no interfaces have a carrier [ 57.747028][ T5437] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.765119][ T5437] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. 2026/06/08 13:18:55 parsed 1 programs syzkaller login: [ 88.248214][ T5787] cgroup: Unknown subsys name 'net' [ 88.386472][ T5787] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 90.105663][ T5787] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 92.062775][ T972] cfg80211: failed to load regulatory.db [ 92.569232][ T5818] chnl_net:caif_netlink_parms(): no params data found [ 92.656743][ T5818] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.664606][ T5818] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.672200][ T5818] bridge_slave_0: entered allmulticast mode [ 92.679493][ T5818] bridge_slave_0: entered promiscuous mode [ 92.690043][ T5818] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.697969][ T5818] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.705226][ T5818] bridge_slave_1: entered allmulticast mode [ 92.713109][ T5818] bridge_slave_1: entered promiscuous mode [ 92.744380][ T5818] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.756903][ T5818] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.792559][ T5818] team0: Port device team_slave_0 added [ 92.801556][ T5818] team0: Port device team_slave_1 added [ 92.826840][ T5818] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.833970][ T5818] 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. [ 92.860096][ T5818] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.874892][ T5818] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.882116][ T5818] 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. [ 92.908112][ T5818] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.971670][ T5818] hsr_slave_0: entered promiscuous mode [ 92.980369][ T5818] hsr_slave_1: entered promiscuous mode [ 93.165987][ T5818] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.178143][ T5818] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.189170][ T5818] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.200669][ T5818] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.243318][ T5818] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.250664][ T5818] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.258910][ T5818] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.266055][ T5818] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.340630][ T5818] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.370362][ T4531] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.382152][ T4531] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.407941][ T5818] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.421973][ T4531] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.429199][ T4531] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.445148][ T3457] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.452387][ T3457] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.669111][ T5818] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.723717][ T5818] veth0_vlan: entered promiscuous mode [ 93.739329][ T5818] veth1_vlan: entered promiscuous mode [ 93.785812][ T5818] veth0_macvtap: entered promiscuous mode [ 93.801006][ T5818] veth1_macvtap: entered promiscuous mode [ 93.820199][ T5818] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.834581][ T5818] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.847882][ T5818] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.856813][ T5818] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.865735][ T5818] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 93.874961][ T5818] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 94.050197][ T71] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 95.399047][ T142] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.408019][ T142] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.442778][ T4531] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 95.452961][ T4531] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 95.828017][ T5868] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.836982][ T5868] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.845593][ T5868] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.854119][ T5868] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.862725][ T5868] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 95.870802][ T5868] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 96.370227][ T71] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2026/06/08 13:19:07 executed programs: 0 [ 97.532319][ T5087] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.540298][ T5087] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.549098][ T5087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.559709][ T5087] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.569099][ T5087] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 97.576549][ T5087] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.734575][ T5893] chnl_net:caif_netlink_parms(): no params data found [ 97.808648][ T5893] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.815889][ T5893] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.823813][ T5893] bridge_slave_0: entered allmulticast mode [ 97.831368][ T5893] bridge_slave_0: entered promiscuous mode [ 97.840929][ T5893] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.848559][ T5893] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.855808][ T5893] bridge_slave_1: entered allmulticast mode [ 97.863083][ T5893] bridge_slave_1: entered promiscuous mode [ 97.893907][ T5893] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.906256][ T5893] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.939648][ T5893] team0: Port device team_slave_0 added [ 97.950061][ T5893] team0: Port device team_slave_1 added [ 97.977611][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 97.984613][ T5893] 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. [ 98.011043][ T5893] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.023478][ T5893] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.030590][ T5893] 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. [ 98.056704][ T5893] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 98.102860][ T5893] hsr_slave_0: entered promiscuous mode [ 98.109884][ T5893] hsr_slave_1: entered promiscuous mode [ 98.116559][ T5893] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 98.125261][ T5893] Cannot create hsr debugfs directory [ 98.618568][ T71] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 98.720318][ T71] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 99.658225][ T5087] Bluetooth: hci0: command tx timeout [ 99.667019][ T5893] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.682061][ T5893] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.693996][ T5893] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.737194][ T5893] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.789662][ T71] hsr_slave_0: left promiscuous mode [ 99.796185][ T71] hsr_slave_1: left promiscuous mode [ 99.804537][ T71] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 99.813121][ T71] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 99.824255][ T71] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 99.832629][ T71] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 99.841136][ T71] bridge_slave_1: left allmulticast mode [ 99.846934][ T71] bridge_slave_1: left promiscuous mode [ 99.854877][ T71] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.869635][ T71] bridge_slave_0: left allmulticast mode [ 99.875357][ T71] bridge_slave_0: left promiscuous mode [ 99.881924][ T71] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.916620][ T71] veth1_macvtap: left promiscuous mode [ 99.923051][ T71] veth0_macvtap: left promiscuous mode [ 99.930024][ T71] veth1_vlan: left promiscuous mode [ 99.936579][ T71] veth0_vlan: left promiscuous mode [ 100.464026][ T71] team0 (unregistering): Port