Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts.
2019/10/09 07:40:27 fuzzer started
2019/10/09 07:40:27 dialing manager at 10.128.0.248:59866
2019/10/09 07:40:27 syscalls: 496
2019/10/09 07:40:27 code coverage: enabled
2019/10/09 07:40:27 comparison tracing: enabled
2019/10/09 07:40:27 extra coverage: support is not implemented in syzkaller
2019/10/09 07:40:27 setuid sandbox: support is not implemented in syzkaller
2019/10/09 07:40:27 namespace sandbox: support is not implemented in syzkaller
2019/10/09 07:40:27 Android sandbox: support is not implemented in syzkaller
2019/10/09 07:40:27 fault injection: support is not implemented in syzkaller
2019/10/09 07:40:27 leak checking: support is not implemented in syzkaller
2019/10/09 07:40:27 net packet injection: enabled
2019/10/09 07:40:27 net device setup: support is not implemented in syzkaller
2019/10/09 07:40:27 concurrency sanitizer: support is not implemented in syzkaller
07:40:27 executing program 0:
poll(&(0x7f0000000080)=[{}, {}, {}, {}], 0x4, 0x46)
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r0, 0x0, 0xfd1d, 0x0, 0x0, 0x800e00505)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
dup2(r1, r2)
futimesat(0xffffffffffffffff, 0x0, &(0x7f0000000040)={{0x0, 0x100000000}})
recvfrom$inet(r2, 0x0, 0xccf3, 0x0, 0x0, 0x800e0050e)
shutdown(r2, 0x0)

07:40:27 executing program 1:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f0000000740)={0x0, 0x0, &(0x7f0000000680)=[{0x0}, {&(0x7f0000000140)=""/204, 0xcc}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x7, 0x0}, 0x0)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r2, 0x0, 0x93f1, 0x0, 0x0, 0x800e0054f)
shutdown(r1, 0x0)
poll(0x0, 0x0, 0x4e)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r3, 0x0, 0xfe92, 0x0, 0x0, 0x800e0085f)
ppoll(&(0x7f0000000040)=[{r3}, {r3}], 0x2, 0x0, 0x0, 0x0)
shutdown(r2, 0x0)

07:40:27 executing program 2:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r0, &(0x7f00000003c0)=[{&(0x7f0000000080)=""/249, 0xf9}, {0x0}, {0x0}, {0x0}, {0x0}], 0x5)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r1, 0x0, 0x2ec, 0x0, 0x0, 0x800e00549)
shutdown(r0, 0x0)
setsockopt$sock_timeval(0xffffffffffffffff, 0xffff, 0x0, 0x0, 0x0)
recvfrom$inet(r1, 0x0, 0x10000002c, 0x0, 0x0, 0x800e0054e)
shutdown(r1, 0x0)

07:40:27 executing program 3:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f00000005c0)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000180)=""/159, 0x9f}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x6, 0x0}, 0x802)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r2, 0x0, 0x2a80, 0x2, 0x0, 0x800e00506)
shutdown(r1, 0x0)
ftruncate(r0, 0x0)
recvfrom$inet(r2, 0x0, 0x1789836bed901fc7, 0x2, 0x0, 0x800e0050e)
shutdown(r2, 0x0)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570606827
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022af15b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022af1610
panic() at panic+0x43/frame 0xfffffe0022af1670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022af16e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022af1770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022af1840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022af18b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022af1980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022af1ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022af1ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 764 tid 100113 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why