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

Sun May 19 10:27

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



Warning: Permanently added '10.128.0.143' (ECDSA) to the list of known hosts.
2019/05/19 10:28:04 parsed 1 programs
2019/05/19 10:28:04 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
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
2019/05/19 10:28:09 executed programs: 1643
2019/05/19 10:28:14 executed programs: 3480
interface if_tuntap.1 already present in the KLD 'kernel'!
linker_load_file: /boot/kernel/if_tap.ko - unsupported file type
2019/05/19 10:28:19 executed programs: 5191
2019/05/19 10:28:24 executed programs: 6962
2019/05/19 10:28:29 executed programs: 8791
2019/05/19 10:28:34 executed programs: 10499
2019/05/19 10:28:39 executed programs: 12256
2019/05/19 10:28:44 executed programs: 14130
2019/05/19 10:28:49 executed programs: 15982
2019/05/19 10:28:54 executed programs: 17695
2019/05/19 10:28:59 executed programs: 19347
panic: udp_output: shared udbinfo lock, excl inp lock
cpuid = 1
time = 1558261742
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002112b550
vpanic() at vpanic+0x1e0/frame 0xfffffe002112b5b0
panic() at panic+0x43/frame 0xfffffe002112b610
udp_send() at udp_send+0x139c/frame 0xfffffe002112b730
sosend_dgram() at sosend_dgram+0x550/frame 0xfffffe002112b7a0
sosend() at sosend+0xc6/frame 0xfffffe002112b810
kern_sendit() at kern_sendit+0x35e/frame 0xfffffe002112b8c0
sendit() at sendit+0x226/frame 0xfffffe002112b920
sys_sendmsg() at sys_sendmsg+0x8b/frame 0xfffffe002112b980
amd64_syscall() at amd64_syscall+0x436/frame 0xfffffe002112bab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002112bab0
--- syscall (198, FreeBSD ELF64, nosys), rip = 0x41309a, rsp = 0x7fffdfffdf38, rbp = 0x3 ---
KDB: enter: panic
[ thread pid 21428 tid 101145 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why