device team_slave_1 removed [ 100.497773][ T71] team0 (unregistering): Port device team_slave_0 removed [ 100.531903][ T71] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 100.571657][ T71] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 100.833494][ T71] bond0 (unregistering): Released all slaves [ 101.001202][ T5893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 101.044985][ T5893] 8021q: adding VLAN 0 to HW filter on device team0 [ 101.066688][ T11] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.074022][ T11] bridge0: port 1(bridge_slave_0) entered forwarding state [ 101.119369][ T11] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.126574][ T11] bridge0: port 2(bridge_slave_1) entered forwarding state [ 101.185211][ T5893] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 101.196115][ T5893] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 101.604678][ T5893] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 101.655718][ T5893] veth0_vlan: entered promiscuous mode [ 101.670766][ T5893] veth1_vlan: entered promiscuous mode [ 101.713050][ T5893] veth0_macvtap: entered promiscuous mode [ 101.733293][ T5893] veth1_macvtap: entered promiscuous mode [ 101.748566][ T5087] Bluetooth: hci0: command tx timeout [ 101.775994][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 101.796056][ T5893] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 101.814196][ T5893] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.825387][ T5893] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.835562][ T5893] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.844409][ T5893] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 101.924130][ T142] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.938920][ T142] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 101.966781][ T4531] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 101.975628][ T4531] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 102.031108][ T5934] syz.0.17[5934]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 102.046943][ T5934] loop0: detected capacity change from 0 to 64 [ 103.062599][ T5934] [ 103.064982][ T5934] ============================================ [ 103.071152][ T5934] WARNING: possible recursive locking detected [ 103.077341][ T5934] syzkaller #0 Not tainted [ 103.081791][ T5934] -------------------------------------------- [ 103.087973][ T5934] syz.0.17/5934 is trying to acquire lock: [ 103.093789][ T5934] ffff888078fce0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x17e/0x1f0 [ 103.103136][ T5934] [ 103.103136][ T5934] but task is already holding lock: [ 103.110521][ T5934] ffff888078fce0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x17e/0x1f0 [ 103.119907][ T5934] [ 103.119907][ T5934] other info that might help us debug this: [ 103.128011][ T5934] Possible unsafe locking scenario: [ 103.128011][ T5934] [ 103.135467][ T5934] CPU0 [ 103.138777][ T5934] ---- [ 103.142063][ T5934] lock(&tree->tree_lock/1); [ 103.146804][ T5934] lock(&tree->tree_lock/1); [ 103.151502][ T5934] [ 103.151502][ T5934] *** DEADLOCK *** [ 103.151502][ T5934] [ 103.159668][ T5934] May be due to missing lock nesting notation [ 103.159668][ T5934] [ 103.168017][ T5934] 5 locks held by syz.0.17/5934: [ 103.173023][ T5934] #0: ffff888078fca418 (sb_writers#13){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 103.182297][ T5934] #1: ffff88807d4f9638 (&sb->s_type->i_mutex_key#20){+.+.}-{3:3}, at: do_truncate+0x19c/0x240 [ 103.192678][ T5934] #2: ffff88807d4f9478 (&HFS_I(inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xff/0x1380 [ 103.203405][ T5934] #3: ffff888078fce0b0 (&tree->tree_lock/1){+.+.}-{3:3}, at: hfs_find_init+0x17e/0x1f0 [ 103.213199][ T5934] #4: ffff88807d4f80f8 (&HFS_I(tree->inode)->extents_lock){+.+.