Warning: Permanently added '10.128.1.21' (ECDSA) to the list of known hosts. 2021/05/07 16:46:01 parsed 1 programs 2021/05/07 16:46:01 executed programs: 0 2021/05/07 16:46:06 executed programs: 1439 2021/05/07 16:46:11 executed programs: 2932 2021/05/07 16:46:16 executed programs: 4356 2021/05/07 16:46:21 executed programs: 5830 login: panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/kern/uipc_sockbuf.c:434 cpuid = 0 time = 1620405981 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0003779120 vpanic() at vpanic+0x1c7/frame 0xfffffe0003779180 panic() at panic+0x43/frame 0xfffffe00037791e0 __mtx_lock_flags() at __mtx_lock_flags+0x202/frame 0xfffffe0003779240 socantrcvmore() at socantrcvmore+0x2c/frame 0xfffffe0003779260 sctp_notify_assoc_change() at sctp_notify_assoc_change+0x5b8/frame 0xfffffe00037792d0 sctp_process_control() at sctp_process_control+0x8d2b/frame 0xfffffe0003779760 sctp_common_input_processing() at sctp_common_input_processing+0x7d0/frame 0xfffffe00037798e0 sctp_input_with_port() at sctp_input_with_port+0x30a/frame 0xfffffe00037799d0 sctp_input() at sctp_input+0x1f/frame 0xfffffe00037799f0 ip_input() at ip_input+0x388/frame 0xfffffe0003779a90 swi_net() at swi_net+0x20d/frame 0xfffffe0003779b10 ithread_loop() at ithread_loop+0x33f/frame 0xfffffe0003779bb0 fork_exit() at fork_exit+0xb3/frame 0xfffffe0003779bf0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0003779bf0 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 12 tid 100032 ] Stopped at kdb_enter+0x67: movq $0,0x163a54e(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db>