[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.301699][ T26] audit: type=1800 audit(1553262908.848:25): pid=7761 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 40.329444][ T26] audit: type=1800 audit(1553262908.848:26): pid=7761 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 40.357578][ T26] audit: type=1800 audit(1553262908.858:27): pid=7761 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 '10.128.0.191' (ECDSA) to the list of known hosts. 2019/03/22 13:55:22 parsed 1 programs 2019/03/22 13:55:23 executed programs: 0 syzkaller login: [ 54.842240][ T7926] IPVS: ftp: loaded support on port[0] = 21 [ 54.900819][ T7926] chnl_net:caif_netlink_parms(): no params data found [ 54.929023][ T7926] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.936657][ T7926] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.944658][ T7926] device bridge_slave_0 entered promiscuous mode [ 54.953040][ T7926] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.960247][ T7926] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.968034][ T7926] device bridge_slave_1 entered promiscuous mode [ 54.984453][ T7926] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.994970][ T7926] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 55.014883][ T7926] team0: Port device team_slave_0 added [ 55.022201][ T7926] team0: Port device team_slave_1 added [ 55.099896][ T7926] device hsr_slave_0 entered promiscuous mode [ 55.138261][ T7926] device hsr_slave_1 entered promiscuous mode [ 55.195700][ T7926] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.203086][ T7926] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.210937][ T7926] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.218160][ T7926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.251575][ T7926] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.264115][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.274938][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.283579][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.291922][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.305004][ T7926] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.315395][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.324015][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.331176][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.348532][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.357007][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.364166][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.372311][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.381447][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.390612][ T7928] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.403762][ T7926] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.415150][ T7926] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.427668][ T7928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.437593][ T7928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.446769][ T7928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.462940][ T7926] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.838159][ T7970] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 55.849346][ T7970] Bluetooth: Can't register HCI device [ 58.200765][ T8222] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 58.211453][ T8222] Bluetooth: Can't register HCI device [ 59.455328][ T8351] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 59.466354][ T8351] Bluetooth: Can't register HCI device [ 59.583705][ T8363] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 59.594853][ T8363] Bluetooth: Can't register HCI device 2019/03/22 13:55:28 executed programs: 155 [ 61.406486][ T8551] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 61.417026][ T8551] Bluetooth: Can't register HCI device [ 62.535963][ T8671] WARNING: CPU: 1 PID: 8671 at fs/kernfs/dir.c:494 kernfs_get.part.0+0x73/0x90 [ 62.544932][ T8671] Kernel panic - not syncing: panic_on_warn set ... [ 62.551523][ T8671] CPU: 1 PID: 8671 Comm: syz-executor.0 Not tainted 5.1.0-rc1+ #32 [ 62.559395][ T8671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.569447][ T8671] Call Trace: [ 62.572723][ T8671] dump_stack+0x172/0x1f0 [ 62.577039][ T8671] ? kernfs_get.part.0+0x20/0x90 [ 62.581965][ T8671] panic+0x2cb/0x65c [ 62.585844][ T8671] ? __warn_printk+0xf3/0xf3 [ 62.590425][ T8671] ? kernfs_get.part.0+0x73/0x90 [ 62.595349][ T8671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.601583][ T8671] ? __warn.cold+0x5/0x45 [ 62.605903][ T8671] ? __warn+0xe8/0x1d0 [ 62.609982][ T8671] ? kernfs_get.part.0+0x73/0x90 [ 62.614917][ T8671] __warn.cold+0x20/0x45 [ 62.619144][ T8671] ? idr_alloc+0x150/0x150 [ 62.623546][ T8671] ? kernfs_get.part.0+0x73/0x90 [ 62.628474][ T8671] report_bug+0x263/0x2b0 [ 62.632811][ T8671] do_error_trap+0x11b/0x200 [ 62.637390][ T8671] do_invalid_op+0x37/0x50 [ 62.641789][ T8671] ? kernfs_get.part.0+0x73/0x90 [ 62.646708][ T8671] invalid_op+0x14/0x20 [ 62.650854][ T8671] RIP: 0010:kernfs_get.part.0+0x73/0x90 [ 62.656392][ T8671] Code: e6 e8 e1 0d 9b ff 45 85 e4 74 1a e8 57 0c 9b ff be 04 00 00 00 48 89 df e8 4a e2 d2 ff f0 ff 03 5b 41 5c 5d c3 e8 3d 0c 9b ff <0f> 0b eb dd 48 89 df e8 41 08 d3 ff eb c1 0f 1f 44 00 00 66 2e 0f [ 62.676090][ T8671] RSP: 0018:ffff88808ba87808 EFLAGS: 00010293 [ 62.682142][ T8671] RAX: ffff8880a8aee240 RBX: ffff88808a37b540 RCX: ffffffff81d5632f [ 62.690105][ T8671] RDX: 0000000000000000 RSI: ffffffff81d56353 RDI: 0000000000000005 [ 62.698082][ T8671] RBP: ffff88808ba87818 R08: ffff8880a8aee240 R09: ffffed101146f6a9 [ 62.706047][ T8671] R10: ffffed101146f6a8 R11: ffff88808a37b543 R12: 0000000000000000 [ 62.714020][ T8671] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 [ 62.721996][ T8671] ? kernfs_get.part.0+0x4f/0x90 [ 62.726924][ T8671] ? kernfs_get.part.0+0x73/0x90 [ 62.731866][ T8671] ? kernfs_get.part.0+0x73/0x90 [ 62.736810][ T8671] kernfs_new_node+0xb8/0x130 [ 62.741495][ T8671] kernfs_create_dir_ns+0x52/0x160 [ 62.746600][ T8671] sysfs_create_dir_ns+0x131/0x2a0 [ 62.751698][ T8671] ? sysfs_create_mount_point+0xa0/0xa0 [ 62.757259][ T8671] ? class_dir_child_ns_type+0xd/0x60 [ 62.762619][ T8671] kobject_add_internal.cold+0xe5/0x5d4 [ 62.768152][ T8671] kobject_add+0x150/0x1c0 [ 62.772558][ T8671] ? kset_create_and_add+0x1a0/0x1a0 [ 62.777836][ T8671] ? kasan_check_read+0x11/0x20 [ 62.782673][ T8671] ? mutex_unlock+0xd/0x10 [ 62.787177][ T8671] ? device_add+0x30f/0x18a0 [ 62.791855][ T8671] device_add+0x3d5/0x18a0 [ 62.796267][ T8671] ? device_initialize+0x440/0x440 [ 62.801362][ T8671] ? get_device_parent.isra.0+0x570/0x570 [ 62.807072][ T8671] ? start_creating+0x163/0x1e0 [ 62.811914][ T8671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.818162][ T8671] hci_register_dev+0x2e8/0x860 [ 62.823017][ T8671] __vhci_create_device+0x2d0/0x5a0 [ 62.828203][ T8671] vhci_write+0x2d0/0x470 [ 62.832519][ T8671] new_sync_write+0x4c7/0x760 [ 62.837181][ T8671] ? default_llseek+0x2e0/0x2e0 [ 62.842023][ T8671] ? common_file_perm+0x238/0x720 [ 62.847030][ T8671] ? __fget+0x381/0x550 [ 62.851179][ T8671] ? apparmor_file_permission+0x25/0x30 [ 62.856709][ T8671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.862941][ T8671] ? security_file_permission+0x94/0x380 [ 62.868563][ T8671] __vfs_write+0xe4/0x110 [ 62.872881][ T8671] vfs_write+0x20c/0x580 [ 62.877117][ T8671] ksys_write+0xea/0x1f0 [ 62.881352][ T8671] ? __ia32_sys_read+0xb0/0xb0 [ 62.886119][ T8671] ? do_syscall_64+0x26/0x610 [ 62.890780][ T8671] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.896835][ T8671] ? do_syscall_64+0x26/0x610 [ 62.901505][ T8671] __x64_sys_write+0x73/0xb0 [ 62.906087][ T8671] do_syscall_64+0x103/0x610 [ 62.910669][ T8671] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.916547][ T8671] RIP: 0033:0x458209 [ 62.920536][ T8671] Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.940564][ T8671] RSP: 002b:00007f5b00ba4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.948966][ T8671] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458209 [ 62.956925][ T8671] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000004 [ 62.964902][ T8671] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 62.972862][ T8671] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5b00ba56d4 [ 62.980844][ T8671] R13: 00000000004c725c R14: 00000000004dcbc8 R15: 00000000ffffffff [ 62.989832][ T8671] Kernel Offset: disabled [ 62.994229][ T8671] Rebooting in 86400 seconds..