[info] Using makefile-style concurrent boot in runlevel 2. [ 26.969635] audit: type=1800 audit(1545301588.593:21): pid=5868 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 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 '10.128.0.174' (ECDSA) to the list of known hosts. syzkaller login: [ 46.433861] IPVS: ftp: loaded support on port[0] = 21 [ 46.597339] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.604269] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.611283] device bridge_slave_0 entered promiscuous mode [ 46.629908] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.636457] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.643530] device bridge_slave_1 entered promiscuous mode [ 46.660868] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.679386] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.727963] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.748890] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.825166] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.834084] team0: Port device team_slave_0 added [ 46.850041] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.857282] team0: Port device team_slave_1 added [ 46.874462] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.896769] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.915187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.935527] 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 [ 47.083541] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.090148] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.097172] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.103734] 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 [ 47.618417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.670616] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.720915] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.728052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.735713] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.783236] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 48.070016] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 48.077666] device bridge_slave_0 left promiscuous mode [ 48.083464] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.135514] device bridge_slave_1 left promiscuous mode [ 48.141003] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.184688] bond0: Releasing backup interface bond_slave_0 [ 48.244839] bond0: Releasing backup interface bond_slave_1 [ 48.307181] team0: Port device team_slave_0 removed [ 48.314057] team0: Port device team_slave_1 removed [ 48.324629] netlink: 'syz-executor417': attribute type 3 has an invalid length. [ 48.332221] netlink: 'syz-executor417': attribute type 3 has an invalid length. [ 48.339694] netlink: 'syz-executor417': attribute type 3 has an invalid length. [ 48.347528] netlink: 'syz-executor417': attribute type 3 has an invalid length. [ 48.355473] team0: Mode changed to "activebackup" [ 48.360315] kasan: CONFIG_KASAN_INLINE enabled [ 48.365088] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 48.373580] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 48.379833] CPU: 1 PID: 6024 Comm: syz-executor417 Not tainted 4.20.0-rc6+ #240 [ 48.387252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.396612] RIP: 0010:team_nl_cmd_options_set+0xa2d/0x1370 [ 48.402219] Code: 8b 74 24 38 75 13 e9 eb 05 00 00 e8 1d 5c e0 fc 49 39 dc 0f 84 dd 05 00 00 e8 0f 5c e0 fc 49 8d 7c 24 10 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 af 06 00 00 49 8b 44 24 10 4c 8d 60 f0 49 39 [ 48.421102] RSP: 0018:ffff8881c282f270 EFLAGS: 00010203 [ 48.426449] RAX: 000000060dac2cae RBX: ffff8881cb25af00 RCX: ffffffff849f27e7 [ 48.433696] RDX: 0000000000000000 RSI: ffffffff849f2861 RDI: 000000306d616574 [ 48.440948] RBP: ffff8881c282f4d0 R08: ffff8881c2950480 R09: ffffed103b5e5020 [ 48.448193] R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: 000000306d616564 [ 48.455440] R13: ffff8881cb25a910 R14: ffff8881c282f360 R15: dffffc0000000000 [ 48.462692] FS: 00000000019b2880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 48.470907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.476764] CR2: 0000000020000040 CR3: 00000001c2a97000 CR4: 00000000001406e0 [ 48.484014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.491279] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.498522] Call Trace: [ 48.501093] ? team_nl_cmd_options_get+0x480/0x480 [ 48.506006] ? nla_memcmp+0x90/0x90 [ 48.509617] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 48.515141] ? apparmor_cred_transfer+0x590/0x590 [ 48.519965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.525487] ? cap_capable+0x1f9/0x260 [ 