[info] Using makefile-style concurrent boot in runlevel 2. [ 25.334793] audit: type=1800 audit(1544871175.380:21): pid=5826 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.363184] audit: type=1800 audit(1544871175.380:22): pid=5826 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.169' (ECDSA) to the list of known hosts. syzkaller login: [ 61.627538] IPVS: ftp: loaded support on port[0] = 21 [ 61.770265] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.777368] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.785403] device bridge_slave_0 entered promiscuous mode [ 61.802105] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.808849] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.816229] device bridge_slave_1 entered promiscuous mode [ 61.833281] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 61.850292] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 61.895492] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 61.915514] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.984683] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.991920] team0: Port device team_slave_0 added [ 62.006735] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 62.014124] team0: Port device team_slave_1 added [ 62.029841] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.052712] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.069606] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.086654] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 62.215975] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.222448] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.229131] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.235580] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 62.691935] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 62.698403] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.711138] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 62.754078] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 62.798218] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 62.804697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.812249] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.854410] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 63.095654] kasan: CONFIG_KASAN_INLINE enabled [ 63.100523] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 63.108165] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 63.114389] CPU: 1 PID: 5983 Comm: syz-executor521 Not tainted 4.20.0-rc6+ #345 [ 63.121810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.131249] RIP: 0010:inet6_lhash2_lookup+0xc4/0x640 [ 63.136333] Code: f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 d7 6c 84 fa 48 8d 7b 40 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 59 05 00 00 4c 8d a5 58 ff ff ff 48 8b 5b 40 [ 63.155302] RSP: 0018:ffff8881daf07010 EFLAGS: 00010202 [ 63.160639] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000014 [ 63.167981] RDX: 0000000000000100 RSI: ffffffff86fb17b9 RDI: 0000000000000040 [ 63.175230] RBP: ffff8881daf07128 R08: ffff8881d1c3f97c R09: 000000000000b39e [ 63.182477] R10: ffffed1038a1d4f8 R11: ffff8881c50ea7c3 R12: dffffc0000000000 [ 63.190178] R13: 0000000000004e20 R14: ffff8881d1c3f98c R15: ffffffff8bc662ec [ 63.197528] FS: 00000000022a0880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 63.205736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.211594] CR2: 0000000020419000 CR3: 00000001c2f5a000 CR4: 00000000001406e0 [ 63.218891] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.226158] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.233403] Call Trace: [ 63.235957] [ 63.238709] ? csum_partial_ext+0x25/0x30 [ 63.242839] ? __inet6_lookup_established+0xa10/0xa10 [ 63.248160] inet6_lookup_listener+0x17d/0x790 [ 63.252741] dccp_v6_rcv+0x12b5/0x1ce9 [ 63.257036] ? dccp_v6_err+0x1760/0x1760 [ 63.261225] ? __lock_is_held+0xb5/0x140 [ 63.265268] ip6_protocol_deliver_rcu+0x381/0x1950 [ 63.270192] ? ipv6_list_rcv+0x750/0x750 [ 63.274254] ? rcu_softirq_qs+0x20/0x20 [ 63.278205] ip6_input_finish+0x84/0x170 [ 