Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts.
2019/10/09 04:23:45 fuzzer started
2019/10/09 04:23:45 dialing manager at 10.128.0.248:59871
2019/10/09 04:23:45 syscalls: 496
2019/10/09 04:23:45 code coverage: enabled
2019/10/09 04:23:45 comparison tracing: enabled
2019/10/09 04:23:45 extra coverage: support is not implemented in syzkaller
2019/10/09 04:23:45 setuid sandbox: support is not implemented in syzkaller
2019/10/09 04:23:45 namespace sandbox: support is not implemented in syzkaller
2019/10/09 04:23:45 Android sandbox: support is not implemented in syzkaller
2019/10/09 04:23:45 fault injection: support is not implemented in syzkaller
2019/10/09 04:23:45 leak checking: support is not implemented in syzkaller
2019/10/09 04:23:45 net packet injection: enabled
2019/10/09 04:23:45 net device setup: support is not implemented in syzkaller
2019/10/09 04:23:45 concurrency sanitizer: support is not implemented in syzkaller
04:23:45 executing program 0:
pipe2(&(0x7f0000000080)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000340)=[{}, {}, {}, {r0}], 0x4, 0x81)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000480)={{0xffffffff284002a3}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a2}})

04:23:45 executing program 1:
pipe2(&(0x7f0000000080)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x1ff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029e}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029a}})

04:23:45 executing program 2:
syz_emit_ethernet(0x4000, &(0x7f00000000c0)={@local, @broadcast, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, @remote={0xac, 0x223}}, @icmp=@parameter_prob={0xc, 0x0, 0x0, 0x0, 0x0, 0x0, {0x5, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local={0xac, 0x223}}}}}}})

04:23:45 executing program 3:
poll(&(0x7f0000000180)=[{}, {}, {}, {}, {}, {}], 0x6, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f2840029b}})

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570595025
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a5b5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022a5b610
panic() at panic+0x43/frame 0xfffffe0022a5b670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a5b6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a5b770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a5b840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a5b8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a5b980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a5bab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a5bab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 767 tid 100083 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why