device lo entered promiscuous mode
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 19893 Comm: syz-executor.5 Not tainted 4.14.193-syzkaller #0
Restarting kernel threads ... 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 register_lock_class+0x32b/0x1320 kernel/locking/lockdep.c:768
done.
 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378
 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
 flush_work+0xad/0x770 kernel/workqueue.c:2889
 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2964
 smc_close_active+0x768/0xb20 net/smc/smc_close.c:206
 smc_release+0x3e1/0x5d0 net/smc/af_smc.c:131
 __sock_release+0xcd/0x2b0 net/socket.c:602
 sock_close+0x15/0x20 net/socket.c:1139
 __fput+0x25f/0x7a0 fs/file_table.c:210
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x416981
RSP: 002b:00007fffcd02a6f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416981
RDX: 0000001b32020000 RSI: 000000000000086e RDI: 0000000000000003
RBP: 0000000000000001 R08: 00000000216a486e R09: 00000000216a4872
R10: 00007fffcd02a7e0 R11: 0000000000000293 R12: 00000000011900c8
R13: 000000000005cfbc R14: ffffffffffffffff R15: 000000000118bf2c
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
Restarting kernel threads ... done.
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
kvm [19925]: vcpu0, guest rIP: 0xcc disabled perfctr wrmsr: 0xc2 data 0x0
device lo entered promiscuous mode
device lo left promiscuous mode
device lo entered promiscuous mode
device lo entered promiscuous mode
device lo left promiscuous mode
device lo left promiscuous mode
xt_HMARK: spi-set and port-set can't be combined
xt_HMARK: spi-set and port-set can't be combined
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
[U] 
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
[U] 
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
[U] 
[U] 
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'.
audit: type=1800 audit(1597145647.837:187): pid=20576 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=16855 res=0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=20594 comm=syz-executor.0
batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
audit: type=1800 audit(1597145648.237:188): pid=20591 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=16855 res=0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=20628 comm=syz-executor.0
audit: type=1800 audit(1597145648.327:189): pid=20634 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=16866 res=0
audit: type=1800 audit(1597145648.367:190): pid=20638 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=16868 res=0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=20650 comm=syz-executor.0
audit: type=1800 audit(1597145648.437:191): pid=20648 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="file0" dev="sda1" ino=16737 res=0
audit: type=1800 audit(1597145648.457:192): pid=20640 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="file0" dev="sda1" ino=16875 res=0
syz-executor.2 (20634) used greatest stack depth: 23968 bytes left
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pid=20668 comm=syz-executor.0
audit: type=1800 audit(1597145648.877:193): pid=20670 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="file0" dev="sda1" ino=16871 res=0
audit: type=1800 audit(1597145648.877:194): pid=20672 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.4" name="file0" dev="sda1" ino=16875 res=0
audit: type=1800 audit(1597145648.917:195): pid=20678 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=16879 res=0
audit: type=1800 audit(1597145648.927:196): pid=20679 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file0" dev="sda1" ino=16880 res=0