63.282240] ip6_input+0xe9/0x600 [ 63.285673] ? ip6_input_finish+0x170/0x170 [ 63.289972] ? ip6_protocol_deliver_rcu+0x1950/0x1950 [ 63.295250] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 63.300166] ? kasan_check_read+0x11/0x20 [ 63.304307] ? rcu_softirq_qs+0x20/0x20 [ 63.308405] ip6_rcv_finish+0x17a/0x330 [ 63.312438] ipv6_rcv+0x115/0x640 [ 63.315978] ? ip6_rcv_core.isra.17+0x1e10/0x1e10 [ 63.320807] ? ip6_rcv_finish_core.isra.14+0x720/0x720 [ 63.326073] ? lock_acquire+0x1ed/0x520 [ 63.330024] ? process_backlog+0x1dd/0x7a0 [ 63.334292] __netif_receive_skb_one_core+0x14d/0x200 [ 63.339465] ? __netif_receive_skb_core+0x37f0/0x37f0 [ 63.344635] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 63.349888] ? rcu_softirq_qs+0x20/0x20 [ 63.353841] ? trace_hardirqs_off_caller+0x310/0x310 [ 63.358975] __netif_receive_skb+0x2c/0x1e0 [ 63.363381] process_backlog+0x24e/0x7a0 [ 63.367432] net_rx_action+0x7fa/0x19b0 [ 63.371396] ? napi_complete_done+0x7c0/0x7c0 [ 63.375875] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 63.381131] ? rcu_softirq_qs+0x20/0x20 [ 63.385253] ? rebalance_domains+0x375/0xdc0 [ 63.389803] ? load_balance+0x39a0/0x39a0 [ 63.393931] ? print_usage_bug+0xc0/0xc0 [ 63.398263] ? find_held_lock+0x36/0x1c0 [ 63.402311] ? pvclock_read_flags+0x160/0x160 [ 63.406784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.412301] ? check_preemption_disabled+0x48/0x280 [ 63.417302] ? print_usage_bug+0xc0/0xc0 [ 63.421529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.427248] ? check_preemption_disabled+0x48/0x280 [ 63.432248] ? __local_bh_enable+0xf6/0x140 [ 63.436647] ? zap_class+0x640/0x640 [ 63.440354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.445870] ? check_preemption_disabled+0x48/0x280 [ 63.450867] ? __lock_is_held+0xb5/0x140 [ 63.454930] __do_softirq+0x308/0xb7e [ 63.458731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.464263] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 63.469362] ? smp_reschedule_interrupt+0x109/0x650 [ 63.474360] ? smp_thermal_interrupt+0x850/0x850 [ 63.479108] ? ret_from_intr+0xb/0x1e [ 63.482902] ? trace_hardirqs_off_caller+0xbb/0x310 [ 63.487898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.492720] ? trace_hardirqs_on_caller+0x310/0x310 [ 63.497843] ? task_prio+0x50/0x50 [ 63.501389] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.506915] ? check_preemption_disabled+0x48/0x280 [ 63.511909] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.516746] ? ip6_finish_output2+0xcbc/0x2940 [ 63.521307] do_softirq_own_stack+0x2a/0x40 [ 63.525701] [ 63.527915] do_softirq.part.14+0x126/0x160 [ 63.532228] __local_bh_enable_ip+0x21d/0x260 [ 63.536724] ip6_finish_output2+0xcef/0x2940 [ 63.541127] ? ip6_forward_finish+0x560/0x560 [ 63.545600] ? ip6_mtu+0x39c/0x520 [ 63.549119] ? lock_downgrade+0x900/0x900 [ 63.553274] ? check_preemption_disabled+0x48/0x280 [ 63.558274] ? zap_class+0x640/0x640 [ 63.561965] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 63.567337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.572961] ? __lock_is_held+0xb5/0x140 [ 63.577034] ip6_finish_output+0x58c/0xc60 [ 63.581256] ? ip6_finish_output+0x58c/0xc60 [ 63.585774] ip6_output+0x232/0x9d0 [ 63.589387] ? ip6_finish_output+0xc60/0xc60 [ 63.593773] ? ip6_fragment+0x38b0/0x38b0 [ 63.597897] ? __lock_is_held+0xb5/0x140 [ 63.601968] ip6_xmit+0xf1c/0x24d0 [ 63.605484] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 63.610738] ? ip6_finish_output2+0x2940/0x2940 [ 63.615387] ? inet6_csk_route_socket+0x70d/0x1030 [ 63.620299] ? trace_hardirqs_off_caller+0x310/0x310 [ 63.625398] ? ip6_append_data+0x2d0/0x2d0 [ 63.629716] ? lock_acquire+0x1ed/0x520 [ 63.633676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.639258] ? check_preemption_disabled+0x48/0x280 [ 63.644260] inet6_csk_xmit+0x378/0x630 [ 63.648216] ? inet6_csk_update_pmtu+0x190/0x190 [ 63.652949] ? __skb_checksum+0x920/0x920 [ 63.657197] ? memset+0x31/0x40 [ 63.660456] ? skb_send_sock_locked+0x9b0/0x9b0 [ 63.665225] ? reqsk_fastopen_remove+0x660/0x660 [ 63.669956] ? dccp_v6_send_check+0x2a8/0x3f0 [ 