[info] Using makefile-style concurrent boot in runlevel 2. [ 27.743433] audit: type=1800 audit(1543769437.431:21): pid=5952 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 27.772140] audit: type=1800 audit(1543769437.441:22): pid=5952 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 '10.128.0.49' (ECDSA) to the list of known hosts. syzkaller login: [ 47.787324] IPVS: ftp: loaded support on port[0] = 21 [ 47.950832] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.957994] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.966146] device bridge_slave_0 entered promiscuous mode [ 47.984775] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.991308] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.998653] device bridge_slave_1 entered promiscuous mode [ 48.016563] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.035354] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.086449] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 48.107395] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 48.189046] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 48.196411] team0: Port device team_slave_0 added [ 48.213601] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 48.220822] team0: Port device team_slave_1 added [ 48.238537] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.259418] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.279501] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.301125] 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 [ 48.447175] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.453606] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.460678] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.467086] 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 [ 48.988513] 8021q: adding VLAN 0 to HW filter on device bond0 [ 49.040770] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 49.093781] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 49.099951] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 49.107983] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 49.156556] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 49.712424] BUG: unable to handle kernel paging request at ffff888220000000 [ 49.719622] PGD be01067 P4D be01067 PUD be04067 PMD 0 [ 49.724901] Oops: 0000 [#1] PREEMPT SMP KASAN [ 49.729495] CPU: 0 PID: 6108 Comm: syz-executor736 Not tainted 4.20.0-rc4+ #359 [ 49.736933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.746371] RIP: 0010:do_csum+0x192/0x410 [ 49.750507] Code: 85 f6 74 54 4d 89 ef e8 4c af a6 f9 41 83 ee 01 31 ff 31 c0 44 89 f6 49 03 1f 49 13 5f 08 49 13 5f 10 49 13 5f 18 49 13 5f 20 <49> 13 5f 28 49 13 5f 30 49 13 5f 38 48 11 c3 e8 2a b0 a6 f9 49 83 [ 49.769395] RSP: 0018:ffff8881cd7e6568 EFLAGS: 00010202 [ 49.774754] RAX: 0000000000000000 RBX: 0ba7a04412d155e9 RCX: ffffffff87d8eca6 [ 49.782010] RDX: 0000000000000000 RSI: 00000000023ba006 RDI: 0000000000000000 [ 49.789266] RBP: ffff8881cd7e65a0 R08: ffff8881bc020100 R09: ffff8881aee90194 [ 49.796531] R10: 000000000000ffd4 R11: ffffea00074d10f7 R12: 00000000ffff0038 [ 49.803786] R13: ffff8881aee90198 R14: 00000000023ba006 R15: ffff88821fffffd8 [ 49.811162] FS: 000000000196c880(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 49.819382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.825245] CR2: ffff888220000000 CR3: 00000001bcdc2000 CR4: 00000000001406f0 [ 49.832515] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.839781] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.847064] Call Trace: [ 49.849644] csum_partial+0x21/0x30 [ 49.853259] tcp_gso_segment+0xa7d/0x17b0 [ 49.857393] ? sk_common_release+0x320/0x320 [ 49.861787] tcp6_gso_segment+0x1c8/0x580 [ 49.865921] ipv6_gso_segment+0x554/0x1130 [ 49.870141] ? audit_tree_freeing_mark+0xee2/0xfd0 [ 49.875144] ? sit_ip6ip6_gro_receive+0x100/0x100 [ 49.880048] ? __lock_is_held+0xb5/0x140 [ 49.884105] ? sit_ip6ip6_gro_receive+0x100/0x100 [ 49.888933] inet_gso_segment+0x639/0x1350 [ 49.893153] ? inet_sock_destruct+0x9b0/0x9b0 [ 49.897784] ipv6_gso_segment+0x554/0x1130 [ 49.902005] ? skb_mac_gso_segment+0x229/0x740 [ 49.906573] ? sit_ip6ip6_gro_receive+0x100/0x100 [ 49.911396] ? kasan_check_read+0x11/0x20 [ 49.915525] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 49.920787] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 49.926035] ? rcu_softirq_qs+0x20/0x20 [ 49.930010] ? skb_network_protocol+0xfc/0x4c0 [ 49.934574] skb_mac_gso_segment+0x3b3/0x740 [ 49.938982] ? sit_ip6ip6_gro_receive+0x100/0x100 [ 49.943818] ? skb_network_protocol+0x4c0/0x4c0 [ 49.948472] ? print_usage_bug+0xc0/0xc0 [ 49.952549] ? __lock_acquire+0x2aff/0x4c20 [ 49.956868] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 49.962760] ? skb_network_protocol+0xfc/0x4c0 [ 49.967441] __skb_gso_segment+0x3c3/0x880 [ 49.971723] ? skb_mac_gso_segment+0x740/0x740 [ 49.976309] validate_xmit_skb+0x640/0xf30 [ 49.980566] ? netif_skb_features+0xb70/0xb70 [ 49.985048] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.990573] ? check_preemption_disabled+0x48/0x280 [ 49.995580] validate_xmit_skb_list+0xd1/0x140 [ 50.000150] sch_direct_xmit+0x30e/0x1130 [ 50.004286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.009810] ? check_preemption_disabled+0x48/0x280 [ 50.014815] ? dev_watchdog+0xb10/0xb10 [ 50.018779] ? __lock_is_held+0xb5/0x140 [ 50.022827] __qdisc_run+0x636/0x1990 [ 50.026719] ? sch_direct_xmit+0x1130/0x1130 [ 50.031210] ? lock_acquire+0x1ed/0x520 [ 50.035173] ? dev_queue_xmit+0x17/0x20 [ 50.039139] ? lock_release+0xa00/0xa00 [ 50.043100] ? mini_qdisc_pair_init+0x160/0x160 [ 50.047763] __dev_queue_xmit+0x1915/0x3ad0 [ 50.052067] ? dev_queue_xmit+0x17/0x20 [ 50.056033] ? netdev_pick_tx+0x310/0x310 [ 50.060169] ? __alloc_skb+0x4c6/0x770 [ 50.064042] ? mark_held_locks+0x130/0x130 [ 50.068264] ? kasan_check_read+0x11/0x20 [ 50.072409] ? zap_class+0x640/0x640 [ 50.076116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.081649] ? refcount_add_not_zero_checked+0x21e/0x330 [ 50.087087] ? find_held_lock+0x36/0x1c0 [ 50.091136] ? perf_trace_sched_process_exec+0x860/0x860 [ 50.096575] ? kasan_check_write+0x14/0x20 [ 50.100854] ? copyin+0xb7/0x100 [ 50.104208] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 50.109249] ? copy_page_from_iter+0x541/0x8f0 [ 50.113826] ? _copy_from_iter+0xf70/0xf70 [ 50.118050] ? _copy_from_iter_full+0x2d8/0xce0 [ 50.122705] ? kasan_check_read+0x11/0x20 [ 50.126860] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 50.132238] ? depot_save_stack+0x292/0x470 [ 50.136547] ? skb_copy_datagram_from_iter+0x451/0x660 [ 50.141812] dev_queue_xmit+0x17/0x20 [ 50.145595] ? dev_queue_xmit+0x17/0x20 [ 50.149559] packet_sendmsg+0x430a/0x6570 [ 50.153716] ? find_held_lock+0x36/0x1c0 [ 50.157775] ? packet_getname+0x5f0/0x5f0 [ 50.161916] ? perf_trace_sched_process_exec+0x860/0x860 [ 50.167356] ? usercopy_warn+0x110/0x110 [ 50.171408] ? tg_cfs_schedulable_down+0x10/0x330 [ 50.176234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.181948] ? _copy_from_user+0xdf/0x150 [ 50.186086] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.191608] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 50.196525] ? aa_sk_perm+0x22b/0x8e0 [ 50.200310] ? import_iovec+0x2a3/0x4b0 [ 50.204267] ? aa_af_perm+0x5a0/0x5a0 [ 