Warning: Permanently added '10.128.15.221' (ECDSA) to the list of known hosts.
2019/10/09 07:08:12 fuzzer started
2019/10/09 07:08:12 dialing manager at 10.128.0.248:59866
2019/10/09 07:08:12 syscalls: 496
2019/10/09 07:08:12 code coverage: enabled
2019/10/09 07:08:12 comparison tracing: enabled
2019/10/09 07:08:12 extra coverage: support is not implemented in syzkaller
2019/10/09 07:08:12 setuid sandbox: support is not implemented in syzkaller
2019/10/09 07:08:12 namespace sandbox: support is not implemented in syzkaller
2019/10/09 07:08:12 Android sandbox: support is not implemented in syzkaller
2019/10/09 07:08:12 fault injection: support is not implemented in syzkaller
2019/10/09 07:08:12 leak checking: support is not implemented in syzkaller
2019/10/09 07:08:12 net packet injection: enabled
2019/10/09 07:08:12 net device setup: support is not implemented in syzkaller
2019/10/09 07:08:12 concurrency sanitizer: support is not implemented in syzkaller
07:08:12 executing program 0:
r0 = socket$inet_udp(0x2, 0x2, 0x0)
poll(&(0x7f0000000180)=[{}, {r0}], 0x2, 0x808000000000049)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r1, 0x0, 0x5f6, 0x0, 0x0, 0x800e004e5)
r2 = socket$inet_udplite(0x2, 0x2, 0x88)
r3 = dup2(r1, r2)
setsockopt$inet_sctp_SCTP_AUTO_ASCONF(r3, 0x84, 0x18, 0x0, 0x0)
recvfrom$inet(r2, 0x0, 0x24f, 0x0, 0x0, 0x800e004de)
shutdown(r3, 0x0)

07:08:12 executing program 1:
poll(&(0x7f0000000080), 0x17, 0x4f)
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r0, 0x0, 0x156, 0x0, 0x0, 0x800e003be)
select(0x40, &(0x7f0000000000), 0x0, 0x0, 0x0)
shutdown(r0, 0x0)

07:08:12 executing program 2:
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
r1 = socket$inet_udplite(0x2, 0x2, 0x88)
readv(r0, &(0x7f0000000280)=[{&(0x7f0000000080)=""/143, 0x8f}, {0x0}, {0x0}], 0x3)
recvfrom$inet(r1, 0x0, 0xfd1d, 0x0, 0x0, 0x800e00515)
shutdown(r0, 0x0)
bind$inet6(0xffffffffffffffff, &(0x7f0000000340)={0x1c, 0x1c, 0x3, 0x0, @local={0xfe, 0x80, [], 0x0}}, 0x1c)
recvfrom$inet(r1, 0x0, 0xfffffe44, 0x0, 0x0, 0x800e00521)
shutdown(r1, 0x0)

07:08:12 executing program 3:
poll(&(0x7f0000000080)=[{0xffffffffffffffff, 0x90}, {}, {}, {}, {}, {}], 0x6, 0x4c)
r0 = socket$inet_udplite(0x2, 0x2, 0x88)
recvfrom$inet(r0, 0x0, 0xc523, 0x0, 0x0, 0x800e00526)
recvmsg(r0, &(0x7f0000003540)={0x0, 0x0, &(0x7f0000002480)=[{&(0x7f0000000100)=""/139, 0x8b}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}, {0x0}], 0x9, 0x0}, 0x42)
shutdown(r0, 0x0)

panic: Assertion in_epoch(net_epoch_preempt) failed at /syzkaller/managers/main/kernel/sys/net/if.c:3827
cpuid = 1
time = 1570604892
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0022a295b0
vpanic() at vpanic+0x1e0/frame 0xfffffe0022a29610
panic() at panic+0x43/frame 0xfffffe0022a29670
if_setlladdr() at if_setlladdr+0x34c/frame 0xfffffe0022a296e0
ifhwioctl() at ifhwioctl+0x9e0/frame 0xfffffe0022a29770
ifioctl() at ifioctl+0x4c2/frame 0xfffffe0022a29840
kern_ioctl() at kern_ioctl+0x465/frame 0xfffffe0022a298b0
sys_ioctl() at sys_ioctl+0x267/frame 0xfffffe0022a29980
amd64_syscall() at amd64_syscall+0x477/frame 0xfffffe0022a29ab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0022a29ab0
--- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x8004882ca, rsp = 0x7fffffffe428, rbp = 0x7fffffffe470 ---
KDB: enter: panic
[ thread pid 765 tid 100073 ]
Stopped at      kdb_enter+0x6a: movq    $0,kdb_why