Warning: Permanently added '10.128.0.239' (ECDSA) to the list of known hosts.
2019/10/09 03:47:12 fuzzer started
2019/10/09 03:47:12 dialing manager at 10.128.0.248:59871
2019/10/09 03:47:12 syscalls: 496
2019/10/09 03:47:12 code coverage: enabled
2019/10/09 03:47:12 comparison tracing: enabled
2019/10/09 03:47:12 extra coverage: support is not implemented in syzkaller
2019/10/09 03:47:12 setuid sandbox: support is not implemented in syzkaller
2019/10/09 03:47:12 namespace sandbox: support is not implemented in syzkaller
2019/10/09 03:47:12 Android sandbox: support is not implemented in syzkaller
2019/10/09 03:47:12 fault injection: support is not implemented in syzkaller
2019/10/09 03:47:12 leak checking: support is not implemented in syzkaller
2019/10/09 03:47:12 net packet injection: enabled
2019/10/09 03:47:12 net device setup: support is not implemented in syzkaller
2019/10/09 03:47:12 concurrency sanitizer: support is not implemented in syzkaller
03:47:12 executing program 0:
r0 = open(&(0x7f0000000000)='./file0\x00', 0xa00, 0x0)
poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x200)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029c}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff284002cb, 0x0, 0x0, 0xffffffffffffffff}})

03:47:13 executing program 1:
r0 = open$dir(&(0x7f00000001c0)='./file0\x00', 0x40000400000003c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x4, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000280)={{0x284002b1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff2840029f}})

03:47:13 executing program 2:
r0 = socket$inet6_sctp(0x1c, 0x1, 0x84)
setsockopt$inet6_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x27, &(0x7f0000000000), 0x2)

03:47:13 executing program 3:
pipe2(&(0x7f0000000040)={0xffffffffffffffff, <r0=>0xffffffffffffffff}, 0x0)
poll(&(0x7f00000000c0)=[{}, {r0}], 0x2, 0xfa)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000040)={{0xffffffff2840029e}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffff7f28400299}})

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570592833
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a245b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022a24610
panic() at panic+0x43/frame 0xfffffe0022a24670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a246e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a24770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a24840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a248b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a24980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a24ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a24ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 763 tid 100072 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why