Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 834.017561][ T311] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 834.027660][ T121] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 834.037548][ T21] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 834.038179][ T12] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 834.045254][ T72] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 834.052785][ T336] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 834.267496][ T121] usb 6-1: Using ep0 maxpacket: 8 [ 834.272818][ T311] usb 1-1: Using ep0 maxpacket: 8 [ 834.307578][ T12] usb 5-1: Using ep0 maxpacket: 8 [ 834.312762][ T336] usb 4-1: Using ep0 maxpacket: 8 [ 834.327575][ T21] usb 3-1: Using ep0 maxpacket: 8 [ 834.333203][ T72] usb 2-1: Using ep0 maxpacket: 8 [ 834.397681][ T311] usb 1-1: config index 0 descriptor too short (expected 35867, got 27) [ 834.406273][ T311] usb 1-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 834.415296][ T311] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 834.425635][ T311] usb 1-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 834.434918][ T121] usb 6-1: config index 0 descriptor too short (expected 35867, got 27) [ 834.443326][ T121] usb 6-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 834.452155][ T121] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 834.462446][ T121] usb 6-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 834.467706][ T21] usb 3-1: config index 0 descriptor too short (expected 35867, got 27) [ 834.471662][ T12] usb 5-1: config index 0 descriptor too short (expected 35867, got 27) [ 834.479982][ T21] usb 3-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 834.488259][ T12] usb 5-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 834.497017][ T21] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 834.505870][ T12] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 834.516176][ T21] usb 3-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 834.527526][ T12] usb 5-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 834.536901][ T72] usb 2-1: config index 0 descriptor too short (expected 35867, got 27) [ 834.551185][ T121] usb 6-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 834.554266][ T72] usb 2-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 834.565297][ T121] usb 6-1: config 118 interface 0 has no altsetting 0 [ 834.574037][ T72] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 834.574057][ T72] usb 2-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 834.580886][ T121] usb 6-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 834.597672][ T72] usb 2-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 834.600345][ T121] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 834.609322][ T72] usb 2-1: config 118 interface 0 has no altsetting 0 [ 834.609354][ T72] usb 2-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 834.620573][ T336] usb 4-1: config index 0 descriptor too short (expected 35867, got 27) [ 834.628499][ T72] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 834.635217][ T336] usb 4-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 834.648487][ T21] usb 3-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 834.652647][ T336] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 834.652668][ T336] usb 4-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 834.660666][ T21] usb 3-1: config 118 interface 0 has no altsetting 0 [ 834.660700][ T21] usb 3-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 834.669691][ T311] usb 1-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 834.680636][ T21] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 834.734896][ T311] usb 1-1: config 118 interface 0 has no