Warning: Permanently added '10.128.0.18' (ECDSA) to the list of known hosts.
2019/10/09 03:09:49 fuzzer started
2019/10/09 03:09:49 dialing manager at 10.128.0.248:59871
2019/10/09 03:09:49 syscalls: 496
2019/10/09 03:09:49 code coverage: enabled
2019/10/09 03:09:49 comparison tracing: enabled
2019/10/09 03:09:49 extra coverage: support is not implemented in syzkaller
2019/10/09 03:09:49 setuid sandbox: support is not implemented in syzkaller
2019/10/09 03:09:49 namespace sandbox: support is not implemented in syzkaller
2019/10/09 03:09:49 Android sandbox: support is not implemented in syzkaller
2019/10/09 03:09:49 fault injection: support is not implemented in syzkaller
2019/10/09 03:09:49 leak checking: support is not implemented in syzkaller
2019/10/09 03:09:49 net packet injection: enabled
2019/10/09 03:09:49 net device setup: support is not implemented in syzkaller
2019/10/09 03:09:49 concurrency sanitizer: support is not implemented in syzkaller
03:09:49 executing program 0:
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={<r0=>0xffffffffffffffff})
read(r0, &(0x7f00000000c0)=""/16, 0x10)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002a6}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029b}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff2840029a}})

03:09:49 executing program 1:
pipe2(&(0x7f0000000100)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000180)=[{}, {}, {}, {r0}], 0x4, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002a6}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f2840029b}})

03:09:49 executing program 2:
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000140)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
poll(&(0x7f0000000180)=[{r0}], 0x1, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff284003df}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002a6}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002a2}})

03:09:49 executing program 3:
poll(&(0x7f0000000180)=[{}, {}, {}, {}, {}, {}, {}, {}], 0x8, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000300)={{0xffffffff284002d1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff284002a2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029f}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570590589
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00242b35b0
vpanic() at vpanic+0x1e0/frame 0xfffffe00242b3610
panic() at panic+0x43/frame 0xfffffe00242b3670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00242b36e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe00242b3770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe00242b3840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00242b38b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe00242b3980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe00242b3ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00242b3ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 763 tid 100101 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why