Warning: Permanently added '10.128.0.158' (ECDSA) to the list of known hosts.
2019/10/09 10:06:17 fuzzer started
2019/10/09 10:06:17 dialing manager at 10.128.0.248:59871
2019/10/09 10:06:17 syscalls: 496
2019/10/09 10:06:17 code coverage: enabled
2019/10/09 10:06:17 comparison tracing: enabled
2019/10/09 10:06:17 extra coverage: support is not implemented in syzkaller
2019/10/09 10:06:17 setuid sandbox: support is not implemented in syzkaller
2019/10/09 10:06:17 namespace sandbox: support is not implemented in syzkaller
2019/10/09 10:06:17 Android sandbox: support is not implemented in syzkaller
2019/10/09 10:06:17 fault injection: support is not implemented in syzkaller
2019/10/09 10:06:17 leak checking: support is not implemented in syzkaller
2019/10/09 10:06:17 net packet injection: enabled
2019/10/09 10:06:17 net device setup: support is not implemented in syzkaller
2019/10/09 10:06:17 concurrency sanitizer: support is not implemented in syzkaller
10:06:17 executing program 0:
pipe2(&(0x7f0000000040)={<r0=>0xffffffffffffffff}, 0x0)
readv(r0, &(0x7f0000000380)=[{&(0x7f0000000100)=""/115, 0x73}], 0x1)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029a}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002ca}})

10:06:17 executing program 1:
r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x3, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000280)={{0xffffffff284002a7}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000007c0)={{0xffffffff284002a2}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000002c0)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029a}})

10:06:17 executing program 2:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
recvmsg(r0, &(0x7f0000001800)={0x0, 0x0, &(0x7f00000004c0)=[{&(0x7f0000000480)=""/37, 0x25}, {0x0}], 0x2, 0x0}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a5}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000300)={{0xffffffff284002d1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000180)={{0xffffffff284002a2}})
shutdown(r0, 0x0)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570615577
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00242ef5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe00242ef610
panic() at panic+0x43/frame 0xfffffe00242ef670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00242ef6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe00242ef770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe00242ef840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00242ef8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe00242ef980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe00242efab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00242efab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 760 tid 100113 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why