Warning: Permanently added '10.128.1.156' (ED25519) to the list of known hosts. 2026/09/28 23:53:32 parsed 1 programs 2026/09/28 23:53:32 serving rpc on tcp://44271 [ 71.935136][ T5622] cgroup: Unknown subsys name 'net' [ 72.044358][ T5622] cgroup: Unknown subsys name 'cpuset' [ 72.053381][ T5622] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 73.416193][ T5622] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 76.221979][ T5629] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 77.673389][ T5656] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.673969][ T5656] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.674055][ T5656] bridge_slave_0: entered allmulticast mode [ 77.675113][ T5656] bridge_slave_0: entered promiscuous mode [ 77.678360][ T5656] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.678464][ T5656] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.678571][ T5656] bridge_slave_1: entered allmulticast mode [ 77.680076][ T5656] bridge_slave_1: entered promiscuous mode [ 77.741497][ T5656] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.743531][ T5656] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.765767][ T5656] team0: Port device team_slave_0 added [ 77.768549][ T5656] team0: Port device team_slave_1 added [ 77.788507][ T5656] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.788519][ T5656] 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 1532 would solve the problem. [ 77.788532][ T5656] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.790719][ T5656] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.790733][ T5656] 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 1532 would solve the problem. [ 77.790755][ T5656] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.834492][ T5656] hsr_slave_0: entered promiscuous mode [ 77.835706][ T5656] hsr_slave_1: entered promiscuous mode [ 77.999420][ T5656] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.009293][ T5656] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 78.010156][ T5656] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.022413][ T5656] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 78.023700][ T5656] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.028781][ T5656] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 78.030242][ T5656] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.035407][ T5656] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 78.068349][ T5656] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.068429][ T5656] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.068918][ T5656] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.068983][ T5656] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.130745][ T5656] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.145724][ T1119] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.147138][ T1119] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.155787][ T5656] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.167274][ T1119] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.167486][ T1119] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.184764][ T1220] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.184867][ T1220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.492210][ T5656] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.530008][ T5656] veth0_vlan: entered promiscuous mode [ 78.538093][ T5656] veth1_vlan: entered promiscuous mode [ 78.564398][ T5656] veth0_macvtap: entered promiscuous mode [ 78.567346][ T5656] veth1_macvtap: entered promiscuous mode [ 78.585158][ T5656] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.593720][ T5656] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.651593][ T1119] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.651639][ T1119] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.651671][ T1119] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.651703][ T1119] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.833021][ T1220] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.901961][ T1220] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.977387][ T1220] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.065125][ T1220] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 79.734780][ T1119] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.734802][ T1119] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.775673][ T1034] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.775696][ T1034] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.652659][ T5750] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.654971][ T5750] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.655764][ T5750] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.656718][ T5750] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.657444][ T5750] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 80.974697][ T1220] bridge_slave_1: left allmulticast mode [ 80.974736][ T1220] bridge_slave_1: left promiscuous mode [ 80.975554][ T1220] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.997915][ T1220] bridge_slave_0: left allmulticast mode [ 80.997944][ T1220] bridge_slave_0: left promiscuous mode [ 80.998185][ T1220] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.118035][ T1220] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 81.120459][ T1220] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 81.154492][ T1220] bond0 (unregistering): Released all slaves [ 81.266244][ T1220] hsr_slave_0: left promiscuous mode [ 81.267481][ T1220] hsr_slave_1: left promiscuous mode [ 81.269510][ T1220] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 81.269541][ T1220] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 81.301893][ T1220] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 81.301916][ T1220] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 81.356818][ T1220] veth1_macvtap: left promiscuous mode [ 81.356895][ T1220] veth0_macvtap: left promiscuous mode [ 81.357049][ T1220] veth1_vlan: left promiscuous mode [ 81.357130][ T1220] veth0_vlan: left promiscuous mode 2026/09/28 23:53:45 executed programs: 0 [ 82.043740][ T1220] team0 (unregistering): Port device team_slave_1 removed [ 82.068610][ T1220] team0 (unregistering): Port device team_slave_0 removed [ 82.130288][ T4926] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.139027][ T4926] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.147180][ T4926] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.149528][ T4926] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.150088][ T4926] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.299183][ T5271] 8021q: adding VLAN 0 to HW filter on device eth1 [ 83.175825][ T5271] 8021q: adding VLAN 0 to HW filter on device eth2 [ 83.704878][ T5781] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.705049][ T5781] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.705172][ T5781] bridge_slave_0: entered allmulticast mode [ 83.711103][ T5781] bridge_slave_0: entered promiscuous mode [ 83.734849][ T5781] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.735032][ T5781] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.735183][ T5781] bridge_slave_1: entered allmulticast mode [ 83.737582][ T5781] bridge_slave_1: entered promiscuous mode [ 83.870453][ T5781] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.873808][ T5781] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.903822][ T5781] team0: Port device team_slave_0 added [ 83.908076][ T5781] team0: Port device team_slave_1 added [ 83.935641][ T5781] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 83.935657][ T5781] 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 1532 would solve the problem. [ 83.935681][ T5781] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 83.938369][ T5781] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 83.938383][ T5781] 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 1532 would solve the problem. [ 83.938407][ T5781] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.986006][ T5781] hsr_slave_0: entered promiscuous mode [ 83.987013][ T5781] hsr_slave_1: entered promiscuous mode [ 84.160125][ T5271] 8021q: adding VLAN 0 to HW filter on device eth3 [ 84.223140][ T5750] Bluetooth: hci0: command tx timeout [ 84.594606][ T5781] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.600117][ T5781] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 84.615533][ T5781] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.627970][ T5781] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 84.629137][ T5781] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.648643][ T5781] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 84.650551][ T5781] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.672279][ T5781] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 84.774653][ T5781] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.802759][ T5781] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.808977][ T1094] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.809094][ T1094] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.844222][ T1034] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.844323][ T1034] bridge0: port 2(bridge_slave_1) entered forwarding state [ 85.361228][ T5781] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 85.441588][ T5781] veth0_vlan: entered promiscuous mode [ 85.449307][ T5781] veth1_vlan: entered promiscuous mode [ 85.509908][ T5781] veth0_macvtap: entered promiscuous mode [ 85.527378][ T5781] veth1_macvtap: entered promiscuous mode [ 85.548974][ T5781] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.566694][ T5781] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.591729][ T1094] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.591878][ T1094] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.591911][ T1094] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.656613][ T1220] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.710193][ T1220] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.710215][ T1220] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.767224][ T1094] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.767247][ T1094] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.889773][ T5891] loop0: detected capacity change from 0 to 512 [ 85.890809][ T5891] ======================================================= [ 85.890809][ T5891] WARNING: The mand mount option has been deprecated and [ 85.890809][ T5891] and is ignored by this kernel. Remove the mand [ 85.890809][ T5891] option from the mount to silence this warning. [ 85.890809][ T5891] ======================================================= [ 85.946888][ T5891] EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled [ 85.965705][ T5891] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 85.965725][ T5891] [EXT4 FS bs=4096, gc=1, bpg=32768, ipg=32, mo=e040e028, mo2=0002] [ 85.965819][ T5891] System zones: 0-1, 15-15, 18-18, 34-34 [ 85.966091][ T5891] EXT4-fs (loop0): orphan cleanup on readonly fs [ 85.966289][ T5891] Quota error (device loop0): v2_read_header: Failed header read: expected=8 got=0 [ 85.966359][ T5891] EXT4-fs warning (device loop0): ext4_enable_quotas:7304: Failed to enable quota tracking (type=1, err=-22, ino=4). Please run e2fsck to fix. [ 85.966383][ T5891] EXT4-fs (loop0): Cannot turn on quotas: error -22 [ 86.039733][ T5891] EXT4-fs error (device loop0): ext4_validate_block_bitmap:445: comm syz.0.17: bg 0: block 40: padding at end of block bitmap is not set [ 86.039906][ T5891] loop0: lost filesystem error report for type 5 error -117 [ 86.055228][ C0] EXT4-fs (loop0): error count since last fsck: 1 [ 86.055253][ C0] EXT4-fs (loop0): initial error at time 1790639629: ext4_validate_block_bitmap:445 [ 86.055275][ C0] EXT4-fs (loop0): last error at time 1790639629: ext4_validate_block_bitmap:445 [ 86.070941][ T5891] EXT4-fs (loop0): Remounting filesystem read-only [ 86.077631][ T5891] EXT4-fs (loop0): 1 truncate cleaned up [ 86.088155][ T5891] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: writeback. [ 86.120639][ T5891] [ 86.122999][ T5891] ====================================================== [ 86.130015][ T5891] WARNING: possible circular locking dependency detected [ 86.137056][ T5891] syzkaller #0 Not tainted [ 86.141479][ T5891] ------------------------------------------------------ [ 86.148499][ T5891] syz.0.17/5891 is trying to acquire lock: [ 86.154311][ T5891] ffff888071371eb0 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: lookup_slow+0x46/0x80 [ 86.163890][ T5891] [ 86.163890][ T5891] but task is already holding lock: [ 86.171250][ T5891] ffff888058630e00 (DCACHE_PAR_LOOKUP){+.+.}-{0:0}, at: __d_alloc_parallel+0x39e/0x1700 [ 86.181000][ T5891] [ 86.181000][ T5891] which lock already depends on the new lock. [ 86.181000][ T5891] [ 86.191387][ T5891] [ 86.191387][ T5891] the existing dependency chain (in reverse order) is: [ 86.200476][ T5891] [ 86.200476][ T5891] -> #1 (DCACHE_PAR_LOOKUP){+.+.