[ 9.145628][ T2615] 8021q: adding VLAN 0 to HW filter on device bond0 [ 9.148668][ T2615] eql: remember to turn off Van-Jacobson compression on your slave devices [ 9.175257][ T992] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 9.178147][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 64.498800][ T917] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.29' (ECDSA) to the list of known hosts. executing program [ 515.320505][ T3085] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 515.321968][ T3085] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) [ 515.326273][ T3085] vhci_hcd vhci_hcd.0: Device attached [ 515.330383][ T3086] vhci_hcd: connection closed [ 515.333783][ T3054] vhci_hcd: stop threads executing program [ 515.335871][ T3054] vhci_hcd: release socket [ 515.337000][ T3054] vhci_hcd: disconnect device executing program [ 515.342710][ T3091] vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(4) [ 515.344168][ T3091] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) executing program [ 515.346421][ T3091] vhci_hcd vhci_hcd.0: Device attached [ 515.348261][ T3089] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 515.349666][ T3089] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) [ 515.351551][ T3089] vhci_hcd vhci_hcd.0: Device attached [ 515.352781][ T3094] vhci_hcd: connection closed [ 515.353059][ T3054] vhci_hcd: stop threads [ 515.354934][ T3054] vhci_hcd: release socket [ 515.355892][ T3054] vhci_hcd: disconnect device [ 515.357155][ T3092] vhci_hcd: connection closed [ 515.357348][ T3054] vhci_hcd: stop threads [ 515.359847][ T3054] vhci_hcd: release socket executing program [ 515.362435][ T3054] vhci_hcd: disconnect device executing program [ 515.365758][ T3100] vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(4) [ 515.366156][ T3093] vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(4) [ 515.367154][ T3100] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) executing program [ 515.368530][ T3093] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) [ 515.372520][ T3100] vhci_hcd vhci_hcd.0: Device attached executing program [ 515.373736][ T3101] vhci_hcd: connection closed [ 515.373896][ T3054] vhci_hcd: stop threads [ 515.375918][ T3054] vhci_hcd: release socket [ 515.376763][ T3093] vhci_hcd vhci_hcd.0: Device attached [ 515.376838][ T3054] vhci_hcd: disconnect device [ 515.380683][ T3105] vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(4) executing program [ 515.382097][ T3105] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) executing program [ 515.383843][ T3105] vhci_hcd vhci_hcd.0: Device attached [ 515.384732][ T3102] vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(4) [ 515.385342][ T3107] vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(4) [ 515.386507][ T3102] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) [ 515.388001][ T3107] vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) [ 515.391094][ T3102] vhci_hcd vhci_hcd.0: Device attached [ 515.392400][ T3107] vhci_hcd vhci_hcd.0: Device attached [ 515.587513][ T3090] vhci_hcd: vhci_device speed not set [ 515.647464][ T23] vhci_hcd: vhci_device speed not set [ 515.657449][ T3090] usb 6-1: new full-speed USB device number 2 using vhci_hcd [ 515.717422][ T23] usb 4-1: new full-speed USB device number 2 using vhci_hcd [ 515.737426][ T917] vhci_hcd: vhci_device speed not set [ 515.767417][ T3088] vhci_hcd: vhci_device speed not set [ 515.817477][ T917] usb 2-1: new full-speed USB device number 2 using vhci_hcd [ 515.837428][ T3088] usb 8-1: new full-speed USB device number 2 using vhci_hcd [ 714.737572][ T27] INFO: task kworker/1:1:23 blocked for more than 143 seconds. [ 714.739177][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.740698][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.742411][ T27] task:kworker/1:1 