[ 61.025548][ T24] audit: type=1800 audit(1561878314.858:30): pid=8985 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 65.394235][ T24] kauditd_printk_skb: 4 callbacks suppressed [ 65.394249][ T24] audit: type=1400 audit(1561878319.268:35): avc: denied { map } for pid=9164 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 Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 71.818096][ T24] audit: type=1400 audit(1561878325.688:36): avc: denied { map } for pid=9176 comm="syz-executor479" path="/root/syz-executor479280236" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.411570][ T9608] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program [ 75.455882][ T9611] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 75.465486][ T9608] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program executing program executing program [ 75.533706][ T9611] 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 [ 77.293003][ T9813] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 77.320285][ T9813] 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 [ 77.346544][ T9817] kobject_add_internal failed for hci6 (error: -2 parent: bluetooth) [ 77.386301][ T9817] 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 [ 78.092170][ T9905] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 78.106194][ T9906] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program [ 78.146858][ T9905] Bluetooth: Can't register HCI device [ 78.164006][ T9906] 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 [ 78.995361][T10001] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) [ 79.003949][T10002] kobject_add_internal failed for hci2 (error: -2 parent: bluetooth) [ 79.012580][T10003] kobject_add_internal failed for hci4 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program [ 79.044522][T10001] Bluetooth: Can't register HCI device [ 79.052699][T10002] Bluetooth: Can't register HCI device [ 79.062618][T10003] Bluetooth: Can't register HCI device executing program executing program executing program executing program executing program [ 79.094993][T10008] kobject_add_internal failed for hci3 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 79.188122][T10008] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 82.222833][T10358] kobject_add_internal failed for hci1 (error: -2 parent: bluetooth) executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 82.273206][T10358] 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 [ 82.736148][T10417] WARNING: CPU: 0 PID: 10417 at fs/kernfs/dir.c:493 kernfs_get.part.0+0x73/0x90 [ 82.745333][T10417] Kernel panic - not syncing: panic_on_warn set ... [ 82.752022][T10417] CPU: 0 PID: 10417 Comm: syz-executor479 Not tainted 5.2.0-rc6+ #38 [ 82.755304][T10416] kobject: 'bluetooth' (0000000040bf1061): kobject_add_internal: parent: 'virtual', set: '(null)' [ 82.760170][T10417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.760177][T10417] Call Trace: [ 82.760199][T10417] dump_stack+0x172/0x1f0 [ 82.760218][T10417] ? kernfs_unlink_sibling+0x100/0x170 [ 82.760235][T10417] panic+0x2cb/0x744 [ 82.760248][T10417] ? __warn_printk+0xf3/0xf3 [ 82.760264][T10417] ? kernfs_get.part.0+0x73/0x90 [ 82.760277][T10417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.760295][T10417] ? __warn.cold+0x5/0x4d [ 82.760305][T10417] ? __warn+0xe8/0x1d0 [ 82.760316][T10417] ? kernfs_get.part.0+0x73/0x90 [ 82.760327][T10417] __warn.cold+0x20/0x4d [ 82.801048][T10416] kobject: 'hci2' (0000000068206f14): kobject_add_internal: parent: 'bluetooth', set: 'devices' [ 82.803006][T10417] ? kernfs_get.part.0+0x73/0x90 [ 82.803027][T10417] report_bug+0x263/0x2b0 [ 82.803048][T10417] do_error_trap+0x11b/0x200 [ 82.803064][T10417] do_invalid_op+0x37/0x50 [ 82.803081][T10417] ? kernfs_get.part.0+0x73/0x90 [ 82.813906][T10416] kobject: 'hci2' (0000000068206f14): kobject_uevent_env [ 82.814227][T10417] invalid_op+0x14/0x20 [ 82.827073][T10416] kobject: 'hci2' (0000000068206f14): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 82.827528][T10417] RIP: 0010:kernfs_get.part.0+0x73/0x90 [ 82.840777][T10416] kobject: 'rfkill1198' (000000008ac088cf): kobject_add_internal: parent: 'hci2', set: 'devices' [ 82.842221][T10417] Code: e6 e8 f1 98 99 ff 45 85 e4 74 