[info] Using makefile-style concurrent boot in runlevel 2. [ 25.752132] audit: type=1800 audit(1544478436.404:21): pid=5838 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.781926] audit: type=1800 audit(1544478436.414:22): pid=5838 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: [ 31.942666] sshd (5977) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts. [ 38.530111] IPVS: ftp: loaded support on port[0] = 21 [ 38.678695] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.685513] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.692408] device bridge_slave_0 entered promiscuous mode [ 38.710182] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.716624] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.723437] device bridge_slave_1 entered promiscuous mode [ 38.740328] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 38.757243] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 38.803688] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.822437] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.894356] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.901563] team0: Port device team_slave_0 added [ 38.918232] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.925580] team0: Port device team_slave_1 added [ 38.941460] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 38.963284] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 38.983180] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.003201] 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 [ 39.135388] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.141815] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.148769] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.155136] 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 [ 39.645702] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.694873] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.746536] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 39.752670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.760980] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.808367] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 40.087337] Started in network mode [ 40.091080] Own node identity ac14141a, cluster identity 4711 [ 40.098065] kasan: CONFIG_KASAN_INLINE enabled [ 40.102727] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.110782] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 40.117021] CPU: 1 PID: 5994 Comm: syz-executor846 Not tainted 4.20.0-rc6+ #370 [ 40.124447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.133790] RIP: 0010:__ipv6_sock_mc_join+0x24a/0xc10 [ 40.138963] Code: 00 00 e8 a9 31 9b fa 48 8b 85 d0 fe ff ff 48 83 c0 60 48 89 c2 48 89 85 c0 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 32 09 00 00 48 8b 85 d0 fe ff ff 4c 8d ad 10 ff [ 40.157847] RSP: 0018:ffff8881c2996bc8 EFLAGS: 00010206 [ 40.163386] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff86e459ac [ 40.170631] RDX: 000000000000000c RSI: ffffffff86e452c7 RDI: 0000000000000001 [ 40.177877] RBP: ffff8881c2996d18 R08: ffff8881c1c762c0 R09: ffffed103b5e5b5f [ 40.185125] R10: ffffed103b5e5b5f R11: ffff8881daf2dafb R12: 000000000000000f [ 40.192389] R13: ffff8881c2996fb4 R14: ffff8881c2996fb4 R15: ffff8881c1c64e80 [ 40.199643] FS: 0000000001e9d880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 40.207848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.213710] CR2: 0000000020000080 CR3: 00000001c21d9000 CR4: 00000000001406e0 [ 40.220957] Call Trace: [ 40.223536] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.229062] ? __ipv6_dev_mc_inc+0xc50/0xc50 [ 40.233453] ? cpus_read_unlock+0x8b/0xb0 [ 40.237597] ? static_key_enable+0x1f/0x30 [ 40.241813] ? udp_encap_enable+0x15/0x20 [ 40.245942] ? setup_udp_tunnel_sock+0x3ac/0x5e0 [ 40.250677] ? udp_tunnel_xmit_skb+0x320/0x320 [ 40.255241] ipv6_sock_mc_join+0x27/0x30 [ 40.259297] tipc_udp_enable+0x1476/0x1ed0 [ 40.263529] ? tipc_udp_recv+0xe20/0xe20 [ 40.267574] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 40.272657] ? tipc_udp_send_msg+0x670/0x670 [ 40.277055] ? save_stack+0xa9/0xd0 [ 40.280662] ? save_stack+0x43/0xd0 [ 40.284269] ? kasan_kmalloc+0xc7/0xe0 [ 40.288137] ? kmem_cache_alloc_trace+0x152/0x750 [ 40.292956] ? tipc_enable_bearer+0x90d/0xf10 [ 40.297430] ? __tipc_nl_bearer_enable+0x37c/0x4a0 [ 40.302337] ? tipc_nl_bearer_enable+0x22/0x30 [ 40.306919] ? genl_rcv_msg+0xc6/0x168 [ 40.310786] ? netlink_rcv_skb+0x172/0x440 [ 40.314999] ? genl_rcv+0x28/0x40 [ 40.318456] ? netlink_unicast+0x5a5/0x760 [ 40.322669] ? netlink_sendmsg+0xa18/0xfc0 [ 40.326898] ? sock_sendmsg+0xd5/0x120 [ 40.330763] ? ___sys_sendmsg+0x7fd/0x930 [ 40.334886] ? __x64_sys_sendmsg+0x78/0xb0 [ 40.339121] ? do_syscall_64+0x1b9/0x820 [ 40.343186] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.348527] ? mark_held_locks+0x130/0x130 [ 40.352745] ? zap_class+0x640/0x640 [ 40.356455] ? check_preemption_disabled+0x48/0x280 [ 40.361464] ? tipc_enable_bearer+0x90d/0xf10 [ 40.365941] ? rcu_read_lock_sched_held+0x14f/0x180 [ 40.370936] tipc_enable_bearer+0x9a6/0xf10 [ 40.375235] ? tipc_udp_recv+0xe20/0xe20 [ 40.379272] ? tipc_enable_bearer+0x9a6/0xf10 [ 