[info] Using makefile-style concurrent boot in runlevel 2. [ 26.597452] audit: type=1800 audit(1544288962.401:21): pid=5838 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 26.624030] audit: type=1800 audit(1544288962.411:22): pid=5838 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 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 '10.128.0.77' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 36.646174] kobject_add_internal failed for hci5 (error: -2 parent: bluetooth) [ 36.682684] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.810120] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 36.817798] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 36.830104] Bluetooth: Can't register HCI device [ 36.838304] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.135535] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 37.143031] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 37.143229] Bluetooth: Can't register HCI device [ 37.165128] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program [ 37.208423] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program executing program [ 37.251906] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program [ 37.292879] kasan: CONFIG_KASAN_INLINE enabled [ 37.316879] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 37.330228] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 37.331320] kobject: 'hci1' (000000006e30b433): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 37.336470] CPU: 0 PID: 6325 Comm: syz-executor292 Not tainted 4.20.0-rc5+ #270 [ 37.336477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.336494] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 37.336510] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6d 70 49 8d 7d 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 16 01 00 00 45 8b 6d 08 31 ff [ 37.347063] kobject: 'rfkill323' (000000004eeb4a6e): kobject_uevent_env [ 37.353625] RSP: 0018:ffff8881c2967580 EFLAGS: 00010202 [ 37.353653] RAX: dffffc0000000000 RBX: ffff8881c2fc3b60 RCX: ffffffff87d9e4c7 [ 37.353661] RDX: 0000000000000001 RSI: ffffffff81f8ff1a RDI: 0000000000000008 [ 37.353670] RBP: ffff8881c29675c8 R08: fffffbfff12cfaad R09: fffffbfff12cfaac [ 37.353678] R10: fffffbfff12cfaac R11: ffffffff8967d567 R12: 0000000000000000 [ 37.353690] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.363113] kobject: 'rfkill320' (00000000f858406a): calling ktype release [ 37.367789] FS: 0000000000000000(0000) GS:ffff8881dae00000(0063) knlGS:0000000008e0a840 [ 37.367799] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 37.367814] CR2: 00000000080d6a20 CR3: 00000001c6a74000 CR4: 00000000001406f0 [ 37.367825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 37.387273] kobject: 'hci1' (000000006e30b433): kobject_uevent_env [ 37.393475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 37.393479] Call Trace: [ 37.393499] kernfs_create_dir_ns+0xf6/0x160 [ 37.393514] sysfs_create_dir_ns+0x19b/0x340 [ 37.393531] ? sysfs_create_mount_point+0xa0/0xa0 [ 37.399216] kobject: 'rfkill323' (000000004eeb4a6e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill323' [ 37.406140] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 37.406159] ? class_dir_child_ns_type+0xd/0x60 [ 37.406176] kobject_add_internal.cold.11+0x116/0x6af [ 37.413726] kobject: 'hci1' (000000006e30b433): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 37.420695] ? kobj_ns_type_registered+0x60/0x60 [ 37.420711] ? lock_downgrade+0x900/0x900 [ 37.420727] ? refcount_add_not_zero_checked+0x330/0x330 [ 37.420746] ? kasan_check_read+0x11/0x20 [ 37.428732] kobject: 'rfkill320': free name [ 37.435285] kobject_add+0x13f/0x1b0 [ 37.435313] ? kset_create_and_add+0x190/0x190 executing program executing program [ 37.435344] ? mutex_unlock+0xd/0x10 [ 37.435376] ? device_add+0x382/0x18e0 [ 37.442907] kobject: 'rfkill324' (0000000026894e1c): kobject_add_internal: parent: 'hci1', set: 'devices' [ 37.450601] device_add+0x445/0x18e0 [ 37.450617] ? kfree_const+0x5e/0x70 [ 37.450632] ? get_device_parent.isra.25+0x5a0/0x5a0 [ 37.450646] ? dev_set_name+0xad/0xe0 [ 37.457017] kobject: 'rfkill323' (000000004eeb4a6e): kobject_uevent_env [ 37.463769] ? device_initialize+0x5f0/0x5f0 [ 37.463786] ? start_creating+0x171/0x200 executing program [ 37.463811] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.463831] hci_register_dev+0x3b3/0x9c0 [ 37.471429] kobject: 'rfkill324' (0000000026894e1c): kobject_uevent_env [ 37.477397] ? _copy_from_iter_full+0x2d8/0xce0 [ 37.477414] ? hci_conn_params_free+0x810/0x810 [ 37.477432] ? __kasan_slab_free+0x102/0x150 [ 37.485225] kobject: 'hci0' (00000000c11b782d): kobject_uevent_env [ 37.487252] ? iov_iter_advance+0x13f0/0x13f0 [ 37.487270] __vhci_create_device+0x2c1/0x580 [ 37.487302] vhci_write+0x2de/0x470 [ 37.491980] kobject: 'rfkill323' (000000004eeb4a6e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill323' [ 37.496112] __vfs_write+0x6b8/0x9f0 [ 37.496157] ? kernel_read+0x120/0x120 [ 37.496174] ? apparmor_path_rmdir+0x30/0x30 [ 37.501270] kobject: 'hci0' (00000000c11b782d): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0' [ 37.511905] ? apparmor_file_permission+0x24/0x30 [ 37.511921] ? rw_verify_area+0x118/0x360 [ 37.511934] vfs_write+0x1fc/0x560 [ 37.511948] ksys_write+0x101/0x260 [ 37.517038] kobject: 'rfkill324' (0000000026894e1c): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill324' [ 37.521555] ? __ia32_sys_read+0xb0/0xb0 [ 37.521570] ? trace_hardirqs_off_caller+0x310/0x310 [ 37.521583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.521598] __ia32_sys_write+0x71/0xb0 [ 37.521616] do_fast_syscall_32+0x34d/0xfb2 [ 37.527320] kobject: 'rfkill323' (000000004eeb4a6e): kobject_cleanup, parent (null) [ 37.536381] ? do_int80_syscall_32+0x890/0x890 [ 37.536395] ? entry_SYSENTER_compat+0x68/0x7f [ 37.536407] ? trace_hardirqs_off_caller+0xbb/0x310 [ 37.536423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.541771] kobject: 'rfkill324' (0000000026894e1c): kobject_uevent_env [ 37.545335] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.545379] ? trace_hardirqs_on_caller+0x310/0x310 [ 37.545396] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 37.551044] kobject: 'hci0' (00000000c11b782d): kobject_cleanup, parent (null) [ 37.554959] ? prepare_exit_to_usermode+0x291/0x3b0 [ 37.554975] ? trace_hardirqs_off_thunk+0x1a/0x1c executing program [ 37.554989] entry_SYSENTER_compat+0x70/0x7f [ 37.559755] kobject: 'rfkill324' (0000000026894e1c): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill324' [ 37.563000] RIP: 0023:0xf7f56a29 [ 37.563013] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 37.563019] RSP: 002b:00000000ff85581c EFLAGS: 00000246 ORIG_RAX: 0000000000000004 executing program [ 37.567730] kobject: 'rfkill324' (0000000026894e1c): kobject_cleanup, parent (null) [ 37.571280] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200000c0 [ 37.571288] RDX: 0000000000000002 RSI: 00000000ff855964 RDI: 00000000ff85596c [ 37.571295] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 37.571301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 37.571308] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 37.571322] Modules linked in: [ 37.575703] kobject: 'rfkill323' (000000004eeb4a6e): calling ktype release [ 37.597278] kobject: 'hci0' (00000000c11b782d): calling ktype release [ 37.599880] kobject: 'regulatory.0' (00000000709d4280): kobject_uevent_env [ 37.604199] kobject: 'hci0' (000000000009dc2f): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 37.609030] kobject: 'regulatory.0' (00000000709d4280): fill_kobj_path: path = '/devices/platform/regulatory.0' [ 37.613974] kobject: 'hci3' (000000001aa29f28): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 37.620219] kobject: 'rfkill324' (0000000026894e1c): calling ktype release [ 37.631955] kobject: 'hci0': free name [ 37.634599] kobject: 'rfkill324': free name [ 37.653801] kobject: 'hci5' (000000007e05d66b): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 37.655951] kobject: 'rfkill323': free name [ 37.660019] kobject: 'hci0' (000000000009dc2f): kobject_uevent_env [ 37.664638] kobject: 'hci4' (000000003e82060f): kobject_uevent_env [ 37.667158] kobject: 'hci5' (000000007e05d66b): kobject_uevent_env [ 37.678149] kobject: 'hci1' (000000006e30b433): kobject_uevent_env [ 37.683276] kobject: 'hci3' (000000001aa29f28): kobject_uevent_env [ 37.686361] kobject: 'hci1' (000000006e30b433): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 37.698309] kobject: 'hci0' (000000000009dc2f): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0' [ 37.701247] kobject: 'hci4' (000000003e82060f): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 37.714737] kobject: 'rfkill325' (00000000649feac7): kobject_add_internal: parent: 'hci0', set: 'devices' [ 37.717459] kobject: 'hci1' (000000006e30b433): kobject_cleanup, parent (null) [ 37.731224] kobject: 'hci3' (000000001aa29f28): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 37.732363] kobject: 'hci4' (000000003e82060f): kobject_cleanup, parent (null) [ 37.756996] kobject: 'hci5' (000000007e05d66b): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 37.759969] kobject: 'hci1' (000000006e30b433): calling ktype release [ 37.777329] kobject: 'rfkill325' (00000000649feac7): kobject_uevent_env [ 37.779931] kobject: 'hci4' (000000003e82060f): calling ktype release [ 37.808016] kobject: 'rfkill325' (00000000649feac7): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill325' [ 37.809651] kobject: 'hci1': free name [ 37.828717] kobject: 'rfkill326' (000000007c7aaee0): kobject_add_internal: