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

Wed Oct  9 05:35

FreeBSD/amd64 (ci-freebsd-i386-0.c.syzkaller.internal) (ttyu0)



Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts.
2019/10/09 05:36:07 fuzzer started
2019/10/09 05:36:07 dialing manager at 10.128.0.248:59871
2019/10/09 05:36:07 syscalls: 496
2019/10/09 05:36:07 code coverage: enabled
2019/10/09 05:36:07 comparison tracing: enabled
2019/10/09 05:36:07 extra coverage: support is not implemented in syzkaller
2019/10/09 05:36:07 setuid sandbox: support is not implemented in syzkaller
2019/10/09 05:36:07 namespace sandbox: support is not implemented in syzkaller
2019/10/09 05:36:07 Android sandbox: support is not implemented in syzkaller
2019/10/09 05:36:07 fault injection: support is not implemented in syzkaller
2019/10/09 05:36:07 leak checking: support is not implemented in syzkaller
2019/10/09 05:36:07 net packet injection: enabled
2019/10/09 05:36:07 net device setup: support is not implemented in syzkaller
2019/10/09 05:36:07 concurrency sanitizer: support is not implemented in syzkaller
05:36:07 executing program 0:
r0 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xff7fffff284002a7}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000480)={{0xffffffff284002a3}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000340)={{0xffffffff284002a2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000400)={{0xffffffff2840029a}})

05:36:07 executing program 1:
r0 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0xa, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff284002b9}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0x284002a5}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000280)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffffff28400299}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570599367
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a515b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022a51610
panic() at panic+0x43/frame 0xfffffe0022a51670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a516e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a51770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a51840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a518b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a51980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a51ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a51ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 760 tid 100081 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why