[   34.421098] audit: type=1800 audit(1551923427.735:27): pid=7375 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0
[   34.448084] audit: type=1800 audit(1551923427.735:28): pid=7375 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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.
[   35.124368] audit: type=1800 audit(1551923428.505:29): pid=7375 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0
[   35.149645] audit: type=1800 audit(1551923428.505:30): pid=7375 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts.
2019/03/07 01:50:37 parsed 1 programs
2019/03/07 01:50:38 executed programs: 0
syzkaller login: [   45.568574] IPVS: ftp: loaded support on port[0] = 21
[   45.623618] chnl_net:caif_netlink_parms(): no params data found
[   45.652051] bridge0: port 1(bridge_slave_0) entered blocking state
[   45.658758] bridge0: port 1(bridge_slave_0) entered disabled state
[   45.665902] device bridge_slave_0 entered promiscuous mode
[   45.673308] bridge0: port 2(bridge_slave_1) entered blocking state
[   45.679675] bridge0: port 2(bridge_slave_1) entered disabled state
[   45.686755] device bridge_slave_1 entered promiscuous mode
[   45.701639] bond0: Enslaving bond_slave_0 as an active interface with an up link
[   45.710579] bond0: Enslaving bond_slave_1 as an active interface with an up link
[   45.727140] team0: Port device team_slave_0 added
[   45.733904] team0: Port device team_slave_1 added
[   45.782291] device hsr_slave_0 entered promiscuous mode
[   45.850380] device hsr_slave_1 entered promiscuous mode
[   45.907291] bridge0: port 2(bridge_slave_1) entered blocking state
[   45.913815] bridge0: port 2(bridge_slave_1) entered forwarding state
[   45.921081] bridge0: port 1(bridge_slave_0) entered blocking state
[   45.927442] bridge0: port 1(bridge_slave_0) entered forwarding state
[   45.956715] 8021q: adding VLAN 0 to HW filter on device bond0
[   45.968952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   45.989098] bridge0: port 1(bridge_slave_0) entered disabled state
[   45.996705] bridge0: port 2(bridge_slave_1) entered disabled state
[   46.004983] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   46.017569] 8021q: adding VLAN 0 to HW filter on device team0
[   46.027107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   46.034953] bridge0: port 1(bridge_slave_0) entered blocking state
[   46.041354] bridge0: port 1(bridge_slave_0) entered forwarding state
[   46.062857] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   46.071336] bridge0: port 2(bridge_slave_1) entered blocking state
[   46.077671] bridge0: port 2(bridge_slave_1) entered forwarding state
[   46.085091] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   46.093304] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   46.101795] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   46.109143] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   46.117577] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   46.126993] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   46.143223] 8021q: adding VLAN 0 to HW filter on device batadv0
[   49.539045] WARNING: CPU: 0 PID: 7928 at fs/kernfs/dir.c:494 kernfs_get.part.0+0x73/0x90
[   49.547480] Kernel panic - not syncing: panic_on_warn set ...