63.674434] dccp_transmit_skb+0x98c/0x12e0 [ 63.678798] dccp_connect+0x39a/0x6e0 [ 63.682580] ? dccp_send_ack+0x360/0x360 [ 63.686621] dccp_v6_connect+0x1959/0x1f20 [ 63.690833] ? mark_held_locks+0x130/0x130 [ 63.695174] ? dccp_v6_init_sock+0xa0/0xa0 [ 63.699381] ? __local_bh_enable_ip+0x160/0x260 [ 63.704024] ? mark_held_locks+0x130/0x130 [ 63.708355] ? zap_class+0x640/0x640 [ 63.712066] ? print_usage_bug+0xc0/0xc0 [ 63.716303] ? find_held_lock+0x36/0x1c0 [ 63.720344] __inet_stream_connect+0x992/0x1150 [ 63.724987] ? dccp_v6_init_sock+0xa0/0xa0 [ 63.729253] ? __inet_stream_connect+0x992/0x1150 [ 63.734156] ? inet_dgram_connect+0x2e0/0x2e0 [ 63.738705] ? trace_hardirqs_on+0xbd/0x310 [ 63.743034] ? lock_release+0xa00/0xa00 [ 63.747136] ? lock_sock_nested+0xe2/0x120 [ 63.751422] ? trace_hardirqs_off_caller+0x310/0x310 [ 63.756508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.762025] ? check_preemption_disabled+0x48/0x280 [ 63.767020] ? lock_sock_nested+0x9a/0x120 [ 63.771233] ? lock_sock_nested+0x9a/0x120 [ 63.775442] ? __local_bh_enable_ip+0x160/0x260 [ 63.780090] inet_stream_connect+0x58/0xa0 [ 63.784398] __sys_connect+0x37d/0x4c0 [ 63.788274] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 63.793785] ? __ia32_sys_accept+0xb0/0xb0 [ 63.798014] ? kasan_check_write+0x14/0x20 [ 63.802228] ? up_read_non_owner+0x100/0x100 [ 63.806644] ? do_syscall_64+0x9a/0x820 [ 63.810710] ? do_syscall_64+0x9a/0x820 [ 63.814672] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 63.819286] ? trace_hardirqs_on+0xbd/0x310 [ 63.823589] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.828931] ? trace_hardirqs_off_caller+0x310/0x310 [ 63.834012] __x64_sys_connect+0x73/0xb0 [ 63.838056] do_syscall_64+0x1b9/0x820 [ 63.841936] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 63.847275] ? syscall_return_slowpath+0x5e0/0x5e0 [ 63.852199] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.857020] ? trace_hardirqs_on_caller+0x310/0x310 [ 63.862011] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 63.867002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.872516] ? prepare_exit_to_usermode+0x291/0x3b0 [ 63.877688] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.882526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.887832] RIP: 0033:0x441179 [ 63.891103] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.910184] RSP: 002b:00007ffdb9682dc8 EFLAGS: 00000217 ORIG_RAX: 000000000000002a [ 63.917868] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441179 [ 63.925159] RDX: 000000000000001c RSI: 0000000020419000 RDI: 0000000000000003 [ 63.932407] RBP: 00000000006cc018 R08: 0000000000000100 R09: 0000000000000100 [ 63.939779] R10: 0000000000000100 R11: 0000000000000217 R12: 00000000004020e0 [ 63.947225] R13: 0000000000402170 R14: 0000000000000000 R15: 0000000000000000 [ 63.954476] Modules linked in: [ 63.957731] ---[ end trace c508e51ca3b34290 ]--- [ 63.962541] RIP: 0010:inet6_lhash2_lookup+0xc4/0x640 [ 63.967632] Code: f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 d7 6c 84 fa 48 8d 7b 40 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 59 05 00 00 4c 8d a5 58 ff ff ff 48 8b 5b 40 [ 63.986549] RSP: 0018:ffff8881daf07010 EFLAGS: 00010202 [ 63.991929] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000014 [ 63.999175] RDX: 0000000000000100 RSI: ffffffff86fb17b9 RDI: 0000000000000040 [ 64.006458] RBP: ffff8881daf07128 R08: ffff8881d1c3f97c R09: 000000000000b39e [ 64.013813] R10: ffffed1038a1d4f8 R11: ffff8881c50ea7c3 R12: dffffc0000000000 [ 64.021091] R13: 0000000000004e20 R14: ffff8881d1c3f98c R15: ffffffff8bc662ec [ 64.028353] FS: 00000000022a0880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 64.036607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.042508] CR2: 0000000020419000 CR3: 00000001c2f5a000 CR4: 00000000001406e0 [ 64.049831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.057176] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.064513] Kernel panic - not syncing: Fatal exception in interrupt [ 64.071922] Kernel Offset: disabled [ 64.075540] Rebooting in 86400 seconds..