Warning: Permanently added '10.128.0.149' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 847.215047][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 847.215062][ T21] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 847.230230][ T72] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 847.237815][ T343] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 847.245382][ T340] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 847.252920][ T320] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 847.485007][ T340] usb 5-1: Using ep0 maxpacket: 8 [ 847.495763][ T320] usb 3-1: Using ep0 maxpacket: 8 [ 847.500909][ T343] usb 6-1: Using ep0 maxpacket: 8 [ 847.504953][ T12] usb 1-1: Using ep0 maxpacket: 8 [ 847.507937][ T72] usb 4-1: Using ep0 maxpacket: 8 [ 847.516228][ T21] usb 2-1: Using ep0 maxpacket: 8 [ 847.605146][ T340] usb 5-1: config index 0 descriptor too short (expected 35867, got 27) [ 847.613673][ T340] usb 5-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 847.622680][ T340] usb 5-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 847.633103][ T340] usb 5-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 847.642715][ T320] usb 3-1: config index 0 descriptor too short (expected 35867, got 27) [ 847.651681][ T320] usb 3-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 847.655189][ T12] usb 1-1: config index 0 descriptor too short (expected 35867, got 27) [ 847.660557][ T320] usb 3-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 847.660577][ T320] usb 3-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 847.668989][ T12] usb 1-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 847.679287][ T343] usb 6-1: config index 0 descriptor too short (expected 35867, got 27) [ 847.688374][ T12] usb 1-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 847.688393][ T12] usb 1-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 847.697221][ T343] usb 6-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 847.705663][ T12] usb 1-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 847.715905][ T343] usb 6-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 847.715924][ T343] usb 6-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 847.725089][ T12] usb 1-1: config 118 interface 0 has no altsetting 0 [ 847.733897][ T21] usb 2-1: config index 0 descriptor too short (expected 35867, got 27) [ 847.745051][ T12] usb 1-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 847.755230][ T21] usb 2-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 847.764336][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 847.771131][ T21] usb 2-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 847.815918][ T21] usb 2-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 847.825173][ T72] usb 4-1: config index 0 descriptor too short (expected 35867, got 27) [ 847.833539][ T72] usb 4-1: config 118 has too many interfaces: 91, using maximum allowed: 32 [ 847.842414][ T72] usb 4-1: config 118 has an invalid descriptor of length 0, skipping remainder of the config [ 847.852764][ T72] usb 4-1: config 118 has 1 interface, different from the descriptor's value: 91 [ 847.862014][ T340] usb 5-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 847.866202][ T12] hub 1-1:118.0: bad descriptor, ignoring hub [ 847.873130][ T340] usb 5-1: config 118 interface 0 has no altsetting 0 [ 847.886023][ T340] usb 5-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 847.894739][ T12] hub: probe of 1-1:118.0 failed with error -5 [ 847.895130][ T340] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 847.895424][ T320] usb 3-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 847.916573][ T12] cdc_wdm 1-1:118.0: cdc-wdm0: USB WDM device [ 847.920432][ T320] usb 3-1: config 118 interface 0 has no altsetting 0 [ 847.920476][ T320] usb 3-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 847.942563][ T320] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 847.951154][ T72] usb 4-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 847.962285][ T72] usb 4-1: config 118 interface 