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

Tue May 21 07:52

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



Warning: Permanently added '10.128.10.56' (ECDSA) to the list of known hosts.
2019/05/21 07:53:08 parsed 1 programs
2019/05/21 07:53:08 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
panic: mtx_lock() of spin mutex (null) @ /syzkaller/managers/main/kernel/sys/kern/sys_socket.c:811
cpuid = 0
time = 1558425188
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe001f886720
vpanic() at vpanic+0x1e0/frame 0xfffffe001f886780
panic() at panic+0x43/frame 0xfffffe001f8867e0
__mtx_lock_flags() at __mtx_lock_flags+0x1fd/frame 0xfffffe001f886840
soo_aio_queue() at soo_aio_queue+0xab/frame 0xfffffe001f886880
aio_aqueue() at aio_aqueue+0x75d/frame 0xfffffe001f886980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe001f886ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe001f886ab0
--- syscall (255, FreeBSD ELF64, sys_aio_read), rip = 0x20000149, rsp = 0x7fffdfffded0, rbp = 0xa ---
KDB: enter: panic
[ thread pid 780 tid 100109 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why