Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 493.929212][ T7] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 493.939917][ T3178] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 493.947507][ T8444] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 493.956708][ T8452] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 493.964699][ T8453] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 493.973171][ T8457] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 494.179183][ T7] usb 2-1: Using ep0 maxpacket: 16 [ 494.184551][ T3178] usb 3-1: Using ep0 maxpacket: 16 [ 494.219247][ T8444] usb 6-1: Using ep0 maxpacket: 16 [ 494.224721][ T8452] usb 4-1: Using ep0 maxpacket: 16 [ 494.230217][ T8457] usb 1-1: Using ep0 maxpacket: 16 [ 494.235368][ T8453] usb 5-1: Using ep0 maxpacket: 16 [ 494.319450][ T7] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 494.329617][ T3178] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 494.339614][ T7] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 494.351035][ T8457] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 494.360847][ T3178] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 494.371395][ T8457] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 494.381731][ T8444] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 494.391681][ T8452] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 494.401355][ T8453] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 494.411090][ T7] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 494.422908][ T3178] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 494.433172][ T8452] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 494.443624][ T8453] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 494.453995][ T8444] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 494.464586][ T8457] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 494.475339][ T7] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 494.485913][ T3178] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 494.496530][ T8453] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 494.506975][ T8452] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 494.517465][ T8444] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 494.527838][ T8457] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 494.538326][ T7] usb 2-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 494.547843][ T3178] usb 3-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 494.557519][ T8453] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 494.567936][ T8452] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 494.578463][ T8444] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 494.589413][ T8457] usb 1-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 494.598527][ T8457] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 494.607368][ T7] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 494.615868][ T3178] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 494.624331][ T8453] usb 5-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 494.633859][ T8452] usb 4-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 494.643344][ T8444] usb 6-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 494.657909][ T8453] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 494.667679][ T8452] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 494.677859][ T8444] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 494.690590][ T7] ums-sddr09 2-1:1.0: USB Mass Storage device detected [ 494.699380][ T3178] ums-sddr09 3-1:1.0: USB Mass Storage device detected [ 494.707438][ T8457] ums-sddr09 