Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts.
2019/10/09 10:42:58 fuzzer started
2019/10/09 10:42:58 dialing manager at 10.128.0.248:59871
2019/10/09 10:42:58 syscalls: 496
2019/10/09 10:42:58 code coverage: enabled
2019/10/09 10:42:58 comparison tracing: enabled
2019/10/09 10:42:58 extra coverage: support is not implemented in syzkaller
2019/10/09 10:42:58 setuid sandbox: support is not implemented in syzkaller
2019/10/09 10:42:58 namespace sandbox: support is not implemented in syzkaller
2019/10/09 10:42:58 Android sandbox: support is not implemented in syzkaller
2019/10/09 10:42:58 fault injection: support is not implemented in syzkaller
2019/10/09 10:42:58 leak checking: support is not implemented in syzkaller
2019/10/09 10:42:58 net packet injection: enabled
2019/10/09 10:42:58 net device setup: support is not implemented in syzkaller
2019/10/09 10:42:58 concurrency sanitizer: support is not implemented in syzkaller
10:42:58 executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
read(r0, &(0x7f0000000000)=""/28, 0x1c)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002cb}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff2840029c}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029a}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f28400299}})
shutdown(r0, 0x0)

10:42:58 executing program 1:
poll(0x0, 0x0, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000100)={{0xffffffff284002c9}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0xffffffff284002a2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff2840029d}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029b}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000380)={{0xffffffff2840029a}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff28400299}})

10:42:58 executing program 2:
poll(&(0x7f0000000040)=[{}, {}], 0x2, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff284002df}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f28400295}})

10:42:58 executing program 3:
clock_nanosleep(0x0, 0x0, &(0x7f0000000280)={0x0, 0x20efdcc8}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0x284000cb}})

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570617778
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00242955b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0024295610
panic() at panic+0x43/frame 0xfffffe0024295670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00242956e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0024295770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0024295840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00242958b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0024295980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0024295ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024295ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 761 tid 100095 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why