Warning: Permanently added '10.128.0.84' (ECDSA) to the list of known hosts.
2019/10/09 08:25:38 fuzzer started
2019/10/09 08:25:38 dialing manager at 10.128.0.248:59866
2019/10/09 08:25:38 syscalls: 496
2019/10/09 08:25:38 code coverage: enabled
2019/10/09 08:25:38 comparison tracing: enabled
2019/10/09 08:25:38 extra coverage: support is not implemented in syzkaller
2019/10/09 08:25:38 setuid sandbox: support is not implemented in syzkaller
2019/10/09 08:25:38 namespace sandbox: support is not implemented in syzkaller
2019/10/09 08:25:38 Android sandbox: support is not implemented in syzkaller
2019/10/09 08:25:38 fault injection: support is not implemented in syzkaller
2019/10/09 08:25:38 leak checking: support is not implemented in syzkaller
2019/10/09 08:25:38 net packet injection: enabled
2019/10/09 08:25:38 net device setup: support is not implemented in syzkaller
2019/10/09 08:25:38 concurrency sanitizer: support is not implemented in syzkaller
08:25:38 executing program 0:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f00000000c0)=""/127, 0x7f}], 0x1000000000000024, 0x0}, 0x0)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r2, 0x0, 0xea1ca13a, 0x0, 0x0, 0x800e00516)
shutdown(r1, 0x0)
recvfrom$inet(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0)
recvfrom$inet(r2, 0x0, 0xff1d, 0x2, 0x0, 0x800e0051e)
shutdown(r2, 0x0)

08:25:38 executing program 1:
poll(&(0x7f0000000340)=[{}, {}], 0x2000000000000295, 0x8000000000049)
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r0, 0x0, 0x317, 0x0, 0x0, 0x800e004de)
setsockopt$sock_timeval(r0, 0xffff, 0x100001006, &(0x7f00000000c0)={0x0, 0x10000}, 0x3e4)
connect$unix(0xffffffffffffffff, 0x0, 0x0)
recvfrom$inet(r0, 0x0, 0xfffffe80, 0x0, 0x0, 0x800e004e1)
shutdown(r0, 0x0)

08:25:38 executing program 2:
poll(&(0x7f0000000040)=[{}, {}], 0x2, 0x4e)
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r0, 0x0, 0xfffffd29, 0x0, 0x0, 0x800e00515)
getsockopt$inet_int(r0, 0x0, 0x8, 0x0, &(0x7f0000000100))
recvfrom$inet(r0, 0x0, 0xff06, 0x0, 0x0, 0x800e0051e)
shutdown(r0, 0x0)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570609538
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022ace5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022ace610
panic() at panic+0x43/frame 0xfffffe0022ace670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022ace6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022ace770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022ace840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022ace8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022ace980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022aceab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022aceab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 760 tid 100106 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why