1-1:1.0: USB Mass Storage device detected [ 494.760156][ T8453] ums-sddr09 5-1:1.0: USB Mass Storage device detected [ 494.768045][ T8452] ums-sddr09 4-1:1.0: USB Mass Storage device detected [ 494.779799][ T8444] ums-sddr09 6-1:1.0: USB Mass Storage device detected executing program executing program executing program [ 495.109836][ T8432] udc-core: couldn't find an available UDC or it's busy [ 495.111163][ T8439] udc-core: couldn't find an available UDC or it's busy [ 495.117164][ T8432] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 495.124333][ T8437] udc-core: couldn't find an available UDC or it's busy [ 495.138659][ T8439] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 495.146464][ T8437] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 495.207417][ T8457] ums-sddr09: probe of 1-1:1.0 failed with error -5 [ 495.218215][ T8457] usb 1-1: USB disconnect, device number 2 [ 495.226855][ T3178] ums-sddr09: probe of 3-1:1.0 failed with error -5 [ 495.233964][ T7] ums-sddr09: probe of 2-1:1.0 failed with error -5 [ 495.249435][ T7] usb 2-1: USB disconnect, device number 2 [ 495.256486][ T3178] usb 3-1: USB disconnect, device number 2 [ 715.690020][ T1652] INFO: task syz-executor121:8438 blocked for more than 143 seconds. [ 715.698590][ T1652] Not tainted 5.14.0-rc6-syzkaller #0 [ 715.705537][ T1652] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 715.714659][ T1652] task:syz-executor121 state:D stack:28176 pid: 8438 ppid: 8435 flags:0x00000004 [ 715.724217][ T1652] Call Trace: [ 715.728065][ T1652] __schedule+0x93a/0x26f0 [ 715.732543][ T1652] ? io_schedule_timeout+0x140/0x140 [ 715.738056][ T1652] schedule+0xd3/0x270 [ 715.742343][ T1652] schedule_preempt_disabled+0xf/0x20 [ 715.747715][ T1652] __mutex_lock+0x7b6/0x10a0 [ 715.752338][ T1652] ? misc_open+0x55/0x4a0 [ 715.756673][ T1652] ? mutex_lock_io_nested+0xf00/0xf00 [ 715.762093][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 715.766950][ T1652] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 715.773489][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 715.779781][ T1652] ? kobject_get_unless_zero+0x15a/0x1e0 [ 715.785802][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 715.790787][ T1652] misc_open+0x55/0x4a0 [ 715.794958][ T1652] ? misc_devnode+0x120/0x120 [ 715.799688][ T1652] chrdev_open+0x266/0x770 [ 715.804104][ T1652] ? cdev_device_add+0x210/0x210 [ 715.809225][ T1652] ? security_file_open+0x205/0x4f0 [ 715.814681][ T1652] do_dentry_open+0x4c8/0x11d0 [ 715.819521][ T1652] ? cdev_device_add+0x210/0x210 [ 715.824472][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 715.830777][ T1652] ? may_open+0x1f6/0x420 [ 715.835368][ T1652] path_openat+0x1c23/0x27f0 [ 715.840168][ T1652] ? path_lookupat+0x860/0x860 [ 715.844933][ T1652] ? mark_lock+0xef/0x17b0 [ 715.849385][ T1652] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 715.855366][ T1652] do_filp_open+0x1aa/0x400 [ 715.859902][ T1652] ? may_open_dev+0xf0/0xf0 [ 715.864408][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 715.869381][ T1652] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 715.875622][ T1652] ? _find_next_bit+0x1e3/0x260 [ 715.880514][ T1652] ? _raw_spin_unlock+0x24/0x40 [ 715.885370][ T1652] ? alloc_fd+0x2f0/0x670 [ 715.889746][ T1652] do_sys_openat2+0x16d/0x420 [ 715.894427][ T1652] ? build_open_flags+0x6f0/0x6f0 [ 715.899526][ T1652] ? __context_tracking_exit+0xb8/0xe0 [ 715.905207][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 715.910111][ T1652] __x64_sys_openat+0x13f/0x1f0 [ 715.915180][ T1652] ? __ia32_sys_open+0x1c0/0x1c0 [ 715.920185][ T1652] ? syscall_enter_from_user_mode+0x21/0x70 [ 715.926083][ T1652] do_syscall_64+0x35/0xb0 [ 715.930741][ T1652] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 715.936812][ T1652] RIP: 0033:0x4031a7 [ 715.940747][ T1652] RSP: 002b:00007fff3ddb8190 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 715.949169][ T1652] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00000000004031a7 [ 715.957214][ T1652] RDX: 0000000000000002 RSI: 000000000048803b RDI: 00000000ffffff9c [ 715.965246][ T1652] RBP: 000000000048803b R08: 0000000000000000 R09: 0000000000000000 [ 715.973491][ T1652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 715.981776][ T1652] R13: 0000000000000000 R14: 0000000000000076 R15: 00007fff3ddba2c0 [ 715.990440][ T1652] INFO: task syz-executor121:8440 blocked for more than 143 seconds. [ 715.998493][ T1652] Not tainted 5.14.0-rc6-syzkaller #0 [ 716.004588][ T1652] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.013523][ T1652] task:syz-executor121 state:D stack:28176 pid: 8440 ppid: 8434 flags:0x00000004 [ 716.022781][ T1652] Call Trace: [ 716.026057][ T1652] __schedule+0x93a/0x26f0 [ 716.030533][ T1652] ? io_schedule_timeout+0x140/0x140 [ 716.035916][ T1652] schedule+0xd3/0x270 [ 716.040123][ T1652] schedule_preempt_disabled+0xf/0x20 [ 716.045496][ T1652] __mutex_lock+0x7b6/0x10a0 [ 716.050136][ T1652] ? misc_open+0x55/0x4a0 [ 716.054557][ T1652] ? mutex_lock_io_nested+0xf00/0xf00 [ 716.060158][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.065016][ T1652] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.071329][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.077582][ T1652] ? kobject_get_unless_zero+0x15a/0x1e0 [ 716.083289][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 716.088240][ T1652] misc_open+0x55/0x4a0 [ 716.092503][ T1652] ? misc_devnode+0x120/0x120 [ 716.097181][ T1652] chrdev_open+0x266/0x770 [ 716.101647][ T1652] ? cdev_device_add+0x210/0x210 [ 716.106584][ T1652] ? security_file_open+0x205/0x4f0 [ 716.112000][ T1652] do_dentry_open+0x4c8/0x11d0 [ 716.116770][ T1652] ? cdev_device_add+0x210/0x210 [ 716.121802][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.128046][ T1652] ? may_open+0x1f6/0x420 [ 716.132442][ T1652] path_openat+0x1c23/0x27f0 [ 716.137040][ T1652] ? path_lookupat+0x860/0x860 [ 716.141852][ T1652] ? mark_lock+0xef/0x17b0 [ 716.146269][ T1652] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.152300][ T1652] do_filp_open+0x1aa/0x400 [ 716.157066][ T1652] ? may_open_dev+0xf0/0xf0 [ 716.161663][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 716.166600][ T1652] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 716.173142][ T1652] ? _find_next_bit+0x1e3/0x260 [ 716.178084][ T1652] ? _raw_spin_unlock+0x24/0x40 [ 716.182999][ T1652] ? alloc_fd+0x2f0/0x670 [ 716.187343][ T1652] do_sys_openat2+0x16d/0x420 [ 716.192108][ T1652] ? build_open_flags+0x6f0/0x6f0 [ 716.197141][ T1652] ? __context_tracking_exit+0xb8/0xe0 [ 716.204216][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.209074][ T1652] __x64_sys_openat+0x13f/0x1f0 [ 716.214368][ T1652] ? __ia32_sys_open+0x1c0/0x1c0 [ 716.219380][ T1652] ? syscall_enter_from_user_mode+0x21/0x70 [ 716.225280][ T1652] do_syscall_64+0x35/0xb0 [ 716.229906][ T1652] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.235973][ T1652] RIP: 0033:0x4031a7 [ 716.239906][ T1652] RSP: 002b:00007fff3ddb8190 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 716.248497][ T1652] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00000000004031a7 [ 716.256551][ T1652] RDX: 0000000000000002 RSI: 000000000048803b RDI: 00000000ffffff9c [ 716.264604][ T1652] RBP: 000000000048803b R08: 