0 has no altsetting 0 [ 847.969132][ T72] usb 4-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 847.978253][ T72] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 847.986361][ T343] usb 6-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 847.997674][ T343] usb 6-1: config 118 interface 0 has no altsetting 0 [ 848.004462][ T343] usb 6-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 848.013566][ T343] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 848.024515][ T21] usb 2-1: config 118 interface 0 altsetting 2 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 848.035735][ T21] usb 2-1: config 118 interface 0 has no altsetting 0 [ 848.042536][ T21] usb 2-1: New USB device found, idVendor=20ff, idProduct=4200, bcdDevice=16.ef [ 848.051683][ T21] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 848.062732][ T340] hub 5-1:118.0: bad descriptor, ignoring hub [ 848.069027][ T340] hub: probe of 5-1:118.0 failed with error -5 [ 848.077126][ T340] cdc_wdm 5-1:118.0: cdc-wdm1: USB WDM device [ 848.095595][ T320] hub 3-1:118.0: bad descriptor, ignoring hub [ 848.101765][ T320] hub: probe of 3-1:118.0 failed with error -5 [ 848.109083][ T343] hub 6-1:118.0: bad descriptor, ignoring hub [ 848.115926][ T72] hub 4-1:118.0: bad descriptor, ignoring hub [ 848.122078][ T72] hub: probe of 4-1:118.0 failed with error -5 [ 848.129507][ T21] hub 2-1:118.0: bad descriptor, ignoring hub [ 848.136696][ T343] hub: probe of 6-1:118.0 failed with error -5 [ 848.149174][ T21] hub: probe of 2-1:118.0 failed with error -5 [ 848.206503][ T343] cdc_wdm 6-1:118.0: cdc-wdm2: USB WDM device [ 848.213531][ T320] cdc_wdm 3-1:118.0: cdc-wdm3: USB WDM device [ 848.220819][ T72] cdc_wdm 4-1:118.0: cdc-wdm4: USB WDM device [ 848.228051][ T21] cdc_wdm 2-1:118.0: cdc-wdm5: USB WDM device [ 1004.774961][ T23] INFO: task syz-executor587:330 blocked for more than 143 seconds. [ 1004.783219][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 1004.789107][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1004.797897][ T23] task:syz-executor587 state:D stack:25864 pid: 330 ppid: 328 flags:0x80000002 [ 1004.807168][ T23] Call Trace: [ 1004.810478][ T23] __schedule+0x889/0x1f70 [ 1004.815001][ T23] ? io_schedule_timeout+0x140/0x140 [ 1004.820484][ T23] ? prepare_to_wait_event+0x129/0x650 [ 1004.826175][ T23] schedule+0xcd/0x2b0 [ 1004.830520][ T23] wdm_flush+0x2e9/0x3c0 [ 1004.834755][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1004.839269][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 1004.845048][ T23] ? find_held_lock+0x2d/0x110 [ 1004.849903][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1004.854300][ T23] filp_close+0xb4/0x170 [ 1004.858648][ T23] put_files_struct+0x1d0/0x350 [ 1004.863500][ T23] exit_files+0x7e/0xa0 [ 1004.867754][ T23] do_exit+0xb75/0x2890 [ 1004.871908][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 1004.877362][ T23] do_group_exit+0x125/0x310 [ 1004.881957][ T23] __x64_sys_exit_group+0x3a/0x50 [ 1004.887029][ T23] do_syscall_64+0x2d/0x40 [ 1004.891551][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1004.897522][ T23] RIP: 0033:0x444468 [ 1004.901404][ T23] Code: Bad RIP value. [ 1004.905513][ T23] RSP: 002b:00007ffddabd7f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1004.914941][ T23] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444468 [ 1004.923043][ T23] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 1004.931326][ T23] RBP: 00000000004c40b0 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 1004.939511][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 1004.947535][ T23] R13: 00000000006d9420 R14: 0000000000000000 R15: 0000000000000000 [ 1004.955643][ T23] INFO: task syz-executor587:335 blocked for more than 143 seconds. [ 1004.963655][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 1004.969760][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1004.978477][ T23] task:syz-executor587 state:D stack:28816 pid: 335 ppid: 331 flags:0x80004006 [ 1004.987774][ T23] Call Trace: [ 1004.991121][ T23] __schedule+0x889/0x1f70 [ 1004.995663][ T23] ? io_schedule_timeout+0x140/0x140 [ 1005.000958][ T23] ? prepare_to_wait_event+0x129/0x650 [ 1005.006954][ T23] schedule+0xcd/0x2b0 [ 1005.011043][ T23] wdm_flush+0x2e9/0x3c0 [ 1005.015576][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.020240][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 1005.026020][ T23] ? find_held_lock+0x2d/0x110 [ 1005.030802][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.035276][ T23] filp_close+0xb4/0x170 [ 1005.039565][ T23] put_files_struct+0x1d0/0x350 [ 1005.044411][ T23] exit_files+0x7e/0xa0 [ 1005.048623][ T23] do_exit+0xb75/0x2890 [ 1005.052795][ T23] ? lock_acquire+0x183/0x950 [ 1005.057512][ T23] ? find_held_lock+0x2d/0x110 [ 1005.062309][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 1005.067779][ T23] ? get_signal+0x354/0x1f10 [ 1005.072425][ T23] ? lock_downgrade+0x740/0x740 [ 1005.077345][ T23] ? do_raw_spin_lock+0x120/0x260 [ 1005.082376][ T23] do_group_exit+0x125/0x310 [ 1005.087044][ T23] get_signal+0x42d/0x1f10 [ 1005.091496][ T23] ? kmem_cache_free+0x82/0x490 [ 1005.096387][ T23] ? putname+0xe1/0x120 [ 1005.100549][ T23] arch_do_signal+0x88/0x1a00 [ 1005.105265][ T23] ? putname+0xe1/0x120 [ 1005.110402][ T23] ? do_sys_openat2+0xa1/0x420 [ 1005.115217][ T23] ? restore_sigcontext+0x620/0x620 [ 1005.120437][ T23] ? build_open_flags+0x650/0x650 [ 1005.125507][ T23] ? put_timespec64+0x120/0x120 [ 1005.130354][ T23] ? raw_ioctl+0x1df/0x2513 [ 1005.134901][ T23] ? __x64_sys_open+0x119/0x1c0 [ 1005.139768][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 1005.145645][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 1005.151654][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 1005.157353][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 1005.162995][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1005.169016][ T23] RIP: 0033:0x4018f0 [ 1005.172911][ T23] Code: Bad RIP value. [ 1005.177103][ T23] RSP: 002b:00007ffddabd7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1005.185607][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 00000000004018f0 [ 1005.193616][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffddabd7f30 [ 1005.201671][ T23] RBP: 00000000006d0018 R08: 0000000000000000 R09: 000000000000000f [ 1005.209724][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402910 [ 1005.217770][ T23] R13: 00000000004029a0 R14: 0000000000000000 R15: 0000000000000000 [ 1005.225808][ T23] INFO: task syz-executor587:336 blocked for more than 143 seconds. [ 1005.233882][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 1005.239784][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1005.248554][ T23] task:syz-executor587 state:D stack:28160 pid: 336 ppid: 334 flags:0x80004006 [ 1005.258007][ T23] Call Trace: [ 1005.261307][ T23] __schedule+0x889/0x1f70 [ 1005.266047][ T23] ? io_schedule_timeout+0x140/0x140 [ 1005.271360][ T23] ? prepare_to_wait_event+0x129/0x650 [ 1005.276877][ T23] schedule+0xcd/0x2b0 [ 1005.280950][ T23] wdm_flush+0x2e9/0x3c0 [ 1005.285238][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.289658][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 1005.295774][ T23] ? find_held_lock+0x2d/0x110 [ 1005.300540][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.305073][ T23] filp_close+0xb4/0x170 [ 1005.309325][ T23] put_files_struct+0x1d0/0x350 [ 1005.314179][ T23] exit_files+0x7e/0xa0 [ 1005.318400][ T23] do_exit+0xb75/0x2890 [ 1005.322584][ T23] ? lock_acquire+0x183/0x950 [ 1005.327302][ T23] ? find_held_lock+0x2d/0x110 [ 1005.332082][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 1005.337487][ T23] ? get_signal+0x354/0x1f10 [ 1005.342081][ T23] ? lock_downgrade+0x740/0x740 [ 1005.346978][ T23] ? do_raw_spin_lock+0x120/0x260 [ 1005.352009][ T23] do_group_exit+0x125/0x310 [ 1005.356744][ T23] get_signal+0x42d/0x1f10 [ 1005.361168][ T23] ? kmem_cache_free+0x82/0x490 [ 1005.366058][ T23] ? putname+0xe1/0x120 [ 1005.370226][ T23] arch_do_signal+0x88/0x1a00 [ 1005.374960][ T23] ? putname+0xe1/0x120 [ 1005.379111][ T23] ? do_sys_openat2+0xa1/0x420 [ 