[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 33.308319] kauditd_printk_skb: 9 callbacks suppressed [ 33.308333] audit: type=1800 audit(1543144605.885:33): pid=5943 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 33.347222] audit: type=1800 audit(1543144605.885:34): pid=5943 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.618797] audit: type=1400 audit(1543144607.195:35): avc: denied { map } for pid=6120 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 48.869511] audit: type=1400 audit(1543144621.445:36): avc: denied { map } for pid=6130 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 58.455430] audit: type=1400 audit(1543144631.035:37): avc: denied { map } for pid=6137 comm="syz-executor148" path="/root/syz-executor148527299" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 58.502199] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) [ 58.520165] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 59.769336] kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) [ 59.787060] 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 [ 59.880588] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 59.897861] Bluetooth: Can't register HCI device [ 59.913482] kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program [ 59.946247] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 60.410838] kobject_add_internal failed for hci0 (error: -2 parent: bluetooth) [ 60.437421] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 61.069265] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 61.099328] ------------[ cut here ]------------ [ 61.105616] Bluetooth: Can't register HCI device executing program executing program executing program executing program [ 61.115570] sysfs group 'power' not found for kobject 'hci0' [ 61.133632] WARNING: CPU: 1 PID: 6615 at fs/sysfs/group.c:255 sysfs_remove_group+0x15b/0x1b0 [ 61.135025] kobject: 'bluetooth' (0000000099b926db): kobject_add_internal: parent: 'virtual', set: '(null)' [ 61.142251] Kernel panic - not syncing: panic_on_warn set ... [ 61.142268] CPU: 1 PID: 6615 Comm: syz-executor148 Not tainted 4.20.0-rc3+ #128 [ 61.142276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.142281] Call Trace: [ 61.142303] dump_stack+0x244/0x39d [ 61.142319] ? dump_stack_print_info.cold.1+0x20/0x20 [ 61.142345] panic+0x2ad/0x55c [ 61.183491] kobject: 'hci4' (00000000b7b152ea): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 61.186422] ? add_taint.cold.5+0x16/0x16 [ 61.186444] ? __warn.cold.8+0x5/0x45 [ 61.186457] ? __warn+0xe8/0x1d0 [ 61.186476] ? sysfs_remove_group+0x15b/0x1b0 [ 61.186491] __warn.cold.8+0x20/0x45 executing program [ 61.186508] ? rcu_softirq_qs+0x20/0x20 [ 61.189744] kobject: 'hci3' (00000000de75fad9): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 61.199387] ? sysfs_remove_group+0x15b/0x1b0 [ 61.199405] report_bug+0x254/0x2d0 [ 61.199425] do_error_trap+0x11b/0x200 [ 61.199450] do_invalid_op+0x36/0x40 [ 61.204607] kobject: 'hci4' (00000000b7b152ea): kobject_uevent_env [ 61.207401] ? sysfs_remove_group+0x15b/0x1b0 [ 61.207417] invalid_op+0x14/0x20 [ 61.207437] RIP: 0010:sysfs_remove_group+0x15b/0x1b0 [ 61.210876] kobject: 'hci1' (000000005f181f76): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 61.215313] Code: 48 89 d9 49 8b 55 00 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 a0 bb 37 88 e8 85 2e 4f ff <0f> 0b eb 92 e8 3c 1d c9 ff e9 d0 fe ff ff 48 89 df e8 2f 1d c9 ff [ 61.215322] RSP: 0018:ffff8881b01878b8 EFLAGS: 00010282 [ 61.215334] RAX: 0000000000000000 RBX: ffffffff887c3640 RCX: 0000000000000000 [ 61.215343] RDX: 0000000000000000 RSI: ffffffff8165eaf5 RDI: 0000000000000005 [ 61.215352] RBP: ffff8881b01878e0 