no interfaces have a carrier [ 69.309779][ T5494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 69.326623][ T5494] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller syzkaller login: [ 97.026467][ T115] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.234' (ED25519) to the list of known hosts. 2025/05/29 09:20:33 ignoring optional flag "sandboxArg"="0" 2025/05/29 09:20:35 parsed 1 programs [ 106.751984][ T5841] cgroup: Unknown subsys name 'net' [ 106.887832][ T5841] cgroup: Unknown subsys name 'cpuset' [ 106.897333][ T5841] cgroup: Unknown subsys name 'rlimit' [ 108.692189][ T5841] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 111.545364][ T5850] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 112.556402][ T5862] chnl_net:caif_netlink_parms(): no params data found [ 112.645092][ T5862] bridge0: port 1(bridge_slave_0) entered blocking state [ 112.652656][ T5862] bridge0: port 1(bridge_slave_0) entered disabled state [ 112.660143][ T5862] bridge_slave_0: entered allmulticast mode [ 112.667512][ T5862] bridge_slave_0: entered promiscuous mode [ 112.677651][ T5862] bridge0: port 2(bridge_slave_1) entered blocking state [ 112.684970][ T5862] bridge0: port 2(bridge_slave_1) entered disabled state [ 112.692160][ T5862] bridge_slave_1: entered allmulticast mode [ 112.699580][ T5862] bridge_slave_1: entered promiscuous mode [ 112.733289][ T5862] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 112.746089][ T5862] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 112.782388][ T5862] team0: Port device team_slave_0 added [ 112.791409][ T5862] team0: Port device team_slave_1 added [ 112.822723][ T5862] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 112.829742][ T5862] 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. [ 112.856713][ T5862] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 112.869560][ T5862] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 112.876617][ T5862] 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. [ 112.902571][ T5862] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 112.954191][ T5862] hsr_slave_0: entered promiscuous mode [ 112.960611][ T5862] hsr_slave_1: entered promiscuous mode [ 113.130479][ T5862] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 113.144599][ T5862] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 113.155955][ T5862] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 113.167366][ T5862] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 113.199985][ T5862] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.207246][ T5862] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.215212][ T5862] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.222336][ T5862] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.287503][ T5862] 8021q: adding VLAN 0 to HW filter on device bond0 [ 113.306790][ T49] bridge0: port 1(bridge_slave_0) entered disabled state [ 113.315862][ T49] bridge0: port 2(bridge_slave_1) entered disabled state [ 113.333120][ T5862] 8021q: adding VLAN 0 to HW filter on device team0 [ 113.348502][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 113.355797][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 113.371546][ T49] bridge0: port 2(bridge_slave_1) entered blocking state [ 113.378766][ T49] bridge0: port 2(bridge_slave_1) entered forwarding state [ 113.602734][ T5862] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 113.651104][ T5862] veth0_vlan: entered promiscuous mode [ 113.665576][ T5862] veth1_vlan: entered promiscuous mode [ 113.697541][ T5862] veth0_macvtap: entered promiscuous mode [ 113.707778][ T5862] veth1_macvtap: entered promiscuous mode [ 113.727586][ T5862] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 113.742541][ T5862] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 113.756111][ T5862] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.765041][ T5862] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.775028][ T5862] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.783948][ T5862] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 113.955040][ T59] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.020667][ T59] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.088793][ T59] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.206425][ T59] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 114.232536][ T5149] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 114.241154][ T5149] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 114.248917][ T5149] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 