===================================== 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 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 binder: 17349:17365 transaction failed 29189/-22, size 24-8 line 3012 binder: 17349:17365 unknown command 1717991472 binder: 17349:17365 ioctl c0306201 200002c0 returned -22 binder: 17349:17365 Release 1 refcount change on invalid ref 1 ret -22 binder: 17349:17365 ioctl 41009432 20000840 returned -22 binder: 17349:17365 BC_ACQUIRE_DONE u0000000000000000 no match binder: 17415:17434 transaction failed 29189/-22, size 24-8 line 3012 binder: 17415:17434 unknown command 1717991472 binder: 17415:17434 ioctl c0306201 200002c0 returned -22 binder: 17415:17434 Release 1 refcount change on invalid ref 1 ret -22 binder: 17415:17434 ioctl 41009432 20000840 returned -22 binder: 17415:17434 BC_ACQUIRE_DONE u0000000000000000 no match binder: 17466:17479 transaction failed 29189/-22, size 24-8 line 3012 binder: 17466:17479 unknown command 1717991472 binder: 17466:17479 ioctl c0306201 200002c0 returned -22 binder: 17466:17479 Release 1 refcount change on invalid ref 1 ret -22 binder: 17466:17479 ioctl 41009432 20000840 returned -22 binder: 17501:17514 transaction failed 29189/-22, size 24-8 line 3012 binder: 17501:17514 unknown command 1717991472 binder: 17501:17514 ioctl c0306201 200002c0 returned -22 binder: 17501:17514 Release 1 refcount change on invalid ref 1 ret -22 binder: 17501:17514 ioctl 41009432 20000840 returned -22 binder: 17501:17514 BC_ACQUIRE_DONE u0000000000000000 no match binder: 17554:17570 transaction failed 29189/-22, size 24-8 line 3012 binder: 17554:17570 unknown command 1717991472 binder: 17554:17570 ioctl c0306201 200002c0 returned -22 binder: 17554:17570 Release 1 refcount change on invalid ref 1 ret -22 binder: 17554:17570 ioctl 41009432 20000840 returned -22 binder: 17554:17582 BC_ACQUIRE_DONE u0000000000000000 no match binder: 17588:17603 transaction failed 29189/-22, size 24-8 line 3012 binder: 17588:17603 unknown command 1717991472 binder: 17588:17603 ioctl c0306201 200002c0 returned -22 binder: 17588:17603 Release 1 refcount change on invalid ref 1 ret -22 binder: 17588:17603 ioctl 41009432 20000840 returned -22 binder: 17588:17603 BC_ACQUIRE_DONE u0000000000000000 no match binder: 17652:17674 transaction failed 29189/-22, size 24-8 line 3012 binder: 17652:17674 unknown command 1717991472 binder: 17652:17674 ioctl c0306201 200002c0 returned -22 binder: 17652:17674 Release 1 refcount change on invalid ref 1 ret -22 binder: 17652:17674 ioctl 41009432 20000840 returned -22 binder: 17652:17674 BC_ACQUIRE_DONE u0000000000000000 no match binder: 17700:17711 transaction failed 29189/-22, size 24-8 line 3012 binder: 17700:17711 unknown command 1717991472 binder: 17700:17711 ioctl c0306201 200002c0 returned -22 binder: 17700:17711 Release 1 refcount change on invalid ref 1 ret -22 binder: 17700:17711 ioctl 41009432 20000840 returned -22 binder: 17757:17773 transaction failed 29189/-22, size 24-8 line 3012 binder: 17757:17773 unknown command 1717991472 binder: 17757:17773 ioctl c0306201 200002c0 returned -22 binder: 17757:17773 Release 1 refcount change on invalid ref 1 ret -22 binder: 17757:17773 ioctl 41009432 20000840 returned -22 binder: 17803:17807 transaction failed 29189/-22, size 24-8 line 3012 binder: 17803:17807 unknown command 1717991472 binder: 17803:17807 ioctl c0306201 200002c0 returned -22 binder: 17803:17807 Release 1 refcount change on invalid ref 1 ret -22 binder: 17803:17807 ioctl 41009432 20000840 returned -22 binder: 17817:17829 transaction failed 29189/-22, size 24-8 line 3012 binder: 17817:17829 unknown command 1717991472 binder: 17817:17829 ioctl c0306201 200002c0 returned -22 binder: 17817:17829 Release 1 refcount change on invalid ref 1 ret -22 binder: 17817:17829 ioctl 41009432 20000840 returned -22 binder: 17851:17874 transaction failed 29189/-22, size 24-8 line 3012 binder: 17851:17874 unknown command 1717991472 binder: 17851:17874 ioctl c0306201 200002c0 returned -22 binder: 17851:17874 Release 1 refcount change on invalid ref 1 ret -22 binder: 17851:17874 ioctl 41009432 20000840 returned -22 binder: 17882:17903 transaction failed 29189/-22, size 24-8 line 3012 binder: 17882:17903 unknown command 1717991472 binder: 17882:17903 ioctl c0306201 200002c0 returned -22 binder: 17882:17903 Release 1 refcount change on invalid ref 1 ret -22 binder: 17882:17903 ioctl 41009432 20000840 returned -22 binder: 17926:17933 transaction failed 29189/-22, size 24-8 line 3012 binder: 17926:17933 unknown command 1717991472 binder: 17926:17933 ioctl c0306201 200002c0 returned -22 binder: 17926:17933 Release 1 refcount change on invalid ref 1 ret -22 binder: 17926:17933 ioctl 41009432 20000840 returned -22 binder: 17938:17962 transaction failed 29189/-22, size 24-8 line 3012 binder: 17938:17962 unknown command 1717991472 binder: 17938:17962 ioctl c0306201 200002c0 returned -22 binder: 17938:17962 Release 1 refcount change on invalid ref 1 ret -22 binder: 17938:17962 ioctl 41009432 20000840 returned -22 binder: 17972:17981 transaction failed 29189/-22, size 24-8 line 3012 binder: 17972:17981 unknown command 1717991472 binder: 17972:17981 ioctl c0306201 200002c0 returned -22 binder: 17972:17981 Release 1 refcount change on invalid ref 1 ret -22 binder: 17972:17981 ioctl 41009432 20000840 returned -22 audit: type=1400 audit(1550962933.390:71): avc: denied { create } for pid=17992 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_iscsi_socket permissive=1 binder: 17987:18006 transaction failed 29189/-22, size 24-8 line 3012 binder: 17987:18006 unknown command 1717991472 binder: 17987:18006 ioctl c0306201 200002c0 returned -22 binder: 17987:18006 Release 1 refcount change on invalid ref 1 ret -22 binder: 18033:18035 transaction failed 29189/-22, size 24-8 line 3012 binder: 18033:18035 unknown command 1717991472 binder: 18033:18035 ioctl c0306201 200002c0 returned -22 binder: 18033:18035 Release 1 refcount change on invalid ref 1 ret -22 binder: 18033:18035 ioctl 41009432 20000840 returned -22 binder: 18042:18065 transaction failed 29189/-22, size 24-8 line 3012 binder: 18042:18065 unknown command 1717991472 binder: 18042:18065 ioctl c0306201 200002c0 returned -22