0000000000000000 R09: 0000000000000000 [ 716.272642][ T1652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 716.280655][ T1652] R13: 0000000000000000 R14: 0000000000000076 R15: 00007fff3ddba2c0 [ 716.288690][ T1652] INFO: task syz-executor121:8441 blocked for more than 143 seconds. [ 716.296831][ T1652] Not tainted 5.14.0-rc6-syzkaller #0 [ 716.302806][ T1652] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.311548][ T1652] task:syz-executor121 state:D stack:28176 pid: 8441 ppid: 8436 flags:0x00000004 [ 716.320819][ T1652] Call Trace: [ 716.324110][ T1652] __schedule+0x93a/0x26f0 [ 716.328539][ T1652] ? io_schedule_timeout+0x140/0x140 [ 716.333883][ T1652] schedule+0xd3/0x270 [ 716.337955][ T1652] schedule_preempt_disabled+0xf/0x20 [ 716.343371][ T1652] __mutex_lock+0x7b6/0x10a0 [ 716.347967][ T1652] ? misc_open+0x55/0x4a0 [ 716.352344][ T1652] ? mutex_lock_io_nested+0xf00/0xf00 [ 716.357721][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.362613][ T1652] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.368859][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.375163][ T1652] ? kobject_get_unless_zero+0x15a/0x1e0 [ 716.380843][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 716.385780][ T1652] misc_open+0x55/0x4a0 [ 716.389974][ T1652] ? misc_devnode+0x120/0x120 [ 716.394666][ T1652] chrdev_open+0x266/0x770 [ 716.399080][ T1652] ? cdev_device_add+0x210/0x210 [ 716.404255][ T1652] ? security_file_open+0x205/0x4f0 [ 716.409539][ T1652] do_dentry_open+0x4c8/0x11d0 [ 716.414403][ T1652] ? cdev_device_add+0x210/0x210 [ 716.419646][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.425892][ T1652] ? may_open+0x1f6/0x420 [ 716.430303][ T1652] path_openat+0x1c23/0x27f0 [ 716.434926][ T1652] ? path_lookupat+0x860/0x860 [ 716.439759][ T1652] ? mark_lock+0xef/0x17b0 [ 716.444187][ T1652] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.450252][ T1652] do_filp_open+0x1aa/0x400 [ 716.454770][ T1652] ? may_open_dev+0xf0/0xf0 [ 716.459411][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 716.464438][ T1652] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 716.470731][ T1652] ? _find_next_bit+0x1e3/0x260 [ 716.475756][ T1652] ? _raw_spin_unlock+0x24/0x40 [ 716.481003][ T1652] ? alloc_fd+0x2f0/0x670 [ 716.485432][ T1652] do_sys_openat2+0x16d/0x420 [ 716.490332][ T1652] ? build_open_flags+0x6f0/0x6f0 [ 716.496063][ T1652] ? __context_tracking_exit+0xb8/0xe0 [ 716.501751][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.506603][ T1652] __x64_sys_openat+0x13f/0x1f0 [ 716.511489][ T1652] ? __ia32_sys_open+0x1c0/0x1c0 [ 716.516427][ T1652] ? syscall_enter_from_user_mode+0x21/0x70 [ 716.522366][ T1652] do_syscall_64+0x35/0xb0 [ 716.526781][ T1652] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.532708][ T1652] RIP: 0033:0x4031a7 [ 716.536596][ T1652] RSP: 002b:00007fff3ddb8190 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 716.545040][ T1652] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00000000004031a7 [ 716.553088][ T1652] RDX: 0000000000000002 RSI: 000000000048803b RDI: 00000000ffffff9c [ 716.561118][ T1652] RBP: 000000000048803b R08: 0000000000000000 R09: 0000000000000000 [ 716.569097][ T1652] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 716.577629][ T1652] R13: 0000000000000000 R14: 0000000000000076 R15: 00007fff3ddba2c0 [ 716.585682][ T1652] INFO: task syz-executor121:8506 blocked for more than 144 seconds. [ 716.593789][ T1652] Not tainted 5.14.0-rc6-syzkaller #0 [ 716.599803][ T1652] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.608463][ T1652] task:syz-executor121 state:D stack:28176 pid: 8506 ppid: 8433 