1005.383865][ T23] ? restore_sigcontext+0x620/0x620 [ 1005.389117][ T23] ? build_open_flags+0x650/0x650 [ 1005.394154][ T23] ? put_timespec64+0x120/0x120 [ 1005.399052][ T23] ? raw_ioctl+0x1df/0x2513 [ 1005.403579][ T23] ? __x64_sys_open+0x119/0x1c0 [ 1005.408498][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 1005.414602][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 1005.420701][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 1005.426352][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 1005.432254][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1005.438200][ T23] RIP: 0033:0x4018f0 [ 1005.442098][ T23] Code: Bad RIP value. [ 1005.446237][ T23] RSP: 002b:00007ffddabd7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1005.454661][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 00000000004018f0 [ 1005.463842][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffddabd7f30 [ 1005.471876][ T23] RBP: 00000000006d0018 R08: 0000000000000000 R09: 000000000000000f [ 1005.480354][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402910 [ 1005.488382][ T23] R13: 00000000004029a0 R14: 0000000000000000 R15: 0000000000000000 [ 1005.496686][ T23] INFO: task syz-executor587:337 blocked for more than 144 seconds. [ 1005.504661][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 1005.510591][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1005.519341][ T23] task:syz-executor587 state:D stack:28816 pid: 337 ppid: 329 flags:0x80004006 [ 1005.528633][ T23] Call Trace: [ 1005.531940][ T23] __schedule+0x889/0x1f70 [ 1005.536406][ T23] ? io_schedule_timeout+0x140/0x140 [ 1005.541705][ T23] ? prepare_to_wait_event+0x129/0x650 [ 1005.547265][ T23] schedule+0xcd/0x2b0 [ 1005.551354][ T23] wdm_flush+0x2e9/0x3c0 [ 1005.555744][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.560167][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 1005.565936][ T23] ? find_held_lock+0x2d/0x110 [ 1005.571497][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.575976][ T23] filp_close+0xb4/0x170 [ 1005.580228][ T23] put_files_struct+0x1d0/0x350 [ 1005.585136][ T23] exit_files+0x7e/0xa0 [ 1005.589300][ T23] do_exit+0xb75/0x2890 [ 1005.593436][ T23] ? lock_acquire+0x183/0x950 [ 1005.598223][ T23] ? find_held_lock+0x2d/0x110 [ 1005.603013][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 1005.608465][ T23] ? get_signal+0x354/0x1f10 [ 1005.613076][ T23] ? lock_downgrade+0x740/0x740 [ 1005.617976][ T23] ? do_raw_spin_lock+0x120/0x260 [ 1005.623011][ T23] do_group_exit+0x125/0x310 [ 1005.627645][ T23] get_signal+0x42d/0x1f10 [ 1005.632068][ T23] ? kmem_cache_free+0x82/0x490 [ 1005.636961][ T23] ? putname+0xe1/0x120 [ 1005.641133][ T23] arch_do_signal+0x88/0x1a00 [ 1005.645862][ T23] ? putname+0xe1/0x120 [ 1005.650036][ T23] ? do_sys_openat2+0xa1/0x420 [ 1005.654801][ T23] ? restore_sigcontext+0x620/0x620 [ 1005.660115][ T23] ? build_open_flags+0x650/0x650 [ 1005.665288][ T23] ? put_timespec64+0x120/0x120 [ 1005.670156][ T23] ? raw_ioctl+0x1df/0x2513 [ 1005.674664][ T23] ? __x64_sys_open+0x119/0x1c0 [ 1005.679677][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 1005.685617][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 1005.691614][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 1005.697226][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 1005.702799][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1005.708864][ T23] RIP: 0033:0x4018f0 [ 1005.712853][ T23] Code: Bad RIP value. [ 1005.716981][ T23] RSP: 002b:00007ffddabd7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1005.725544][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 00000000004018f0 [ 1005.733613][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffddabd7f30 [ 1005.741755][ T23] RBP: 00000000006d0018 R08: 0000000000000000 R09: 000000000000000f [ 1005.749821][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402910 [ 1005.757876][ T23] R13: 00000000004029a0 R14: 0000000000000000 R15: 0000000000000000 [ 1005.766214][ T23] INFO: task syz-executor587:339 blocked for more than 144 