netlink: 11 bytes leftover after parsing attributes in process `syz-executor.3'. audit: type=1400 audit(1551006674.545:54): avc: denied { getopt } for pid=18139 comm="syz-executor.3" 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 netlink: 11 bytes leftover after parsing attributes in process `syz-executor.3'. ===================================== WARNING: bad unlock balance detected! 4.14.103+ #18 Not tainted ------------------------------------- migration/1/16 is trying to release lock (&rq->lock) at: [] migration_cpu_stop+0x2dd/0x430 kernel/sched/core.c:1036 audit: type=1400 audit(1551006674.565:55): avc: denied { getattr } for pid=18139 comm="syz-executor.3" path="socket:[47681]" dev="sockfs" ino=47681 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 but there are no more locks to release! other info that might help us debug this: 1 lock held by migration/1/16: #0: (&p->pi_lock){-.-.}, at: [] migration_cpu_stop+0xe1/0x430 kernel/sched/core.c:1027 stack backtrace: CPU: 1 PID: 16 Comm: migration/1 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 serio: Serial port pts2 audit: type=1400 audit(1551006674.905:56): avc: denied { setopt } for pid=18154 comm="syz-executor.3" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 serio: Serial port pts3 serio: Serial port pts2 FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts4 serio: Serial port pts2 FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts3 serio: Serial port pts2 FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts3 serio: Serial port pts2 serio: Serial port pts2 FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts4 serio: Serial port pts2 FAT-fs (loop2): invalid media value (0x9d) serio: Serial port pts3 FAT-fs (loop2): Can't find a valid FAT filesystem FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts2 FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts3 FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts2 serio: Serial port pts3 FAT-fs (loop2): invalid media value (0x9d) FAT-fs (loop2): Can't find a valid FAT filesystem serio: Serial port pts2