[info] Using makefile-style concurrent boot in runlevel 2. [ 23.435307] audit: type=1800 audit(1544871420.231:21): pid=5795 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 23.454885] audit: type=1800 audit(1544871420.231:22): pid=5795 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 syzkaller login: [ 34.812985] sshd (5936) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. [ 41.222741] IPVS: ftp: loaded support on port[0] = 21 [ 41.362958] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.369748] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.376688] device bridge_slave_0 entered promiscuous mode [ 41.392564] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.399522] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.406331] device bridge_slave_1 entered promiscuous mode [ 41.421774] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 41.437922] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 41.481502] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.500213] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.566571] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.573949] team0: Port device team_slave_0 added [ 41.588979] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.596021] team0: Port device team_slave_1 added [ 41.611268] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.632009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.650468] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready RTNETLINK answers: Operation not supported [ 41.668102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 41.797994] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.804424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.811216] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.817537] 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 [ 42.276823] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 42.283113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.309127] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 42.337503] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 42.384783] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 42.391158] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 42.399900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.441500] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 42.697314] kasan: CONFIG_KASAN_INLINE enabled [ 42.702001] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 42.709425] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 42.715641] CPU: 0 PID: 5953 Comm: syz-executor013 Not tainted 4.20.0-rc6+ #345 [ 42.723077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.732433] RIP: 0010:inet_lhash2_lookup+0xc0/0x610 [ 42.737437] 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 6b 20 dd fa 48 8d 7b 40 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 39 05 00 00 4c 8d a5 58 ff ff ff 48 8b 5b 40 [ 42.756323] RSP: 0018:ffff8881dae07050 EFLAGS: 00010202 [ 42.761679] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000014 [ 42.768933] RDX: 0000000000000100 RSI: ffffffff86a26425 RDI: 0000000000000040 [ 42.776318] RBP: ffff8881dae07168 R08: 00000000201414ac R09: 00000000000028dc [ 42.783573] R10: 0000000000004e23 R11: ffffffff8bc662ec R12: dffffc0000000000 [ 42.790831] R13: 0000000000004e23 R14: ffffffff8bc662c0 R15: 00000000201414ac [ 42.798086] FS: 0000000002205880(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 42.806295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.812301] CR2: 0000000020000340 CR3: 00000001c12e2000 CR4: 00000000001406f0 [ 42.819563] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.826946] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.834194] Call Trace: [ 42.836755] [ 42.838891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 42.844408] ? __skb_checksum+0x599/0x920 [ 42.848550] ? inet_ehashfn+0x1c0/0x1c0 [ 42.852711] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 42.857804] ? __inet_lookup_established+0x466/0x660 [ 42.862892] ? skb_checksum+0xd9/0x140 [ 42.866761] __inet_lookup_listener+0x129/0x2d0 [ 