no interfaces have a carrier [ 39.552254][ T5454] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.565208][ T5454] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.168' (ED25519) to the list of known hosts. 2025/10/29 02:07:10 parsed 1 programs syzkaller login: [ 65.029188][ T5788] cgroup: Unknown subsys name 'net' [ 65.160794][ T5788] cgroup: Unknown subsys name 'rlimit' [ 66.533724][ T5788] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 68.780676][ T5816] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.789687][ T5816] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.799375][ T5816] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.807771][ T5816] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.815613][ T5816] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.822897][ T5816] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.100346][ T79] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.108730][ T79] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 70.152307][ T42] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 70.160223][ T42] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 71.065925][ T5861] chnl_net:caif_netlink_parms(): no params data found [ 71.155307][ T5861] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.163056][ T5861] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.170693][ T5861] bridge_slave_0: entered allmulticast mode [ 71.177920][ T5861] bridge_slave_0: entered promiscuous mode [ 71.186179][ T5861] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.193251][ T5861] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.202070][ T5861] bridge_slave_1: entered allmulticast mode [ 71.209381][ T5861] bridge_slave_1: entered promiscuous mode [ 71.243546][ T5861] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.257692][ T5861] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.298483][ T5861] team0: Port device team_slave_0 added [ 71.310602][ T5861] team0: Port device team_slave_1 added [ 71.331896][ T5861] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 71.342085][ T5861] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.368215][ T5861] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 71.383083][ T5861] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 71.390589][ T5861] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 71.416650][ T5861] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 71.464545][ T5861] hsr_slave_0: entered promiscuous mode [ 71.471285][ T5861] hsr_slave_1: entered promiscuous mode [ 71.500459][ T1284] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.507118][ T1284] ieee802154 phy1 wpan1: encryption failed: -22 [ 71.636192][ T5861] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 71.648856][ T5861] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 71.662899][ T5861] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 71.675118][ T5861] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 71.721985][ T5861] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.729231][ T5861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.737558][ T5861] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.744765][ T5861] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.826638][ T5861] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.855752][ T5861] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.877630][ T42] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.888055][ T42] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.906669][ T42] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.913805][ T42] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.933194][ T79] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.940378][ T79] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.159890][ T5861] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.197385][ T5861] veth0_vlan: entered promiscuous mode [ 72.207338][ T5861] veth1_vlan: entered promiscuous mode [ 72.236352][ T5861] veth0_macvtap: entered promiscuous mode [ 72.245510][ T5861] veth1_macvtap: entered promiscuous mode [ 72.267293][ T5861] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 72.279629][ T5861] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 72.291785][ T5861] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.301011][ T5861] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.311246][ T5861] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.320079][ T5861] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 72.442180][ T5861] syz-executor (5861) used greatest stack depth: 20840 bytes left [ 72.721417][ T49] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/10/29 02:07:19 executed programs: 0 [ 72.919596][ T5104] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 72.927428][ T5104] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 72.937298][ T5104] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 72.947242][ T5104] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 72.955342][ T5104] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 72.962607][ T5104] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 73.081442][ T5896] chnl_net:caif_netlink_parms(): no params data found [ 73.139283][ T5896] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.146757][ T5896] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.154239][ T5896] bridge_slave_0: entered allmulticast mode [ 73.161033][ T5896] bridge_slave_0: entered promiscuous mode [ 73.169063][ T5896] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.176321][ T5896] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.183431][ T5896] bridge_slave_1: entered allmulticast mode [ 73.190574][ T5896] bridge_slave_1: entered promiscuous mode [ 73.220691][ T5896] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.232548][ T5896] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.264288][ T5896] team0: Port device team_slave_0 added [ 73.273279][ T5896] team0: Port device team_slave_1 added [ 73.300155][ T5896] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.307263][ T5896] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 73.333478][ T5896] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.346352][ T5896] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.353301][ T5896] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 73.379263][ T5896] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.418902][ T5896] hsr_slave_0: entered promiscuous mode [ 73.425492][ T5896] hsr_slave_1: entered promiscuous mode [ 73.431559][ T5896] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 73.439942][ T5896] Cannot create hsr debugfs directory [ 75.014583][ T5104] Bluetooth: hci0: command tx timeout [ 75.134916][ T49] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.104412][ T5104] Bluetooth: hci0: command tx timeout [ 77.673856][ T49] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 77.749165][ T49] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.625033][ T5896] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.634933][ T5896] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.645725][ T5896] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.662581][ T49] hsr_slave_0: left promiscuous mode [ 78.668965][ T49] hsr_slave_1: left promiscuous mode [ 78.675008][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 78.682412][ T49] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 78.691476][ T49] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 78.699871][ T49] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 78.707746][ T49] bridge_slave_1: left allmulticast mode [ 78.713380][ T49] bridge_slave_1: left promiscuous mode [ 78.719812][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.730278][ T49] bridge_slave_0: left allmulticast mode [ 78.737360][ T49] bridge_slave_0: left promiscuous mode [ 78.743028][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.761320][ T49] veth1_macvtap: left promiscuous mode [ 78.767280][ T49] veth0_macvtap: left promiscuous mode [ 78.772839][ T49] veth1_vlan: left promiscuous mode [ 78.778566][ T49] veth0_vlan: left promiscuous mode [ 79.108079][ T49] team0 (unregistering): Port device team_slave_1 removed [ 79.137319][ T49] team0 (unregistering): Port device team_slave_0 removed [ 79.165193][ T49] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.174623][ T5104] Bluetooth: hci0: command tx timeout [ 79.200990][ T49] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.473108][ T49] bond0 (unregistering): Released all slaves [ 79.557812][ T5896] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.647027][ T5896] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.663719][ T5896] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.676382][ T79] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.683549][ T79] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.703704][ T79] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.710874][ T79] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.911396][ T5896] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.958082][ T5896] veth0_vlan: entered promiscuous mode [ 79.968625][ T5896] veth1_vlan: entered promiscuous mode [ 79.993839][ T5896] veth0_macvtap: entered promiscuous mode [ 80.002315][ T5896] veth1_macvtap: entered promiscuous mode [ 80.018591][ T5896] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 80.030792][ T5896] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 80.046692][ T5896] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.056645][ T5896] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.065457][ T5896] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.077138][ T5896] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 80.127352][ T42] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.135300][ T42] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.167273][ T59] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 80.175439][ T59] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.226183][ T5945] syz.0.17[5945]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 80.400479][ T5945] loop0: detected capacity change from 0 to 32768 [ 80.408999][ T5945] ======================================================= [ 80.408999][ T5945] WARNING: The mand mount option has been deprecated and [ 80.408999][ T5945] and is ignored by this kernel. Remove the mand [ 80.408999][ T5945] option from the mount to silence this warning. [ 80.408999][ T5945] ======================================================= [ 80.478942][ T5945] ocfs2: Mounting device (7,0) on (node local, slot 0) with writeback data mode. [ 80.580995][ T5896] [ 80.583367][ T5896] ====================================================== [ 80.590387][ T5896] WARNING: possible circular locking dependency detected [ 80.597414][ T5896] syzkaller #0 Not tainted [ 80.601831][ T5896] ------------------------------------------------------ [ 80.608848][ T5896] syz-executor/5896 is trying to acquire lock: [ 80.615000][ T5896] ffff888072335118 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: __ocfs2_flush_truncate_log+0x351/0x10b0 [ 80.628166][ T5896] [ 80.628166][ T5896] but task is already holding lock: [ 80.635526][ T5896] ffff88807233b498 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: ocfs2_flush_truncate_log+0x47/0x60 [ 80.648241][ T5896] [ 80.648241][ T5896] which lock already depends on the new lock. [ 80.648241][ T5896] [ 80.658641][ T5896] [ 80.658641][ T5896] the existing dependency chain (in reverse order) is: [ 80.667648][ T5896] [ 80.667648][ T5896] -> #1 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}: [ 80.678178][ T5896] down_write+0x97/0x1f0 [ 80.682945][ T5896] __ocfs2_move_extents_range+0x1a65/0x3360 [ 80.689361][ T5896] ocfs2_move_extents+0x379/0x940 [ 80.694894][ T5896] ocfs2_ioctl_move_extents+0x4e1/0x6c0 [ 80.700943][ T5896] ocfs2_ioctl+0x195/0x750 [ 80.705862][ T5896] __se_sys_ioctl+0xfd/0x170 [ 80.710953][ T5896] do_syscall_64+0x55/0xb0 [ 80.715874][ T5896] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 80.722268][ T5896] [ 80.722268][ T5896] -> #0 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}: [ 80.732765][ T5896] __lock_acquire+0x2ddb/0x7c80 [ 80.738118][ T5896] lock_acquire+0x197/0x410 [ 80.743125][ T5896] down_write+0x97/0x1f0 [ 80.747875][ T5896] __ocfs2_flush_truncate_log+0x351/0x10b0 [ 80.754183][ T5896] ocfs2_flush_truncate_log+0x4f/0x60 [ 80.760055][ T5896] ocfs2_sync_fs+0x117/0x310 [ 80.765146][ T5896] sync_filesystem+0x1c2/0x220 [ 80.770428][ T5896] generic_shutdown_super+0x6f/0x2b0 [ 80.776222][ T5896] kill_block_super+0x44/0x90 [ 80.781398][ T5896] deactivate_locked_super+0x97/0x100 [ 80.787276][ T5896] cleanup_mnt+0x429/0x4c0 [ 80.792192][ T5896] task_work_run+0x1ce/0x250 [ 80.797286][ T5896] exit_to_user_mode_loop+0xe6/0x110 [ 80.803075][ T5896] exit_to_user_mode_prepare+0xf6/0x180 [ 80.809125][ T5896] syscall_exit_to_user_mode+0x1a/0x50 [ 80.815088][ T5896] do_syscall_64+0x61/0xb0 [ 80.820009][ T5896] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 80.826404][ T5896] [ 80.826404][ T5896] other info that might help us debug this: [ 80.826404][ T5896] [ 80.836615][ T5896] Possible unsafe locking scenario: [ 80.836615][ T5896] [ 80.844045][ T5896] CPU0 CPU1 [ 80.849431][ T5896] ---- ---- [ 80.854778][ T5896] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); [ 80.862048][ T5896] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); [ 80.871836][ T5896] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5); [ 80.881626][ T5896] lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); [ 80.888894][ T5896] [ 80.888894][ T5896] *** DEADLOCK *** [ 80.888894][ T5896] [ 80.897024][ T5896] 2 locks held by syz-executor/5896: [ 80.902287][ T5896] #0: ffff88807c40c0e0 (&type->s_umount_key#56){+.