===================================== WARNING: bad unlock balance detected! 4.14.103+ #18 Not tainted ------------------------------------- migration/0/11 is trying to release lock (&rq->lock) at: [] migration_cpu_stop+0x2dd/0x430 kernel/sched/core.c:1036 but there are no more locks to release! other info that might help us debug this: 1 lock held by migration/0/11: #0: (&p->pi_lock){-.-.}, at: [] migration_cpu_stop+0xe1/0x430 kernel/sched/core.c:1027 stack backtrace: CPU: 0 PID: 11 Comm: migration/0 Not tainted 4.14.103+ #18 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x10e lib/dump_stack.c:53 print_unlock_imbalance_bug kernel/locking/lockdep.c:3548 [inline] print_unlock_imbalance_bug.cold+0x110/0x11f kernel/locking/lockdep.c:3525 audit: type=1400 audit(1550940448.453:45): avc: denied { write } for pid=7896 comm="syz-executor.4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 audit: type=1326 audit(1550940451.073:46): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8112 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45ac8a code=0x0 audit: type=1400 audit(1550940451.313:47): avc: denied { module_load } for pid=8152 comm="syz-executor.5" path=2F6D656D66643A202864656C6574656429 dev="tmpfs" ino=24144 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=system permissive=1 audit: type=1326 audit(1550940451.833:48): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8112 comm="syz-executor.2" exe="/root/syz-executor.2" sig=9 arch=c000003e syscall=228 compat=0 ip=0x45ac8a code=0x0