Warning: Permanently added '10.128.0.250' (ECDSA) to the list of known hosts.
2019/10/09 06:24:48 fuzzer started
2019/10/09 06:24:48 dialing manager at 10.128.0.248:59871
2019/10/09 06:24:48 syscalls: 496
2019/10/09 06:24:48 code coverage: enabled
2019/10/09 06:24:48 comparison tracing: enabled
2019/10/09 06:24:48 extra coverage: support is not implemented in syzkaller
2019/10/09 06:24:48 setuid sandbox: support is not implemented in syzkaller
2019/10/09 06:24:48 namespace sandbox: support is not implemented in syzkaller
2019/10/09 06:24:48 Android sandbox: support is not implemented in syzkaller
2019/10/09 06:24:48 fault injection: support is not implemented in syzkaller
2019/10/09 06:24:48 leak checking: support is not implemented in syzkaller
2019/10/09 06:24:48 net packet injection: enabled
2019/10/09 06:24:48 net device setup: support is not implemented in syzkaller
2019/10/09 06:24:48 concurrency sanitizer: support is not implemented in syzkaller
06:24:48 executing program 0:
poll(&(0x7f00000000c0)=[{}, {}, {}, {}, {}, {}], 0x6, 0xfa)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0x2840029e}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}})

06:24:48 executing program 1:
r0 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0xa, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000300)={{0xffffffff284002ae}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029d}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xfffffff72840029a}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff28400299}})

06:24:48 executing program 2:
poll(&(0x7f00000000c0), 0x4, 0x172)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f2840039f}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029d}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002c9}})

06:24:48 executing program 3:
poll(&(0x7f0000000180)=[{}, {}, {}, {}], 0x4, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002ca}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}})
__semctl$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 = 1570602289
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a7e5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022a7e610
panic() at panic+0x43/frame 0xfffffe0022a7e670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a7e6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a7e770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a7e840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a7e8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a7e980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a7eab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a7eab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 766 tid 100090 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why