[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.158' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 505.744072][ T26] audit: type=1400 audit(1635374270.443:8): avc: denied { execmem } for pid=6544 comm="syz-executor864" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 506.059649][ T1053] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 506.070008][ T6557] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 506.077631][ T2969] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 506.089972][ T1266] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 506.097585][ T6563] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 506.105206][ T5] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 506.299592][ T1053] usb 1-1: Using ep0 maxpacket: 16 [ 506.319772][ T2969] usb 4-1: Using ep0 maxpacket: 16 [ 506.325146][ T6557] usb 2-1: Using ep0 maxpacket: 16 [ 506.349604][ T5] usb 6-1: Using ep0 maxpacket: 16 [ 506.354984][ T6563] usb 5-1: Using ep0 maxpacket: 16 [ 506.360505][ T1266] usb 3-1: Using ep0 maxpacket: 16 [ 506.419841][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 506.430137][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 506.440238][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 506.450191][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 506.460121][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 506.469970][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 506.480053][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 506.489876][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 506.499749][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 506.509734][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 506.519881][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 506.519980][ T1053] usb 1-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 506.529790][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 506.538883][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 506.548727][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 506.559081][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 506.572279][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 506.578940][ T1053] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 506.589989][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 506.596771][ T6557] usb 2-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 506.607770][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 506.615678][ T2969] usb 4-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 506.627096][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 506.636323][ T6557] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 506.645880][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 506.661402][ T2969] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 506.664384][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 506.682258][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 506.692125][ T1053] ums-sddr09 1-1:1.0: USB Mass Storage device detected [ 506.707302][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 506.718934][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 506.730934][ T6563] usb 5-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 506.733246][ T2969] ums-sddr09 4-1:1.0: USB Mass Storage device detected [ 506.755920][ T6557] ums-sddr09 2-1:1.0: USB Mass Storage device detected [ 506.761505][ T1266] usb 3-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 506.786497][ T5] usb 6-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 506.796204][ T6563] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 506.840147][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 506.849229][ T1266] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 506.901341][ T6563] ums-sddr09 5-1:1.0: USB Mass Storage device detected [ 506.930002][ T5] ums-sddr09 6-1:1.0: USB Mass Storage device detected [ 506.939651][ T1266] ums-sddr09 3-1:1.0: USB Mass Storage device detected [ 507.101645][ T6551] udc-core: couldn't find an available UDC or it's busy [ 507.117605][ T6551] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 executing program executing program executing program [ 507.142906][ T6552] udc-core: couldn't find an available UDC or it's busy [ 507.149982][ T6552] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 507.170353][ T6555] udc-core: couldn't find an available UDC or it's busy [ 507.177330][ T6555] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 507.224391][ T1053] ums-sddr09: probe of 1-1:1.0 failed with error -5 [ 507.244307][ T1053] usb 1-1: USB disconnect, device number 2 [ 507.280084][ T6557] ums-sddr09: probe of 2-1:1.0 failed with error -5 [ 507.288342][ T2969] ums-sddr09: probe of 4-1:1.0 failed with error -5 [ 507.310029][ T6554] udc-core: couldn't find an available UDC or it's busy [ 507.317004][ T6554] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 507.325854][ T6557] usb 2-1: USB disconnect, device number 2 [ 507.336893][ T2969] usb 4-1: USB disconnect, device number 2 [ 507.349737][ T6556] udc-core: couldn't find an available UDC or it's busy [ 507.351227][ T6553] udc-core: couldn't find an available UDC or it's busy [ 507.356701][ T6556] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 executing program executing program [ 507.399715][ T6553] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 507.434400][ T6563] ums-sddr09: probe of 5-1:1.0 failed with error -5 executing program [ 507.469589][ T6563] usb 5-1: USB disconnect, device number 2 [ 507.501386][ T5] ums-sddr09: probe of 6-1:1.0 failed with error -5 [ 507.545420][ T5] usb 6-1: USB disconnect, device number 2 [ 507.554641][ T1266] ums-sddr09: probe of 3-1:1.0 failed with error -5 [ 