Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts.
2019/10/09 05:24:20 fuzzer started
2019/10/09 05:24:20 dialing manager at 10.128.0.248:59871
2019/10/09 05:24:20 syscalls: 496
2019/10/09 05:24:20 code coverage: enabled
2019/10/09 05:24:20 comparison tracing: enabled
2019/10/09 05:24:20 extra coverage: support is not implemented in syzkaller
2019/10/09 05:24:20 setuid sandbox: support is not implemented in syzkaller
2019/10/09 05:24:20 namespace sandbox: support is not implemented in syzkaller
2019/10/09 05:24:20 Android sandbox: support is not implemented in syzkaller
2019/10/09 05:24:20 fault injection: support is not implemented in syzkaller
2019/10/09 05:24:20 leak checking: support is not implemented in syzkaller
2019/10/09 05:24:20 net packet injection: enabled
2019/10/09 05:24:20 net device setup: support is not implemented in syzkaller
2019/10/09 05:24:20 concurrency sanitizer: support is not implemented in syzkaller
05:24:20 executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000000680)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000080)=""/137, 0x89}, {0x0}, {0x0}], 0x3, 0x0}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}})
shutdown(r0, 0x0)

05:24:20 executing program 1:
pipe2(&(0x7f00000001c0)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000180)=[{}, {r0}], 0x2, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000380)={{0xffffffff284002a8}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000002c0)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029b, 0x0, 0x0, 0x0, 0xffffffffffffffff}})

05:24:20 executing program 2:
poll(&(0x7f00000001c0)=[{}], 0x1, 0xf8)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000007c0)={{0xffffffff2840029e}})

05:24:20 executing program 3:
r0 = open(&(0x7f0000000000)='./file0\x00', 0xa00, 0x0)
poll(&(0x7f00000000c0)=[{}, {}, {}, {}, {r0}], 0x5, 0x200)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0xff7fffff284002a3}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570598660
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00242f15b0
vpanic() at vpanic+0x1e0/frame 0xfffffe00242f1610
panic() at panic+0x43/frame 0xfffffe00242f1670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00242f16e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe00242f1770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe00242f1840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00242f18b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe00242f1980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe00242f1ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00242f1ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 767 tid 100113 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why