Warning: Permanently added '10.128.1.34' (ECDSA) to the list of known hosts.
2019/10/09 06:12:56 fuzzer started
2019/10/09 06:12:56 dialing manager at 10.128.0.248:59871
2019/10/09 06:12:56 syscalls: 496
2019/10/09 06:12:56 code coverage: enabled
2019/10/09 06:12:56 comparison tracing: enabled
2019/10/09 06:12:56 extra coverage: support is not implemented in syzkaller
2019/10/09 06:12:56 setuid sandbox: support is not implemented in syzkaller
2019/10/09 06:12:56 namespace sandbox: support is not implemented in syzkaller
2019/10/09 06:12:56 Android sandbox: support is not implemented in syzkaller
2019/10/09 06:12:56 fault injection: support is not implemented in syzkaller
2019/10/09 06:12:56 leak checking: support is not implemented in syzkaller
2019/10/09 06:12:56 net packet injection: enabled
2019/10/09 06:12:56 net device setup: support is not implemented in syzkaller
2019/10/09 06:12:56 concurrency sanitizer: support is not implemented in syzkaller
06:12:56 executing program 0:
pipe2(&(0x7f0000000180)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000240)=[{r0}], 0x1, 0xc9)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0x7fffffdf284002e5}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0x284002e1}})

06:12:56 executing program 1:
poll(0x0, 0x0, 0xfa)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a0}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029b}})

06:12:56 executing program 2:
r0 = open(&(0x7f0000000000)='./file0\x00', 0x100346, 0x0)
poll(&(0x7f00000000c0)=[{r0}], 0x1, 0xfa)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002ca}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0xffffff7f2840029c}})

06:12:56 executing program 3:
poll(0x0, 0x0, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xfdffffff284002a3}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000300)={{0xffffffff284002ca}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029d}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570601576
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00242e55b0
vpanic() at vpanic+0x1e0/frame 0xfffffe00242e5610
panic() at panic+0x43/frame 0xfffffe00242e5670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00242e56e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe00242e5770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe00242e5840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00242e58b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe00242e5980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe00242e5ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00242e5ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 762 tid 100111 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why