507.572970][ T1266] usb 3-1: USB disconnect, device number 2 [ 507.679626][ T1053] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 507.719476][ T6557] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 507.739567][ T2969] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 507.929512][ T1053] usb 1-1: Using ep0 maxpacket: 16 [ 507.939577][ T6563] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 507.959439][ T6557] usb 2-1: Using ep0 maxpacket: 16 [ 507.989899][ T2969] usb 4-1: Using ep0 maxpacket: 16 [ 508.019376][ T1266] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 508.029573][ T5] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 508.049727][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 508.059743][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 508.070233][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 508.080317][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 508.090353][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 508.100195][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 508.110223][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 508.120048][ T1053] usb 1-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 508.129101][ T1053] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 508.137242][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 508.147175][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 508.156980][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 508.166917][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 508.179060][ T6557] usb 2-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 508.188228][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 508.199404][ T6563] usb 5-1: Using ep0 maxpacket: 16 [ 508.199593][ T6557] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 508.214479][ T1053] ums-sddr09 1-1:1.0: USB Mass Storage device detected [ 508.221862][ T2969] usb 4-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 508.232004][ T2969] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 508.289518][ T5] usb 6-1: Using ep0 maxpacket: 16 [ 508.290637][ T6557] ums-sddr09 2-1:1.0: USB Mass Storage device detected [ 508.294836][ T1266] usb 3-1: Using ep0 maxpacket: 16 [ 508.302986][ T2969] ums-sddr09 4-1:1.0: USB Mass Storage device detected [ 508.349890][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 508.367743][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 508.385882][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 508.396127][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 508.405940][ T6563] usb 5-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 508.426940][ T6563] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 508.459969][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 508.470161][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 508.485494][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 508.497304][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 508.508802][ T6563] ums-sddr09 5-1:1.0: USB Mass Storage device detected [ 508.515772][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 508.532362][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 508.543678][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 508.554704][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 508.579418][ T5] usb 6-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 508.588574][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 508.597854][ T1266] usb 3-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 executing program [ 508.607742][ T1266] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 508.619979][ T6614] udc-core: couldn't find an available UDC or it's busy [ 508.626941][ T6614] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 508.670618][ T1266] ums-sddr09 3-1:1.0: USB Mass Storage device detected [ 508.678909][ T5] ums-sddr09 6-1:1.0: USB Mass Storage device detected [ 508.712711][ T6622] udc-core: couldn't find an available UDC or it's busy [ 508.732384][ T6619] udc-core: couldn't find an available UDC or it's busy [ 508.739476][ T1053] ums-sddr09: probe of 1-1:1.0 failed with error -5 executing program [ 508.764080][ T6619] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 508.766041][ T6622] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 508.780198][ T1053] usb 1-1: USB disconnect, device number 3 executing program [ 508.864415][ T6557] ums-sddr09: probe of 2-1:1.0 failed with error -5 [ 508.880458][ T6557] usb 2-1: USB disconnect, device number 3 [ 508.891032][ T2969] ums-sddr09: probe of 4-1:1.0 failed with error -5 executing program [ 508.926599][ T2969] usb 4-1: USB disconnect, device number 3 [ 508.930097][ T6643] udc-core: couldn't find an available UDC or it's busy [ 508.953973][ T6643] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 509.014491][ T6563] ums-sddr09: probe of 5-1:1.0 failed with error -5 [ 509.033913][ T6563] usb 5-1: USB disconnect, device number 3 executing program executing program [ 509.080090][ T6656] udc-core: couldn't find an available UDC or it's busy [ 509.087660][ T6652] udc-core: couldn't find an available UDC or it's busy [ 509.090746][ T6656] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 509.095152][ T6652] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 509.139411][ T1053] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 509.175118][ T5] ums-sddr09: probe of 6-1:1.0 failed with error -5 [ 509.191066][ T5] usb 6-1: USB disconnect, device number 3 [ 509.211053][ T1266] ums-sddr09: probe of 3-1:1.0 failed with error -5 [ 509.233062][ T1266] usb 3-1: USB disconnect, device number 3 [ 509.269440][ T6557] usb 2-1: new high-speed USB device number 4 using dummy_hcd [ 509.279452][ T2969] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 509.390046][ T1053] usb 1-1: Using ep0 maxpacket: 16 [ 509.419278][ T6563] usb 5-1: new high-speed USB device number 4 using dummy_hcd [ 509.509439][ T6557] usb 2-1: Using ep0 maxpacket: 16 [ 509.514728][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 509.525852][ T2969] usb 4-1: Using ep0 maxpacket: 16 [ 509.531333][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 509.542561][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 509.553569][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 509.564174][ T1053] usb 1-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 509.574228][ T1053] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 509.629546][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 509.640282][ T1053] ums-sddr09 1-1:1.0: USB Mass Storage device detected [ 509.648518][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 509.666678][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 509.678289][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 509.682300][ T6563] usb 5-1: Using ep0 maxpacket: 16 [ 509.691047][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 509.693869][ T5] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 509.707721][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 509.711152][ T1266] usb 3-1: new high-speed USB device number 4 using dummy_hcd [ 509.722675][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 509.739855][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 509.751063][ T6557] usb 2-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 509.761116][ T2969] usb 4-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 509.770871][ T6557] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 509.780002][ T2969] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 509.830580][ T2969] ums-sddr09 4-1:1.0: USB Mass Storage device detected [ 509.838932][ T6557] ums-sddr09 2-1:1.0: USB Mass Storage device detected [ 509.849485][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 509.868770][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 509.901466][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 509.912586][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 509.934315][ T6563] usb 5-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 509.944654][ T6563] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 509.979333][ T5] usb 6-1: Using ep0 maxpacket: 16 [ 509.984592][ T1266] usb 3-1: Using ep0 maxpacket: 16 [ 509.992978][ T6563] ums-sddr09 5-1:1.0: USB Mass Storage device detected executing program [ 510.049870][ T6707] udc-core: couldn't find an available UDC or it's busy [ 510.057106][ T6707] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 510.104574][ T1053] ums-sddr09: probe of 1-1:1.0 failed with error -5 [ 510.115190][ T1053] usb 1-1: USB disconnect, device number 4 [ 510.119214][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 510.131851][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 510.142035][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 510.152087][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 510.162325][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 510.172465][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 510.182608][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 510.193525][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 510.203803][ T1266] usb 3-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 510.214228][ T5] usb 6-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 510.223546][ T1266] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 510.232142][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 510.240789][ T6727] udc-core: couldn't find an available UDC or it's busy executing program executing program [ 510.248627][ T6727] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 510.249915][ T6721] udc-core: couldn't find an available UDC or it's busy [ 510.266008][ T6721] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 510.310741][ T5] ums-sddr09 6-1:1.0: USB Mass Storage device detected [ 510.318848][ T1266] ums-sddr09 3-1:1.0: USB Mass Storage device detected [ 510.348689][ T6557] ums-sddr09: probe of 2-1:1.0 failed with error -5 [ 510.375557][ T6557] usb 2-1: USB disconnect, device number 4 [ 510.391192][ T2969] ums-sddr09: probe of 4-1:1.0 failed with error -5 [ 510.413860][ T6744] udc-core: couldn't find an available UDC or it's busy executing program [ 510.419906][ T2969] usb 4-1: USB disconnect, device number 4 [ 510.421154][ T6744] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 510.479119][ T1053] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 510.523027][ T6563] ums-sddr09: probe of 5-1:1.0 failed with error -5 [ 510.537197][ T6563] usb 5-1: USB disconnect, device number 4 executing program executing program [ 510.729125][ T1053] usb 1-1: Using ep0 maxpacket: 16 [ 510.730696][ T6755] udc-core: couldn't find an available UDC or it's busy [ 510.734740][ T6757] udc-core: couldn't find an available UDC or it's busy [ 510.741609][ T6755] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 510.757287][ T6757] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 510.819192][ T6557] usb 2-1: new high-speed USB device number 5 using dummy_hcd [ 510.830492][ T1266] ums-sddr09: probe of 3-1:1.0 failed with error -5 [ 510.841943][ T1266] usb 3-1: USB disconnect, device number 4 [ 510.850249][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 510.873028][ T5] ums-sddr09: probe of 6-1:1.0 failed with error -5 [ 510.875707][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 510.897695][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 510.910098][ T5] usb 6-1: USB disconnect, device number 4 [ 510.916981][ T2969] usb 4-1: new high-speed USB device number 5 using dummy_hcd [ 510.939930][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 510.951154][ T1053] usb 1-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 510.964312][ T1053] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 510.979820][ T6563] usb 5-1: new high-speed USB device number 5 using dummy_hcd [ 511.010390][ T1053] ums-sddr09 1-1:1.0: USB Mass Storage device detected [ 511.059240][ T6557] usb 2-1: Using ep0 maxpacket: 16 [ 511.169159][ T2969] usb 4-1: Using ep0 maxpacket: 16 [ 511.179625][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 511.189654][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 511.199946][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 511.210449][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 511.220686][ T6557] usb 2-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 511.231200][ T6557] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 511.239062][ T6563] usb 5-1: Using ep0 maxpacket: 16 [ 511.280048][ T6557] ums-sddr09 2-1:1.0: USB Mass Storage device detected [ 511.294269][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 511.306047][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 511.318258][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 511.330840][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 511.341752][ T2969] usb 4-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 511.351729][ T2969] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 511.369360][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 511.379574][ T1266] usb 3-1: new high-speed USB device number 5 using dummy_hcd [ 511.387250][ T5] usb 6-1: new high-speed USB device number 5 using dummy_hcd [ 511.395895][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 511.400457][ T2969] ums-sddr09 4-1:1.0: USB Mass Storage device detected [ 511.408283][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 executing program [ 511.423642][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 511.430913][ T6806] udc-core: couldn't find an available UDC or it's busy [ 511.435083][ T6563] usb 5-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 511.440900][ T6806] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 511.496828][ T6563] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 511.509735][ T1053] ums-sddr09: probe of 1-1:1.0 failed with error -5 [ 511.527404][ T1053] usb 1-1: USB disconnect, device number 5 [ 511.590109][ T6563] ums-sddr09 5-1:1.0: USB Mass Storage device detected [ 511.659117][ T1266] usb 3-1: Using ep0 maxpacket: 16 [ 511.664398][ T5] usb 6-1: Using ep0 maxpacket: 16 executing program [ 511.706304][ T6825] udc-core: couldn't find an available UDC or it's busy [ 511.713544][ T6825] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 511.774860][ T6557] ums-sddr09: probe of 2-1:1.0 failed with error -5 [ 511.784300][ T6557] usb 2-1: USB disconnect, device number 5 [ 511.800568][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 511.810550][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 511.820565][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 511.820826][ T6822] udc-core: couldn't find an available UDC or it's busy [ 511.831391][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 511.847924][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 511.850154][ T6822] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 511.858447][ T5] usb 6-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 511.875470][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 511.885547][ T1266] usb 3-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 511.894730][ T1053] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 511.894898][ T5] usb 6-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 511.912428][ T1266] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 511.921524][ T5] usb 6-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 511.933651][ T5] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 511.980493][ T1266] ums-sddr09 3-1:1.0: USB Mass Storage device detected [ 511.999516][ T6847] udc-core: couldn't find an available UDC or it's busy [ 512.006499][ T6847] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 512.010801][ T5] ums-sddr09 6-1:1.0: USB Mass Storage device detected [ 512.021594][ T2969] ums-sddr09: probe of 4-1:1.0 failed with error -5 [ 512.046414][ T2969] usb 4-1: USB disconnect, device number 5 executing program [ 512.114226][ T6563] ums-sddr09: probe of 5-1:1.0 failed with error -5 [ 512.131722][ T6563] usb 5-1: USB disconnect, device number 5 [ 512.149067][ T1053] usb 1-1: Using ep0 maxpacket: 16 [ 512.169234][ T6557] usb 2-1: new high-speed USB device number 6 using dummy_hcd [ 512.279153][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 512.289312][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 512.299843][ T1053] usb 1-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 512.310156][ T1053] usb 1-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 512.320430][ T1053] usb 1-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 512.329605][ T1053] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 512.380118][ T1053] ums-sddr09 1-1:1.0: USB Mass Storage device detected [ 512.399554][ T6864] udc-core: couldn't find an available UDC or it's busy [ 512.406546][ T6864] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 512.414248][ T6557] usb 2-1: Using ep0 maxpacket: 16 executing program [ 512.439853][ T6862] udc-core: couldn't find an available UDC or it's busy [ 512.447145][ T6862] misc raw-gadget: fail, usb_gadget_probe_driver returned -16 [ 512.455134][ T2969] usb 