Autoloading module: intpm.ko
Starting background file system checks in 60 seconds.

Tue Jun  4 15:48

FreeBSD/amd64 (ci-freebsd-main-9.c.syzkaller.internal) (ttyu0)



Warning: Permanently added '10.128.10.8' (ECDSA) to the list of known hosts.
2019/06/04 15:49:57 parsed 1 programs
2019/06/04 15:49:57 executed programs: 0
login: interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
panic: sx lock still held
cpuid = 0
time = 1559663397
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001f6b3760
vpanic() at vpanic+0x1e0/frame 0xfffffe001f6b37c0
panic() at panic+0x43/frame 0xfffffe001f6b3820
sx_destroy() at sx_destroy+0x5e/frame 0xfffffe001f6b3840
solisten_proto() at solisten_proto+0xd2/frame 0xfffffe001f6b38a0
tcp_usr_listen() at tcp_usr_listen+0x188/frame 0xfffffe001f6b3900
solisten() at solisten+0x7a/frame 0xfffffe001f6b3940
kern_listen() at kern_listen+0x132/frame 0xfffffe001f6b3980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe001f6b3ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe001f6b3ab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x41311a, rsp = 0x7fffdfffdf38, rbp = 0x2 ---
KDB: enter: panic
[ thread pid 789 tid 100110 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why