flags:0x00004004 [ 716.617708][ T1652] Call Trace: [ 716.621027][ T1652] __schedule+0x93a/0x26f0 [ 716.625452][ T1652] ? io_schedule_timeout+0x140/0x140 [ 716.631042][ T1652] schedule+0xd3/0x270 [ 716.635114][ T1652] schedule_preempt_disabled+0xf/0x20 [ 716.640527][ T1652] __mutex_lock+0x7b6/0x10a0 [ 716.645119][ T1652] ? misc_open+0x55/0x4a0 [ 716.649501][ T1652] ? mutex_lock_io_nested+0xf00/0xf00 [ 716.654875][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.659975][ T1652] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.666223][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.672573][ T1652] ? kobject_get_unless_zero+0x15a/0x1e0 [ 716.678383][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 716.683389][ T1652] misc_open+0x55/0x4a0 [ 716.687558][ T1652] ? misc_devnode+0x120/0x120 [ 716.692476][ T1652] chrdev_open+0x266/0x770 [ 716.696903][ T1652] ? cdev_device_add+0x210/0x210 [ 716.701902][ T1652] ? security_file_open+0x205/0x4f0 [ 716.707112][ T1652] do_dentry_open+0x4c8/0x11d0 [ 716.712180][ T1652] ? cdev_device_add+0x210/0x210 [ 716.717122][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.723417][ T1652] ? may_open+0x1f6/0x420 [ 716.727746][ T1652] path_openat+0x1c23/0x27f0 [ 716.732395][ T1652] ? path_lookupat+0x860/0x860 [ 716.737156][ T1652] ? find_held_lock+0x2d/0x110 [ 716.741965][ T1652] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.747957][ T1652] do_filp_open+0x1aa/0x400 [ 716.752525][ T1652] ? may_open_dev+0xf0/0xf0 [ 716.757038][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 716.762388][ T1652] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 716.768634][ T1652] ? _find_next_bit+0x1e3/0x260 [ 716.773539][ T1652] ? _raw_spin_unlock+0x24/0x40 [ 716.778571][ T1652] ? alloc_fd+0x2f0/0x670 [ 716.782960][ T1652] do_sys_openat2+0x16d/0x420 [ 716.787648][ T1652] ? build_open_flags+0x6f0/0x6f0 [ 716.792834][ T1652] ? __context_tracking_exit+0xb8/0xe0 [ 716.798482][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.803420][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.808291][ T1652] __x64_sys_openat+0x13f/0x1f0 [ 716.813233][ T1652] ? __ia32_sys_open+0x1c0/0x1c0 [ 716.818188][ T1652] ? syscall_enter_from_user_mode+0x21/0x70 [ 716.824154][ T1652] do_syscall_64+0x35/0xb0 [ 716.828578][ T1652] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.834540][ T1652] RIP: 0033:0x4453d9 [ 716.838435][ T1652] RSP: 002b:00007fff3ddba2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 716.846931][ T1652] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00000000004453d9 [ 716.854981][ T1652] RDX: 0000000000020601 RSI: 00000000200003c0 RDI: ffffffffffffff9c [ 716.863245][ T1652] RBP: 0000000000000000 R08: 00007fff3ddb9d20 R09: 0000000000000001 [ 716.871286][ T1652] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000007884d [ 716.879269][ T1652] R13: 00007fff3ddba2bc R14: 00007fff3ddba2d0 R15: 00007fff3ddba2c0 [ 716.887539][ T1652] INFO: task syz-executor121:8508 blocked for more than 144 seconds. [ 716.895680][ T1652] Not tainted 5.14.0-rc6-syzkaller #0 [ 716.901627][ T1652] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.910359][ T1652] task:syz-executor121 state:D stack:28176 pid: 8508 ppid: 8430 flags:0x00000004 [ 716.919636][ T1652] Call Trace: [ 716.923105][ T1652] __schedule+0x93a/0x26f0 [ 716.927537][ T1652] ? io_schedule_timeout+0x140/0x140 [ 716.932898][ T1652] schedule+0xd3/0x270 [ 716.936975][ T1652] schedule_preempt_disabled+0xf/0x20 [ 716.942620][ T1652] __mutex_lock+0x7b6/0x10a0 [ 716.947210][ T1652] ? misc_open+0x55/0x4a0 [ 716.951590][ T1652] ? mutex_lock_io_nested+0xf00/0xf00 [ 