Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts.
2019/10/09 07:02:48 fuzzer started
2019/10/09 07:02:48 dialing manager at 10.128.0.248:59871
2019/10/09 07:02:48 syscalls: 496
2019/10/09 07:02:48 code coverage: enabled
2019/10/09 07:02:48 comparison tracing: enabled
2019/10/09 07:02:48 extra coverage: support is not implemented in syzkaller
2019/10/09 07:02:48 setuid sandbox: support is not implemented in syzkaller
2019/10/09 07:02:48 namespace sandbox: support is not implemented in syzkaller
2019/10/09 07:02:48 Android sandbox: support is not implemented in syzkaller
2019/10/09 07:02:48 fault injection: support is not implemented in syzkaller
2019/10/09 07:02:48 leak checking: support is not implemented in syzkaller
2019/10/09 07:02:48 net packet injection: enabled
2019/10/09 07:02:48 net device setup: support is not implemented in syzkaller
2019/10/09 07:02:48 concurrency sanitizer: support is not implemented in syzkaller
07:02:48 executing program 0:
freebsd11_mknod(&(0x7f0000000280)='./file0\x00', 0x1000, 0x0)
open(&(0x7f0000001300)='./file0\x00', 0x0, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff2840029f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002ca}})
open$dir(&(0x7f0000000000)='./file0\x00', 0x40000400000002c2, 0x0)

07:02:49 executing program 1:
poll(&(0x7f0000000180)=[{}, {}, {}], 0x3, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff2840029f, 0x0, 0xffffffffffffffff}})

07:02:49 executing program 2:
poll(&(0x7f0000000140)=[{}, {}], 0x2, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0x2840029f, 0x0, 0x0, 0xffffffffffffffff}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffff7f2840029b}})

07:02:49 executing program 3:
mlock(&(0x7f0000a00000/0x600000)=nil, 0x600000)
munmap(&(0x7f000091b000/0x600000)=nil, 0x600000)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570604569
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022ae25b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022ae2610
panic() at panic+0x43/frame 0xfffffe0022ae2670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022ae26e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022ae2770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022ae2840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022ae28b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022ae2980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022ae2ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022ae2ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 762 tid 100110 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why