panic: Bad list head 0xfffffe00007f8148 first->prev != head cpuid = 1 time = 1557399659 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00212b3710 vpanic() at vpanic+0x1e0/frame 0xfffffe00212b3770 panic() at panic+0x43/frame 0xfffffe00212b37d0 sctp_inpcb_bind() at sctp_inpcb_bind+0x1151/frame 0xfffffe00212b3890 sctp_listen() at sctp_listen+0x475/frame 0xfffffe00212b3900 solisten() at solisten+0x7a/frame 0xfffffe00212b3940 kern_listen() at kern_listen+0x132/frame 0xfffffe00212b3980 amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe00212b3ab0 fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00212b3ab0 --- syscall (198, FreeBSD ELF64, nosys), rip = 0x41309a, rsp = 0x7fffdfffdf38, rbp = 0x2 --- KDB: enter: panic [ thread pid 14433 tid 100731 ] Stopped at kdb_enter+0x6a: movq $0,kdb_why