[info] Using makefile-style concurrent boot in runlevel 2. [ 26.489866] audit: type=1800 audit(1541913483.202:21): pid=5816 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 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 '10.128.10.26' (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 syzkaller login: [ 420.965101] kasan: CONFIG_KASAN_INLINE enabled executing program executing program executing program [ 420.985439] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 421.015380] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 421.015660] kobject: 'rfkill55' (000000003744c898): calling ktype release [ 421.021649] CPU: 0 PID: 6030 Comm: syz-executor882 Not tainted 4.20.0-rc1+ #330 [ 421.021657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 421.021677] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 421.021691] 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 [ 421.021699] RSP: 0018:ffff8801c23675d0 EFLAGS: 00010202 [ 421.021710] RAX: dffffc0000000000 RBX: ffff8801b3d542a0 RCX: ffffffff87ceaae7 [ 421.021717] RDX: 0000000000000001 RSI: ffffffff81f8fa7a RDI: 0000000000000008 [ 421.021725] RBP: ffff8801c2367618 R08: fffffbfff12cfa19 R09: fffffbfff12cfa18 [ 421.021734] R10: fffffbfff12cfa18 R11: ffffffff8967d0c7 R12: 0000000000000000 [ 421.021741] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 421.021753] FS: 00000000018f9880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 421.021761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 421.021770] CR2: 00007fbd77bf4000 CR3: 00000001c2255000 CR4: 00000000001406f0 [ 421.021782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 421.021790] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 421.021795] Call Trace: [ 421.021813] kernfs_create_dir_ns+0xf6/0x160 [ 421.021830] sysfs_create_dir_ns+0x19b/0x340 [ 421.021847] ? sysfs_create_mount_point+0xa0/0xa0 [ 421.030270] kobject: 'rfkill56' (000000004e29f2f0): kobject_uevent_env [ 421.036216] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 421.036236] ? class_dir_child_ns_type+0xd/0x60 [ 421.036258] kobject_add_internal.cold.11+0x116/0x6af executing program executing program [ 421.046478] kobject: 'hci1' (00000000968e2c16): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 421.050370] ? kobj_ns_type_registered+0x60/0x60 [ 421.050389] ? lock_downgrade+0x900/0x900 [ 421.050410] ? refcount_add_not_zero_checked+0x330/0x330 [ 421.069858] kobject: 'rfkill55': free name [ 421.074699] ? kasan_check_read+0x11/0x20 [ 421.074719] kobject_add+0x13f/0x1b0 [ 421.074739] ? kset_create_and_add+0x190/0x190 [ 421.082125] kobject: 'rfkill56' (000000004e29f2f0): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill56' executing program [ 421.089270] ? mutex_unlock+0xd/0x10 [ 421.089293] ? device_add+0x382/0x18e0 [ 421.089310] device_add+0x445/0x18e0 [ 421.096835] kobject: 'hci2' (000000004eab9119): kobject_uevent_env [ 421.103871] ? kfree_const+0x5e/0x70 [ 421.103891] ? get_device_parent.isra.25+0x5a0/0x5a0 [ 421.103903] ? dev_set_name+0xad/0xe0 [ 421.103922] ? device_initialize+0x5f0/0x5f0 [ 421.111516] kobject: 'hci1' (00000000968e2c16): kobject_uevent_env [ 421.119447] hci_register_dev+0x3b3/0x9c0 [ 421.119469] ? _copy_from_iter_full+0x2d8/0xce0 [ 421.119489] ? hci_conn_params_free+0x810/0x810 [ 421.125550] kobject: 'hci2' (000000004eab9119): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 421.132644] ? iov_iter_advance+0x13f0/0x13f0 [ 421.132663] __vhci_create_device+0x2c1/0x580 [ 421.132678] vhci_write+0x2de/0x470 [ 421.132695] __vfs_write+0x6b8/0x9f0 [ 421.132713] ? kernel_read+0x120/0x120 [ 421.140240] kobject: 'rfkill56' (000000004e29f2f0): kobject_cleanup, parent (null) [ 421.147261] ? apparmor_path_rmdir+0x30/0x30 [ 421.147276] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 421.147297] ? apparmor_file_permission+0x24/0x30 [ 421.147315] ? rw_verify_area+0x118/0x360 [ 421.147327] vfs_write+0x1fc/0x560 [ 421.147342] ksys_write+0x101/0x260 [ 421.147360] ? __ia32_sys_read+0xb0/0xb0 [ 421.150273] kobject: 'hci2' (000000004eab9119): kobject_cleanup, parent (null) [ 421.154350] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.154368] __x64_sys_write+0x73/0xb0 [ 421.154386] do_syscall_64+0x1b9/0x820 [ 421.154405] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe executing program [ 421.158869] kobject: 'hci2' (000000004eab9119): calling ktype release [ 421.163638] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.163651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.163667] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.163680] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 421.163697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.163716] ? prepare_exit_to_usermode+0x291/0x3b0 [ 421.170421] kobject: 'rfkill56' (000000004e29f2f0): calling ktype release [ 421.175113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.175132] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.175145] RIP: 0033:0x440e49 [ 421.175161] Code: e8 ac e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0b 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 421.179884] kobject: 'hci1' (00000000968e2c16): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 