R08: ffff8881abd72700 R09: ffffed103b5e3ef8 [ 61.215361] R10: ffffed103b5e3ef8 R11: ffff8881daf1f7c7 R12: 0000000000000000 [ 61.215370] R13: ffff8881abf02890 R14: ffffffff887c3be0 R15: ffff8881abf02880 [ 61.215393] ? vprintk_func+0x85/0x181 [ 61.215410] ? sysfs_remove_group+0x15b/0x1b0 [ 61.215429] dpm_sysfs_add+0x1cf/0x210 [ 61.215448] device_add+0x8d8/0x18e0 [ 61.219266] kobject: 'hci4' (00000000b7b152ea): fill_kobj_path: path = '/devices/virtual/bluetooth/hci4' [ 61.223137] ? get_device_parent.isra.25+0x5a0/0x5a0 [ 61.223161] ? dev_set_name+0xad/0xe0 [ 61.223179] ? device_initialize+0x5f0/0x5f0 [ 61.239563] kobject: 'hci5' (0000000072db0368): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 61.240982] ? start_creating+0x171/0x200 [ 61.246449] kobject: 'hci3' (00000000de75fad9): kobject_uevent_env [ 61.248561] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 61.248585] hci_register_dev+0x3b3/0x9c0 [ 61.248605] ? _copy_from_iter_full+0x2d8/0xce0 [ 61.256488] kobject: 'hci1' (000000005f181f76): kobject_uevent_env [ 61.259414] ? hci_conn_params_free+0x810/0x810 [ 61.259435] ? iov_iter_advance+0x13f0/0x13f0 [ 61.259455] __vhci_create_device+0x2c1/0x580 [ 61.267309] kobject: 'hci5' (0000000072db0368): kobject_uevent_env [ 61.267989] vhci_write+0x2de/0x470 [ 61.278942] kobject: 'hci1' (000000005f181f76): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1' [ 61.296594] __vfs_write+0x6b8/0x9f0 [ 61.296629] ? kernel_read+0x120/0x120 [ 61.296656] ? __might_sleep+0x95/0x190 [ 61.296684] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 61.296699] ? __inode_security_revalidate+0xd9/0x120 [ 61.296718] ? selinux_file_permission+0x90/0x540 [ 61.296741] ? rw_verify_area+0x118/0x360 [ 61.302469] kobject: 'hci2' (000000008e0439e5): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 61.309366] vfs_write+0x1fc/0x560 [ 61.309388] ksys_write+0x101/0x260 [ 61.309406] ? __ia32_sys_read+0xb0/0xb0 [ 61.309429] ? trace_hardirqs_off_caller+0x310/0x310 [ 61.324842] kobject: 'hci3' (00000000de75fad9): fill_kobj_path: path = '/devices/virtual/bluetooth/hci3' [ 61.331235] __x64_sys_write+0x73/0xb0 [ 61.331254] do_syscall_64+0x1b9/0x820 [ 61.331274] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 61.339986] kobject: 'rfkill466' (000000008955fb87): kobject_add_internal: parent: 'hci4', set: 'devices' [ 61.342415] ? syscall_return_slowpath+0x5e0/0x5e0 [ 61.342429] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.342448] ? trace_hardirqs_on_caller+0x310/0x310 [ 61.342463] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 61.354606] kobject: 'hci5' (0000000072db0368): fill_kobj_path: path = '/devices/virtual/bluetooth/hci5' [ 61.364185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.364201] ? prepare_exit_to_usermode+0x291/0x3b0 [ 61.364221] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.364241] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.364253] RIP: 0033:0x440e49 [ 61.364270] 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 [ 61.374453] kobject: 'rfkill466' (000000008955fb87): kobject_uevent_env [ 61.377563] RSP: 002b:00007ffd93629a18 EFLAGS: 00000213 ORIG_RAX: 0000000000000001 [ 61.377577] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440e49 [ 61.377586] RDX: 0000000000000002 RSI: 00000000200000c0 RDI: 0000000000000003 [ 61.377595] RBP: 0000000000000000 R08: 00000000004002c8 R09: 00000000004002c8 [ 61.377609] R10: 0000000000ddb880 R11: 0000000000000213 R12: 000000000000ee45 [ 61.388666] kobject: 'hci2' (000000008e0439e5): kobject_uevent_env [ 61.391438] R13: 0000000000401d70 R14: 0000000000000000 R15: 0000000000000000 [ 61.398636] Kernel Offset: disabled [ 61.674055] Rebooting in 86400 seconds..