[   49.553369] CPU: 0 PID: 7928 Comm: syz-executor.0 Not tainted 5.0.0+ #9
[   49.560108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.569459] Call Trace:
[   49.572048]  dump_stack+0x172/0x1f0
[   49.575672]  ? kernfs_get.part.0+0x40/0x90
[   49.579895]  panic+0x2cb/0x65c
[   49.583114]  ? __warn_printk+0xf3/0xf3
[   49.586987]  ? kernfs_get.part.0+0x73/0x90
[   49.591206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   49.596730]  ? __warn.cold+0x5/0x45
[   49.600340]  ? __warn+0xe8/0x1d0
[   49.603694]  ? kernfs_get.part.0+0x73/0x90
[   49.607915]  __warn.cold+0x20/0x45
[   49.611442]  ? kernfs_get.part.0+0x73/0x90
[   49.615664]  report_bug+0x263/0x2b0
[   49.619278]  do_error_trap+0x11b/0x200
[   49.623155]  do_invalid_op+0x37/0x50
[   49.626849]  ? kernfs_get.part.0+0x73/0x90
[   49.631070]  invalid_op+0x14/0x20
[   49.634506] RIP: 0010:kernfs_get.part.0+0x73/0x90
[   49.639335] Code: e6 e8 51 27 9d ff 45 85 e4 74 1a e8 c7 25 9d ff be 04 00 00 00 48 89 df e8 8a a2 d4 ff f0 ff 03 5b 41 5c 5d c3 e8 ad 25 9d ff <0f> 0b eb dd 48 89 df e8 b1 c8 d4 ff eb c1 0f 1f 44 00 00 66 2e 0f
[   49.658249] RSP: 0018:ffff88809f51f840 EFLAGS: 00010293
[   49.663600] RAX: ffff88809f428640 RBX: ffff8880a9923b60 RCX: ffffffff81d3040f
[   49.670853] RDX: 0000000000000000 RSI: ffffffff81d30433 RDI: 0000000000000005
[   49.678106] RBP: ffff88809f51f850 R08: ffff88809f428640 R09: ffffed101532476d
[   49.685379] R10: ffffed101532476c R11: ffff8880a9923b63 R12: 0000000000000000
[   49.692651] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   49.699921]  ? kernfs_get.part.0+0x4f/0x90
[   49.704141]  ? kernfs_get.part.0+0x73/0x90
[   49.708365]  kernfs_new_node+0xb8/0x130
[   49.712331]  kernfs_create_dir_ns+0x52/0x160
[   49.716727]  sysfs_create_dir_ns+0x131/0x2a0
[   49.721121]  ? sysfs_create_mount_point+0xa0/0xa0
[   49.725955]  ? class_dir_child_ns_type+0xd/0x60
[   49.730613]  kobject_add_internal.cold+0xe5/0x5d4
[   49.735802]  kobject_add+0x150/0x1c0
[   49.739501]  ? kset_create_and_add+0x1a0/0x1a0
[   49.744072]  ? kasan_check_read+0x11/0x20
[   49.748208]  ? mutex_unlock+0xd/0x10
[   49.751906]  ? device_add+0x30f/0x1870
[   49.755803]  device_add+0x3d5/0x1870
[   49.759506]  ? device_initialize+0x440/0x440
[   49.763912]  ? get_device_parent.isra.0+0x570/0x570
[   49.768920]  hci_register_dev+0x2e8/0x860
[   49.773081]  __vhci_create_device+0x2d0/0x5a0
[   49.777565]  vhci_write+0x2d0/0x470
[   49.781183]  __vfs_write+0x613/0x8e0
[   49.784880]  ? kernel_read+0x120/0x120
[   49.788753]  ? common_file_perm+0x1d6/0x6f0
[   49.793065]  ? apparmor_file_permission+0x25/0x30
[   49.797909]  ? rw_verify_area+0x118/0x360
[   49.802043]  vfs_write+0x20c/0x580
[   49.805569]  ksys_write+0xea/0x1f0
[   49.809112]  ? __ia32_sys_read+0xb0/0xb0
[   49.813189]  ? do_syscall_64+0x26/0x610
[   49.817149]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   49.822518]  ? do_syscall_64+0x26/0x610
[   49.826486]  __x64_sys_write+0x73/0xb0
[   49.830377]  do_syscall_64+0x103/0x610
[   49.834269]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   49.839441] RIP: 0033:0x457f29
[   49.842621] 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
[   49.861509] RSP: 002b:00007f44d227bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   49.869202] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457f29
[   49.876456] RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000004
[   49.883717] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
[   49.890973] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f44d227c6d4
[   49.898227] R13: 00000000004c759c R14: 00000000004dd1e8 R15: 00000000ffffffff
[   49.906481] Kernel Offset: disabled
[   49.910203] Rebooting in 86400 seconds..