Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts.
2019/10/09 08:12:01 fuzzer started
2019/10/09 08:12:01 dialing manager at 10.128.0.248:59866
2019/10/09 08:12:01 syscalls: 496
2019/10/09 08:12:01 code coverage: enabled
2019/10/09 08:12:01 comparison tracing: enabled
2019/10/09 08:12:01 extra coverage: support is not implemented in syzkaller
2019/10/09 08:12:01 setuid sandbox: support is not implemented in syzkaller
2019/10/09 08:12:01 namespace sandbox: support is not implemented in syzkaller
2019/10/09 08:12:01 Android sandbox: support is not implemented in syzkaller
2019/10/09 08:12:01 fault injection: support is not implemented in syzkaller
2019/10/09 08:12:01 leak checking: support is not implemented in syzkaller
2019/10/09 08:12:01 net packet injection: enabled
2019/10/09 08:12:01 net device setup: support is not implemented in syzkaller
2019/10/09 08:12:01 concurrency sanitizer: support is not implemented in syzkaller
08:12:01 executing program 0:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
sendmsg(0xffffffffffffffff, &(0x7f0000000500)={&(0x7f0000000000)=@in6={0x1c, 0x1c, 0x3, 0x0, @empty}, 0x1c, &(0x7f0000000480)=[{0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x5, &(0x7f0000002440)}, 0x0)
recvfrom$inet(r0, 0x0, 0xffb94301, 0x2, 0x0, 0x800e00815)
shutdown(r0, 0x0)

08:12:01 executing program 1:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r0, &(0x7f0000000000)=[{&(0x7f00000002c0)=""/4096, 0x1000}, {0x0}], 0x2)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r2, 0x0, 0x73a0b1b, 0x0, 0x0, 0x800e00549)
shutdown(r1, 0x0)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r3, &(0x7f00000016c0)=[{0x0}, {&(0x7f0000000040)=""/78, 0x4e}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x7)
r4 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r4, 0x0, 0xccf3, 0x0, 0x0, 0x800e0053d)
shutdown(r3, 0x0)
r5 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r5, &(0x7f0000001940)={0x0, 0x0, &(0x7f0000001840)=[{&(0x7f0000000240)=""/119, 0x77}, {0x0}], 0x2, 0x0}, 0x0)
shutdown(r4, 0x0)
shutdown(r2, 0x0)

08:12:01 executing program 2:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
read(r0, &(0x7f0000000000)=""/199, 0xc7)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r1, 0x0, 0xfd1d, 0x0, 0x0, 0x800e00505)
r2 = dup(r0)
shutdown(r2, 0x0)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r3, &(0x7f0000000200)=[{&(0x7f0000000140)=""/4, 0x4}, {0x0}, {0x0}, {0x0}], 0x4)
r4 = dup(r3)
r5 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r5, 0x0, 0xccf3, 0x0, 0x0, 0x800e0050e)
shutdown(r4, 0x0)
poll(0x0, 0x0, 0xff)
shutdown(r5, 0x0)
shutdown(r1, 0x0)

08:12:01 executing program 3:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000680)=[{&(0x7f0000000380)=""/236, 0xec}, {0x0}, {0x0}, {0x0}, {0x0}], 0x5, 0x0}, 0x2)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r2, 0x0, 0x73a0b1b, 0x0, 0x0, 0x800e00549)
shutdown(r1, 0x0)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
setsockopt$sock_timeval(r3, 0xffff, 0x1006, &(0x7f0000000100)={0x10001}, 0x10)
recvmsg(r3, &(0x7f0000000680)={0x0, 0x0, &(0x7f00000007c0)=[{&(0x7f00000002c0)=""/172, 0xac}], 0x1, 0x0}, 0x0)
r4 = dup(r3)
r5 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r5, 0x0, 0xccf3, 0x0, 0x0, 0x800e0053d)
shutdown(r4, 0x0)
r6 = socket$inet6_sctp(0x1c, 0x3, 0x84)
readv(r6, &(0x7f0000000280)=[{&(0x7f0000000ac0)=""/100, 0x8}, {&(0x7f0000000b40)=""/218}], 0x8)
shutdown(r5, 0x0)
shutdown(r2, 0x0)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/net/if.c:3827
cpuid = 0
time = 1570608721
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe002424a5b0
vpanic() at vpanic+0x1e0/frame 0xfffffe002424a610
panic() at panic+0x43/frame 0xfffffe002424a670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe002424a6e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe002424a770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe002424a840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe002424a8b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe002424a980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe002424aab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe002424aab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 763 tid 100080 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why