[ 37.012118][ T27] audit: type=1800 audit(1551279749.423:27): pid=7555 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.034100][ T27] audit: type=1800 audit(1551279749.423:28): pid=7555 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. [ 37.780693][ T27] audit: type=1800 audit(1551279750.233:29): pid=7555 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 [ 37.801041][ T27] audit: type=1800 audit(1551279750.243:30): pid=7555 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 '10.128.0.204' (ECDSA) to the list of known hosts. 2019/02/27 15:02:40 parsed 1 programs 2019/02/27 15:02:42 executed programs: 0 syzkaller login: [ 50.040383][ T7720] IPVS: ftp: loaded support on port[0] = 21 [ 50.096253][ T7720] chnl_net:caif_netlink_parms(): no params data found [ 50.127256][ T7720] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.135187][ T7720] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.143235][ T7720] device bridge_slave_0 entered promiscuous mode [ 50.151399][ T7720] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.159090][ T7720] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.166910][ T7720] device bridge_slave_1 entered promiscuous mode [ 50.183082][ T7720] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.192790][ T7720] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.209765][ T7720] team0: Port device team_slave_0 added [ 50.216964][ T7720] team0: Port device team_slave_1 added [ 50.283449][ T7720] device hsr_slave_0 entered promiscuous mode [ 50.332292][ T7720] device hsr_slave_1 entered promiscuous mode [ 50.409768][ T7720] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.416991][ T7720] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.424927][ T7720] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.432031][ T7720] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.463866][ T7720] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.475596][ T7722] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.496576][ T7722] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.505453][ T7722] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.514609][ T7722] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.526140][ T7720] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.536815][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.545504][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.552609][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.563197][ T7722] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.572211][ T7722] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.579260][ T7722] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.595295][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.604878][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.615711][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.630141][ T7720] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.642088][ T7720] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.654639][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.663726][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.675039][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.692898][ T7720] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.172955][ T7919] kasan: CONFIG_KASAN_INLINE enabled [ 52.178439][ T7919] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 52.187190][ T7919] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 52.194129][ T7919] CPU: 1 PID: 7919 Comm: syz-executor.0 Not tainted 5.0.0-rc8-next-20190227 #44 [ 52.203139][ T7919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.213208][ T7919] RIP: 0010:kernfs_add_one+0x343/0x4d0 [ 52.218656][ T7919] 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 [ 52.238249][ T7919] RSP: 0018:ffff88809ae8f820 EFLAGS: 00010202 [ 52.244339][ T7919] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff870c5ad8 [ 52.252299][ T7919] RDX: 0000000000000001 RSI: ffffffff81d5791b RDI: 0000000000000008 [ 52.260255][ T7919] RBP: ffff88809ae8f860 R08: 1ffffffff1151cb0 R09: fffffbfff1151cb1 [ 52.268213][ T7919] R10: fffffbfff1151cb0 R11: ffffffff88a8e587 