421.184985] RSP: 002b:00007ffc6f22af38 EFLAGS: 00000213 ORIG_RAX: 0000000000000001 [ 421.184998] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440e49 [ 421.185005] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 421.185013] RBP: 0000000000000000 R08: 00000000004002c8 R09: 00000000004002c8 [ 421.185022] R10: 00000000018f9880 R11: 0000000000000213 R12: 0000000000066c1e [ 421.185034] R13: 0000000000401d70 R14: 0000000000000000 R15: 0000000000000000 [ 421.195266] kobject: 'hci2': free name [ 421.199472] Modules linked in: [ 421.208210] kobject: 'hci2' (000000005b29b68e): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 421.210553] kobject: 'rfkill56': free name [ 421.216745] kobject: 'hci4' (000000006542b3fa): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 421.217921] kobject: 'hci3' (0000000053b54f22): kobject_uevent_env [ 421.224008] kobject: 'hci4' (000000006542b3fa): kobject_uevent_env [ 421.226568] kobject: 'rfkill57' (0000000020e39c32): kobject_add_internal: parent: 'hci1', set: 'devices' [ 421.242970] kobject: 'hci2' (000000005b29b68e): kobject_uevent_env [ 421.245936] kobject: 'hci3' (0000000053b54f22): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 421.251427] kobject: 'hci2' (000000005b29b68e): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 421.256540] kobject: 'hci5' (00000000b93c7522): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 421.272839] kobject: 'hci4' (000000006542b3fa): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 421.278491] kobject: 'hci3' (0000000053b54f22): kobject_cleanup, parent (null) [ 421.336403] kobject: 'rfkill57' (0000000020e39c32): kobject_uevent_env [ 421.340661] kobject: 'hci3' (0000000053b54f22): calling ktype release [ 421.356356] kobject: 'hci5' (00000000b93c7522): kobject_uevent_env [ 421.360709] kobject: 'hci3': free name [ 421.373324] kobject: 'rfkill57' (0000000020e39c32): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill57' [ 421.375359] ---[ end trace 18625e67b6c1d1cf ]--- [ 421.388615] kobject: 'rfkill58' (00000000d835c1c8): kobject_add_internal: parent: 'hci2', set: 'devices' [ 421.396642] kobject: 'hci3' (0000000098e4cfd7): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 421.399116] kobject: 'rfkill58' (00000000d835c1c8): kobject_uevent_env [ 421.403882] kobject: 'hci3' (0000000098e4cfd7): kobject_uevent_env [ 421.409037] kobject: 'rfkill57' (0000000020e39c32): kobject_uevent_env [ 421.413895] RIP: 0010:kernfs_add_one+0x342/0x4d0 [ 421.426222] kobject: 'rfkill58' (00000000d835c1c8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill58' [ 421.431592] kobject: 'hci3' (0000000098e4cfd7): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 421.440918] kobject: 'rfkill57' (0000000020e39c32): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill57' [ 421.442149] 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 [ 421.445200] kobject: 'hci5' (00000000b93c7522): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 421.464976] RSP: 0018:ffff8801c23675d0 EFLAGS: 00010202 [ 421.490933] kobject: 'rfkill59' (00000000b2234468): kobject_add_internal: parent: 'hci4', set: 'devices' [ 421.497080] RAX: dffffc0000000000 RBX: ffff8801b3d542a0 RCX: ffffffff87ceaae7 [ 421.504693] kobject: 'rfkill58' (00000000d835c1c8): kobject_uevent_env [ 421.511702] RDX: 0000000000000001 RSI: ffffffff81f8fa7a RDI: 0000000000000008 [ 421.531786] kobject: 'rfkill59' (00000000b2234468): kobject_uevent_env [ 421.535815] RBP: ffff8801c2367618 R08: fffffbfff12cfa19 R09: fffffbfff12cfa18 [ 421.539838] kobject: 'rfkill59' (00000000b2234468): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill59' [ 421.549784] R10: fffffbfff12cfa18 R11: ffffffff8967d0c7 R12: 0000000000000000 [ 421.557149] kobject: 'rfkill58' (00000000d835c1c8): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill58' [ 421.562574] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 421.576875] kobject: 'rfkill59' (00000000b2234468): kobject_uevent_env [ 421.578475] kobject: 'rfkill60' (000000009bb137b0): kobject_add_internal: parent: 'hci3', set: 'devices' [ 421.590534] kobject: 'rfkill59' (00000000b2234468): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4/rfkill59' [ 421.598340] FS: 00000000018f9880(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 [ 421.609586] kobject: 'rfkill60' (000000009bb137b0): kobject_uevent_env [ 421.617400] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 421.625766] kobject: 'rfkill60' (000000009bb137b0): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3/rfkill60' [ 421.632518] CR2: 00000000006cb090 CR3: 00000001c2255000 CR4: 00000000001406e0 [ 421.641961] kobject: 'rfkill57' (0000000020e39c32): kobject_cleanup, parent (null) [ 421.645569] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 421.649232] kobject: 'rfkill61' (000000002604a0b7): kobject_add_internal: parent: 'hci5', set: 'devices' [ 421.660415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 421.664896] kobject: 'rfkill57' (0000000020e39c32): calling ktype release [ 421.674758] Kernel panic - not syncing: Fatal exception [ 421.684681] kobject: 'rfkill60' (000000009bb137b0): kobject_uevent_env [ 421.691969] Kernel Offset: disabled [ 421.976187] Rebooting in 86400 seconds..