50.208055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.213608] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 50.218525] ? apparmor_socket_sendmsg+0x29/0x30 [ 50.223266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.228789] ? security_socket_sendmsg+0x94/0xc0 [ 50.233528] ? packet_getname+0x5f0/0x5f0 [ 50.237663] sock_sendmsg+0xd5/0x120 [ 50.241448] ___sys_sendmsg+0x7fd/0x930 [ 50.245405] ? find_held_lock+0x36/0x1c0 [ 50.249508] ? copy_msghdr_from_user+0x580/0x580 [ 50.254252] ? zap_class+0x640/0x640 [ 50.257954] ? perf_trace_sched_process_exec+0x860/0x860 [ 50.263390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.268911] ? __fget_light+0x2e9/0x430 [ 50.272872] ? fget_raw+0x20/0x20 [ 50.276321] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.281863] ? aa_af_perm+0x5a0/0x5a0 [ 50.285660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.291187] ? sockfd_lookup_light+0xc5/0x160 [ 50.295678] __sys_sendmsg+0x11d/0x280 [ 50.299561] ? __ia32_sys_shutdown+0x80/0x80 [ 50.303956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.309478] ? __sys_setsockopt+0x254/0x3c0 [ 50.313784] ? do_syscall_64+0x9a/0x820 [ 50.317742] ? do_syscall_64+0x9a/0x820 [ 50.321710] ? trace_hardirqs_off_caller+0x310/0x310 [ 50.326801] __x64_sys_sendmsg+0x78/0xb0 [ 50.330853] do_syscall_64+0x1b9/0x820 [ 50.334726] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 50.340095] ? syscall_return_slowpath+0x5e0/0x5e0 [ 50.345027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.349869] ? trace_hardirqs_on_caller+0x310/0x310 [ 50.354875] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 50.359882] ? prepare_exit_to_usermode+0x291/0x3b0 [ 50.364902] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.369761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.374938] RIP: 0033:0x441449 [ 50.378114] 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 [ 50.397003] RSP: 002b:00007ffd51367778 EFLAGS: 00000286 ORIG_RAX: 000000000000002e [ 50.404699] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441449 [ 50.411971] RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000003 [ 50.419231] RBP: 00000000006cc018 R08: 0000000000000100 R09: 0000000000000100 [ 50.426490] R10: 0000000000000100 R11: 0000000000000286 R12: 00000000004023b0 [ 50.433753] R13: 0000000000402440 R14: 0000000000000000 R15: 0000000000000000 [ 50.441011] Modules linked in: [ 50.444191] CR2: ffff888220000000 [ 50.447630] ---[ end trace be4ca28605fd0428 ]--- [ 50.452370] RIP: 0010:do_csum+0x192/0x410 [ 50.456502] Code: 85 f6 74 54 4d 89 ef e8 4c af a6 f9 41 83 ee 01 31 ff 31 c0 44 89 f6 49 03 1f 49 13 5f 08 49 13 5f 10 49 13 5f 18 49 13 5f 20 <49> 13 5f 28 49 13 5f 30 49 13 5f 38 48 11 c3 e8 2a b0 a6 f9 49 83 [ 50.475392] RSP: 0018:ffff8881cd7e6568 EFLAGS: 00010202 [ 50.480741] RAX: 0000000000000000 RBX: 0ba7a04412d155e9 RCX: ffffffff87d8eca6 [ 50.488005] RDX: 0000000000000000 RSI: 00000000023ba006 RDI: 0000000000000000 [ 50.495255] RBP: ffff8881cd7e65a0 R08: ffff8881bc020100 R09: ffff8881aee90194 [ 50.502506] R10: 000000000000ffd4 R11: ffffea00074d10f7 R12: 00000000ffff0038 [ 50.509768] R13: ffff8881aee90198 R14: 00000000023ba006 R15: ffff88821fffffd8 [ 50.517022] FS: 000000000196c880(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 50.525240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.531115] CR2: ffff888220000000 CR3: 00000001bcdc2000 CR4: 00000000001406f0 [ 50.538371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.545627] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.552889] Kernel panic - not syncing: Fatal exception in interrupt [ 50.560273] Kernel Offset: disabled [ 50.563896] Rebooting in 86400 seconds..