altsetting 0 [ 834.738654][ T21] hub 3-1:118.0: bad descriptor, ignoring hub [ 834.741733][ T311] usb 1-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 834.751221][ T72] hub 2-1:118.0: bad descriptor, ignoring hub [ 834.756785][ T311] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 834.771355][ T21] hub: probe of 3-1:118.0 failed with error -5 [ 834.779914][ T12] usb 5-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 834.780571][ T72] hub: probe of 2-1:118.0 failed with error -5 [ 834.790999][ T12] usb 5-1: config 118 interface 0 has no altsetting 0 [ 834.791041][ T12] usb 5-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 834.791057][ T12] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 834.796739][ T336] usb 4-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 834.810568][ T21] cdc_wdm 3-1:118.0: cdc-wdm0: USB WDM device [ 834.813238][ T336] usb 4-1: config 118 interface 0 has no altsetting 0 [ 834.813271][ T336] usb 4-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 834.827723][ T72] cdc_wdm 2-1:118.0: cdc-wdm1: USB WDM device [ 834.832296][ T336] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 834.868313][ T12] hub 5-1:118.0: bad descriptor, ignoring hub [ 834.868384][ T12] hub: probe of 5-1:118.0 failed with error -5 [ 834.869987][ T12] cdc_wdm 5-1:118.0: cdc-wdm2: USB WDM device [ 834.888665][ T121] hub 6-1:118.0: bad descriptor, ignoring hub [ 834.894798][ T121] hub: probe of 6-1:118.0 failed with error -5 [ 834.902141][ T336] hub 4-1:118.0: bad descriptor, ignoring hub [ 834.908811][ T311] hub 1-1:118.0: bad descriptor, ignoring hub [ 834.914946][ T311] hub: probe of 1-1:118.0 failed with error -5 [ 834.922096][ T336] hub: probe of 4-1:118.0 failed with error -5 [ 834.932616][ T311] cdc_wdm 1-1:118.0: cdc-wdm3: USB WDM device [ 835.049468][ T121] cdc_wdm 6-1:118.0: cdc-wdm4: USB WDM device [ 835.057315][ T336] cdc_wdm 4-1:118.0: cdc-wdm5: USB WDM device [ 984.307072][ T23] INFO: task syz-executor727:321 blocked for more than 143 seconds. [ 984.315276][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 984.321195][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.329938][ T23] task:syz-executor727 state:D stack:28816 pid: 321 ppid: 319 flags:0x80004006 [ 984.339195][ T23] Call Trace: [ 984.342552][ T23] __schedule+0x889/0x1f70 [ 984.347018][ T23] ? io_schedule_timeout+0x140/0x140 [ 984.352418][ T23] ? prepare_to_wait_event+0x129/0x650 [ 984.357926][ T23] schedule+0xcd/0x2b0 [ 984.362088][ T23] wdm_flush+0x2e9/0x3c0 [ 984.366339][ T23] ? wdm_probe+0x2d0/0x2d0 [ 984.370812][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 984.376544][ T23] ? find_held_lock+0x2d/0x110 [ 984.381364][ T23] ? wdm_probe+0x2d0/0x2d0 [ 984.385850][ T23] filp_close+0xb4/0x170 [ 984.390216][ T23] put_files_struct+0x1d0/0x350 [ 984.395076][ T23] exit_files+0x7e/0xa0 [ 984.399361][ T23] do_exit+0xb75/0x2890 [ 984.403591][ T23] ? lock_acquire+0x183/0x950 [ 984.408324][ T23] ? find_held_lock+0x2d/0x110 [ 984.413125][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 984.418601][ T23] ? get_signal+0x354/0x1f10 [ 984.423209][ T23] ? lock_downgrade+0x740/0x740 [ 984.428112][ T23] ? do_raw_spin_lock+0x120/0x260 [ 984.433180][ T23] do_group_exit+0x125/0x310 [ 984.437873][ T23] get_signal+0x42d/0x1f10 [ 984.442400][ T23] ? kmem_cache_free+0x82/0x490 [ 984.447358][ T23] ? putname+0xe1/0x120 [ 984.451617][ T23] arch_do_signal+0x88/0x1a00 [ 984.456282][ T23] ? putname+0xe1/0x120 [ 984.460515][ T23] ? do_sys_openat2+0xa1/0x420 [ 984.465282][ T23] ? restore_sigcontext+0x620/0x620 [ 984.470574][ T23] ? build_open_flags+0x650/0x650 [ 984.475758][ T23] ? put_timespec64+0x120/0x120 [ 984.480783][ T23] ? raw_ioctl+0x1df/0x2513 [ 984.485303][ T23] ? __x64_sys_open+0x119/0x1c0 [ 