42.871419] dccp_v4_rcv+0x11ad/0x1f58 [ 42.875300] ? dccp_v4_err+0x18c0/0x18c0 [ 42.879341] ? __lock_is_held+0xb5/0x140 [ 42.883605] ip_protocol_deliver_rcu+0xb5/0xa10 [ 42.888266] ? ip_call_ra_chain+0x730/0x730 [ 42.892578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 42.897840] ? rcu_softirq_qs+0x20/0x20 [ 42.901804] ip_local_deliver_finish+0x243/0x390 [ 42.906550] ip_local_deliver+0x1e9/0x750 [ 42.910686] ? ip_local_deliver_finish+0x390/0x390 [ 42.915672] ? ip_protocol_deliver_rcu+0xa10/0xa10 [ 42.920596] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 42.925504] ? kasan_check_read+0x11/0x20 [ 42.929631] ? rcu_softirq_qs+0x20/0x20 [ 42.933586] ip_rcv_finish+0x1f9/0x300 [ 42.937454] ip_rcv+0xed/0x600 [ 42.940631] ? ip_local_deliver+0x750/0x750 [ 42.944937] ? ip_rcv_finish_core.isra.16+0x1f40/0x1f40 [ 42.950495] ? lock_acquire+0x1ed/0x520 [ 42.954461] ? process_backlog+0x1dd/0x7a0 [ 42.958770] __netif_receive_skb_one_core+0x14d/0x200 [ 42.963945] ? __netif_receive_skb_core+0x37f0/0x37f0 [ 42.969112] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 42.974533] ? rcu_softirq_qs+0x20/0x20 [ 42.978491] ? trace_hardirqs_off_caller+0x310/0x310 [ 42.983585] __netif_receive_skb+0x2c/0x1e0 [ 42.987896] process_backlog+0x24e/0x7a0 [ 42.991943] net_rx_action+0x7fa/0x19b0 [ 42.995914] ? napi_complete_done+0x7c0/0x7c0 [ 43.000393] ? print_usage_bug+0xc0/0xc0 [ 43.004441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.009958] ? __lock_acquire+0x62f/0x4c20 [ 43.014182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.019933] ? mark_held_locks+0x130/0x130 [ 43.024155] ? trace_hardirqs_off+0xb8/0x310 [ 43.028560] ? mark_held_locks+0x130/0x130 [ 43.032785] ? trace_hardirqs_on+0x310/0x310 [ 43.037197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.042850] ? check_preemption_disabled+0x48/0x280 [ 43.047867] ? zap_class+0x640/0x640 [ 43.051566] ? print_usage_bug+0xc0/0xc0 [ 43.055607] ? check_preemption_disabled+0x48/0x280 [ 43.060605] ? print_usage_bug+0xc0/0xc0 [ 43.064642] ? __lock_is_held+0xb5/0x140 [ 43.068686] ? pvclock_read_flags+0x160/0x160 [ 43.073168] ? zap_class+0x640/0x640 [ 43.076877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.082456] ? check_preemption_disabled+0x48/0x280 [ 43.087462] ? __lock_is_held+0xb5/0x140 [ 43.091620] __do_softirq+0x308/0xb7e [ 43.095417] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 43.100514] ? ret_from_intr+0xb/0x1e [ 43.104295] ? trace_hardirqs_off_caller+0xbb/0x310 [ 43.109286] ? kvm_sched_clock_read+0x9/0x20 [ 43.113812] ? trace_hardirqs_on_caller+0x310/0x310 [ 43.119096] ? task_prio+0x50/0x50 [ 43.122621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.128317] ? check_preemption_disabled+0x48/0x280 [ 43.133315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.138140] ? ip_finish_output2+0xa89/0x1a30 [ 43.142611] do_softirq_own_stack+0x2a/0x40 [ 43.147027] [ 43.149245] do_softirq.part.14+0x126/0x160 [ 43.153553] __local_bh_enable_ip+0x21d/0x260 [ 43.158046] ip_finish_output2+0xabc/0x1a30 [ 43.162348] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 43.167626] ? ip_copy_metadata+0xdb0/0xdb0 [ 43.171933] ? zap_class+0x640/0x640 [ 43.175631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.181169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.186717] ? ipv4_mtu+0x39f/0x590 [ 43.190335] ? __lock_is_held+0xb5/0x140 [ 43.194376] ip_finish_output+0x7fd/0xfa0 [ 43.198613] ? ip_finish_output+0x7fd/0xfa0 [ 43.203064] ? ip_fragment.constprop.51+0x240/0x240 [ 43.208141] ? kasan_check_read+0x11/0x20 [ 43.212276] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 43.217530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.223051] ? rcu_softirq_qs+0x20/0x20 [ 43.227012] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 43.232014] ? nf_hook_slow+0x11e/0x1c0 [ 43.235980] ip_output+0x21d/0x8d0 [ 43.239509] ? ip_mc_output+0x15b0/0x15b0 [ 43.243666] ? ip_fragment.constprop.51+0x240/0x240 [ 43.248665] ? __lock_is_held+0xb5/0x140 [ 43.252705] ip_local_out+0xc5/0x1b0 [ 43.256437] __ip_queue_xmit+0x9af/0x1f40 [ 43.260715] ? ip_build_and_send_pkt+0xc90/0xc90 [ 43.265452] ? __skb_checksum+0x920/0x920 [ 43.269581] ? skb_send_sock_locked+0x9b0/0x9b0 [ 43.274227] ? reqsk_fastopen_remove+0x660/0x660 [ 43.278968] ? dccp_insert_option_padding+0xbc/0xe0 [ 43.284118] ip_queue_xmit+0x56/0x70 [ 43.287814] dccp_transmit_skb+0x98c/0x12e0 [ 43.292122] dccp_connect+0x39a/0x6e0 [ 43.295908] ? dccp_send_ack+0x360/0x360 [ 43.299953] ? dst_release+0x5d/0xb0 [ 43.303649] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 43.309164] ? sk_setup_caps+0x209/0x690 [ 43.313203] dccp_v4_connect+0xd57/0x1540 [ 43.317350] __inet_stream_connect+0x992/0x1150 [ 43.322022] ? inet_dgram_connect+0x2e0/0x2e0 [ 43.326530] ? trace_hardirqs_on+0xbd/0x310 [ 43.330845] ? lock_release+0xa00/0xa00 [ 43.334944] ? lock_sock_nested+0xe2/0x120 [ 43.339161] ? trace_hardirqs_off_caller+0x310/0x310 [ 43.344262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.350091] ? check_preemption_disabled+0x48/0x280 [ 43.355086] ? lock_sock_nested+0x9a/0x120 [ 43.359305] ? lock_sock_nested+0x9a/0x120 [ 43.363661] ? __local_bh_enable_ip+0x160/0x260 [ 43.368463] inet_stream_connect+0x58/0xa0 [ 43.372702] __sys_connect+0x37d/0x4c0 [ 43.376570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 43.382093] ? __ia32_sys_accept+0xb0/0xb0 [ 43.386329] ? kasan_check_write+0x14/0x20 [ 43.390544] ? up_read_non_owner+0x100/0x100 [ 43.394933] ? do_syscall_64+0x9a/0x820 [ 43.398892] ? do_syscall_64+0x9a/0x820 [ 43.402862] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 43.407423] ? trace_hardirqs_on+0xbd/0x310 [ 43.411742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.417083] ? trace_hardirqs_off_caller+0x310/0x310 [ 43.422165] __x64_sys_connect+0x73/0xb0 [ 43.426222] do_syscall_64+0x1b9/0x820 [ 43.430103] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 43.435445] ? syscall_return_slowpath+0x5e0/0x5e0 [ 43.440348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.445166] ? trace_hardirqs_on_caller+0x310/0x310 [ 43.450160] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 43.455155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 43.460668] ? prepare_exit_to_usermode+0x291/0x3b0 [ 43.465662] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.470487] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.475650] RIP: 0033:0x441039 [ 43.478826] 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 [ 43.497717] RSP: 002b:00007ffca8ca3c28 EFLAGS: 00000213 ORIG_RAX: 000000000000002a [ 43.505404] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441039 [ 43.512999] RDX: 0000000000000010 RSI: 0000000020000340 RDI: 0000000000000003 [ 43.520242] RBP: 00000000006cc018 R08: 0000000000000100 R09: 0000000000000100 [ 43.527484] R10: 0000000000000020 R11: 0000000000000213 R12: 0000000000401fa0 [ 43.534729] R13: 0000000000402030 R14: 0000000000000000 R15: 0000000000000000 [ 43.541979] Modules linked in: [ 43.545199] ---[ end trace 6e091328703142b7 ]--- [ 43.549971] RIP: 0010:inet_lhash2_lookup+0xc0/0x610 [ 43.554973] 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 6b 20 dd fa 48 8d 7b 40 48 89 f8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 39 05 00 00 4c 8d a5 58 ff ff ff 48 8b 5b 40 [ 43.573879] RSP: 0018:ffff8881dae07050 EFLAGS: 00010202 [ 43.579241] RAX: 0000000000000008 RBX: 0000000000000000 RCX: 0000000000000014 [ 43.586484] RDX: 0000000000000100 RSI: ffffffff86a26425 RDI: 0000000000000040 [ 43.593760] RBP: ffff8881dae07168 R08: 00000000201414ac R09: 00000000000028dc [ 43.601031] R10: 0000000000004e23 R11: ffffffff8bc662ec R12: dffffc0000000000 [ 43.608286] R13: 0000000000004e23 R14: ffffffff8bc662c0 R15: 00000000201414ac [ 43.615552] FS: 0000000002205880(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 43.623771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.629666] CR2: 0000000020000340 CR3: 00000001c12e2000 CR4: 00000000001406f0 [ 43.636942] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.644214] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.651484] Kernel panic - not syncing: Fatal exception in interrupt [ 43.658986] Kernel Offset: disabled [ 43.662604] Rebooting in 86400 seconds..