[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 39.772183][ T26] audit: type=1800 audit(1547402986.717:25): pid=7859 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.801697][ T26] audit: type=1800 audit(1547402986.717:26): pid=7859 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.823391][ T26] audit: type=1800 audit(1547402986.717:27): pid=7859 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.0.175' (ECDSA) to the list of known hosts. 2019/01/13 18:09:56 parsed 1 programs 2019/01/13 18:09:58 executed programs: 0 syzkaller login: [ 51.307473][ T8023] IPVS: ftp: loaded support on port[0] = 21 [ 51.372198][ T8023] chnl_net:caif_netlink_parms(): no params data found [ 51.407868][ T8023] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.415451][ T8023] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.423288][ T8023] device bridge_slave_0 entered promiscuous mode [ 51.431102][ T8023] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.438269][ T8023] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.445939][ T8023] device bridge_slave_1 entered promiscuous mode [ 51.463203][ T8023] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.472641][ T8023] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.490216][ T8023] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.498551][ T8023] team0: Port device team_slave_0 added [ 51.504633][ T8023] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.512438][ T8023] team0: Port device team_slave_1 added [ 51.518523][ T8023] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.526790][ T8023] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.585601][ T8023] device hsr_slave_0 entered promiscuous mode [ 51.623532][ T8023] device hsr_slave_1 entered promiscuous mode [ 51.663683][ T8023] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.671226][ T8023] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.685662][ T8023] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.692788][ T8023] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.700532][ T8023] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.707582][ T8023] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.739969][ T8023] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 51.746976][ T8023] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.756655][ T8023] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 51.766062][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.786475][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.794614][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.802459][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 51.814827][ T8023] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 51.821575][ T8023] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.831159][ T2980] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.839800][ T2980] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.846878][ T2980] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.857382][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.866199][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.873309][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.896485][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.905198][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.914480][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.922589][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.930961][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.939886][ T8023] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 51.946629][ T8023] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.961301][ T8023] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.971736][ T8023] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.661721][ T8408] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 54.671234][ T8408] Bluetooth: Can't register HCI device [ 55.046415][ T8464] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 55.056393][ T8464] Bluetooth: Can't register HCI device 2019/01/13 18:10:03 executed programs: 164 [ 56.767735][ T8716] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 56.776164][ T8716] Bluetooth: Can't register HCI device [ 57.360075][ T8800] kasan: CONFIG_KASAN_INLINE enabled [ 57.366426][ T8800] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 57.375595][ T8800] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 57.382526][ T8800] CPU: 0 PID: 8800 Comm: syz-executor0 Not tainted 5.0.0-rc1-next-20190111 #10 [ 57.391426][ T8800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.401465][ T8800] RIP: 0010:kernfs_add_one+0x343/0x4d0 [ 57.406918][ T8800] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 52 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 70 48 8d 7b 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 1f 01 00 00 8b 5b 08 31 ff 83 [ 57.426635][ T8800] RSP: 0018:ffff88808ae87670 EFLAGS: 00010202 [ 57.432688][ T8800] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f526e5 [ 57.440654][ T8800] RDX: 0000000000000001 RSI: ffffffff81fcc88b RDI: 0000000000000008 [ 57.448602][ T8800] RBP: ffff88808ae876b0 R08: 1ffffffff135177c R09: fffffbfff135177d [ 57.456554][ T8800] R10: fffffbfff135177c R11: ffffffff89a8bbe7 R12: ffff88809eed21c0 [ 57.464497][ T8800] R13: ffff88809eed21c0 R14: 0000000000000000 R15: 0000000000000000 [ 57.472442][ T8800] FS: 00007fb69eba9700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 57.481342][ T8800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.487898][ T8800] CR2: 00007ffc2bb9be58 CR3: 00000000a800b000 CR4: 00000000001406f0 [ 57.495847][ T8800] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.503797][ T8800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.511737][ T8800] Call Trace: [ 57.515021][ T8800] kernfs_create_dir_ns+0xff/0x160 [ 57.520124][ T8800] sysfs_create_dir_ns+0x192/0x340 [ 57.525211][ T8800] ? sysfs_create_mount_point+0xa0/0xa0 [ 57.530735][ T8800] ? do_raw_spin_trylock+0x270/0x270 [ 57.536011][ T8800] ? class_dir_child_ns_type+0xd/0x60 [ 57.541362][ T8800] kobject_add_internal.cold+0x129/0x6d8 [ 57.546972][ T8800] ? kobj_ns_type_registered+0x60/0x60 [ 57.552407][ T8800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 57.558638][ T8800] ? wait_for_completion+0x810/0x810 [ 57.563902][ T8800] kobject_add+0x150/0x1c0 [ 57.568293][ T8800] ? kset_create_and_add+0x1a0/0x1a0 [ 57.573555][ T8800] ? mutex_unlock+0xd/0x10 [ 57.577947][ T8800] ? device_add+0x313/0x1800 [ 57.582559][ T8800] device_add+0x3d9/0x1800 [ 57.586972][ T8800] ? get_device_parent.isra.0+0x570/0x570 [ 57.592670][ T8800] ? simple_release_fs+0xa1/0xd0 [ 57.597586][ T8800] ? start_creating+0x163/0x1e0 [ 57.602410][ T8800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.608628][ T8800] hci_register_dev+0x3b9/0x9d0 [ 57.613453][ T8800] ? kfree_skb+0x1a6/0x580 [ 57.617848][ T8800] ? hci_conn_params_free+0x840/0x840 [ 57.623225][ T8800] __vhci_create_device+0x2d0/0x5a0 [ 57.628424][ T8800] vhci_write+0x2d0/0x470 [ 57.632759][ T8800] __vfs_write+0x764/0xb40 [ 57.637154][ T8800] ? kernel_read+0x120/0x120 [ 57.641724][ T8800] ? trace_hardirqs_off_caller+0x300/0x300 [ 57.647519][ T8800] ? apparmor_file_permission+0x25/0x30 [ 57.653041][ T8800] ? rw_verify_area+0x118/0x360 [ 57.657870][ T8800] vfs_write+0x20c/0x580 [ 57.662091][ T8800] ksys_write+0x105/0x260 [ 57.666405][ T8800] ? __ia32_sys_read+0xb0/0xb0 [ 57.671148][ T8800] ? trace_hardirqs_off_caller+0x300/0x300 [ 57.676930][ T8800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 57.683148][ T8800] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.688622][ T8800] __x64_sys_write+0x73/0xb0 [ 57.693193][ T8800] do_syscall_64+0x1a3/0x800 [ 57.697776][ T8800] ? syscall_return_slowpath+0x5f0/0x5f0 [ 57.703384][ T8800] ? prepare_exit_to_usermode+0x232/0x3b0 [ 57.709096][ T8800] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.714635][ T8800] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.720535][ T8800] RIP: 0033:0x457ec9 [ 57.724421][ T8800] Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.743999][ T8800] RSP: 002b:00007fb69eba8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.752381][ T8800] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 [ 57.760329][ T8800] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000004 [ 57.768290][ T8800] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.776236][ T8800] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb69eba96d4 [ 57.784184][ T8800] R13: 00000000004c6d83 R14: 00000000004dc238 R15: 00000000ffffffff [ 57.792134][ T8800] Modules linked in: [ 57.798229][ T8800] ---[ end trace 395328ecf9c82067 ]--- [ 57.804094][ T8800] RIP: 0010:kernfs_add_one+0x343/0x4d0 [ 57.809547][ T8800] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 52 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 5b 70 48 8d 7b 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 1f 01 00 00 8b 5b 08 31 ff 83 [ 57.829938][ T8800] RSP: 0018:ffff88808ae87670 EFLAGS: 00010202 [ 57.836036][ T8800] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87f526e5 [ 57.844342][ T8800] RDX: 0000000000000001 RSI: ffffffff81fcc88b RDI: 0000000000000008 [ 57.852299][ T8800] RBP: ffff88808ae876b0 R08: 1ffffffff135177c R09: fffffbfff135177d [ 57.860325][ T8800] R10: fffffbfff135177c R11: ffffffff89a8bbe7 R12: ffff88809eed21c0 [ 57.868368][ T8800] R13: ffff88809eed21c0 R14: 0000000000000000 R15: 0000000000000000 [ 57.876379][ T8800] FS: 00007fb69eba9700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 57.885361][ T8800] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.891924][ T8800] CR2: 00007ffc2bb9be58 CR3: 00000000a800b000 CR4: 00000000001406f0 [ 57.899914][ T8800] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 57.907907][ T8800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 57.915892][ T8800] Kernel panic - not syncing: Fatal exception [ 57.922870][ T8800] Kernel Offset: disabled [ 57.927187][ T8800] Rebooting in 86400 seconds..