295 pid=22164 comm="syz-executor.0" exe="/root/syz-executor.0" sig=9 arch=c000003e syscall=231 compat=0 ip=0x4665f9 code=0x0
print_req_error: I/O error, dev loop0, sector 0
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 19 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 19 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 176 bytes leftover after parsing attributes in process `syz-executor.5'.