R12: ffff88808ac160e0 [ 52.276169][ T7919] R13: ffff88808ac160e0 R14: 0000000000000000 R15: 0000000000000000 [ 52.284139][ T7919] FS: 00007fd85df23700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 52.293066][ T7919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.299633][ T7919] CR2: 00007f4927e0e000 CR3: 00000000a103f000 CR4: 00000000001406e0 [ 52.307624][ T7919] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.315582][ T7919] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.323553][ T7919] Call Trace: [ 52.326852][ T7919] kernfs_create_dir_ns+0xff/0x160 [ 52.331962][ T7919] sysfs_create_dir_ns+0x131/0x2a0 [ 52.337056][ T7919] ? sysfs_create_mount_point+0xa0/0xa0 [ 52.342589][ T7919] ? class_dir_child_ns_type+0xd/0x60 [ 52.347949][ T7919] kobject_add_internal.cold+0xe5/0x5d4 [ 52.353480][ T7919] kobject_add+0x150/0x1c0 [ 52.357880][ T7919] ? kset_create_and_add+0x1a0/0x1a0 [ 52.363153][ T7919] ? kasan_check_read+0x11/0x20 [ 52.367988][ T7919] ? mutex_unlock+0xd/0x10 [ 52.372415][ T7919] ? device_add+0x30f/0x18a0 [ 52.377006][ T7919] device_add+0x3d5/0x18a0 [ 52.381405][ T7919] ? device_initialize+0x440/0x440 [ 52.386514][ T7919] ? get_device_parent.isra.0+0x570/0x570 [ 52.392251][ T7919] hci_register_dev+0x304/0x880 [ 52.397101][ T7919] __vhci_create_device+0x2d0/0x5a0 [ 52.402312][ T7919] vhci_write+0x2d0/0x470 [ 52.406650][ T7919] new_sync_write+0x4c7/0x760 [ 52.411341][ T7919] ? default_llseek+0x2e0/0x2e0 [ 52.416183][ T7919] ? common_file_perm+0x238/0x720 [ 52.421200][ T7919] ? __fget+0x381/0x550 [ 52.425354][ T7919] ? apparmor_file_permission+0x25/0x30 [ 52.430891][ T7919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.437119][ T7919] ? security_file_permission+0x94/0x380 [ 52.442743][ T7919] __vfs_write+0xe4/0x110 [ 52.447062][ T7919] vfs_write+0x20c/0x580 [ 52.451291][ T7919] ksys_write+0xea/0x1f0 [ 52.455524][ T7919] ? __ia32_sys_read+0xb0/0xb0 [ 52.460286][ T7919] ? do_syscall_64+0x26/0x610 [ 52.464976][ T7919] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.471030][ T7919] ? do_syscall_64+0x26/0x610 [ 52.475696][ T7919] __x64_sys_write+0x73/0xb0 [ 52.480268][ T7919] do_syscall_64+0x103/0x610 [ 52.484837][ T7919] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.490712][ T7919] RIP: 0033:0x457e29 [ 52.494587][ T7919] 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 [ 52.514178][ T7919] RSP: 002b:00007fd85df22c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.522580][ T7919] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29 [ 52.530546][ T7919] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000004 [ 52.538517][ T7919] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.546477][ T7919] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd85df236d4 [ 52.554438][ T7919] R13: 00000000004c6ef5 R14: 00000000004dc818 R15: 00000000ffffffff [ 52.562406][ T7919] Modules linked in: [ 52.568739][ T7919] ---[ end trace 817cafb9a7f03b5f ]--- [ 52.574775][ T7919] RIP: 0010:kernfs_add_one+0x343/0x4d0 [ 52.580292][ T7919] 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 [ 52.599947][ T7919] RSP: 0018:ffff88809ae8f820 EFLAGS: 00010202 [ 52.606041][ T7919] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff870c5ad8 [ 52.614119][ T7919] RDX: 0000000000000001 RSI: ffffffff81d5791b RDI: 0000000000000008 [ 52.622159][ T7919] RBP: ffff88809ae8f860 R08: 1ffffffff1151cb0 R09: fffffbfff1151cb1 [ 52.630142][ T7919] R10: fffffbfff1151cb0 R11: ffffffff88a8e587 R12: ffff88808ac160e0 [ 52.638183][ T7919] R13: ffff88808ac160e0 R14: 0000000000000000 R15: 0000000000000000 [ 52.646197][ T7919] FS: 00007fd85df23700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 52.655184][ T7919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.661818][ T7919] CR2: 000000000108a000 CR3: 00000000a103f000 CR4: 00000000001406f0 [ 52.669784][ T7919] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.677842][ T7919] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.685847][ T7919] Kernel panic - not syncing: Fatal exception [ 52.692854][ T7919] Kernel Offset: disabled [ 52.697179][ T7919] Rebooting in 86400 seconds..