114.258952][ T5149] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 114.267462][ T5149] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 116.383872][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.391838][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.476473][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 116.488591][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 116.520623][ T59] bridge_slave_1: left allmulticast mode [ 116.528534][ T59] bridge_slave_1: left promiscuous mode [ 116.544074][ T59] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.566827][ T59] bridge_slave_0: left allmulticast mode [ 116.572531][ T59] bridge_slave_0: left promiscuous mode [ 116.594462][ T59] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.999016][ T59] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 117.011991][ T59] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 117.024585][ T59] bond0 (unregistering): Released all slaves [ 117.181106][ T59] hsr_slave_0: left promiscuous mode [ 117.199620][ T59] hsr_slave_1: left promiscuous mode [ 117.210687][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 117.237028][ T59] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 117.259184][ T59] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 117.274855][ T59] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 117.321163][ T59] veth1_macvtap: left promiscuous mode [ 117.342833][ T59] veth0_macvtap: left promiscuous mode [ 117.354387][ T59] veth1_vlan: left promiscuous mode [ 117.359848][ T59] veth0_vlan: left promiscuous mode 2025/05/29 09:20:50 executed programs: 0 [ 117.771696][ T5149] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 117.789286][ T5149] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 117.805215][ T5149] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 117.821416][ T5149] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 117.834824][ T5149] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 117.900352][ T59] team0 (unregistering): Port device team_slave_1 removed [ 117.927207][ T59] team0 (unregistering): Port device team_slave_0 removed [ 118.498089][ T5944] chnl_net:caif_netlink_parms(): no params data found [ 118.695362][ T5944] bridge0: port 1(bridge_slave_0) entered blocking state [ 118.702572][ T5944] bridge0: port 1(bridge_slave_0) entered disabled state [ 118.721460][ T5944] bridge_slave_0: entered allmulticast mode [ 118.730725][ T5944] bridge_slave_0: entered promiscuous mode [ 119.290650][ T5944] bridge0: port 2(bridge_slave_1) entered blocking state [ 119.323305][ T5944] bridge0: port 2(bridge_slave_1) entered disabled state [ 119.330558][ T5944] bridge_slave_1: entered allmulticast mode [ 119.355582][ T5944] bridge_slave_1: entered promiscuous mode [ 119.541743][ T5944] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 119.567858][ T5944] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 119.678412][ T5944] team0: Port device team_slave_0 added [ 119.691048][ T5944] team0: Port device team_slave_1 added [ 119.789294][ T5944] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 119.797127][ T5944] 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. [ 119.826638][ T5944] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 119.839902][ T5944] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 119.852471][ T5944] 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. [ 119.882300][ T5944] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 119.907489][ T51] Bluetooth: hci0: command tx timeout [ 120.060079][ T5944] hsr_slave_0: entered promiscuous mode [ 120.068618][ T5944] hsr_slave_1: entered promiscuous mode [ 120.806072][ T5944] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 120.818855][ T5944] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 120.832813][ T5944] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 120.846618][ T5944] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 120.976742][ T5944] 8021q: adding VLAN 0 to HW filter on device bond0 [ 121.007116][ T5944] 8021q: adding VLAN 0 to HW filter on device team0 [ 121.022554][ T59] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.029801][ T59] bridge0: port 1(bridge_slave_0) entered forwarding state [ 121.058006][ T59] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.065219][ T59] bridge0: port 2(bridge_slave_1) entered forwarding state [ 121.373735][ T5944] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 121.436948][ T5944] veth0_vlan: entered promiscuous mode [ 121.457757][ T5944] veth1_vlan: entered promiscuous mode [ 121.505455][ T5944] veth0_macvtap: entered promiscuous mode [ 121.520257][ T5944] veth1_macvtap: entered promiscuous mode [ 121.551216][ T5944] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 121.572700][ T5944] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 121.588845][ T5944] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.601154][ T5944] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.610918][ T5944] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.621875][ T5944] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 121.725555][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.749050][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.787154][ T758] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 121.797285][ T758] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 121.924589][ T6013] [ 121.926972][ T6013] ====================================================== [ 121.934013][ T6013] WARNING: possible circular locking dependency detected [ 121.941061][ T6013] 6.15.0-syzkaller-07774-g90b83efa6701 #0 Not tainted [ 121.947867][ T6013] ------------------------------------------------------ [ 121.954914][ T6013] syz.0.16/6013 is trying to acquire lock: [ 121.960749][ T6013] ffffffff8e52d3a8 (pcpu_alloc_mutex){+.+.}-{4:4}, at: pcpu_alloc_noprof+0xb4a/0x1470 [ 121.970511][ T6013] [ 121.970511][ T6013] but task is already holding lock: [ 121.977896][ T6013] ffff888142fef608 (&q->q_usage_counter(io)#58){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 121.989216][ T6013] [ 121.989216][ T6013] which lock already depends on the new lock. [ 121.989216][ T6013] [ 121.999647][ T6013] [ 121.999647][ T6013] the existing dependency chain (in reverse order) is: [ 122.008692][ T6013] [ 122.008692][ T6013] -> #2 (&q->q_usage_counter(io)#58){++++}-{0:0}: [ 122.017379][ T6013] blk_alloc_queue+0x619/0x760 [ 122.022718][ T6013] blk_mq_alloc_queue+0x175/0x290 [ 122.028324][ T6013] __blk_mq_alloc_disk+0x29/0x120 [ 122.033933][ T6013] nbd_dev_add+0x4a0/0xbc0 [ 122.038931][ T6013] nbd_init+0x181/0x320 [ 122.043651][ T6013] do_one_initcall+0x120/0x6e0 [ 122.048973][ T6013] kernel_init_freeable+0x5c2/0x900 [ 122.054740][ T6013] kernel_init+0x1c/0x2b0 [ 122.059622][ T6013] ret_from_fork+0x5d7/0x6f0 [ 122.064779][ T6013] ret_from_fork_asm+0x1a/0x30 [ 122.070101][ T6013] [ 122.070101][ T6013] -> #1 (fs_reclaim){+.+.}-{0:0}: [ 122.077373][ T6013] fs_reclaim_acquire+0x102/0x150 [ 122.082964][ T6013] prepare_alloc_pages+0x162/0x610 [ 122.088631][ T6013] __alloc_frozen_pages_noprof+0x18b/0x23f0 [ 122.095077][ T6013] __alloc_pages_noprof+0xb/0x1b0 [ 122.100651][ T6013] pcpu_populate_chunk+0x110/0xb00 [ 122.106308][ T6013] pcpu_alloc_noprof+0x86a/0x1470 [ 122.111887][ T6013] xt_percpu_counter_alloc+0x13e/0x1b0 [ 122.117890][ T6013] find_check_entry.constprop.0+0xbc/0x9b0 [ 122.124243][ T6013] translate_table+0xc98/0x1720 [ 122.129643][ T6013] ipt_register_table+0x102/0x430 [ 122.135214][ T6013] iptable_mangle_table_init+0x40/0x60 [ 122.141219][ T6013] xt_find_table_lock+0x2e1/0x520 [ 122.146789][ T6013] xt_request_find_table_lock+0x28/0xf0 [ 122.152880][ T6013] get_info+0x190/0x610 [ 122.157577][ T6013] do_ipt_get_ctl+0x169/0xa10 [ 122.162802][ T6013] nf_getsockopt+0x7c/0xe0 [ 122.167777][ T6013] ip_getsockopt+0x18c/0x1e0 [ 122.172911][ T6013] tcp_getsockopt+0x9e/0x100 [ 122.178050][ T6013] do_sock_getsockopt+0x3ff/0x800 [ 122.183618][ T6013] __sys_getsockopt+0x123/0x1b0 [ 122.189022][ T6013] __x64_sys_getsockopt+0xbd/0x160 [ 122.194683][ T6013] do_syscall_64+0xcd/0x490 [ 122.199737][ T6013] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.206170][ T6013] [ 122.206170][ T6013] -> #0 (pcpu_alloc_mutex){+.+.}-{4:4}: [ 122.213929][ T6013] __lock_acquire+0x126f/0x1c90 [ 122.219324][ T6013] lock_acquire+0x179/0x350 [ 122.224375][ T6013] __mutex_lock+0x199/0xb90 [ 122.229426][ T6013] pcpu_alloc_noprof+0xb4a/0x1470 [ 122.234995][ T6013] blk_stat_alloc_callback+0xc8/0x280 [ 122.240909][ T6013] wbt_init+0xac/0x540 [ 122.245522][ T6013] queue_wb_lat_store+0x354/0x3d0 [ 122.251096][ T6013] queue_attr_store+0x276/0x320 [ 122.256492][ T6013] sysfs_kf_write+0xef/0x150 [ 122.261624][ T6013] kernfs_fop_write_iter+0x354/0x510 [ 122.267462][ T6013] vfs_write+0x6c7/0x1150 [ 122.272356][ T6013] ksys_write+0x12a/0x250 [ 122.277230][ T6013] do_syscall_64+0xcd/0x490 [ 122.282304][ T6013] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.288748][ T6013] [ 122.288748][ T6013] other info that might help us debug this: [ 122.288748][ T6013] [ 