}-{0:0}: [ 86.208297][ T5891] __d_alloc_parallel+0xc32/0x1700 [ 86.213946][ T5891] __lookup_slow+0x82/0x2f0 [ 86.218976][ T5891] lookup_slow+0x59/0x80 [ 86.223735][ T5891] path_lookupat+0x3f5/0x8c0 [ 86.228838][ T5891] filename_lookup+0x265/0x5d0 [ 86.234113][ T5891] do_faccessat+0x56c/0xd70 [ 86.239144][ T5891] __x64_sys_access+0x61/0x70 [ 86.244337][ T5891] do_syscall_64+0x166/0x520 [ 86.249442][ T5891] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.255847][ T5891] [ 86.255847][ T5891] -> #0 (&type->i_mutex_dir_key#3){++++}-{4:4}: [ 86.264279][ T5891] __lock_acquire+0x164c/0x2de0 [ 86.269650][ T5891] lock_acquire+0x115/0x350 [ 86.274666][ T5891] down_read+0x45/0x320 [ 86.279336][ T5891] lookup_slow+0x46/0x80 [ 86.284093][ T5891] ovl_lookup_single+0x323/0xe90 [ 86.289547][ T5891] ovl_lookup_layer+0x377/0x440 [ 86.294907][ T5891] ovl_lookup+0x9ae/0x1c80 [ 86.299926][ T5891] __lookup_slow+0x1fb/0x2f0 [ 86.305029][ T5891] lookup_slow+0x59/0x80 [ 86.309815][ T5891] path_lookupat+0x3f5/0x8c0 [ 86.314914][ T5891] filename_lookup+0x265/0x5d0 [ 86.320192][ T5891] user_path_at+0x40/0x160 [ 86.325122][ T5891] __se_sys_mount+0x2dc/0x420 [ 86.330310][ T5891] do_syscall_64+0x166/0x520 [ 86.335412][ T5891] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.341811][ T5891] [ 86.341811][ T5891] other info that might help us debug this: [ 86.341811][ T5891] [ 86.352020][ T5891] Possible unsafe locking scenario: [ 86.352020][ T5891] [ 86.359493][ T5891] CPU0 CPU1 [ 86.364863][ T5891] ---- ---- [ 86.370220][ T5891] lock(DCACHE_PAR_LOOKUP); [ 86.374806][ T5891] lock(&type->i_mutex_dir_key#3); [ 86.382518][ T5891] lock(DCACHE_PAR_LOOKUP); [ 86.389652][ T5891] rlock(&type->i_mutex_dir_key#3); [ 86.395110][ T5891] [ 86.395110][ T5891] *** DEADLOCK *** [ 86.395110][ T5891] [ 86.403248][ T5891] locks held by syz.0.17/5891: 2, last CPU#1: [ 86.409305][ T5891] #0: ffff8880769bb298 (&ovl_i_mutex_dir_key[depth]){.+.+}-{4:4}, at: lookup_slow+0x46/0x80 [ 86.419497][ T5891] #1: ffff888058630e00 (DCACHE_PAR_LOOKUP){+.+.}-{0:0}, at: __d_alloc_parallel+0x39e/0x1700 [ 86.429684][ T5891] [ 86.429684][ T5891] stack backtrace: [ 86.435590][ T5891] CPU: 1 UID: 0 PID: 5891 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) [ 86.444685][ T5891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 86.454744][ T5891] Call Trace: [ 86.458012][ T5891] [ 86.460935][ T5891] dump_stack_lvl+0xe8/0x150 [ 86.465541][ T5891] print_circular_bug+0x2e2/0x300 [ 86.470584][ T5891] check_noncircular+0x12f/0x150 [ 86.475544][ T5891] __lock_acquire+0x164c/0x2de0 [ 86.480404][ T5891] ? lock_acquire+0x115/0x350 [ 86.485097][ T5891] lock_acquire+0x115/0x350 [ 86.489600][ T5891] ? lookup_slow+0x46/0x80 [ 86.494019][ T5891] down_read+0x45/0x320 [ 86.498169][ T5891] ? lookup_slow+0x46/0x80 [ 86.502575][ T5891] ? d_lookup+0x8a/0xa0 [ 86.506728][ T5891] lookup_slow+0x46/0x80 [ 86.510961][ T5891] ovl_lookup_single+0x323/0xe90 [ 86.515896][ T5891] ? __pfx_ovl_lookup_single+0x10/0x10 [ 86.521431][ T5891] ? rcu_is_watching+0x16/0xb0 [ 86.526201][ T5891] ovl_lookup_layer+0x377/0x440 [ 86.531038][ T5891] ? __kmalloc_noprof+0x387/0x710 [ 86.536065][ T5891] ? ovl_lookup+0x762/0x1c80 [ 86.540651][ T5891] ovl_lookup+0x9ae/0x1c80 [ 86.545071][ T5891] ? lock_acquire+0x115/0x350 [ 86.549772][ T5891] ? __pfx_ovl_lookup+0x10/0x10 [ 86.554641][ T5891] ? __pfx___d_alloc_parallel+0x10/0x10 [ 86.560196][ T5891] ? lock_acquire+0x115/0x350 [ 86.564889][ T5891] __lookup_slow+0x1fb/0x2f0 [ 86.569475][ T5891] lookup_slow+0x59/0x80 [ 86.573713][ T5891] path_lookupat+0x3f5/0x8c0 [ 86.578304][ T5891] filename_lookup+0x265/0x5d0 [ 86.583063][ T5891] ? __pfx_filename_lookup+0x10/0x10 [ 86.588356][ T5891] ? strncpy_from_user+0x150/0x2c0 [ 86.593483][ T5891] ? do_getname+0x151/0x250 [ 86.597986][ T5891] user_path_at+0x40/0x160 [ 86.602403][ T5891] __se_sys_mount+0x2dc/0x420 [ 86.607077][ T5891] ? __pfx___se_sys_mount+0x10/0x10 [ 86.612267][ T5891] ? __x64_sys_mount+0x20/0xc0 [ 86.617025][ T5891] do_syscall_64+0x166/0x520 [ 86.621612][ T5891] ? trace_irq_disable+0x3b/0x140 [ 86.626807][ T5891] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.632863][ T5891] ? clear_bhb_loop+0x70/0xc0 [ 86.637535][ T5891] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 86.643419][ T5891] RIP: 0033:0x7f7d4479e159 [ 86.647848][ T5891] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 86.667445][ T5891] RSP: 002b:00007f7d455f6028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.675854][ T5891] RAX: ffffffffffffffda RBX: 00007f7d44a25fa0 RCX: 00007f7d4479e159 [ 86.683818][ T5891] RDX: 0000000000000000 RSI: 0000200000000100 RDI: 0000000000000000 [ 86.691780][ T5891] RBP: 00007f7d4483506b R08: 0000000000000000 R09: 0000000000000000 [ 86.699738][ T5891] R10: 0000000000032048 R11: 0000000000000246 R12: 0000000000000000 [ 86.707698][ T5891] R13: 00007f7d44a26038 R14: 00007f7d44a25fa0 R15: 00007fff53a7ac18 [ 86.715667][ T5891] [ 86.736352][ T5750] Bluetooth: hci0: command tx timeout [ 86.784546][ T1208] cfg80211: failed to load regulatory.db