Warning: Permanently added '10.128.0.161' (ECDSA) to the list of known hosts.
2019/10/09 07:33:58 fuzzer started
2019/10/09 07:33:58 dialing manager at 10.128.0.248:59866
2019/10/09 07:33:58 syscalls: 496
2019/10/09 07:33:58 code coverage: enabled
2019/10/09 07:33:58 comparison tracing: enabled
2019/10/09 07:33:58 extra coverage: support is not implemented in syzkaller
2019/10/09 07:33:58 setuid sandbox: support is not implemented in syzkaller
2019/10/09 07:33:58 namespace sandbox: support is not implemented in syzkaller
2019/10/09 07:33:58 Android sandbox: support is not implemented in syzkaller
2019/10/09 07:33:58 fault injection: support is not implemented in syzkaller
2019/10/09 07:33:58 leak checking: support is not implemented in syzkaller
2019/10/09 07:33:58 net packet injection: enabled
2019/10/09 07:33:58 net device setup: support is not implemented in syzkaller
2019/10/09 07:33:58 concurrency sanitizer: support is not implemented in syzkaller
07:33:58 executing program 0:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r0, &(0x7f0000000700)=[{&(0x7f0000000180)=""/179, 0xb3}, {0x0}, {0x0}], 0x3)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r1, 0x0, 0x73a0b1b, 0x0, 0x0, 0x800e00549)
shutdown(r0, 0x0)
r2 = dup(r1)
setsockopt$sock_timeval(r1, 0xffff, 0x1006, 0x0, 0x0)
recvfrom$inet(r1, 0x0, 0xd324, 0x0, 0x0, 0x800e0054d)
shutdown(r2, 0x0)

07:33:58 executing program 1:
poll(&(0x7f00000000c0)=[{}], 0x1, 0x8000000000049)
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r0, 0x0, 0x4e, 0x0, 0x0, 0x800e004e7)
r1 = dup(r0)
ioctl$DIOCXROLLBACK(r1, 0xc0104453, &(0x7f0000000200))
recvfrom$inet(r0, 0x0, 0x1000001ab, 0x0, 0x0, 0x800e004e1)
shutdown(r1, 0x0)

07:33:58 executing program 2:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r1, &(0x7f0000000680)={0x0, 0x0, &(0x7f00000005c0)=[{&(0x7f0000000000)=""/40, 0x28}], 0x1, 0x0}, 0x0)
recvfrom$inet(r2, 0x0, 0x73a0b1b, 0x0, 0x0, 0x800e00559)
shutdown(r0, 0x0)
setsockopt$sock_timeval(r2, 0xffff, 0x1006, &(0x7f00000000c0)={0x2}, 0x10)
r3 = dup(r2)
read(r2, &(0x7f0000000100)=""/166, 0x169)
shutdown(r3, 0x0)

07:33:58 executing program 3:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r0, &(0x7f0000000b40)={0x0, 0x0, &(0x7f0000000a80)=[{&(0x7f00000002c0)=""/170, 0xaa}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9, 0x0}, 0x0)
r1 = dup(r0)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r2, 0x0, 0x73a0b1b, 0x0, 0x0, 0x800e00549)
shutdown(r1, 0x0)
r3 = socket$inet_udplite(0x2, 0x2, 0x88)
recvmsg(r3, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)=[{&(0x7f0000000180)=""/243, 0xf3}], 0x1, 0x0}, 0x0)
r4 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r4, 0x0, 0xccf3, 0x0, 0x0, 0x800e00545)
shutdown(r3, 0x0)
r5 = socket$inet6_sctp(0x1c, 0x5, 0x84)
readv(r5, &(0x7f0000000680)=[{&(0x7f0000000040)=""/39, 0x27}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x7)
shutdown(r4, 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 = 1570606439
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 765 tid 100114 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why