984.490201][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 984.495929][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 984.501958][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 984.507576][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 984.513153][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 984.519118][ T23] RIP: 0033:0x401c10 [ 984.523032][ T23] Code: Bad RIP value. [ 984.527151][ T23] RSP: 002b:00007fffcf515bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 984.535583][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000401c10 [ 984.543654][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fffcf515bf0 [ 984.551736][ T23] RBP: 00000000006d0018 R08: 0000000000000000 R09: 000000000000000f [ 984.559819][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402c30 [ 984.567977][ T23] R13: 0000000000402cc0 R14: 0000000000000000 R15: 0000000000000000 [ 984.576230][ T23] INFO: task syz-executor727:326 blocked for more than 143 seconds. [ 984.584414][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 984.590328][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.599687][ T23] task:syz-executor727 state:D stack:26744 pid: 326 ppid: 322 flags:0x80000002 [ 984.608938][ T23] Call Trace: [ 984.612232][ T23] __schedule+0x889/0x1f70 [ 984.616659][ T23] ? io_schedule_timeout+0x140/0x140 [ 984.622034][ T23] ? prepare_to_wait_event+0x129/0x650 [ 984.627574][ T23] schedule+0xcd/0x2b0 [ 984.631645][ T23] wdm_flush+0x2e9/0x3c0 [ 984.635885][ T23] ? wdm_probe+0x2d0/0x2d0 [ 984.640439][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 984.646182][ T23] ? find_held_lock+0x2d/0x110 [ 984.650998][ T23] ? wdm_probe+0x2d0/0x2d0 [ 984.655430][ T23] filp_close+0xb4/0x170 [ 984.659736][ T23] put_files_struct+0x1d0/0x350 [ 984.664589][ T23] exit_files+0x7e/0xa0 [ 984.668799][ T23] do_exit+0xb75/0x2890 [ 984.672957][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 984.678397][ T23] do_group_exit+0x125/0x310 [ 984.683001][ T23] __x64_sys_exit_group+0x3a/0x50 [ 984.688075][ T23] do_syscall_64+0x2d/0x40 [ 984.693194][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 984.699147][ T23] RIP: 0033:0x444788 [ 984.703047][ T23] Code: Bad RIP value. [ 984.707200][ T23] RSP: 002b:00007fffcf515c48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 984.715604][ T23] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444788 [ 984.723642][ T23] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 984.731740][ T23] RBP: 00000000004c43d0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 984.739845][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 984.747879][ T23] R13: 00000000006d9420 R14: 0000000000000000 R15: 0000000000000000 [ 984.755874][ T23] INFO: task syz-executor727:327 blocked for more than 143 seconds. [ 984.763954][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 984.769811][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 984.778569][ T23] task:syz-executor727 state:D stack:28160 pid: 327 ppid: 325 flags:0x80004006 [ 984.787834][ T23] Call Trace: [ 984.791164][ T23] __schedule+0x889/0x1f70 [ 984.795563][ T23] ? io_schedule_timeout+0x140/0x140 [ 984.800917][ T23] ? prepare_to_wait_event+0x129/0x650 [ 984.806381][ T23] schedule+0xcd/0x2b0 [ 984.810531][ T23] wdm_flush+0x2e9/0x3c0 [ 984.814790][ T23] ? wdm_probe+0x2d0/0x2d0 [ 984.819270][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 984.824989][ T23] ? find_held_lock+0x2d/0x110 [ 984.829832][ T23] ? wdm_probe+0x2d0/0x2d0 [ 984.837625][ T23] filp_close+0xb4/0x170 [ 984.841862][ T23] put_files_struct+0x1d0/0x350 [ 984.846708][ T23] exit_files+0x7e/0xa0 [ 984.850917][ T23] do_exit+0xb75/0x2890 [ 984.855093][ T23] ? lock_acquire+0x183/0x950 [ 984.860002][ T23] ? find_held_lock+0x2d/0x110 [ 984.864782][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 984.870185][ T23] ? get_signal+0x354/0x1f10 [ 984.874786][ T23] ? lock_downgrade+0x740/0x740 [ 984.879705][ T23] ? do_raw_spin_lock+0x120/0x260 [ 984.885167][ T23] do_group_exit+0x125/0x310 [ 984.889816][ T23] get_signal+0x42d/0x1f10 [ 984.894261][ T23] ? kmem_cache_free+0x82/0x490 [ 984.899186][ T23] ? putname+0xe1/0x120 [ 984.903361][ T23] arch_do_signal+0x88/0x1a00 [ 984.908087][ T23] ? putname+0xe1/0x120 [ 984.912257][ T23] ? do_sys_openat2+0xa1/0x420 [ 984.917084][ T23] ? restore_sigcontext+0x620/0x620 [ 984.922282][ T23] ? build_open_flags+0x650/0x650 [ 984.927395][ T23] ? put_timespec64+0x120/0x120 [ 984.932258][ T23] ? raw_ioctl+0x1df/0x2513 [ 984.936742][ T23] ? __x64_sys_open+0x119/0x1c0 [ 984.941704][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 984.947482][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 984.953484][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 984.959099][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 984.964670][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 984.970612][ T23] RIP: 0033:0x401c10 [ 984.974520][ T23] Code: Bad RIP value. [ 984.978653][ T23] RSP: 002b:00007fffcf515bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 984.987114][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000401c10 [ 984.995081][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fffcf515bf0 [ 985.003838][ T23] RBP: 00000000006d0018 R08: 0000000000000000 R09: 000000000000000f [ 985.011914][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402c30 [ 985.019969][ T23] R13: 0000000000402cc0 R14: 0000000000000000 R15: 0000000000000000 [ 985.028054][ T23] INFO: task syz-executor727:328 blocked for more than 144 seconds. [ 985.036026][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 985.041912][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 985.050742][ T23] task:syz-executor727 state:D stack:28816 pid: 328 ppid: 320 flags:0x80004006 [ 985.060000][ T23] Call Trace: [ 985.063305][ T23] __schedule+0x889/0x1f70 [ 985.067765][ T23] ? io_schedule_timeout+0x140/0x140 [ 985.073075][ T23] ? prepare_to_wait_event+0x129/0x650 [ 985.078583][ T23] schedule+0xcd/0x2b0 [ 985.083596][ T23] wdm_flush+0x2e9/0x3c0 [ 985.087887][ T23] ? wdm_probe+0x2d0/0x2d0 [ 985.092308][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 985.098060][ T23] ? find_held_lock+0x2d/0x110 [ 985.102840][ T23] ? wdm_probe+0x2d0/0x2d0 [ 985.107291][ T23] filp_close+0xb4/0x170 [ 985.111552][ T23] put_files_struct+0x1d0/0x350 [ 985.116407][ T23] exit_files+0x7e/0xa0 [ 985.120604][ T23] do_exit+0xb75/0x2890 [ 985.124841][ T23] ? lock_acquire+0x183/0x950 [ 985.129601][ T23] ? find_held_lock+0x2d/0x110 [ 985.134416][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 985.139970][ T23] ? get_signal+0x354/0x1f10 [ 985.144574][ T23] ? lock_downgrade+0x740/0x740 [ 985.149482][ T23] ? do_raw_spin_lock+0x120/0x260 [ 985.154510][ T23] do_group_exit+0x125/0x310 [ 985.159155][ T23] get_signal+0x42d/0x1f10 [ 985.163630][ T23] ? rcu_read_lock_sched_held+0x3a/0x70 [ 985.169210][ T23] ? kfree+0x38a/0x470 [ 985.173283][ T23] arch_do_signal+0x88/0x1a00 [ 985.177995][ T23] ? wdm_int_callback+0x7c0/0x7c0 [ 985.183022][ T23] ? find_held_lock+0x2d/0x110 [ 985.188220][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 985.194021][ T23] ? restore_sigcontext+0x620/0x620 [ 985.199290][ T23] ? wdm_int_callback+0x7c0/0x7c0 [ 985.206892][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 985.212708][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 985.218769][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 985.224322][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 985.229914][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 