4-1: new high-speed USB device number 6 using dummy_hcd [ 512.494561][ T1266] ums-sddr09: probe of 3-1:1.0 failed with error -5 [ 512.501846][ T6563] usb 5-1: new high-speed USB device number 6 using dummy_hcd [ 512.516853][ T1266] usb 3-1: USB disconnect, device number 5 [ 512.539401][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 512.549499][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 512.557759][ T5] ums-sddr09: probe of 6-1:1.0 failed with error -5 [ 512.565671][ T6557] usb 2-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 512.572607][ T5] usb 6-1: USB disconnect, device number 5 [ 512.579861][ T6557] usb 2-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 512.593674][ T6557] usb 2-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 512.603452][ T6557] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 512.650087][ T6557] ums-sddr09 2-1:1.0: USB Mass Storage device detected [ 512.699070][ T2969] usb 4-1: Using ep0 maxpacket: 16 [ 512.768989][ T6563] usb 5-1: Using ep0 maxpacket: 16 [ 512.819549][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 512.829299][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 512.839542][ T2969] usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 512.849720][ T2969] usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 512.861067][ T2969] usb 4-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 512.870559][ T2969] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 512.918914][ T1266] usb 3-1: new high-speed USB device number 6 using dummy_hcd [ 512.920087][ T2969] ums-sddr09 4-1:1.0: USB Mass Storage device detected [ 512.926620][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 512.950678][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 512.961675][ T6563] usb 5-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 512.977886][ T6563] usb 5-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 512.989185][ T6563] usb 5-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 512.998252][ T6563] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 513.069946][ T6563] ums-sddr09 5-1:1.0: USB Mass Storage device detected [ 513.168902][ T1266] usb 3-1: Using ep0 maxpacket: 16 [ 513.329037][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 [ 513.339133][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0xB has invalid maxpacket 0 [ 513.350600][ T1266] usb 3-1: config 1 interface 0 altsetting 0 endpoint 0x8A has invalid wMaxPacketSize 0 [ 513.361451][ T1266] usb 3-1: config 1 interface 0 altsetting 0 bulk endpoint 0x8A has invalid maxpacket 0 [ 513.372070][ T1266] usb 3-1: New USB device found, idVendor=04e6, idProduct=0005, bcdDevice= 1.77 [ 513.382115][ T1266] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 513.451164][ T1266] ums-sddr09 3-1:1.0: USB Mass Storage device detected [ 716.123404][ T27] INFO: task syz-executor864:6907 blocked for more than 143 seconds. [ 716.131664][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 716.138863][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.147876][ T27] task:syz-executor864 state:D stack:27936 pid: 6907 ppid: 6545 flags:0x00000004 [ 716.157221][ T27] Call Trace: [ 716.160594][ T27] __schedule+0xb44/0x5960 [ 716.165206][ T27] ? find_held_lock+0x2d/0x110 [ 716.170156][ T27] ? __mutex_lock+0x970/0x12f0 [ 716.175414][ T27] ? io_schedule_timeout+0x140/0x140 [ 716.180717][ T27] schedule+0xd3/0x270 [ 716.184839][ T27] schedule_preempt_disabled+0xf/0x20 [ 716.190225][ T27] __mutex_lock+0xa34/0x12f0 [ 716.195040][ T27] ? misc_open+0x55/0x4a0 [ 716.199486][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 716.205086][ T27] ? find_held_lock+0x2d/0x110 [ 716.209860][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.214799][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.221155][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.227465][ T27] ? kobject_get_unless_zero+0x15a/0x1e0 [ 716.233287][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 716.238254][ T27] misc_open+0x55/0x4a0 [ 716.242540][ T27] ? misc_devnode+0x120/0x120 [ 716.247298][ T27] chrdev_open+0x266/0x770 [ 716.251874][ T27] ? cdev_device_add+0x210/0x210 [ 716.257125][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 716.262625][ T27] do_dentry_open+0x4c8/0x11d0 [ 716.267527][ T27] ? cdev_device_add+0x210/0x210 [ 716.272478][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.278859][ T27] ? may_open+0x1f6/0x420 [ 716.283274][ T27] path_openat+0x1c9a/0x2740 [ 716.287874][ T27] ? path_lookupat+0x860/0x860 [ 716.292625][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.298683][ T27] do_filp_open+0x1aa/0x400 [ 716.303252][ T27] ? may_open_dev+0xf0/0xf0 [ 716.307762][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 716.312687][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 716.319052][ T27] ? _find_next_bit+0x1e3/0x260 [ 716.324090][ T27] ? _raw_spin_unlock+0x24/0x40 [ 716.328956][ T27] ? alloc_fd+0x2f0/0x670 [ 716.333434][ T27] do_sys_openat2+0x16d/0x4d0 [ 716.338128][ T27] ? build_open_flags+0x6f0/0x6f0 [ 716.343226][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 716.348767][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.353700][ T27] __x64_sys_openat+0x13f/0x1f0 [ 716.358559][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 716.363558][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 716.369460][ T27] do_syscall_64+0x35/0xb0 [ 716.373976][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.379892][ T27] RIP: 0033:0x7ff261e34347 [ 716.384365][ T27] RSP: 002b:00007ffe30328bb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 716.384401][ T27] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00007ff261e34347 [ 716.384419][ T27] RDX: 0000000000000002 