1a e8 67 97 99 ff be 04 00 00 00 48 89 df e8 2a 1f d2 ff f0 ff 03 5b 41 5c 5d c3 e8 4d 97 99 ff <0f> 0b eb dd 48 89 df e8 01 45 d2 ff eb c1 0f 1f 44 00 00 66 2e 0f [ 82.842229][T10417] RSP: 0018:ffff88808e887818 EFLAGS: 00010293 [ 82.842242][T10417] RAX: ffff8880906fe4c0 RBX: ffff8880a8decc40 RCX: ffffffff81d72bbf [ 82.842251][T10417] RDX: 0000000000000000 RSI: ffffffff81d72be3 RDI: 0000000000000005 [ 82.842260][T10417] RBP: ffff88808e887828 R08: ffff8880906fe4c0 R09: ffffed10151bd989 [ 82.842268][T10417] R10: ffffed10151bd988 R11: ffff8880a8decc43 R12: 0000000000000000 [ 82.842276][T10417] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88821bb10460 [ 82.842301][T10417] ? kernfs_get.part.0+0x4f/0x90 [ 82.842312][T10417] ? kernfs_get.part.0+0x73/0x90 [ 82.850262][T10416] kobject: 'rfkill1198' (000000008ac088cf): kobject_uevent_env [ 82.851605][T10417] ? kernfs_get.part.0+0x73/0x90 [ 82.851622][T10417] kernfs_new_node+0xb6/0x120 [ 82.851640][T10417] kernfs_create_dir_ns+0x52/0x160 [ 82.851658][T10417] sysfs_create_dir_ns+0x131/0x2a0 [ 82.851675][T10417] ? sysfs_create_mount_point+0xa0/0xa0 [ 82.861565][T10416] kobject: 'rfkill1198' (000000008ac088cf): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill1198' [ 82.865770][T10417] ? class_dir_child_ns_type+0xd/0x60 [ 82.865792][T10417] kobject_add_internal.cold+0x116/0x662 [ 82.865812][T10417] kobject_add+0x150/0x1c0 [ 82.865921][T10417] ? kset_create_and_add+0x1a0/0x1a0 [ 82.865939][T10417] ? kasan_check_read+0x11/0x20 [ 82.895898][T10416] kobject: 'rfkill1198' (000000008ac088cf): kobject_uevent_env [ 82.904395][T10417] ? mutex_unlock+0xd/0x10 [ 82.904411][T10417] ? device_add+0x2f1/0x17a0 [ 82.904430][T10417] device_add+0x3b7/0x17a0 [ 82.904447][T10417] ? get_device_parent.isra.0+0x560/0x560 [ 82.904462][T10417] ? start_creating+0x163/0x1e0 [ 82.904485][T10417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.973302][T10416] kobject: 'rfkill1198' (000000008ac088cf): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2/rfkill1198' [ 82.975851][T10417] hci_register_dev+0x2e8/0x860 [ 82.975877][T10417] __vhci_create_device+0x2d0/0x5a0 [ 82.975894][T10417] vhci_write+0x2d0/0x470 [ 82.975914][T10417] new_sync_write+0x4d3/0x770 [ 82.994477][T10416] kobject: 'rfkill1198' (000000008ac088cf): kobject_cleanup, parent 000000006e94d566 [ 82.998736][T10417] ? new_sync_read+0x800/0x800 [ 82.998760][T10417] ? avc_policy_seqno+0xd/0x70 [ 82.998777][T10417] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 82.998795][T10417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.998812][T10417] ? security_file_permission+0x8f/0x380 [ 82.998832][T10417] __vfs_write+0xe1/0x110 [ 83.012730][T10416] kobject: 'rfkill1198' (000000008ac088cf): calling ktype release [ 83.014652][T10417] vfs_write+0x20c/0x580 [ 83.014672][T10417] ksys_write+0x14f/0x290 [ 83.014688][T10417] ? __ia32_sys_read+0xb0/0xb0 [ 83.014703][T10417] ? do_syscall_64+0x26/0x680 [ 83.014723][T10417] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.050289][T10416] kobject: 'rfkill1198': free name [ 83.052369][T10417] ? do_syscall_64+0x26/0x680 [ 83.052392][T10417] __x64_sys_write+0x73/0xb0 [ 83.052409][T10417] do_syscall_64+0xfd/0x680 [ 83.052434][T10417] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.078849][T10416] kobject: 'hci2' (0000000068206f14): kobject_uevent_env [ 83.079268][T10417] RIP: 0033:0x441729 [ 83.092805][T10416] kobject: 'hci2' (0000000068206f14): fill_kobj_path: path = '/devices/virtual/bluetooth/hci2' [ 83.102938][T10417] Code: e8 7c e7 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 bb 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.102947][T10417] RSP: 002b:00007ffd3ed44e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 83.102962][T10417] RAX: ffffffffffffffda RBX: 00000000000142da RCX: 0000000000441729 [ 83.102970][T10417] RDX: 0000000000000002 RSI: 0000000020000000 RDI: 0000000000000003 [ 83.102978][T10417] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 83.102986][T10417] R10: 0000000000000004 R11: 0000000000000246 R12: 00000000000000c9 [ 83.102994][T10417] R13: 0000000000402400 R14: 0000000000000000 R15: 0000000000000000 [ 83.109606][T10417] Kernel Offset: disabled [ 83.328546][T10417] Rebooting in 86400 seconds..