Warning: Permanently added '10.128.0.223' (ECDSA) to the list of known hosts.
2019/10/09 07:25:42 fuzzer started
2019/10/09 07:25:42 dialing manager at 10.128.0.248:59871
2019/10/09 07:25:42 syscalls: 496
2019/10/09 07:25:42 code coverage: enabled
2019/10/09 07:25:42 comparison tracing: enabled
2019/10/09 07:25:42 extra coverage: support is not implemented in syzkaller
2019/10/09 07:25:42 setuid sandbox: support is not implemented in syzkaller
2019/10/09 07:25:42 namespace sandbox: support is not implemented in syzkaller
2019/10/09 07:25:42 Android sandbox: support is not implemented in syzkaller
2019/10/09 07:25:42 fault injection: support is not implemented in syzkaller
2019/10/09 07:25:42 leak checking: support is not implemented in syzkaller
2019/10/09 07:25:42 net packet injection: enabled
2019/10/09 07:25:42 net device setup: support is not implemented in syzkaller
2019/10/09 07:25:42 concurrency sanitizer: support is not implemented in syzkaller
07:25:42 executing program 0:
r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x3, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0x284002b9}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a3}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0x2840029f}})

07:25:42 executing program 1:
pipe2(&(0x7f0000000000)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000080)=[{r0}], 0x1, 0x9f)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029d}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000300)={{0xffffffff284002ca}})

07:25:42 executing program 2:
r0 = open(&(0x7f0000000480)='./file0\x00', 0x80400000000206, 0x0)
r1 = open(&(0x7f00000000c0)='./file0\x00', 0x80000000000206, 0x0)
ftruncate(r1, 0x1745)
poll(&(0x7f0000000000)=[{r1, 0x2000}], 0x1, 0x101)
mmap(&(0x7f0000000000/0x200000)=nil, 0x200000, 0x3, 0x20011, r0, 0x0)

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570605942
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a295b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022a29610
panic() at panic+0x43/frame 0xfffffe0022a29670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a296e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a29770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a29840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a298b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a29980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a29ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a29ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 760 tid 100073 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why