Warning: Permanently added '10.128.0.207' (ECDSA) to the list of known hosts.
2019/10/09 07:47:10 fuzzer started
2019/10/09 07:47:10 dialing manager at 10.128.0.248:59866
2019/10/09 07:47:10 syscalls: 496
2019/10/09 07:47:10 code coverage: enabled
2019/10/09 07:47:10 comparison tracing: enabled
2019/10/09 07:47:10 extra coverage: support is not implemented in syzkaller
2019/10/09 07:47:10 setuid sandbox: support is not implemented in syzkaller
2019/10/09 07:47:10 namespace sandbox: support is not implemented in syzkaller
2019/10/09 07:47:10 Android sandbox: support is not implemented in syzkaller
2019/10/09 07:47:10 fault injection: support is not implemented in syzkaller
2019/10/09 07:47:10 leak checking: support is not implemented in syzkaller
2019/10/09 07:47:10 net packet injection: enabled
2019/10/09 07:47:10 net device setup: support is not implemented in syzkaller
2019/10/09 07:47:10 concurrency sanitizer: support is not implemented in syzkaller
07:47:10 executing program 0:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r0, &(0x7f0000001680)=[{&(0x7f0000000000)=""/35, 0x23}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x7)
fcntl$dupfd(r0, 0x0, r0)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r1, 0x0, 0xfff7, 0x0, 0x0, 0x800e00507)
shutdown(r0, 0x0)
r2 = dup(r1)
dup2(r2, r0)
recvfrom$inet(r1, 0x0, 0xcffa, 0x2, 0x0, 0x800e0050e)
shutdown(r2, 0x0)

07:47:10 executing program 1:
poll(&(0x7f0000000040), 0x2354, 0x4e)
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r0, 0x0, 0x34dae5f8, 0x0, 0x0, 0x800e00966)
poll(&(0x7f0000000040), 0x2000000000000027, 0xb0)
shutdown(r0, 0x0)

07:47:10 executing program 2:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
setsockopt$sock_timeval(r0, 0xffff, 0x1006, &(0x7f0000000000), 0x10)
recvfrom$inet(r0, 0x0, 0xfffffffe, 0x0, 0x0, 0x800e00565)
shutdown(r0, 0x0)

07:47:10 executing program 3:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f0000000100)={0x0, 0xffffffcb, &(0x7f0000000800)=[{&(0x7f0000000000)=""/251, 0xfb}, {0x0}, {0x0, 0x26f}, {0x0, 0xfffffffffffffde9}], 0x100000000000000a, 0x0}, 0x54fd0cfdac17114a)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r2, 0x0, 0x1008d, 0x0, 0x0, 0x800e00527)
shutdown(r1, 0x0)
setsockopt$inet_int(r2, 0x0, 0x41, &(0x7f0000000140), 0x4)
recvfrom$inet(r2, 0x0, 0xfffffdc4, 0x0, 0x0, 0x800e0051e)
shutdown(r2, 0x0)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570607230
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe00242f45b0
vpanic() at vpanic+0x1e0/frame 0xfffffe00242f4610
panic() at panic+0x43/frame 0xfffffe00242f4670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe00242f46e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe00242f4770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe00242f4840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe00242f48b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe00242f4980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe00242f4ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00242f4ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 761 tid 100114 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why