716.956973][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 716.961869][ T1652] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.968201][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.974525][ T1652] ? kobject_get_unless_zero+0x15a/0x1e0 [ 716.980350][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 716.985383][ T1652] misc_open+0x55/0x4a0 [ 716.989588][ T1652] ? misc_devnode+0x120/0x120 [ 716.994351][ T1652] chrdev_open+0x266/0x770 [ 716.998760][ T1652] ? cdev_device_add+0x210/0x210 [ 717.003847][ T1652] ? security_file_open+0x205/0x4f0 [ 717.009064][ T1652] do_dentry_open+0x4c8/0x11d0 [ 717.013877][ T1652] ? cdev_device_add+0x210/0x210 [ 717.018815][ T1652] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.025090][ T1652] ? may_open+0x1f6/0x420 [ 717.029552][ T1652] path_openat+0x1c23/0x27f0 [ 717.034142][ T1652] ? path_lookupat+0x860/0x860 [ 717.038882][ T1652] ? find_held_lock+0x2d/0x110 [ 717.043693][ T1652] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 717.049779][ T1652] do_filp_open+0x1aa/0x400 [ 717.054289][ T1652] ? may_open_dev+0xf0/0xf0 [ 717.058985][ T1652] ? rwlock_bug.part.0+0x90/0x90 [ 717.063963][ T1652] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 717.070243][ T1652] ? _find_next_bit+0x1e3/0x260 [ 717.075088][ T1652] ? _raw_spin_unlock+0x24/0x40 [ 717.079960][ T1652] ? alloc_fd+0x2f0/0x670 [ 717.084292][ T1652] do_sys_openat2+0x16d/0x420 [ 717.088951][ T1652] ? build_open_flags+0x6f0/0x6f0 [ 717.094005][ T1652] ? __context_tracking_exit+0xb8/0xe0 [ 717.099511][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 717.104356][ T1652] ? lock_downgrade+0x6e0/0x6e0 [ 717.109180][ T1652] __x64_sys_openat+0x13f/0x1f0 [ 717.114070][ T1652] ? __ia32_sys_open+0x1c0/0x1c0 [ 717.119010][ T1652] ? syscall_enter_from_user_mode+0x21/0x70 [ 717.124936][ T1652] do_syscall_64+0x35/0xb0 [ 717.129392][ T1652] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 717.135281][ T1652] RIP: 0033:0x4453d9 [ 717.139445][ T1652] RSP: 002b:00007fff3ddba2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 717.148032][ T1652] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00000000004453d9 [ 717.156295][ T1652] RDX: 0000000000020601 RSI: 00000000200003c0 RDI: ffffffffffffff9c [ 717.164323][ T1652] RBP: 0000000000000000 R08: 00007fff3ddb9d20 R09: 0000000000000001 [ 717.172435][ T1652] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000007884a [ 717.180491][ T1652] R13: 00007fff3ddba2bc R14: 00007fff3ddba2d0 R15: 00007fff3ddba2c0 [ 717.188491][ T1652] [ 717.188491][ T1652] Showing all locks held in the system: [ 717.196416][ T1652] 1 lock held by khungtaskd/1652: [ 717.201469][ T1652] #0: ffffffff8b97c280 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 717.211615][ T1652] 1 lock held by in:imklog/8135: [ 717.216542][ T1652] #0: ffff88801c636870 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 717.225712][ T1652] 1 lock held by syz-executor121/8438: [ 717.231372][ T1652] #0: ffffffff8c3b6308 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.240086][ T1652] 1 lock held by syz-executor121/8440: [ 717.245734][ T1652] #0: ffffffff8c3b6308 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.254216][ T1652] 1 lock held by syz-executor121/8441: [ 717.259932][ T1652] #0: ffffffff8c3b6308 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.268372][ T1652] 5 locks held by kworker/0:0/8444: [ 717.273854][ T1652] #0: ffff888018abe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1630 [ 717.284607][ T1652] #1: ffffc9000169fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1630 [ 717.295892][ T1652] #2: ffff888021407220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.304840][ T1652] #3: ffff88801d961220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.314155][ T1652] #4: ffff888028f3b1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.323470][ T1652] 5 locks held by kworker/0:2/8452: [ 717.328674][ T1652] #0: ffff888018abe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1630 [ 717.339443][ T1652] #1: ffffc9000172fdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1630 [ 717.350742][ T1652] #2: ffff8880212ef220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.359679][ T1652] #3: ffff88801db87220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.368908][ T1652] #4: ffff888028f3a1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.378193][ T1652] 5 locks held by kworker/0:4/8453: [ 717.383428][ T1652] #0: ffff888018abe938 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x871/0x1630 [ 717.394176][ T1652] #1: ffffc900016cfdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1630 [ 717.405465][ T1652] #2: ffff888021307220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.414400][ T1652] #3: ffff88801db86220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.423677][ T1652] #4: ffff888028f3e1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.432979][ T1652] 2 locks held by syz-executor121/8503: [ 717.438611][ T1652] #0: ffffffff8c3b6308 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.447416][ T1652] #1: ffffffff8b84c428 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x3b/0x2a0 [ 717.457604][ T1652] 1 lock held by syz-executor121/8506: [ 717.463130][ T1652] #0: ffffffff8c3b6308 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.471653][ T1652] 1 lock held by syz-executor121/8508: [ 717.477103][ T1652] #0: ffffffff8c3b6308 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.485612][ T1652] [ 717.487929][ T1652] ============================================= [ 717.487929][ T1652] [ 717.496363][ T1652] NMI backtrace for cpu 1 [ 717.500718][ T1652] CPU: 1 PID: 1652 Comm: khungtaskd Not tainted 5.14.0-rc6-syzkaller #0 [ 717.509031][ T1652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.519063][ T1652] Call Trace: [ 717.522322][ T1652] dump_stack_lvl+0xcd/0x134 [ 717.526897][ T1652] nmi_cpu_backtrace.cold+0x44/0xd7 [ 717.532246][ T1652] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.538031][ T1652] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 717.544206][ T1652] watchdog+0xd0a/0xfc0 [ 717.548343][ T1652] ? reset_hung_task_detector+0x30/0x30 [ 717.553867][ T1652] kthread+0x3e5/0x4d0 [ 717.557917][ T1652] ? set_kthread_struct+0x130/0x130 [ 717.563097][ T1652] ret_from_fork+0x1f/0x30 [ 717.567596][ T1652] Sending NMI from CPU 1 to CPUs 0: [ 717.573285][ C0] NMI backtrace for cpu 0 [ 717.573294][ C0] CPU: 0 PID: 25 Comm: kworker/u4:2 Not tainted 5.14.0-rc6-syzkaller #0 [ 717.573302][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.573309][ C0] Workqueue: events_unbound toggle_allocation_gate [ 717.573320][ C0] RIP: 0010:kasan_check_range+0x63/0x180 [ 717.573328][ C0] Code: 00 00 00 00 00 fc ff df 4d 89 ca 48 c1 ed 03 49 c1 ea 03 48 01 c5 49 01 c2 48 89 e8 49 8d 5a 01 48 89 da 48 29 ea 48 83 fa 10 <7e> 63 41 89 eb 41 83 e3 07 75 74 4c 8d 5a 07 48 85 d2 4c 0f 49 da [ 717.573340][ C0] RSP: 0018:ffffc90000dff770 EFLAGS: 00000083 [ 717.573349][ C0] RAX: fffffbfff1f9a91e RBX: fffffbfff1f9a91f RCX: ffffffff815acce2 [ 717.573355][ C0] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff8fcd48f0 [ 717.573362][ C0] RBP: fffffbfff1f9a91e R08: 0000000000000000 R09: ffffffff8fcd48f7 [ 717.573368][ C0] R10: fffffbfff1f9a91e R11: 000000000000003f R12: ffff888011b8df78 [ 