985.235827][ T23] RIP: 0033:0x445b39 [ 985.239767][ T23] Code: Bad RIP value. [ 985.243828][ T23] RSP: 002b:00007fffcf515c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 985.252328][ T23] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000445b39 [ 985.260395][ T23] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 985.268437][ T23] RBP: 00000000006d0018 R08: 000000000000000f R09: 00000000004002e0 [ 985.276431][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402c30 [ 985.284749][ T23] R13: 0000000000402cc0 R14: 0000000000000000 R15: 0000000000000000 [ 985.292847][ T23] INFO: task syz-executor727:333 blocked for more than 144 seconds. [ 985.300948][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 985.306753][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 985.315487][ T23] task:syz-executor727 state:D stack:28544 pid: 333 ppid: 324 flags:0x80004006 [ 985.324784][ T23] Call Trace: [ 985.328165][ T23] __schedule+0x889/0x1f70 [ 985.332594][ T23] ? io_schedule_timeout+0x140/0x140 [ 985.337921][ T23] ? prepare_to_wait_event+0x129/0x650 [ 985.343384][ T23] schedule+0xcd/0x2b0 [ 985.347516][ T23] wdm_flush+0x2e9/0x3c0 [ 985.351762][ T23] ? wdm_probe+0x2d0/0x2d0 [ 985.356158][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 985.361925][ T23] ? find_held_lock+0x2d/0x110 [ 985.366696][ T23] ? wdm_probe+0x2d0/0x2d0 [ 985.371172][ T23] filp_close+0xb4/0x170 [ 985.375424][ T23] put_files_struct+0x1d0/0x350 [ 985.380337][ T23] exit_files+0x7e/0xa0 [ 985.384524][ T23] do_exit+0xb75/0x2890 [ 985.388738][ T23] ? lock_acquire+0x183/0x950 [ 985.393440][ T23] ? find_held_lock+0x2d/0x110 [ 985.398254][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 985.403643][ T23] ? get_signal+0x354/0x1f10 [ 985.408293][ T23] ? lock_downgrade+0x740/0x740 [ 985.413160][ T23] ? do_raw_spin_lock+0x120/0x260 [ 985.418246][ T23] do_group_exit+0x125/0x310 [ 985.422852][ T23] get_signal+0x42d/0x1f10 [ 985.427314][ T23] ? rcu_read_lock_sched_held+0x3a/0x70 [ 985.432878][ T23] ? kfree+0x38a/0x470 [ 985.437008][ T23] arch_do_signal+0x88/0x1a00 [ 985.441683][ T23] ? wdm_int_callback+0x7c0/0x7c0 [ 985.446699][ T23] ? find_held_lock+0x2d/0x110 [ 985.451532][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 985.457320][ T23] ? restore_sigcontext+0x620/0x620 [ 985.462532][ T23] ? wdm_int_callback+0x7c0/0x7c0 [ 985.467616][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 985.473338][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 985.479358][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 985.484906][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 985.490489][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 985.496977][ T23] RIP: 0033:0x445b39 [ 985.500892][ T23] Code: Bad RIP value. [ 985.504945][ T23] RSP: 002b:00007fffcf515c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 985.513413][ T23] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000445b39 [ 985.521446][ T23] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 985.529485][ T23] RBP: 00000000006d0018 R08: 000000000000000f R09: 00000000004002e0 [ 985.537516][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402c30 [ 985.545497][ T23] R13: 0000000000402cc0 R14: 0000000000000000 R15: 0000000000000000 [ 985.554320][ T23] INFO: task syz-executor727:334 blocked for more than 144 seconds. [ 985.562359][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 985.568308][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 985.577061][ T23] task:syz-executor727 state:D stack:28792 pid: 334 ppid: 323 flags:0x80004006 [ 985.586344][ T23] Call Trace: [ 985.589677][ T23] __schedule+0x889/0x1f70 [ 985.594111][ T23] ? io_schedule_timeout+0x140/0x140 [ 985.599457][ T23] ? prepare_to_wait_event+0x129/0x650 [ 985.604919][ T23] schedule+0xcd/0x2b0 [ 985.609016][ T23] wdm_flush+0x2e9/0x3c0 [ 985.613260][ T23] ? wdm_probe+0x2d0/0x2d0 [ 985.617707][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 985.623426][ T23] ? find_held_lock+0x2d/0x110 [ 985.628225][ T23] ? wdm_probe+0x2d0/0x2d0 [ 985.632652][ T23] filp_close+0xb4/0x170 [ 985.636869][ T23] put_files_struct+0x1d0/0x350 [ 985.641744][ T23] exit_files+0x7e/0xa0 [ 985.645892][ T23] do_exit+0xb75/0x2890 [ 985.650077][ T23] ? lock_acquire+0x183/0x950 [ 985.654772][ T23] ? find_held_lock+0x2d/0x110 [ 985.659565][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 985.664944][ T23] ? get_signal+0x354/0x1f10 [ 985.670617][ T23] ? lock_downgrade+0x740/0x740 [ 985.675466][ T23] ? do_raw_spin_lock+0x120/0x260 [ 985.680521][ T23] do_group_exit+0x125/0x310 [ 985.685109][ T23] get_signal+0x42d/0x1f10 [ 985.689553][ T23] ? kmem_cache_free+0x82/0x490 [ 985.694418][ T23] ? putname+0xe1/0x120 [ 985.698640][ T23] arch_do_signal+0x88/0x1a00 [ 985.703314][ T23] ? putname+0xe1/0x120 [ 985.707495][ T23] ? do_sys_openat2+0xa1/0x420 [ 985.712274][ T23] ? restore_sigcontext+0x620/0x620 [ 985.717505][ T23] ? build_open_flags+0x650/0x650 [ 985.722531][ T23] ? put_timespec64+0x120/0x120 [ 985.727418][ T23] ? raw_ioctl+0x1df/0x2513 [ 985.731931][ T23] ? __x64_sys_open+0x119/0x1c0 [ 985.736757][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 985.742505][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 985.748546][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 985.754112][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 985.759688][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 985.765596][ T23] RIP: 0033:0x401c10 [ 985.769549][ T23] Code: Bad RIP value. [ 985.773627][ T23] RSP: 002b:00007fffcf515bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 985.782127][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 0000000000401c10 [ 985.790219][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007fffcf515bf0 [ 985.798241][ T23] RBP: 00000000006d0018 R08: 0000000000000000 R09: 000000000000000f [ 985.806217][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402c30 [ 985.814225][ T23] R13: 0000000000402cc0 R14: 0000000000000000 R15: 0000000000000000 [ 985.822273][ T23] [ 985.822273][ T23] Showing all locks held in the system: [ 985.830055][ T23] 1 lock held by khungtaskd/23: [ 985.834908][ T23] #0: ffffffff87313620 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x264 [ 985.844803][ T23] 1 lock held by in:imklog/229: [ 985.849694][ T23] #0: ffff8881c9834370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 985.858941][ T23] [ 985.861263][ T23] ============================================= [ 985.861263][ T23] [ 985.869698][ T23] NMI backtrace for cpu 1 [ 985.874019][ T23] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 5.9.0-rc1-syzkaller #0 [ 985.882053][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 985.892101][ T23] Call Trace: [ 985.895489][ T23] dump_stack+0xf6/0x16e [ 985.899742][ T23] ? lapic_can_unplug_cpu.cold+0x29/0x38 [ 985.905366][ T23] nmi_cpu_backtrace.cold+0x74/0xb6 [ 985.910574][ T23] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 985.916221][ T23] nmi_trigger_cpumask_backtrace+0x1da/0x1f4 [ 985.922383][ T23] watchdog+0xd6a/0xfd0 [ 985.926564][ T23] ? reset_hung_task_detector+0x30/0x30 [ 985.932159][ T23] kthread+0x392/0x470 [ 985.936217][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 985.942114][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 985.948037][ T23] ret_from_fork+0x1f/0x30 [ 985.952541][ T23] Sending NMI from CPU 1 to CPUs 0: [ 985.958278][ C0] NMI backtrace for cpu 0 [ 985.958284][ C0] CPU: 0 PID: 116 Comm: systemd-journal Not tainted 