Warning: Permanently added '10.128.0.22' (ECDSA) to the list of known hosts.
2019/10/09 09:29:41 fuzzer started
2019/10/09 09:29:41 dialing manager at 10.128.0.248:59871
2019/10/09 09:29:41 syscalls: 496
2019/10/09 09:29:41 code coverage: enabled
2019/10/09 09:29:41 comparison tracing: enabled
2019/10/09 09:29:41 extra coverage: support is not implemented in syzkaller
2019/10/09 09:29:41 setuid sandbox: support is not implemented in syzkaller
2019/10/09 09:29:41 namespace sandbox: support is not implemented in syzkaller
2019/10/09 09:29:41 Android sandbox: support is not implemented in syzkaller
2019/10/09 09:29:41 fault injection: support is not implemented in syzkaller
2019/10/09 09:29:41 leak checking: support is not implemented in syzkaller
2019/10/09 09:29:41 net packet injection: enabled
2019/10/09 09:29:41 net device setup: support is not implemented in syzkaller
2019/10/09 09:29:41 concurrency sanitizer: support is not implemented in syzkaller
09:29:41 executing program 0:
r0 = open(&(0x7f0000000000)='./file0\x00', 0xa00, 0x0)
poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x201)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xfbffffff2840029d}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000400)={{0xffffffff2840029a}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002cb}})

09:29:41 executing program 1:
r0 = open$dir(&(0x7f0000000180)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000480)={{0x28400297}})

09:29:41 executing program 2:
pipe2(&(0x7f0000000100)={<r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f0000000180)=[{}, {}, {}, {}, {r0}], 0x5, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a5}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffffff284002a1}})

09:29:41 executing program 3:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000000480)={0x0, 0x0, &(0x7f0000001540)=[{&(0x7f0000000140)=""/244, 0xf4}], 0x1, 0x0}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffffff2840028c}})
shutdown(r0, 0x0)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570613382
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00243035b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0024303610
panic() at panic+0x43/frame 0xfffffe0024303670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00243036e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0024303770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0024303840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00243038b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0024303980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0024303ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024303ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 765 tid 100117 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why