RSI: 00007ff261eba03b RDI: 00000000ffffff9c [ 716.384436][ T27] RBP: 00007ff261eba03b R08: 0000000000000000 R09: 0000000000000000 [ 716.384451][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 716.384467][ T27] R13: 00007ffe3032acdc R14: 0000000000000076 R15: 00007ffe3032ace0 [ 716.384512][ T27] INFO: task syz-executor864:6922 blocked for more than 143 seconds. [ 716.441068][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 716.447138][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.455976][ T27] task:syz-executor864 state:D stack:28616 pid: 6922 ppid: 6546 flags:0x00000004 [ 716.465257][ T27] Call Trace: [ 716.468533][ T27] __schedule+0xb44/0x5960 [ 716.472943][ T27] ? find_held_lock+0x2d/0x110 [ 716.477940][ T27] ? __mutex_lock+0x970/0x12f0 [ 716.482727][ T27] ? io_schedule_timeout+0x140/0x140 [ 716.488095][ T27] schedule+0xd3/0x270 [ 716.492168][ T27] schedule_preempt_disabled+0xf/0x20 [ 716.497597][ T27] __mutex_lock+0xa34/0x12f0 [ 716.502194][ T27] ? misc_open+0x55/0x4a0 [ 716.506618][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 716.512204][ T27] ? find_held_lock+0x2d/0x110 [ 716.517049][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.521914][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.528370][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.534684][ T27] ? kobject_get_unless_zero+0x15a/0x1e0 [ 716.540332][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 716.545355][ T27] misc_open+0x55/0x4a0 [ 716.549516][ T27] ? misc_devnode+0x120/0x120 [ 716.554241][ T27] chrdev_open+0x266/0x770 [ 716.558662][ T27] ? cdev_device_add+0x210/0x210 [ 716.563892][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 716.569274][ T27] do_dentry_open+0x4c8/0x11d0 [ 716.574098][ T27] ? cdev_device_add+0x210/0x210 [ 716.579041][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.585361][ T27] ? may_open+0x1f6/0x420 [ 716.589690][ T27] path_openat+0x1c9a/0x2740 [ 716.594387][ T27] ? path_lookupat+0x860/0x860 [ 716.599219][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.605507][ T27] do_filp_open+0x1aa/0x400 [ 716.610018][ T27] ? may_open_dev+0xf0/0xf0 [ 716.614579][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 716.619520][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 716.625862][ T27] ? _find_next_bit+0x1e3/0x260 [ 716.630727][ T27] ? _raw_spin_unlock+0x24/0x40 [ 716.635656][ T27] ? alloc_fd+0x2f0/0x670 [ 716.640002][ T27] do_sys_openat2+0x16d/0x4d0 [ 716.644780][ T27] ? build_open_flags+0x6f0/0x6f0 [ 716.649896][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 716.655410][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.660267][ T27] __x64_sys_openat+0x13f/0x1f0 [ 716.665199][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 716.670143][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 716.676105][ T27] do_syscall_64+0x35/0xb0 [ 716.680528][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.686516][ T27] RIP: 0033:0x7ff261e34347 [ 716.690940][ T27] RSP: 002b:00007ffe30328bb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 716.699421][ T27] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00007ff261e34347 [ 716.707492][ T27] RDX: 0000000000000002 RSI: 00007ff261eba03b RDI: 00000000ffffff9c [ 716.715514][ T27] RBP: 00007ff261eba03b R08: 0000000000000000 R09: 0000000000000000 [ 716.723583][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 716.731564][ T27] R13: 00007ffe3032acdc R14: 0000000000000076 R15: 00007ffe3032ace0 [ 716.739603][ T27] INFO: task syz-executor864:6936 blocked for more than 143 seconds. [ 716.747874][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 716.753859][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.763155][ T27] task:syz-executor864 state:D stack:27760 pid: 6936 ppid: 6548 flags:0x00000004 [ 716.772390][ T27] Call Trace: [ 716.775715][ T27] __schedule+0xb44/0x5960 [ 716.780149][ T27] ? find_held_lock+0x2d/0x110 [ 716.784995][ T27] ? __mutex_lock+0x970/0x12f0 [ 716.789856][ T27] ? io_schedule_timeout+0x140/0x140 [ 716.795196][ T27] schedule+0xd3/0x270 [ 716.799273][ T27] schedule_preempt_disabled+0xf/0x20 [ 716.804722][ T27] __mutex_lock+0xa34/0x12f0 [ 716.809315][ T27] ? misc_open+0x55/0x4a0 [ 716.813711][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 716.819274][ T27] ? find_held_lock+0x2d/0x110 [ 716.824119][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.828975][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.835283][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.841617][ T27] ? kobject_get_unless_zero+0x15a/0x1e0 [ 716.847340][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 716.852284][ T27] misc_open+0x55/0x4a0 [ 716.856510][ T27] ? misc_devnode+0x120/0x120 [ 716.861334][ T27] chrdev_open+0x266/0x770 [ 716.865854][ T27] ? cdev_device_add+0x210/0x210 [ 716.870800][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 716.876256][ T27] do_dentry_open+0x4c8/0x11d0 [ 716.881033][ T27] ? cdev_device_add+0x210/0x210 [ 716.886065][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.892409][ T27] ? may_open+0x1f6/0x420 [ 716.896828][ T27] path_openat+0x1c9a/0x2740 [ 716.901424][ T27] ? path_lookupat+0x860/0x860 [ 716.906269][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.912256][ T27] do_filp_open+0x1aa/0x400 [ 716.916812][ T27] ? may_open_dev+0xf0/0xf0 [ 716.921342][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 716.926371][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 716.932619][ T27] ? _find_next_bit+0x1e3/0x260 [ 716.937539][ T27] ? _raw_spin_unlock+0x24/0x40 [ 716.942397][ T27] ? alloc_fd+0x2f0/0x670 [ 716.946816][ T27] do_sys_openat2+0x16d/0x4d0 [ 716.951504][ T27] ? build_open_flags+0x6f0/0x6f0 [ 716.956587][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 