5.9.0-rc1-syzkaller #0 [ 985.958290][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 985.958294][ C0] RIP: 0010:write_comp_data+0xa/0x80 [ 985.958304][ C0] Code: 65 48 8b 04 25 40 ef 01 00 48 8b 80 48 13 00 00 c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 49 89 f2 65 8b 05 e6 f6 c1 7e <65> 48 8b 34 25 40 ef 01 00 a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b [ 985.958308][ C0] RSP: 0018:ffff8881d1e7fc08 EFLAGS: 00000246 [ 985.958316][ C0] RAX: 0000000080000001 RBX: dffffc0000000000 RCX: ffffffff814aacd9 [ 985.958321][ C0] RDX: 00000000000000a4 RSI: 0000000000000027 RDI: 0000000000000006 [ 985.958325][ C0] RBP: ffff8881d1e7fcd8 R08: 0000000000000001 R09: 0000000000000001 [ 985.958330][ C0] R10: 0000000000000027 R11: 0000000000000000 R12: 00000000000000a4 [ 985.958335][ C0] R13: ffffed103a3cff9d R14: 0000000000000027 R15: ffffc900008cc0c0 [ 985.958340][ C0] FS: 00007f2f415758c0(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 985.958345][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 985.958350][ C0] CR2: 00007f2f3e8fd018 CR3: 00000001d2b2b000 CR4: 00000000001506f0 [ 985.958354][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 985.958359][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 985.958362][ C0] Call Trace: [ 985.958365][ C0] ___bpf_prog_run+0x4419/0x6640 [ 985.958369][ C0] ? trace_hardirqs_on+0x5f/0x200 [ 985.958372][ C0] __bpf_prog_run32+0x8f/0xd0 [ 985.958376][ C0] ? __bpf_prog_run64+0xd0/0xd0 [ 985.958379][ C0] ? __lock_acquire+0xbb4/0x5470 [ 985.958382][ C0] ? up_write+0x191/0x560 [ 985.958386][ C0] __seccomp_filter+0x14e/0x14c0 [ 985.958389][ C0] ? seccomp_notify_ioctl+0xd90/0xd90 [ 985.958393][ C0] ? lock_acquire+0x183/0x950 [ 985.958396][ C0] ? pid_task+0x120/0x120 [ 985.958399][ C0] ? find_held_lock+0x2d/0x110 [ 985.958403][ C0] ? __task_pid_nr_ns+0x1b9/0x490 [ 985.958406][ C0] __secure_computing+0xac/0x290 [ 985.958410][ C0] syscall_enter_from_user_mode+0xee/0x270 [ 985.958413][ C0] do_syscall_64+0xf/0x40 [ 985.958417][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 985.958420][ C0] RIP: 0033:0x7f2f4080ef17 [ 985.958430][ C0] Code: ff ff ff 48 8b 4d a0 0f b7 51 fe 48 8b 4d a8 66 89 54 08 fe e9 1a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00 [ 985.958434][ C0] RSP: 002b:00007ffea95df988 EFLAGS: 00000202 ORIG_RAX: 0000000000000027 [ 985.958443][ C0] RAX: ffffffffffffffda RBX: 0000000000000074 RCX: 00007f2f4080ef17 [ 985.958448][ C0] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 000055adad8d71e0 [ 985.958453][ C0] RBP: 000055adad8d71e0 R08: 0000000000000008 R09: 000055adad8d925c [ 985.958457][ C0] R10: 00007ffea95e9080 R11: 0000000000000202 R12: ffffffffffffffff [ 985.958462][ C0] R13: 00007ffea95dfa58 R14: 000055adad4b0958 R15: 0005addba89e1b8e [ 985.958788][ T23] Kernel panic - not syncing: hung_task: blocked tasks [ 986.253030][ T23] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 5.9.0-rc1-syzkaller #0 [ 986.261067][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 986.271104][ T23] Call Trace: [ 986.274372][ T23] dump_stack+0xf6/0x16e [ 986.278589][ T23] panic+0x2aa/0x6e1 [ 986.282460][ T23] ? __warn_printk+0xf3/0xf3 [ 986.287035][ T23] ? cpumask_next+0x3c/0x40 [ 986.291523][ T23] ? printk_safe_flush+0xd6/0x120 [ 986.296518][ T23] ? watchdog.cold+0x5/0x16b [ 986.301085][ T23] ? watchdog+0xa8f/0xfd0 [ 986.305389][ T23] watchdog.cold+0x16/0x16b [ 986.309882][ T23] ? reset_hung_task_detector+0x30/0x30 [ 986.315413][ T23] kthread+0x392/0x470 [ 986.319478][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 986.325359][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 986.331234][ T23] ret_from_fork+0x1f/0x30 [ 986.336287][ T23] Kernel Offset: disabled [ 986.340610][ T23] Rebooting in 86400 seconds..