48.529355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.534879] genl_family_rcv_msg+0x8a7/0x11a0 [ 48.539355] ? genl_unregister_family+0x8a0/0x8a0 [ 48.544177] ? lock_downgrade+0x900/0x900 [ 48.548306] ? check_preemption_disabled+0x48/0x280 [ 48.553301] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 48.558211] ? kasan_check_read+0x11/0x20 [ 48.562337] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 48.567600] ? rcu_softirq_qs+0x20/0x20 [ 48.571598] genl_rcv_msg+0xc6/0x168 [ 48.575306] netlink_rcv_skb+0x172/0x440 [ 48.579364] ? genl_family_rcv_msg+0x11a0/0x11a0 [ 48.584100] ? netlink_ack+0xb80/0xb80 [ 48.587967] ? down_read+0x8d/0x120 [ 48.591578] genl_rcv+0x28/0x40 [ 48.594839] netlink_unicast+0x5a5/0x760 [ 48.598885] ? netlink_attachskb+0x9a0/0x9a0 [ 48.603271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.608809] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 48.613806] netlink_sendmsg+0xa18/0xfc0 [ 48.617863] ? netlink_unicast+0x760/0x760 [ 48.622074] ? aa_sock_msg_perm.isra.14+0xba/0x160 [ 48.626980] ? apparmor_socket_sendmsg+0x29/0x30 [ 48.631794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.637328] ? security_socket_sendmsg+0x94/0xc0 [ 48.642062] ? netlink_unicast+0x760/0x760 [ 48.646275] sock_sendmsg+0xd5/0x120 [ 48.650096] ___sys_sendmsg+0x7fd/0x930 [ 48.654082] ? copy_msghdr_from_user+0x580/0x580 [ 48.658825] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 48.664013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.669533] ? __fget_light+0x2e9/0x430 [ 48.673487] ? fget_raw+0x20/0x20 [ 48.676937] ? task_work_run+0x1af/0x2a0 [ 48.680996] ? _raw_spin_unlock_irq+0x27/0x80 [ 48.685481] ? _raw_spin_unlock_irq+0x27/0x80 [ 48.689958] ? dlci_ioctl_set+0x40/0x40 [ 48.693917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.699437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.704956] ? sockfd_lookup_light+0xc5/0x160 [ 48.709440] __sys_sendmsg+0x11d/0x280 [ 48.713309] ? __ia32_sys_shutdown+0x80/0x80 [ 48.717718] ? do_syscall_64+0x6be/0x820 [ 48.721762] ? trace_hardirqs_on+0x310/0x310 [ 48.726152] ? do_syscall_64+0x9a/0x820 [ 48.730112] ? do_syscall_64+0x9a/0x820 [ 48.734081] ? trace_hardirqs_off_caller+0x310/0x310 [ 48.739165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.744685] ? ksys_ioctl+0x81/0xd0 [ 48.748294] __x64_sys_sendmsg+0x78/0xb0 [ 48.752337] do_syscall_64+0x1b9/0x820 [ 48.756203] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 48.761549] ? syscall_return_slowpath+0x5e0/0x5e0 [ 48.766464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.771292] ? trace_hardirqs_on_caller+0x310/0x310 [ 48.776291] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 48.781316] ? prepare_exit_to_usermode+0x291/0x3b0 [ 48.786317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.791139] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.796310] RIP: 0033:0x446ec9 [ 48.799488] 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 [ 48.818372] RSP: 002b:00007fffd6eb5638 EFLAGS: 00000213 ORIG_RAX: 000000000000002e [ 48.826062] RAX: ffffffffffffffda RBX: 0000000020000e94 RCX: 0000000000446ec9 [ 48.833314] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 [ 48.840579] RBP: 00000000004a8ac0 R08: 00000000004a8ae8 R09: 0000000000000100 [ 48.847865] R10: 0000000020000ff8 R11: 0000000000000213 R12: 00000000004a8b60 [ 48.855262] R13: 00000000004042e0 R14: 0000000000000000 R15: 0000000000000000 [ 48.862552] Modules linked in: [ 48.867009] ---[ end trace 64ebfe28cbceb2e8 ]--- [ 48.871787] RIP: 0010:team_nl_cmd_options_set+0xa2d/0x1370 [ 48.877466] Code: 8b 74 24 38 75 13 e9 eb 05 00 00 e8 1d 5c e0 fc 49 39 dc 0f 84 dd 05 00 00 e8 0f 5c e0 fc 49 8d 7c 24 10 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 af 06 00 00 49 8b 44 24 10 4c 8d 60 f0 49 39 [ 48.896708] RSP: 0018:ffff8881c282f270 EFLAGS: 00010203 [ 48.902133] RAX: 000000060dac2cae RBX: ffff8881cb25af00 RCX: ffffffff849f27e7 [ 48.909410] RDX: 0000000000000000 RSI: ffffffff849f2861 RDI: 000000306d616574 [ 48.916755] RBP: ffff8881c282f4d0 R08: ffff8881c2950480 R09: ffffed103b5e5020 [ 48.924076] R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: 000000306d616564 [ 48.931341] R13: ffff8881cb25a910 R14: ffff8881c282f360 R15: dffffc0000000000 [ 48.938649] FS: 00000000019b2880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 48.946896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.952796] CR2: 0000000020000040 CR3: 00000001c2a97000 CR4: 00000000001406e0 [ 48.960064] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.967739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.975068] Kernel panic - not syncing: Fatal exception [ 48.981388] Kernel Offset: disabled [ 48.985013] Rebooting in 86400 seconds..