Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts.
2019/10/09 03:35:18 fuzzer started
2019/10/09 03:35:18 dialing manager at 10.128.0.248:59871
2019/10/09 03:35:18 syscalls: 496
2019/10/09 03:35:18 code coverage: enabled
2019/10/09 03:35:18 comparison tracing: enabled
2019/10/09 03:35:18 extra coverage: support is not implemented in syzkaller
2019/10/09 03:35:18 setuid sandbox: support is not implemented in syzkaller
2019/10/09 03:35:18 namespace sandbox: support is not implemented in syzkaller
2019/10/09 03:35:18 Android sandbox: support is not implemented in syzkaller
2019/10/09 03:35:18 fault injection: support is not implemented in syzkaller
2019/10/09 03:35:18 leak checking: support is not implemented in syzkaller
2019/10/09 03:35:18 net packet injection: enabled
2019/10/09 03:35:18 net device setup: support is not implemented in syzkaller
2019/10/09 03:35:18 concurrency sanitizer: support is not implemented in syzkaller
03:35:18 executing program 0:
poll(&(0x7f0000000180)=[{}], 0x3, 0xff)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029c}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029b}})

03:35:18 executing program 1:
pipe2(&(0x7f0000000040), 0x0)
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
recvmsg(r0, &(0x7f0000001840)={0x0, 0xffffffffffffff7d, &(0x7f0000000140), 0x2, 0x0}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002cb}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029d}})

03:35:18 executing program 2:
poll(&(0x7f00000003c0), 0x16, 0xc7)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000480)={{0xffffffff2840029c}})

03:35:18 executing program 3:
poll(&(0x7f00000001c0)=[{}, {}, {}, {}, {}], 0x5, 0xf8)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff284002a1}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000200)={{0xffffffff2840029f}})

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570592118
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a475b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022a47610
panic() at panic+0x43/frame 0xfffffe0022a47670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a476e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a47770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a47840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a478b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a47980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a47ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a47ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 766 tid 100079 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why