122.298983][ T6013] Chain exists of: [ 122.298983][ T6013] pcpu_alloc_mutex --> fs_reclaim --> &q->q_usage_counter(io)#58 [ 122.298983][ T6013] [ 122.312674][ T6013] Possible unsafe locking scenario: [ 122.312674][ T6013] [ 122.320130][ T6013] CPU0 CPU1 [ 122.325506][ T6013] ---- ---- [ 122.330883][ T6013] lock(&q->q_usage_counter(io)#58); [ 122.336286][ T6013] lock(fs_reclaim); [ 122.342807][ T6013] lock(&q->q_usage_counter(io)#58); [ 122.350732][ T6013] lock(pcpu_alloc_mutex); [ 122.355269][ T6013] [ 122.355269][ T6013] *** DEADLOCK *** [ 122.355269][ T6013] [ 122.363434][ T6013] 6 locks held by syz.0.16/6013: [ 122.368402][ T6013] #0: ffff88803325fb38 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2a2/0x370 [ 122.377507][ T6013] #1: ffff88807cdcc428 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 [ 122.386534][ T6013] #2: ffff88803232bc88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 [ 122.396422][ T6013] #3: ffff88814336ec38 (kn->active#60){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 [ 122.406489][ T6013] #4: ffff888142fef608 (&q->q_usage_counter(io)#58){++++}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 122.418214][ T6013] #5: ffff888142fef640 (&q->q_usage_counter(queue)#10){+.+.}-{0:0}, at: blk_mq_freeze_queue_nomemsave+0x15/0x20 [ 122.430194][ T6013] [ 122.430194][ T6013] stack backtrace: [ 122.436194][ T6013] CPU: 0 UID: 0 PID: 6013 Comm: syz.0.16 Not tainted 6.15.0-syzkaller-07774-g90b83efa6701 #0 PREEMPT(full) [ 122.436224][ T6013] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 122.436242][ T6013] Call Trace: [ 122.436249][ T6013] [ 122.436259][ T6013] dump_stack_lvl+0x116/0x1f0 [ 122.436313][ T6013] print_circular_bug+0x275/0x350 [ 122.436342][ T6013] check_noncircular+0x14c/0x170 [ 122.436374][ T6013] __lock_acquire+0x126f/0x1c90 [ 122.436408][ T6013] lock_acquire+0x179/0x350 [ 122.436436][ T6013] ? pcpu_alloc_noprof+0xb4a/0x1470 [ 122.436468][ T6013] ? __pfx___might_resched+0x10/0x10 [ 122.436491][ T6013] ? ksys_write+0x12a/0x250 [ 122.436519][ T6013] ? do_syscall_64+0xcd/0x490 [ 122.436551][ T6013] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.436583][ T6013] __mutex_lock+0x199/0xb90 [ 122.436616][ T6013] ? pcpu_alloc_noprof+0xb4a/0x1470 [ 122.436649][ T6013] ? pcpu_alloc_noprof+0xb4a/0x1470 [ 122.436681][ T6013] ? __pfx___mutex_lock+0x10/0x10 [ 122.436723][ T6013] ? pcpu_alloc_noprof+0xb4a/0x1470 [ 122.436753][ T6013] pcpu_alloc_noprof+0xb4a/0x1470 [ 122.436790][ T6013] ? __pfx_wbt_data_dir+0x10/0x10 [ 122.436828][ T6013] ? __pfx_wb_timer_fn+0x10/0x10 [ 122.436854][ T6013] blk_stat_alloc_callback+0xc8/0x280 [ 122.436880][ T6013] ? kasan_save_track+0x14/0x30 [ 122.436913][ T6013] wbt_init+0xac/0x540 [ 122.436941][ T6013] queue_wb_lat_store+0x354/0x3d0 [ 122.436966][ T6013] ? __pfx_queue_wb_lat_store+0x10/0x10 [ 122.436991][ T6013] ? __mutex_trylock_common+0xe9/0x250 [ 122.437022][ T6013] ? __pfx_queue_wb_lat_store+0x10/0x10 [ 122.437044][ T6013] queue_attr_store+0x276/0x320 [ 122.437069][ T6013] ? __pfx_queue_attr_store+0x10/0x10 [ 122.437091][ T6013] ? __lock_acquire+0x622/0x1c90 [ 122.437127][ T6013] ? find_held_lock+0x2b/0x80 [ 122.437163][ T6013] ? sysfs_file_kobj+0xe4/0x290 [ 122.437189][ T6013] ? __pfx_queue_attr_store+0x10/0x10 [ 122.437213][ T6013] sysfs_kf_write+0xef/0x150 [ 122.437237][ T6013] kernfs_fop_write_iter+0x354/0x510 [ 122.437276][ T6013] ? __pfx_sysfs_kf_write+0x10/0x10 [ 122.437302][ T6013] vfs_write+0x6c7/0x1150 [ 122.437332][ T6013] ? __pfx_kernfs_fop_write_iter+0x10/0x10 [ 122.437391][ T6013] ? __pfx___mutex_lock+0x10/0x10 [ 122.437426][ T6013] ? __pfx_vfs_write+0x10/0x10 [ 122.437465][ T6013] ksys_write+0x12a/0x250 [ 122.437494][ T6013] ? __pfx_ksys_write+0x10/0x10 [ 122.437528][ T6013] do_syscall_64+0xcd/0x490 [ 122.437581][ T6013] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.437606][ T6013] RIP: 0033:0x7f6425b8e969 [ 122.437629][ T6013] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 122.437653][ T6013] RSP: 002b:00007f64269f3038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 122.437675][ T6013] RAX: ffffffffffffffda RBX: 00007f6425db5fa0 RCX: 00007f6425b8e969 [ 122.437692][ T6013] RDX: 0000000000000801 RSI: 0000200000000240 RDI: 0000000000000003 [ 122.437707][ T6013] RBP: 00007f6425c10ab1 R08: 0000000000000000 R09: 0000000000000000 [ 122.437722][ T6013] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 122.437737][ T6013] R13: 0000000000000000 R14: 00007f6425db5fa0 R15: 00007ffe18580788 [ 122.437760][ T6013] [ 122.757199][ T51] Bluetooth: hci0: command tx timeout