Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts.
2019/10/09 05:12:26 fuzzer started
2019/10/09 05:12:26 dialing manager at 10.128.0.248:59871
2019/10/09 05:12:26 syscalls: 496
2019/10/09 05:12:26 code coverage: enabled
2019/10/09 05:12:26 comparison tracing: enabled
2019/10/09 05:12:26 extra coverage: support is not implemented in syzkaller
2019/10/09 05:12:26 setuid sandbox: support is not implemented in syzkaller
2019/10/09 05:12:26 namespace sandbox: support is not implemented in syzkaller
2019/10/09 05:12:26 Android sandbox: support is not implemented in syzkaller
2019/10/09 05:12:26 fault injection: support is not implemented in syzkaller
2019/10/09 05:12:26 leak checking: support is not implemented in syzkaller
2019/10/09 05:12:26 net packet injection: enabled
2019/10/09 05:12:26 net device setup: support is not implemented in syzkaller
2019/10/09 05:12:26 concurrency sanitizer: support is not implemented in syzkaller
05:12:26 executing program 0:
nanosleep(&(0x7f0000000100)={0x0, 0x20000000}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002a9}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002a6}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000300)={{0xffffffff284002d2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff284002a3}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002a2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029c}})

05:12:26 executing program 1:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f0000000780)={0x0, 0x0, &(0x7f0000000680)=[{&(0x7f0000000100)=""/116, 0x74}], 0x7, 0x0}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0x284002ca}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff2840029e}})

05:12:26 executing program 2:
poll(&(0x7f00000000c0)=[{}, {}, {}], 0x3, 0xfa)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002a2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029c}})

05:12:26 executing program 3:
pipe2(&(0x7f0000000100)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000180)=[{}, {r0}], 0x2, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0x284002d0}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}})

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570597946
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 759 tid 100111 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why