Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts.
2019/03/16 22:24:53 parsed 1 programs
2019/03/16 22:24:53 executed programs: 0
login: panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/netinet/tcp_output.c:337
cpuid = 1
time = 1552775094
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001fa63550
vpanic() at vpanic+0x1e0/frame 0xfffffe001fa635b0
panic() at panic+0x43/frame 0xfffffe001fa63610
__mtx_lock_flags() at __mtx_lock_flags+0x1fd/frame 0xfffffe001fa63670
tcp_output() at tcp_output+0x62a/frame 0xfffffe001fa63830
tcp_usr_connect() at tcp_usr_connect+0x25c/frame 0xfffffe001fa63880
soconnectat() at soconnectat+0x183/frame 0xfffffe001fa638e0
kern_connectat() at kern_connectat+0x1ff/frame 0xfffffe001fa63940
sys_connect() at sys_connect+0xd9/frame 0xfffffe001fa63980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe001fa63ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe001fa63ab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x412e5a, rsp = 0x7fffdffdcf38, rbp = 0x3 ---
KDB: enter: panic
[ thread pid 768 tid 100113 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why