state:D stack: 0 pid: 23 ppid: 2 flags:0x00000008 [ 714.744232][ T27] Workqueue: usb_hub_wq hub_event [ 714.745205][ T27] Call trace: [ 714.745887][ T27] __switch_to+0x180/0x298 [ 714.746748][ T27] __schedule+0x414/0x5a0 [ 714.747676][ T27] schedule+0x64/0xa4 [ 714.748501][ T27] usb_kill_urb+0xe0/0x1c8 [ 714.749391][ T27] usb_start_wait_urb+0xf8/0x1ec [ 714.750393][ T27] usb_control_msg+0xd8/0x17c [ 714.751340][ T27] hub_port_init+0x534/0x1064 [ 714.752229][ T27] hub_port_connect+0x528/0xe30 [ 714.753389][ T27] hub_port_connect_change+0x3d8/0x70c [ 714.754643][ T27] port_event+0x780/0x930 [ 714.755538][ T27] hub_event+0x2f0/0x658 [ 714.756375][ T27] process_one_work+0x2d8/0x504 [ 714.757420][ T27] worker_thread+0x340/0x610 [ 714.758359][ T27] kthread+0x12c/0x158 [ 714.759248][ T27] ret_from_fork+0x10/0x20 [ 714.760233][ T27] INFO: task kworker/0:2:917 blocked for more than 143 seconds. [ 714.761774][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.763536][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.765492][ T27] task:kworker/0:2 state:D stack: 0 pid: 917 ppid: 2 flags:0x00000008 [ 714.767279][ T27] Workqueue: usb_hub_wq hub_event [ 714.768405][ T27] Call trace: [ 714.769103][ T27] __switch_to+0x180/0x298 [ 714.770051][ T27] __schedule+0x414/0x5a0 [ 714.770980][ T27] schedule+0x64/0xa4 [ 714.771959][ T27] usb_kill_urb+0xe0/0x1c8 [ 714.772862][ T27] usb_start_wait_urb+0xf8/0x1ec [ 714.773919][ T27] usb_control_msg+0xd8/0x17c [ 714.774884][ T27] hub_port_init+0x534/0x1064 [ 714.775837][ T27] hub_port_connect+0x528/0xe30 [ 714.776805][ T27] hub_port_connect_change+0x3d8/0x70c [ 714.777805][ T27] port_event+0x780/0x930 [ 714.778548][ T27] hub_event+0x2f0/0x658 [ 714.779407][ T27] process_one_work+0x2d8/0x504 [ 714.780447][ T27] worker_thread+0x340/0x610 [ 714.781608][ T27] kthread+0x12c/0x158 [ 714.782400][ T27] ret_from_fork+0x10/0x20 [ 714.783245][ T27] INFO: task kworker/0:0:3088 blocked for more than 143 seconds. [ 714.784688][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.785963][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.787815][ T27] task:kworker/0:0 state:D stack: 0 pid: 3088 ppid: 2 flags:0x00000008 [ 714.789760][ T27] Workqueue: usb_hub_wq hub_event [ 714.790790][ T27] Call trace: [ 714.791454][ T27] __switch_to+0x180/0x298 [ 714.792371][ T27] __schedule+0x414/0x5a0 [ 714.793249][ T27] schedule+0x64/0xa4 [ 714.794064][ T27] usb_kill_urb+0xe0/0x1c8 [ 714.794929][ T27] usb_start_wait_urb+0xf8/0x1ec [ 714.795880][ T27] usb_control_msg+0xd8/0x17c [ 714.796915][ T27] hub_port_init+0x534/0x1064 [ 714.797951][ T27] hub_port_connect+0x528/0xe30 [ 714.798984][ T27] hub_port_connect_change+0x3d8/0x70c [ 714.800172][ T27] port_event+0x780/0x930 [ 714.801110][ T27] hub_event+0x2f0/0x658 [ 714.801994][ T27] process_one_work+0x2d8/0x504 [ 714.803058][ T27] worker_thread+0x340/0x610 [ 714.804064][ T27] kthread+0x12c/0x158 [ 714.804870][ T27] ret_from_fork+0x10/0x20 [ 714.805838][ T27] INFO: task kworker/1:0:3090 blocked for more than 143 seconds. [ 714.807475][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.809061][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.810808][ T27] task:kworker/1:0 state:D stack: 0 pid: 3090 ppid: 2 flags:0x00000008 [ 714.812653][ T27] Workqueue: usb_hub_wq hub_event [ 714.813605][ T27] Call trace: [ 714.814274][ T27] __switch_to+0x180/0x298 [ 714.815316][ T27] __schedule+0x414/0x5a0 [ 714.816338][ T27] schedule+0x64/0xa4 [ 714.817195][ T27] usb_kill_urb+0xe0/0x1c8 [ 714.818162][ T27] usb_start_wait_urb+0xf8/0x1ec [ 714.819154][ T27] usb_control_msg+0xd8/0x17c [ 714.820111][ T27] hub_port_init+0x534/0x1064 [ 714.821049][ T27] hub_port_connect+0x528/0xe30 [ 714.822035][ T27] hub_port_connect_change+0x3d8/0x70c [ 714.822968][ T27] port_event+0x780/0x930 [ 714.823838][ T27] hub_event+0x2f0/0x658 [ 714.824726][ T27] process_one_work+0x2d8/0x504 [ 714.825941][ T27] worker_thread+0x340/0x610 [ 714.826920][ T27] kthread+0x12c/0x158 [ 714.827921][ T27] ret_from_fork+0x10/0x20 [ 714.828785][ T27] INFO: task syz-executor102:3093 blocked for more than 143 seconds. [ 714.830475][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.832049][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.833806][ T27] task:syz-executor102 state:D stack: 0 pid: 3093 ppid: 3084 flags:0x00000001 [ 714.835754][ T27] Call trace: [ 714.836445][ T27] __switch_to+0x180/0x298 [ 714.837504][ T27] __schedule+0x414/0x5a0 [ 714.838443][ T27] schedule+0x64/0xa4 [ 714.839268][ T27] schedule_preempt_disabled+0x18/0x2c [ 714.840382][ T27] __mutex_lock_common+0x788/0xca8 [ 714.841460][ T27] mutex_lock_nested+0x38/0x44 [ 714.842495][ T27] usbdev_release+0x40/0x3b8 [ 714.843476][ T27] __fput+0x198/0x3dc [ 714.844382][ T27] ____fput+0x20/0x30 [ 714.845297][ T27] task_work_run+0xc4/0x14c [ 714.846359][ T27] do_notify_resume+0x174/0x1f0 [ 714.847539][ T27] el0_svc+0x9c/0x150 [ 714.848360][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.849403][ T27] el0t_64_sync+0x18c/0x190 [ 714.850332][ T27] INFO: task syz-executor102:3102 blocked for more than 143 seconds. [ 714.851943][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.853497][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.855278][ T27] task:syz-executor102 state:D stack: 0 pid: 3102 ppid: 3079 flags:0x00000001 [ 714.857309][ T27] Call trace: [ 714.858034][ T27] __switch_to+0x180/0x298 [ 714.858894][ T27] __schedule+0x414/0x5a0 [ 714.859795][ T27] schedule+0x64/0xa4 [ 714.860605][ T27] schedule_preempt_disabled+0x18/0x2c [ 714.861730][ T27] __mutex_lock_common+0x788/0xca8 [ 714.862760][ T27] mutex_lock_nested+0x38/0x44 [ 714.863798][ T27] usbdev_release+0x40/0x3b8 [ 714.864820][ T27] __fput+0x198/0x3dc [ 714.865742][ T27] ____fput+0x20/0x30 [ 714.866600][ T27] task_work_run+0xc4/0x14c [ 714.867587][ T27] do_notify_resume+0x174/0x1f0 [ 714.868621][ T27] el0_svc+0x9c/0x150 [ 714.869451][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.870514][ T27] el0t_64_sync+0x18c/0x190 [ 714.871469][ T27] INFO: task syz-executor102:3105 blocked for more than 143 seconds. [ 714.873162][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.874763][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.876543][ T27] task:syz-executor102 state:D stack: 0 pid: 3105 ppid: 3083 flags:0x00000001 [ 714.878254][ T27] Call trace: [ 714.878865][ T27] __switch_to+0x180/0x298 [ 714.879722][ T27] __schedule+0x414/0x5a0 [ 714.880589][ T27] schedule+0x64/0xa4 [ 714.881423][ T27] schedule_preempt_disabled+0x18/0x2c [ 714.882613][ T27] __mutex_lock_common+0x788/0xca8 [ 714.883710][ T27] mutex_lock_nested+0x38/0x44 [ 714.884632][ T27] usbdev_release+0x40/0x3b8 [ 714.885697][ T27] __fput+0x198/0x3dc [ 714.886474][ T27] ____fput+0x20/0x30 [ 714.887275][ T27] task_work_run+0xc4/0x14c [ 714.888319][ T27] do_notify_resume+0x174/0x1f0 [ 714.889267][ T27] el0_svc+0x9c/0x150 [ 714.890032][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.891071][ T27] el0t_64_sync+0x18c/0x190 [ 714.892061][ T27] INFO: task syz-executor102:3107 blocked for more than 143 seconds. [ 714.893663][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.895273][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.897103][ T27] task:syz-executor102 state:D stack: 0 pid: 3107 ppid: 3076 flags:0x00000001 [ 714.899208][ T27] Call trace: [ 714.899854][ T27] __switch_to+0x180/0x298 [ 714.900734][ T27] __schedule+0x414/0x5a0 [ 714.901610][ T27] schedule+0x64/0xa4 [ 714.902418][ T27] schedule_preempt_disabled+0x18/0x2c [ 714.903552][ T27] __mutex_lock_common+0x788/0xca8 [ 714.904637][ T27] mutex_lock_nested+0x38/0x44 [ 714.905577][ T27] usbdev_release+0x40/0x3b8 [ 714.906588][ T27] __fput+0x198/0x3dc [ 714.907408][ T27] ____fput+0x20/0x30 [ 714.908208][ T27] task_work_run+0xc4/0x14c [ 714.909122][ T27] do_notify_resume+0x174/0x1f0 [ 714.910104][ T27] el0_svc+0x9c/0x150 [ 714.910883][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.911896][ T27] el0t_64_sync+0x18c/0x190 [ 714.912879][ T27] INFO: task syz-executor102:3111 blocked for more than 143 seconds. [ 714.914533][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.916093][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.917890][ T27] task:syz-executor102 state:D stack: 0 pid: 3111 ppid: 3082 flags:0x00000001 [ 714.919755][ T27] Call trace: [ 714.920415][ T27] __switch_to+0x180/0x298 [ 714.921276][ T27] __schedule+0x414/0x5a0 [ 714.922416][ T27] schedule+0x64/0xa4 [ 714.923241][ T27] schedule_preempt_disabled+0x18/0x2c [ 714.924370][ T27] __mutex_lock_common+0x788/0xca8 [ 714.925376][ T27] mutex_lock_nested+0x38/0x44 [ 714.926361][ T27] usbdev_open+0xb0/0x370 [ 714.927273][ T27] chrdev_open+0x2b4/0x2e8 [ 714.928302][ T27] do_dentry_open+0x330/0x6d0 [ 714.929302][ T27] vfs_open+0x38/0x48 [ 714.930167][ T27] path_openat+0xe34/0x11c4 [ 714.931166][ T27] do_filp_open+0xdc/0x1b8 [ 714.932113][ T27] do_sys_openat2+0xb8/0x22c [ 714.933123][ T27] __arm64_sys_openat+0xb0/0xe0 [ 714.934215][ T27] el0_svc_common+0x138/0x220 [ 714.935221][ T27] do_el0_svc+0x48/0x164 [ 714.936090][ T27] el0_svc+0x58/0x150 [ 714.936911][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.938013][ T27] el0t_64_sync+0x18c/0x190 [ 714.939025][ T27] INFO: task syz-executor102:3112 blocked for more than 143 seconds. [ 714.940534][ T27] Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 714.942107][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 714.943982][ T27] task:syz-executor102 state:D stack: 0 pid: 3112 ppid: 3081 flags:0x00000001 [ 714.945764][ T27] Call trace: [ 714.946416][ T27] __switch_to+0x180/0x298 [ 714.947235][ T27] __schedule+0x414/0x5a0 [ 714.948232][ T27] schedule+0x64/0xa4 [ 714.949032][ T27] schedule_preempt_disabled+0x18/0x2c [ 714.950117][ T27] __mutex_lock_common+0x788/0xca8 [ 714.951116][ T27] mutex_lock_nested+0x38/0x44 [ 714.952025][ T27] usbdev_open+0xb0/0x370 [ 714.952696][ T27] chrdev_open+0x2b4/0x2e8 [ 714.953448][ T27] do_dentry_open+0x330/0x6d0 [ 714.954285][ T27] vfs_open+0x38/0x48 [ 714.954953][ T27] path_openat+0xe34/0x11c4 [ 714.955827][ T27] do_filp_open+0xdc/0x1b8 [ 714.956545][ T27] do_sys_openat2+0xb8/0x22c [ 714.957483][ T27] __arm64_sys_openat+0xb0/0xe0 [ 714.958475][ T27] el0_svc_common+0x138/0x220 [ 714.959412][ T27] do_el0_svc+0x48/0x164 [ 714.960258][ T27] el0_svc+0x58/0x150 [ 714.961059][ T27] el0t_64_sync_handler+0x84/0xf0 [ 714.962066][ T27] el0t_64_sync+0x18c/0x190 [ 714.962943][ T27] [ 714.962943][ T27] Showing all locks held in the system: [ 714.964430][ T27] 1 lock held by rcu_tasks_kthre/11: [ 714.965520][ T27] #0: ffff80000d433568 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.967869][ T27] 1 lock held by rcu_tasks_trace/12: [ 714.969044][ T27] #0: ffff80000d433bb8 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x3c/0x450 [ 714.971423][ T27] 5 locks held by kworker/1:1/23: [ 714.972757][ T27] #0: ffff0000c0c12138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x270/0x504 [ 714.975064][ T27] #1: ffff80000f27bd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 [ 714.977616][ T27] #2: ffff0000c6a1f990 (&dev->mutex){....}-{3:3}, at: hub_event+0x8c/0x658 [ 714.979514][ T27] #3: ffff0000c6a01508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect+0x33c/0xe30 [ 714.981592][ T27] #4: ffff0000c6663768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect+0x348/0xe30 [ 714.983728][ T27] 1 lock held by khungtaskd/27: [ 714.984652][ T27] #0: ffff80000d433440 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x48 [ 714.986534][ T27] 5 locks held by kworker/0:2/917: [ 714.987623][ T27] #0: ffff0000c0c12138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x270/0x504 [ 714.989775][ T27] #1: ffff800013c9bd80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 [ 714.992185][ T27] #2: ffff0000c6441190 (&dev->mutex){....