parent: 'hci3', set: 'devices' [ 37.834850] kobject: 'hci4': free name [ 37.837310] kobject: 'rfkill326' (000000007c7aaee0): kobject_uevent_env [ 37.860458] kobject: 'hci1' (00000000d377f4a2): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 37.865438] kobject: 'rfkill325' (00000000649feac7): kobject_uevent_env [ 37.872688] kobject: 'hci1' (00000000d377f4a2): kobject_uevent_env [ 37.892555] kobject: 'hci4' (000000007707c785): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 37.896640] kobject: 'hci1' (00000000d377f4a2): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 37.926321] kobject: 'hci4' (000000007707c785): kobject_uevent_env [ 37.934393] kobject: 'rfkill326' (000000007c7aaee0): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill326' [ 37.947656] kobject: 'rfkill325' (00000000649feac7): fill_kobj_path: path = '/devices/virtual/bluetooth/hci0/rfkill325' [ 37.954880] kobject: 'rfkill327' (0000000049a8df52): kobject_add_internal: parent: 'hci5', set: 'devices' [ 37.979653] kobject: 'rfkill326' (000000007c7aaee0): kobject_uevent_env [ 37.990457] kobject: 'rfkill327' (0000000049a8df52): kobject_uevent_env [ 38.015615] kobject: 'hci4' (000000007707c785): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 38.018574] kobject: 'rfkill327' (0000000049a8df52): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill327' [ 38.034522] kobject: 'rfkill326' (000000007c7aaee0): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill326' [ 38.044532] kobject: 'rfkill328' (00000000d04ec777): kobject_add_internal: parent: 'hci1', set: 'devices' [ 38.131646] ---[ end trace d137b808ad2129d4 ]--- [ 38.135036] kobject: 'rfkill327' (0000000049a8df52): kobject_uevent_env [ 38.144050] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 38.147664] kobject: 'rfkill327' (0000000049a8df52): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5/rfkill327' [ 38.154258] Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 49 01 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 6d 70 49 8d 7d 08 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 16 01 00 00 45 8b 6d 08 31 ff [ 38.164934] kobject: 'rfkill328' (00000000d04ec777): kobject_uevent_env [ 38.174172] RSP: 0018:ffff8881c2967580 EFLAGS: 00010202 [ 38.178241] kobject: 'rfkill328' (00000000d04ec777): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill328' [ 38.186762] RAX: dffffc0000000000 RBX: ffff8881c2fc3b60 RCX: ffffffff87d9e4c7 [ 38.198263] kobject: 'rfkill328' (00000000d04ec777): kobject_uevent_env [ 38.203455] kobject: 'rfkill325' (00000000649feac7): kobject_cleanup, parent (null) [ 38.214593] kobject: 'rfkill328' (00000000d04ec777): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill328' [ 38.225038] kobject: 'rfkill329' (000000004a70f483): kobject_add_internal: parent: 'hci4', set: 'devices' [ 38.249212] RDX: 0000000000000001 RSI: ffffffff81f8ff1a RDI: 0000000000000008 [ 38.258761] kobject: 'rfkill325' (00000000649feac7): calling ktype release [ 38.269504] RBP: ffff8881c29675c8 R08: fffffbfff12cfaad R09: fffffbfff12cfaac [ 38.279676] kobject: 'rfkill325': free name [ 38.290540] R10: fffffbfff12cfaac R11: ffffffff8967d567 R12: 0000000000000000 [ 38.294602] kobject: 'rfkill329' (000000004a70f483): kobject_uevent_env [ 38.302392] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 38.306176] kobject: 'hci0' (000000000009dc2f): kobject_uevent_env [ 38.317844] FS: 0000000000000000(0000) GS:ffff8881daf00000(0063) knlGS:0000000008e0a840 [ 38.335842] kobject: 'rfkill329' (000000004a70f483): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill329' [ 38.343247] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 38.348118] kobject: 'rfkill326' (000000007c7aaee0): kobject_cleanup, parent (null) [ 38.359876] CR2: 00007f56ac3ea000 CR3: 00000001c6a74000 CR4: 00000000001406e0 [ 38.366207] kobject: 'rfkill327' (0000000049a8df52): kobject_cleanup, parent (null) [ 38.373068] kobject: 'rfkill328' (00000000d04ec777): kobject_cleanup, parent (null) [ 38.382602] kobject: 'rfkill329' (000000004a70f483): kobject_uevent_env [ 38.394120] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.402849] kobject: 'rfkill327' (0000000049a8df52): calling ktype release [ 38.411052] kobject: 'rfkill328' (00000000d04ec777): calling ktype release [ 38.417346] kobject: 'rfkill326' (000000007c7aaee0): calling ktype release [ 38.425426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.428930] kobject: 'rfkill327': free name [ 38.438118] kobject: 'rfkill328': free name [ 38.443185] kobject: 'rfkill326': free name [ 38.451837] Kernel panic - not syncing: Fatal exception [ 38.457017] kobject: 'rfkill329' (000000004a70f483): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill329' [ 38.465785] Kernel Offset: disabled [ 38.590658] Rebooting in 86400 seconds..