Warning: Permanently added '10.128.1.27' (ECDSA) to the list of known hosts.
2019/10/09 06:00:50 fuzzer started
2019/10/09 06:00:50 dialing manager at 10.128.0.248:59871
2019/10/09 06:00:50 syscalls: 496
2019/10/09 06:00:50 code coverage: enabled
2019/10/09 06:00:50 comparison tracing: enabled
2019/10/09 06:00:50 extra coverage: support is not implemented in syzkaller
2019/10/09 06:00:50 setuid sandbox: support is not implemented in syzkaller
2019/10/09 06:00:50 namespace sandbox: support is not implemented in syzkaller
2019/10/09 06:00:50 Android sandbox: support is not implemented in syzkaller
2019/10/09 06:00:50 fault injection: support is not implemented in syzkaller
2019/10/09 06:00:50 leak checking: support is not implemented in syzkaller
2019/10/09 06:00:50 net packet injection: enabled
2019/10/09 06:00:50 net device setup: support is not implemented in syzkaller
2019/10/09 06:00:50 concurrency sanitizer: support is not implemented in syzkaller
06:00:50 executing program 0:
poll(&(0x7f0000000140)=[{}], 0x1, 0xc3)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002dd}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0x284002da}})

06:00:50 executing program 1:
r0 = socket$inet6_sctp(0x1c, 0x5, 0x84)
recvmsg(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000140)={{0xffffffff284002a3}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029f}})

06:00:50 executing program 2:
r0 = open$dir(&(0x7f0000000100)='./file0\x00', 0x40008400000002c5, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x3, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000280)={{0xffffffff284002a7}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000080)={{0xffffffff2840029b}})

06:00:50 executing program 3:
r0 = open$dir(&(0x7f0000001240)='./file0\x00', 0x40000400000002c2, 0x0)
pwritev(r0, &(0x7f0000000080)=[{&(0x7f00000006c0), 0x100000}], 0x1, 0x0)
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f0000000000)={{0xffffffff284002c9}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000001c0)={{0xffffffff2840029d}})
__semctl$IPC_SET(0x0, 0x0, 0xa, &(0x7f00000000c0)={{0xffffffff2840029b}})

login: panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/i386/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570600850
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022ad85b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022ad8610
panic() at panic+0x43/frame 0xfffffe0022ad8670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022ad86e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022ad8770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022ad8840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022ad88b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022ad8980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022ad8ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022ad8ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 767 tid 100108 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why