}-{3:3}, at: hub_event+0x8c/0x658 [ 714.994057][ T27] #3: ffff0000c6443508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect+0x33c/0xe30 [ 714.996317][ T27] #4: ffff0000c6675e68 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect+0x348/0xe30 [ 714.998674][ T27] 1 lock held by klogd/2550: [ 714.999614][ T27] #0: ffff0001fefeec58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2c/0x44 [ 715.001735][ T27] 2 locks held by getty/2711: [ 715.002673][ T27] #0: ffff0000c794c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x28/0x58 [ 715.004720][ T27] #1: ffff80000f6162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x19c/0x89c [ 715.006931][ T27] 5 locks held by kworker/0:0/3088: [ 715.008026][ T27] #0: ffff0000c0c12138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x270/0x504 [ 715.010166][ T27] #1: ffff800012763d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 [ 715.012297][ T27] #2: ffff0000c695b990 (&dev->mutex){....}-{3:3}, at: hub_event+0x8c/0x658 [ 715.014022][ T27] #3: ffff0000c695d508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect+0x33c/0xe30 [ 715.016346][ T27] #4: ffff0000c6618768 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect+0x348/0xe30 [ 715.018891][ T27] 5 locks held by kworker/1:0/3090: [ 715.020041][ T27] #0: ffff0000c0c12138 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x270/0x504 [ 715.022244][ T27] #1: ffff800012783d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x29c/0x504 [ 715.024743][ T27] #2: ffff0000c69fd990 (&dev->mutex){....}-{3:3}, at: hub_event+0x8c/0x658 [ 715.026722][ T27] #3: ffff0000c69ff508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect+0x33c/0xe30 [ 715.028999][ T27] #4: ffff0000c6663168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect+0x348/0xe30 [ 715.031263][ T27] 1 lock held by syz-executor102/3093: [ 715.032471][ T27] #0: ffff0000c6a1f990 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x40/0x3b8 [ 715.034389][ T27] 1 lock held by syz-executor102/3102: [ 715.035580][ T27] #0: ffff0000c6a1f990 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x40/0x3b8 [ 715.037674][ T27] 1 lock held by syz-executor102/3105: [ 715.038819][ T27] #0: ffff0000c6a1f990 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x40/0x3b8 [ 715.040720][ T27] 1 lock held by syz-executor102/3107: [ 715.041833][ T27] #0: ffff0000c6a1f990 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x40/0x3b8 [ 715.043792][ T27] 1 lock held by syz-executor102/3111: [ 715.044997][ T27] #0: ffff0000c6a1f990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xb0/0x370 [ 715.046829][ T27] 1 lock held by syz-executor102/3112: [ 715.048009][ T27] #0: ffff0000c6a1f990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xb0/0x370 [ 715.049835][ T27] [ 715.050360][ T27] ============================================= [ 715.050360][ T27] [ 715.052330][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 715.053764][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 [ 715.055890][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 [ 715.058227][ T27] Call trace: [ 715.058915][ T27] dump_backtrace+0x1c4/0x1f0 [ 715.059936][ T27] show_stack+0x2c/0x54 [ 715.060874][ T27] dump_stack_lvl+0x104/0x16c [ 715.062004][ T27] dump_stack+0x1c/0x58 [ 715.063043][ T27] panic+0x218/0x50c [ 715.063826][ T27] hung_task_panic+0x0/0x2c [ 715.064800][ T27] kthread+0x12c/0x158 [ 715.065699][ T27] ret_from_fork+0x10/0x20 [ 715.066625][ T27] SMP: stopping secondary CPUs [ 715.067618][ T27] Kernel Offset: disabled [ 715.068474][ T27] CPU features: 0x00000,02070084,26017203 [ 715.069617][ T27] Memory Limit: none [ 715.235553][ T27] Rebooting in 86400 seconds..