717.573375][ C0] R13: ffff888011b8d4c0 R14: 0000000000000000 R15: 9003074182af4f12 [ 717.573382][ C0] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 717.573389][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.573395][ C0] CR2: 00007f1701a17000 CR3: 000000000b68e000 CR4: 0000000000350ef0 [ 717.573400][ C0] Call Trace: [ 717.573403][ C0] __lock_acquire+0xbc2/0x54a0 [ 717.573408][ C0] ? __lock_acquire+0x162f/0x54a0 [ 717.573412][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 717.573417][ C0] ? mark_lock+0xef/0x17b0 [ 717.573421][ C0] lock_acquire+0x1ab/0x510 [ 717.573425][ C0] ? __get_locked_pte+0x2b6/0x4d0 [ 717.573429][ C0] ? lock_release+0x720/0x720 [ 717.573433][ C0] ? __text_poke+0x5d1/0x8c0 [ 717.573438][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 717.573442][ C0] _raw_spin_lock+0x2a/0x40 [ 717.573446][ C0] ? __get_locked_pte+0x2b6/0x4d0 [ 717.573450][ C0] __get_locked_pte+0x2b6/0x4d0 [ 717.573455][ C0] ? __kmalloc_node_track_caller+0xcc/0x360 [ 717.573459][ C0] __text_poke+0x1ab/0x8c0 [ 717.573463][ C0] ? text_poke_loc_init+0x340/0x340 [ 717.573468][ C0] ? __kmalloc_node_track_caller+0xcc/0x360 [ 717.573473][ C0] ? __kmalloc_node_track_caller+0xcc/0x360 [ 717.573478][ C0] text_poke_bp_batch+0x187/0x560 [ 717.573482][ C0] ? alternatives_enable_smp+0xf0/0xf0 [ 717.573487][ C0] ? mutex_lock_io_nested+0xf00/0xf00 [ 717.573492][ C0] ? __jump_label_patch+0xdf/0x1b0 [ 717.573496][ C0] ? arch_jump_label_transform_queue+0xa0/0x100 [ 717.573502][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.573507][ C0] ? __jump_label_update+0x351/0x400 [ 717.573511][ C0] text_poke_finish+0x16/0x30 [ 717.573515][ C0] arch_jump_label_transform_apply+0x13/0x20 [ 717.573520][ C0] jump_label_update+0x1d5/0x430 [ 717.573525][ C0] static_key_disable_cpuslocked+0x152/0x1b0 [ 717.573530][ C0] static_key_disable+0x16/0x20 [ 717.573534][ C0] toggle_allocation_gate+0x185/0x390 [ 717.573539][ C0] ? lock_release+0x720/0x720 [ 717.573543][ C0] ? wake_up_kfence_timer+0x20/0x20 [ 717.573547][ C0] process_one_work+0x98d/0x1630 [ 717.573552][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 717.573556][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 717.573560][ C0] ? _raw_spin_lock_irq+0x41/0x50 [ 717.573565][ C0] worker_thread+0x658/0x11f0 [ 717.573573][ C0] ? process_one_work+0x1630/0x1630 [ 717.573577][ C0] kthread+0x3e5/0x4d0 [ 717.573581][ C0] ? set_kthread_struct+0x130/0x130 [ 717.573585][ C0] ret_from_fork+0x1f/0x30 [ 717.573828][ T1652] Kernel panic - not syncing: hung_task: blocked tasks [ 717.917424][ T1652] CPU: 1 PID: 1652 Comm: khungtaskd Not tainted 5.14.0-rc6-syzkaller #0 [ 717.925928][ T1652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.935984][ T1652] Call Trace: [ 717.939259][ T1652] dump_stack_lvl+0xcd/0x134 [ 717.943855][ T1652] panic+0x306/0x73d [ 717.947834][ T1652] ? __warn_printk+0xf3/0xf3 [ 717.952424][ T1652] ? lockdep_hardirqs_on+0x79/0x100 [ 717.957713][ T1652] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 717.963950][ T1652] ? cpumask_next+0xa4/0xf0 [ 717.968539][ T1652] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 717.974348][ T1652] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 717.980071][ T1652] ? printk_safe_flush+0xea/0x160 [ 717.985087][ T1652] ? watchdog.cold+0x5/0x158 [ 717.989668][ T1652] watchdog.cold+0x16/0x158 [ 717.994167][ T1652] ? reset_hung_task_detector+0x30/0x30 [ 717.999703][ T1652] kthread+0x3e5/0x4d0 [ 718.003854][ T1652] ? set_kthread_struct+0x130/0x130 [ 718.009044][ T1652] ret_from_fork+0x1f/0x30 [ 718.019905][ T1652] Kernel Offset: disabled [ 718.024247][ T1652] Rebooting in 86400 seconds..