seconds. [ 1005.774255][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 1005.780104][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1005.788840][ T23] task:syz-executor587 state:D stack:28816 pid: 339 ppid: 332 flags:0x80004006 [ 1005.798191][ T23] Call Trace: [ 1005.801477][ T23] __schedule+0x889/0x1f70 [ 1005.805942][ T23] ? io_schedule_timeout+0x140/0x140 [ 1005.811232][ T23] ? prepare_to_wait_event+0x129/0x650 [ 1005.816751][ T23] schedule+0xcd/0x2b0 [ 1005.820817][ T23] wdm_flush+0x2e9/0x3c0 [ 1005.825116][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.829560][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 1005.835419][ T23] ? find_held_lock+0x2d/0x110 [ 1005.841082][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1005.845545][ T23] filp_close+0xb4/0x170 [ 1005.849790][ T23] put_files_struct+0x1d0/0x350 [ 1005.854619][ T23] exit_files+0x7e/0xa0 [ 1005.858833][ T23] do_exit+0xb75/0x2890 [ 1005.862998][ T23] ? lock_acquire+0x183/0x950 [ 1005.867715][ T23] ? find_held_lock+0x2d/0x110 [ 1005.872506][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 1005.877910][ T23] ? get_signal+0x354/0x1f10 [ 1005.882518][ T23] ? lock_downgrade+0x740/0x740 [ 1005.887577][ T23] ? do_raw_spin_lock+0x120/0x260 [ 1005.892610][ T23] do_group_exit+0x125/0x310 [ 1005.897253][ T23] get_signal+0x42d/0x1f10 [ 1005.901710][ T23] ? kmem_cache_free+0x82/0x490 [ 1005.906618][ T23] ? putname+0xe1/0x120 [ 1005.910788][ T23] arch_do_signal+0x88/0x1a00 [ 1005.915528][ T23] ? putname+0xe1/0x120 [ 1005.919700][ T23] ? do_sys_openat2+0xa1/0x420 [ 1005.924577][ T23] ? restore_sigcontext+0x620/0x620 [ 1005.929845][ T23] ? build_open_flags+0x650/0x650 [ 1005.935015][ T23] ? put_timespec64+0x120/0x120 [ 1005.939907][ T23] ? raw_ioctl+0x1df/0x2513 [ 1005.944392][ T23] ? __x64_sys_open+0x119/0x1c0 [ 1005.949330][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 1005.955196][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 1005.961187][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 1005.966870][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 1005.972427][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1005.978357][ T23] RIP: 0033:0x4018f0 [ 1005.982241][ T23] Code: Bad RIP value. [ 1005.986350][ T23] RSP: 002b:00007ffddabd7f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1005.994762][ T23] RAX: 0000000000000004 RBX: 0000000000000000 RCX: 00000000004018f0 [ 1006.002910][ T23] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00007ffddabd7f30 [ 1006.011224][ T23] RBP: 00000000006d0018 R08: 0000000000000000 R09: 000000000000000f [ 1006.019250][ T23] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000402910 [ 1006.027413][ T23] R13: 00000000004029a0 R14: 0000000000000000 R15: 0000000000000000 [ 1006.035535][ T23] INFO: task syz-executor587:341 blocked for more than 144 seconds. [ 1006.043516][ T23] Not tainted 5.9.0-rc1-syzkaller #0 [ 1006.049396][ T23] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1006.058254][ T23] task:syz-executor587 state:D stack:28816 pid: 341 ppid: 333 flags:0x80004006 [ 1006.067502][ T23] Call Trace: [ 1006.070798][ T23] __schedule+0x889/0x1f70 [ 1006.075255][ T23] ? io_schedule_timeout+0x140/0x140 [ 1006.080563][ T23] ? prepare_to_wait_event+0x129/0x650 [ 1006.086086][ T23] schedule+0xcd/0x2b0 [ 1006.090159][ T23] wdm_flush+0x2e9/0x3c0 [ 1006.094394][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1006.098853][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 1006.104668][ T23] ? find_held_lock+0x2d/0x110 [ 1006.109478][ T23] ? wdm_probe+0x2d0/0x2d0 [ 1006.113909][ T23] filp_close+0xb4/0x170 [ 1006.118200][ T23] put_files_struct+0x1d0/0x350 [ 1006.123305][ T23] exit_files+0x7e/0xa0 [ 1006.127513][ T23] do_exit+0xb75/0x2890 [ 1006.131671][ T23] ? lock_acquire+0x183/0x950 [ 1006.136381][ T23] ? find_held_lock+0x2d/0x110 [ 1006.141245][ T23] ? mm_update_next_owner+0x7a0/0x7a0 [ 1006.146750][ T23] ? get_signal+0x354/0x1f10 [ 1006.151354][ T23] ? lock_downgrade+0x740/0x740 [ 1006.156235][ T23] ? do_raw_spin_lock+0x120/0x260 [ 1006.161255][ T23] do_group_exit+0x125/0x310 [ 1006.165875][ T23] get_signal+0x42d/0x1f10 [ 1006.170300][ T23] ? rcu_read_lock_sched_held+0x3a/0x70 [ 1006.175890][ T23] ? kfree+0x38a/0x470 [ 1006.180922][ T23] arch_do_signal+0x88/0x1a00 [ 1006.185636][ T23] ? wdm_int_callback+0x7c0/0x7c0 [ 1006.190682][ T23] ? find_held_lock+0x2d/0x110 [ 1006.195506][ T23] ? add_wait_queue_exclusive+0x180/0x180 [ 1006.201251][ T23] ? restore_sigcontext+0x620/0x620 [ 1006.206512][ T23] ? wdm_int_callback+0x7c0/0x7c0 [ 1006.211553][ T23] ? exit_to_user_mode_prepare+0xd4/0x150 [ 1006.217312][ T23] ? lockdep_hardirqs_on_prepare+0x322/0x4f0 [ 1006.223289][ T23] exit_to_user_mode_prepare+0xf9/0x150 [ 1006.228928][ T23] syscall_exit_to_user_mode+0x36/0x260 [ 1006.234509][ T23] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 1006.240471][ T23] RIP: 0033:0x445819 [ 1006.244353][ T23] Code: Bad RIP value. [ 1006.248567][ T23] RSP: 002b:00007ffddabd7fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1006.257148][ T23] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 0000000000445819 [ 1006.265188][ T23] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 1006.273179][ T23] RBP: 00000000006d0018 R08: 000000000000000f R09: 00000000004002e0 [ 1006.281208][ T23] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402910 [ 1006.289242][ T23] R13: 00000000004029a0 R14: 0000000000000000 R15: 0000000000000000 [ 1006.297273][ T23] [ 1006.297273][ T23] Showing all locks held in the system: [ 1006.305067][ T23] no locks held by rcu_sched/10. [ 1006.310099][ T23] 1 lock held by khungtaskd/23: [ 1006.315127][ T23] #0: ffffffff87313620 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x264 [ 1006.325128][ T23] 1 lock held by systemd-journal/117: [ 1006.330507][ T23] #0: ffff8881db232ad8 (&rq->lock){-.-.}-{2:2}, at: newidle_balance+0x795/0xec0 [ 1006.339691][ T23] 1 lock held by in:imklog/233: [ 1006.344544][ T23] #0: ffff8881ca498d70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 1006.353734][ T23] [ 1006.356110][ T23] ============================================= [ 1006.356110][ T23] [ 1006.364514][ T23] NMI backtrace for cpu 1 [ 1006.368903][ T23] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 5.9.0-rc1-syzkaller #0 [ 1006.376991][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1006.387028][ T23] Call Trace: [ 1006.390313][ T23] dump_stack+0xf6/0x16e [ 1006.394556][ T23] ? lapic_can_unplug_cpu.cold+0x29/0x38 [ 1006.400179][ T23] nmi_cpu_backtrace.cold+0x74/0xb6 [ 1006.405466][ T23] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 1006.411088][ T23] nmi_trigger_cpumask_backtrace+0x1da/0x1f4 [ 1006.417077][ T23] watchdog+0xd6a/0xfd0 [ 1006.421217][ T23] ? reset_hung_task_detector+0x30/0x30 [ 1006.426750][ T23] kthread+0x392/0x470 [ 1006.430797][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 1006.436674][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 1006.442548][ T23] ret_from_fork+0x1f/0x30 [ 1006.447002][ T23] Sending NMI from CPU 1 to CPUs 0: [ 1006.452305][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x72/0x90 [ 1006.453221][ T23] Kernel panic - not syncing: hung_task: blocked tasks [ 1006.467330][ T23] CPU: 1 PID: 23 Comm: khungtaskd Not tainted 5.9.0-rc1-syzkaller #0 [ 1006.475644][ T23] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1006.485694][ T23] Call Trace: [ 1006.488969][ T23] dump_stack+0xf6/0x16e [ 1006.493190][ T23] panic+0x2aa/0x6e1 [ 1006.497066][ T23] ? __warn_printk+0xf3/0xf3 [ 1006.501640][ T23] ? cpumask_next+0x3c/0x40 [ 1006.506120][ T23] ? printk_safe_flush+0xd6/0x120 [ 1006.511122][ T23] ? watchdog.cold+0x5/0x16b [ 1006.515704][ T23] ? watchdog+0xa8f/0xfd0 [ 1006.520006][ T23] watchdog.cold+0x16/0x16b [ 1006.524936][ T23] ? reset_hung_task_detector+0x30/0x30 [ 1006.530483][ T23] kthread+0x392/0x470 [ 1006.534528][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 1006.540395][ T23] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 1006.546263][ T23] ret_from_fork+0x1f/0x30 [ 1006.551297][ T23] Kernel Offset: disabled [ 1006.555651][ T23] Rebooting in 86400 seconds..