40.383759] ? tipc_bearer_xmit_skb+0x350/0x350 [ 40.388406] ? nla_memcmp+0x90/0x90 [ 40.392012] ? lock_release+0xa00/0xa00 [ 40.395964] ? perf_trace_sched_process_exec+0x860/0x860 [ 40.401390] ? mark_held_locks+0x130/0x130 [ 40.405605] ? check_preemption_disabled+0x48/0x280 [ 40.410606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.416122] ? __nla_parse+0x12c/0x3e0 [ 40.419987] ? nla_parse+0x46/0x60 [ 40.423503] __tipc_nl_bearer_enable+0x37c/0x4a0 [ 40.428234] ? __tipc_nl_bearer_enable+0x37c/0x4a0 [ 40.433140] ? tipc_nl_bearer_disable+0x30/0x30 [ 40.437793] tipc_nl_bearer_enable+0x22/0x30 [ 40.442185] genl_family_rcv_msg+0x8a7/0x11a0 [ 40.446667] ? genl_unregister_family+0x8a0/0x8a0 [ 40.451489] ? lock_downgrade+0x900/0x900 [ 40.455619] ? check_preemption_disabled+0x48/0x280 [ 40.460628] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 40.465552] ? kasan_check_read+0x11/0x20 [ 40.469680] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 40.474949] ? rcu_softirq_qs+0x20/0x20 [ 40.478908] genl_rcv_msg+0xc6/0x168 [ 40.482604] netlink_rcv_skb+0x172/0x440 [ 40.486643] ? genl_family_rcv_msg+0x11a0/0x11a0 [ 40.491377] ? netlink_ack+0xb80/0xb80 [ 40.495259] ? down_read+0x8d/0x120 [ 40.498868] genl_rcv+0x28/0x40 [ 40.502125] netlink_unicast+0x5a5/0x760 [ 40.506167] ? netlink_attachskb+0x9a0/0x9a0 [ 40.510559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.516071] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 40.521064] netlink_sendmsg+0xa18/0xfc0 [ 40.525115] ? netlink_unicast+0x760/0x760 [ 40.529332] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 40.534236] ? apparmor_socket_sendmsg+0x29/0x30 [ 40.538985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.544506] ? security_socket_sendmsg+0x94/0xc0 [ 40.549262] ? netlink_unicast+0x760/0x760 [ 40.553478] sock_sendmsg+0xd5/0x120 [ 40.557185] ___sys_sendmsg+0x7fd/0x930 [ 40.561141] ? copy_msghdr_from_user+0x580/0x580 [ 40.565886] ? blkcg_maybe_throttle_current+0xa38/0x1080 [ 40.571318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.576833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 40.582348] ? __fget_light+0x2e9/0x430 [ 40.586307] ? fget_raw+0x20/0x20 [ 40.589740] ? task_work_run+0x1af/0x2a0 [ 40.593776] ? _raw_spin_unlock_irq+0x27/0x80 [ 40.598251] ? _raw_spin_unlock_irq+0x27/0x80 [ 40.602738] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 40.607301] ? trace_hardirqs_on+0xbd/0x310 [ 40.611603] ? kasan_check_read+0x11/0x20 [ 40.615729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 40.621257] ? sockfd_lookup_light+0xc5/0x160 [ 40.625744] __sys_sendmsg+0x11d/0x280 [ 40.629613] ? __ia32_sys_shutdown+0x80/0x80 [ 40.634011] ? do_syscall_64+0x6be/0x820 [ 40.638063] ? trace_hardirqs_on+0x310/0x310 [ 40.642445] ? do_syscall_64+0x9a/0x820 [ 40.646398] ? do_syscall_64+0x9a/0x820 [ 40.650352] ? trace_hardirqs_off_caller+0x310/0x310 [ 40.655432] __x64_sys_sendmsg+0x78/0xb0 [ 40.659469] do_syscall_64+0x1b9/0x820 [ 40.663334] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 40.668706] ? syscall_return_slowpath+0x5e0/0x5e0 [ 40.673617] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.678450] ? trace_hardirqs_on_caller+0x310/0x310 [ 40.683442] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 40.688434] ? prepare_exit_to_usermode+0x291/0x3b0 [ 40.693442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.698264] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.703441] RIP: 0033:0x445d49 [ 40.706615] 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 fb ce fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 40.725520] RSP: 002b:00007ffe3b1b3488 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 40.733213] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000445d49 [ 40.740458] RDX: 000000000000c000 RSI: 0000000020000c00 RDI: 0000000000000003 [ 40.747705] RBP: 00000000006d1018 R08: 0000000000000000 R09: 0000000000000100 [ 40.754953] R10: 0000000000000000 R11: 0000000000000213 R12: 00000000004030d0 [ 40.762199] R13: 0000000000403160 R14: 0000000000000000 R15: 0000000000000000 [ 40.769446] Modules linked in: [ 40.774448] ---[ end trace 6f7ce0ea823d4680 ]--- [ 40.779227] RIP: 0010:__ipv6_sock_mc_join+0x24a/0xc10 [ 40.784454] Code: 00 00 e8 a9 31 9b fa 48 8b 85 d0 fe ff ff 48 83 c0 60 48 89 c2 48 89 85 c0 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 32 09 00 00 48 8b 85 d0 fe ff ff 4c 8d ad 10 ff [ 40.803375] RSP: 0018:ffff8881c2996bc8 EFLAGS: 00010206 [ 40.808756] RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffffff86e459ac [ 40.816039] RDX: 000000000000000c RSI: ffffffff86e452c7 RDI: 0000000000000001 [ 40.823288] RBP: ffff8881c2996d18 R08: ffff8881c1c762c0 R09: ffffed103b5e5b5f [ 40.830576] R10: ffffed103b5e5b5f R11: ffff8881daf2dafb R12: 000000000000000f [ 40.837859] R13: ffff8881c2996fb4 R14: ffff8881c2996fb4 R15: ffff8881c1c64e80 [ 40.845178] FS: 0000000001e9d880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 40.853410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.859313] CR2: 0000000020000080 CR3: 00000001c21d9000 CR4: 00000000001406e0 [ 40.866619] Kernel panic - not syncing: Fatal exception [ 40.872945] Kernel Offset: disabled [ 40.876571] Rebooting in 86400 seconds..