+.}-{3:3}, at: deactivate_super+0xa4/0xe0 [ 80.912457][ T5896] #1: ffff88807233b498 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#5){+.+.}-{3:3}, at: ocfs2_flush_truncate_log+0x47/0x60 [ 80.925577][ T5896] [ 80.925577][ T5896] stack backtrace: [ 80.931461][ T5896] CPU: 1 PID: 5896 Comm: syz-executor Not tainted syzkaller #0 [ 80.938985][ T5896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 80.949029][ T5896] Call Trace: [ 80.952292][ T5896] [ 80.955217][ T5896] dump_stack_lvl+0x16c/0x230 [ 80.959881][ T5896] ? load_image+0x3b0/0x3b0 [ 80.964369][ T5896] ? show_regs_print_info+0x20/0x20 [ 80.969554][ T5896] ? print_circular_bug+0x12b/0x1a0 [ 80.974740][ T5896] check_noncircular+0x2bd/0x3c0 [ 80.979675][ T5896] ? print_deadlock_bug+0x5d0/0x5d0 [ 80.984859][ T5896] ? lockdep_lock+0xe0/0x220 [ 80.989436][ T5896] ? _find_first_zero_bit+0xd3/0x100 [ 80.994710][ T5896] __lock_acquire+0x2ddb/0x7c80 [ 80.999562][ T5896] ? ocfs2_get_system_file_inode+0x1e3/0x7b0 [ 81.005532][ T5896] ? __lock_acquire+0x7c80/0x7c80 [ 81.010542][ T5896] ? verify_lock_unused+0x140/0x140 [ 81.015726][ T5896] ? __mutex_unlock_slowpath+0x1a2/0x6a0 [ 81.021345][ T5896] ? do_raw_spin_lock+0x121/0x2c0 [ 81.026353][ T5896] ? mutex_unlock+0x10/0x10 [ 81.030843][ T5896] lock_acquire+0x197/0x410 [ 81.035341][ T5896] ? __ocfs2_flush_truncate_log+0x351/0x10b0 [ 81.041351][ T5896] ? ocfs2_get_system_file_inode+0x1f1/0x7b0 [ 81.047321][ T5896] ? __might_sleep+0xe0/0xe0 [ 81.051894][ T5896] ? read_lock_is_recursive+0x20/0x20 [ 81.057248][ T5896] ? ocfs2_fast_symlink_read_folio+0x530/0x530 [ 81.063388][ T5896] ? __wake_up+0x11f/0x190 [ 81.067791][ T5896] down_write+0x97/0x1f0 [ 81.072020][ T5896] ? __ocfs2_flush_truncate_log+0x351/0x10b0 [ 81.077985][ T5896] ? down_read_killable+0x340/0x340 [ 81.083167][ T5896] ? _raw_write_unlock+0x28/0x40 [ 81.088085][ T5896] ? jbd2_journal_unlock_updates+0x84/0xe0 [ 81.093873][ T5896] __ocfs2_flush_truncate_log+0x351/0x10b0 [ 81.099671][ T5896] ? ocfs2_truncate_log_needs_flush+0x2e0/0x2e0 [ 81.105898][ T5896] ? read_lock_is_recursive+0x20/0x20 [ 81.111258][ T5896] ? down_write+0x162/0x1f0 [ 81.115747][ T5896] ? down_read_killable+0x340/0x340 [ 81.120928][ T5896] ? __rwlock_init+0x150/0x150 [ 81.125678][ T5896] ocfs2_flush_truncate_log+0x4f/0x60 [ 81.131030][ T5896] ocfs2_sync_fs+0x117/0x310 [ 81.135613][ T5896] ? ocfs2_put_super+0x1c0/0x1c0 [ 81.140535][ T5896] ? writeback_inodes_sb_nr+0x30/0x30 [ 81.145893][ T5896] ? get_nr_dirty_inodes+0x1d4/0x220 [ 81.151157][ T5896] sync_filesystem+0x1c2/0x220 [ 81.155913][ T5896] generic_shutdown_super+0x6f/0x2b0 [ 81.161184][ T5896] kill_block_super+0x44/0x90 [ 81.165839][ T5896] deactivate_locked_super+0x97/0x100 [ 81.171197][ T5896] cleanup_mnt+0x429/0x4c0 [ 81.175596][ T5896] task_work_run+0x1ce/0x250 [ 81.180171][ T5896] ? task_work_cancel+0x240/0x240 [ 81.185181][ T5896] ? exit_to_user_mode_loop+0x3b/0x110 [ 81.190627][ T5896] exit_to_user_mode_loop+0xe6/0x110 [ 81.195900][ T5896] exit_to_user_mode_prepare+0xf6/0x180 [ 81.201430][ T5896] syscall_exit_to_user_mode+0x1a/0x50 [ 81.206871][ T5896] do_syscall_64+0x61/0xb0 [ 81.211274][ T5896] ? clear_bhb_loop+0x40/0x90 [ 81.215933][ T5896] ? clear_bhb_loop+0x40/0x90 [ 81.220589][ T5896] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 81.226465][ T5896] RIP: 0033:0x7f7fb17902f7 [ 81.230872][ T5896] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 [ 81.250460][ T5896] RSP: 002b:00007fff1df81718 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 81.258856][ T5896] RAX: 0000000000000000 RBX: 00007f7fb1811d7d RCX: 00007f7fb17902f7 [ 81.266807][ T5896] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff1df817d0 [ 81.274760][ T5896] RBP: 00007fff1df817d0 R08: 0000000000000000 R09: 0000000000000000 [ 81.282798][ T5896] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff1df82860 [ 81.290768][ T5896] R13: 00007f7fb1811d7d R14: 0000000000013a7e R15: 00007fff1df828a0 [ 81.298749][ T5896] [ 81.317495][ T5104] Bluetooth: hci0: command tx timeout [ 81.333108][ T5896] ocfs2: Unmounting device (7,0) on (node local)