}-{3:3}, at: hfs_extend_file+0xff/0x1380 [ 103.224449][ T5934] [ 103.224449][ T5934] stack backtrace: [ 103.230369][ T5934] CPU: 0 PID: 5934 Comm: syz.0.17 Not tainted syzkaller #0 [ 103.237573][ T5934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 [ 103.247652][ T5934] Call Trace: [ 103.250969][ T5934] [ 103.253912][ T5934] dump_stack_lvl+0x18c/0x250 [ 103.258618][ T5934] ? show_regs_print_info+0x20/0x20 [ 103.263873][ T5934] ? print_deadlock_bug+0x435/0x5d0 [ 103.269128][ T5934] __lock_acquire+0x5dbc/0x7d40 [ 103.274025][ T5934] ? _raw_spin_unlock_irqrestore+0x86/0x120 [ 103.279953][ T5934] ? verify_lock_unused+0x140/0x140 [ 103.285181][ T5934] ? _raw_spin_unlock_irqrestore+0xc5/0x120 [ 103.291100][ T5934] ? _raw_spin_unlock+0x40/0x40 [ 103.295987][ T5934] ? stack_trace_save+0xaa/0x100 [ 103.300944][ T5934] ? stack_trace_snprint+0xf0/0xf0 [ 103.306076][ T5934] lock_acquire+0x19e/0x420 [ 103.310614][ T5934] ? hfs_find_init+0x17e/0x1f0 [ 103.315531][ T5934] ? hfs_extend_file+0x361/0x1380 [ 103.320570][ T5934] ? hfs_bmap_reserve+0x107/0x430 [ 103.325611][ T5934] ? block_write_begin+0x9a/0x1e0 [ 103.330656][ T5934] ? __might_sleep+0xe0/0xe0 [ 103.335262][ T5934] ? hfs_write_begin+0x8b/0xd0 [ 103.340041][ T5934] ? read_lock_is_recursive+0x20/0x20 [ 103.345423][ T5934] ? do_truncate+0x1b0/0x240 [ 103.350023][ T5934] ? vfs_truncate+0x266/0x300 [ 103.354711][ T5934] ? do_sys_truncate+0xf6/0x1c0 [ 103.359575][ T5934] ? do_syscall_64+0x55/0xb0 [ 103.364177][ T5934] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 103.370270][ T5934] __mutex_lock+0x136/0xcc0 [ 103.374792][ T5934] ? hfs_find_init+0x17e/0x1f0 [ 103.379575][ T5934] ? hfs_find_init+0x17e/0x1f0 [ 103.384371][ T5934] ? mutex_lock_nested+0x20/0x20 [ 103.389326][ T5934] ? __kmem_cache_alloc_node+0x13a/0x250 [ 103.394974][ T5934] ? hfs_find_init+0xa7/0x1f0 [ 103.399665][ T5934] ? hfs_find_init+0xa7/0x1f0 [ 103.404368][ T5934] ? __kmalloc+0xe2/0x230 [ 103.408730][ T5934] hfs_find_init+0x17e/0x1f0 [ 103.413374][ T5934] hfs_extend_file+0x361/0x1380 [ 103.418247][ T5934] ? hfs_bnode_read+0x358/0x7a0 [ 103.423116][ T5934] ? hfs_ext_keycmp+0x1c7/0x320 [ 103.427982][ T5934] ? hfs_get_block+0xc50/0xc50 [ 103.432754][ T5934] ? hfs_rename+0x2c0/0x2c0 [ 103.437264][ T5934] ? hfs_find_exit+0xa0/0xa0 [ 103.441870][ T5934] ? hfs_brec_find+0x3cd/0x500 [ 103.446649][ T5934] hfs_bmap_reserve+0x107/0x430 [ 103.451514][ T5934] __hfs_ext_write_extent+0x1fa/0x470 [ 103.456897][ T5934] __hfs_ext_cache_extent+0x6b/0x9b0 [ 103.462210][ T5934] ? hfs_find_init+0x17e/0x1f0 [ 103.467027][ T5934] hfs_extend_file+0x3a0/0x1380 [ 103.471931][ T5934] ? filemap_get_folios+0x102/0x7e0 [ 103.477146][ T5934] ? hfs_get_block+0xc50/0xc50 [ 103.481965][ T5934] ? find_lock_entries+0xfe0/0xfe0 [ 103.487103][ T5934] ? clean_bdev_aliases+0x587/0x680 [ 103.492329][ T5934] hfs_get_block+0x413/0xc50 [ 103.496949][ T5934] ? hfs_free_extents+0x430/0x430 [ 103.501983][ T5934] ? _raw_spin_unlock+0x28/0x40 [ 103.506849][ T5934] ? folio_add_lru+0x320/0xd30 [ 103.511632][ T5934] __block_write_begin_int+0x57f/0x1af0 [ 103.517210][ T5934] ? folio_add_lru+0xd30/0xd30 [ 103.522021][ T5934] ? hfs_free_extents+0x430/0x430 [ 103.527078][ T5934] ? folio_zero_new_buffers+0x550/0x550 [ 103.532656][ T5934] ? hfs_free_extents+0x430/0x430 [ 103.537780][ T5934] block_write_begin+0x9a/0x1e0 [ 103.542649][ T5934] cont_write_begin+0x5ee/0x810 [ 103.547514][ T5934] ? generic_cont_expand_simple+0x200/0x200 [ 103.553449][ T5934] ? __block_commit_write+0x23f/0x350 [ 103.558844][ T5934] ? put_page+0xea/0x260 [ 103.563106][ T5934] hfs_write_begin+0x8b/0xd0 [ 103.567710][ T5934] ? hfs_free_extents+0x430/0x430 [ 103.572763][ T5934] cont_write_begin+0x2b1/0x810 [ 103.577717][ T5934] ? generic_cont_expand_simple+0x200/0x200 [ 103.583657][ T5934] hfs_write_begin+0x8b/0xd0 [ 103.588261][ T5934] ? hfs_free_extents+0x430/0x430 [ 103.593302][ T5934] hfs_file_truncate+0x1c4/0xa10 [ 103.598258][ T5934] ? __up_read+0x2b6/0x6b0 [ 103.602714][ T5934] ? up_read+0x20/0x20 [ 103.606826][ T5934] ? up_read+0x20/0x20 [ 103.610922][ T5934] ? hfs_extend_file+0x1380/0x1380 [ 103.616083][ T5934] ? unmap_mapping_range+0xe7/0x180 [ 103.621337][ T5934] ? unmap_mapping_pages+0x160/0x160 [ 103.626955][ T5934] ? pagecache_isize_extended+0x116/0x570 [ 103.632691][ T5934] hfs_inode_setattr+0x4af/0x6e0 [ 103.637646][ T5934] ? bpf_lsm_inode_setattr+0x9/0x10 [ 103.642859][ T5934] ? try_break_deleg+0x79/0x120 [ 103.647724][ T5934] ? hfs_evict_inode+0x110/0x110 [ 103.652676][ T5934] notify_change+0xb0d/0xe10 [ 103.657295][ T5934] do_truncate+0x1b0/0x240 [ 103.661774][ T5934] ? put_page_bootmem+0x2c0/0x2c0 [ 103.666943][ T5934] ? bpf_lsm_path_truncate+0x9/0x10 [ 103.672451][ T5934] vfs_truncate+0x266/0x300 [ 103.677070][ T5934] do_sys_truncate+0xf6/0x1c0 [ 103.681801][ T5934] ? lock_chain_count+0x20/0x20 [ 103.686677][ T5934] ? break_lease+0xd0/0xd0 [ 103.691143][ T5934] ? lockdep_hardirqs_on+0x98/0x150 [ 103.696364][ T5934] do_syscall_64+0x55/0xb0 [ 103.700817][ T5934] ? clear_bhb_loop+0x40/0x90 [ 103.705530][ T5934] ? clear_bhb_loop+0x40/0x90 [ 103.710252][ T5934] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 103.716179][ T5934] RIP: 0033:0x7f739779ce59 [ 103.720628][ T5934] 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 [ 103.740254][ T5934] RSP: 002b:00007ffc2f4ecbf8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 103.748723][ T5934] RAX: ffffffffffffffda RBX: 00007f7397a15fa0 RCX: 00007f739779ce59 [ 103.756708][ T5934] RDX: 0000000000000000 RSI: 0000000002fffffd RDI: 0000200000000940 [ 103.764705][ T5934] RBP: 00007f7397832d6f R08: 0000000000000000 R09: 0000000000000000 [ 103.772695][ T5934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 103.780680][ T5934] R13: 00007f7397a15fac R14: 00007f7397a15fa0 R15: 00007f7397a15fa0 [ 103.788680][ T5934] [ 103.817729][ T5087] Bluetooth: hci0: command tx timeout [ 105.897430][ T5087] Bluetooth: hci0: command tx timeout [ 107.098046][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.098046][ T11] loop0: rw=1048577, sector=65, nr_sectors = 1 limit=64 [ 107.111909][ T11] Buffer I/O error on dev loop0, logical block 65, lost async page write [ 107.120474][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.120474][ T11] loop0: rw=1048577, sector=66, nr_sectors = 1 limit=64 [ 107.134180][ T11] Buffer I/O error on dev loop0, logical block 66, lost async page write [ 107.142704][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.142704][ T11] loop0: rw=1048577, sector=67, nr_sectors = 1 limit=64 [ 107.156405][ T11] Buffer I/O error on dev loop0, logical block 67, lost async page write [ 107.164932][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.164932][ T11] loop0: rw=1048577, sector=68, nr_sectors = 1 limit=64 [ 107.178733][ T11] Buffer I/O error on dev loop0, logical block 68, lost async page write [ 107.188947][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.188947][ T11] loop0: rw=1048577, sector=72, nr_sectors = 1 limit=64 [ 107.202757][ T11] Buffer I/O error on dev loop0, logical block 72, lost async page write [ 107.211790][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.211790][ T11] loop0: rw=1048577, sector=73, nr_sectors = 1 limit=64 [ 107.225500][ T11] Buffer I/O error on dev loop0, logical block 73, lost async page write [ 107.234014][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.234014][ T11] loop0: rw=1048577, sector=76, nr_sectors = 1 limit=64 [ 107.247708][ T11] Buffer I/O error on dev loop0, logical block 76, lost async page write [ 107.256185][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.256185][ T11] loop0: rw=1048577, sector=77, nr_sectors = 1 limit=64 [ 107.270233][ T11] Buffer I/O error on dev loop0, logical block 77, lost async page write [ 107.281824][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.281824][ T11] loop0: rw=1048577, sector=78, nr_sectors = 4088 limit=64 [ 107.297440][ T11] kworker/u4:0: attempt to access beyond end of device [ 107.297440][ T11] loop0: rw=1048577, sector=4166, nr_sectors = 1 limit=64 [ 107.311966][ T11] Buffer I/O error on dev loop0, logical block 4166, lost async page write [ 107.320683][ T11] Buffer I/O error on dev loop0, logical block 4167, lost async page write