716.962058][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.966991][ T27] __x64_sys_openat+0x13f/0x1f0 [ 716.971872][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 716.976869][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 716.982774][ T27] do_syscall_64+0x35/0xb0 [ 716.987273][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.993350][ T27] RIP: 0033:0x7ff261e34347 [ 716.998051][ T27] RSP: 002b:00007ffe30328bb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 717.006639][ T27] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00007ff261e34347 [ 717.014689][ T27] RDX: 0000000000000002 RSI: 00007ff261eba03b RDI: 00000000ffffff9c [ 717.022671][ T27] RBP: 00007ff261eba03b R08: 0000000000000000 R09: 0000000000000000 [ 717.030722][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 717.038777][ T27] R13: 00007ffe3032acdc R14: 0000000000000076 R15: 00007ffe3032ace0 [ 717.046962][ T27] INFO: task syz-executor864:6954 blocked for more than 144 seconds. [ 717.055100][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 717.060992][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.069783][ T27] task:syz-executor864 state:D stack:28328 pid: 6954 ppid: 6549 flags:0x00000004 [ 717.079093][ T27] Call Trace: [ 717.082377][ T27] __schedule+0xb44/0x5960 [ 717.086886][ T27] ? find_held_lock+0x2d/0x110 [ 717.091692][ T27] ? __mutex_lock+0x970/0x12f0 [ 717.096525][ T27] ? io_schedule_timeout+0x140/0x140 [ 717.101822][ T27] schedule+0xd3/0x270 [ 717.106034][ T27] schedule_preempt_disabled+0xf/0x20 [ 717.111423][ T27] __mutex_lock+0xa34/0x12f0 [ 717.116088][ T27] ? misc_open+0x55/0x4a0 [ 717.120426][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 717.126165][ T27] ? find_held_lock+0x2d/0x110 [ 717.130941][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 717.135878][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.142134][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.148486][ T27] ? kobject_get_unless_zero+0x15a/0x1e0 [ 717.154193][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 717.159154][ T27] misc_open+0x55/0x4a0 [ 717.163422][ T27] ? misc_devnode+0x120/0x120 [ 717.168122][ T27] chrdev_open+0x266/0x770 [ 717.172709][ T27] ? cdev_device_add+0x210/0x210 [ 717.177712][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 717.183353][ T27] do_dentry_open+0x4c8/0x11d0 [ 717.188130][ T27] ? cdev_device_add+0x210/0x210 [ 717.193111][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.199359][ T27] ? may_open+0x1f6/0x420 [ 717.203865][ T27] path_openat+0x1c9a/0x2740 [ 717.208462][ T27] ? path_lookupat+0x860/0x860 [ 717.213283][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 717.219452][ T27] do_filp_open+0x1aa/0x400 [ 717.224134][ T27] ? may_open_dev+0xf0/0xf0 [ 717.228645][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 717.233651][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 717.239987][ T27] ? _find_next_bit+0x1e3/0x260 [ 717.245487][ T27] ? _raw_spin_unlock+0x24/0x40 [ 717.250357][ T27] ? alloc_fd+0x2f0/0x670 [ 717.254769][ T27] do_sys_openat2+0x16d/0x4d0 [ 717.259461][ T27] ? build_open_flags+0x6f0/0x6f0 [ 717.264714][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 717.270287][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 717.275196][ T27] __x64_sys_openat+0x13f/0x1f0 [ 717.280060][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 717.285083][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 717.291158][ T27] do_syscall_64+0x35/0xb0 [ 717.295642][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 717.301545][ T27] RIP: 0033:0x7ff261e34347 [ 717.306034][ T27] RSP: 002b:00007ffe30328bb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 717.314526][ T27] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00007ff261e34347 [ 717.322503][ T27] RDX: 0000000000000002 RSI: 00007ff261eba03b RDI: 00000000ffffff9c [ 717.330550][ T27] RBP: 00007ff261eba03b R08: 0000000000000000 R09: 0000000000000000 [ 717.338589][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 717.346667][ T27] R13: 00007ffe3032acdc R14: 0000000000000076 R15: 00007ffe3032ace0 [ 717.354744][ T27] INFO: task syz-executor864:6972 blocked for more than 144 seconds. [ 717.362812][ T27] Not tainted 5.15.0-rc7-syzkaller #0 [ 717.368905][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.377734][ T27] task:syz-executor864 state:D stack:28328 pid: 6972 ppid: 6547 flags:0x00000004 [ 717.387059][ T27] Call Trace: [ 717.390346][ T27] __schedule+0xb44/0x5960 [ 717.394830][ T27] ? find_held_lock+0x2d/0x110 [ 717.399602][ T27] ? __mutex_lock+0x970/0x12f0 [ 717.404527][ T27] ? io_schedule_timeout+0x140/0x140 [ 717.409847][ T27] schedule+0xd3/0x270 [ 717.414059][ T27] schedule_preempt_disabled+0xf/0x20 [ 717.419466][ T27] __mutex_lock+0xa34/0x12f0 [ 717.424150][ T27] ? misc_open+0x55/0x4a0 [ 717.428490][ T27] ? mutex_lock_io_nested+0x1150/0x1150 [ 717.434091][ T27] ? find_held_lock+0x2d/0x110 [ 717.438859][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 717.443796][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.450051][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.456350][ T27] ? kobject_get_unless_zero+0x15a/0x1e0 [ 717.462007][ T27] misc_open+0x55/0x4a0 [ 717.466346][ T27] ? misc_devnode+0x120/0x120 [ 717.471031][ T27] chrdev_open+0x266/0x770 [ 717.475602][ T27] ? cdev_device_add+0x210/0x210 [ 717.480545][ T27] ? fsnotify_perm.part.0+0x22d/0x620 [ 717.486361][ T27] do_dentry_open+0x4c8/0x11d0 [ 717.491150][ T27] ? cdev_device_add+0x210/0x210 [ 717.496172][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.502427][ T27] ? may_open+0x1f6/0x420 [ 717.506847][ T27] path_openat+0x1c9a/0x2740 [ 717.511455][ T27] ? path_lookupat+0x860/0x860 [ 717.516299][ T27] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 717.522285][ T27] do_filp_open+0x1aa/0x400 [ 717.526872][ T27] ? may_open_dev+0xf0/0xf0 [ 717.531384][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 717.536386][ T27] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 717.542635][ T27] ? _find_next_bit+0x1e3/0x260 [ 717.547572][ T27] ? _raw_spin_unlock+0x24/0x40 [ 717.552454][ T27] ? alloc_fd+0x2f0/0x670 [ 717.556857][ T27] do_sys_openat2+0x16d/0x4d0 [ 717.561543][ T27] ? build_open_flags+0x6f0/0x6f0 [ 717.566665][ T27] ? __context_tracking_exit+0xb8/0xe0 [ 717.572135][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 717.577040][ T27] __x64_sys_openat+0x13f/0x1f0 [ 717.581902][ T27] ? __ia32_sys_open+0x1c0/0x1c0 [ 717.586929][ T27] ? syscall_enter_from_user_mode+0x21/0x70 [ 717.592842][ T27] do_syscall_64+0x35/0xb0 [ 717.597349][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 717.603353][ T27] RIP: 0033:0x7ff261e34347 [ 717.607772][ T27] RSP: 002b:00007ffe30328bb0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 717.616323][ T27] RAX: ffffffffffffffda RBX: 0000000020000440 RCX: 00007ff261e34347 [ 717.624469][ T27] RDX: 0000000000000002 RSI: 00007ff261eba03b RDI: 00000000ffffff9c [ 717.632472][ T27] RBP: 00007ff261eba03b R08: 0000000000000000 R09: 0000000000000000 [ 717.640673][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 717.648750][ T27] R13: 00007ffe3032acdc R14: 0000000000000076 R15: 00007ffe3032ace0 [ 717.656828][ T27] [ 717.656828][ T27] Showing all locks held in the system: [ 717.664635][ T27] 1 lock held by khungtaskd/27: [ 717.669485][ T27] #0: ffffffff8b97f0e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 717.679420][ T27] 5 locks held by kworker/1:2/1053: [ 717.684742][ T27] #0: ffff88801643cd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 717.695587][ T27] #1: ffffc900049ffdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 717.706919][ T27] #2: ffff88801fed4220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.715959][ T27] #3: ffff888022e64220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.725415][ T27] #4: ffff8880781991a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.734726][ T27] 5 locks held by kworker/0:2/1266: [ 717.739922][ T27] #0: ffff88801643cd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 717.750743][ T27] #1: ffffc900053efdb0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 717.762068][ T27] #2: ffff888146d2f220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.771085][ T27] #3: ffff88806fe79220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.780414][ T27] #4: ffff88801fe231a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.789760][ T27] 5 locks held by kworker/1:3/2969: [ 717.795021][ T27] #0: ffff88801643cd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 717.805816][ T27] #1: ffffc90001177db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 717.817118][ T27] #2: ffff888146d3d220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.826081][ T27] #3: ffff8880750ec220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.835414][ T27] #4: ffff888078ab61a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.844718][ T27] 1 lock held by in:imklog/6253: [ 717.849649][ T27] #0: ffff88801b806db0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 717.858841][ T27] 5 locks held by kworker/1:0/6557: [ 717.864288][ T27] #0: ffff88801643cd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 717.875040][ T27] #1: ffffc90002c37db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 717.886565][ T27] #2: ffff888146d23220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.895536][ T27] #3: ffff888079db5220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.904870][ T27] #4: ffff88801a88f1a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.914186][ T27] 5 locks held by kworker/0:1/6563: [ 717.919388][ T27] #0: ffff88801643cd38 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x8a3/0x16b0 [ 717.930175][ T27] #1: ffffc90002cb7db0 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x8d7/0x16b0 [ 717.941475][ T27] #2: ffff8880200b6220 (&dev->mutex){....}-{3:3}, at: hub_event+0x1c1/0x4330 [ 717.950437][ T27] #3: ffff88806e962220 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.959757][ T27] #4: ffff88806eba91a8 (&dev->mutex){....}-{3:3}, at: __device_attach+0x7a/0x4a0 [ 717.969192][ T27] 1 lock held by syz-executor864/6907: [ 717.974710][ T27] #0: ffffffff8c3c4488 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.983250][ T27] 1 lock held by syz-executor864/6922: [ 717.988788][ T27] #0: ffffffff8c3c4488 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 717.997305][ T27] 1 lock held by syz-executor864/6936: [ 718.002773][ T27] #0: ffffffff8c3c4488 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 718.011334][ T27] 1 lock held by syz-executor864/6954: [ 718.016897][ T27] #0: ffffffff8c3c4488 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 718.025463][ T27] 1 lock held by syz-executor864/6972: [ 718.030931][ T27] #0: ffffffff8c3c4488 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 718.039506][ T27] 2 locks held by syz-executor864/6975: [ 718.045163][ T27] #0: ffffffff8c3c4488 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x55/0x4a0 [ 718.053674][ T27] #1: ffffffff8b84d408 (system_transition_mutex){+.+.}-{3:3}, at: snapshot_open+0x3b/0x2a0 [ 718.063939][ T27] [ 718.066261][ T27] ============================================= [ 718.066261][ T27] [ 718.074777][ T27] NMI backtrace for cpu 0 [ 718.079099][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc7-syzkaller #0 [ 718.087345][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.097406][ T27] Call Trace: [ 718.100680][ T27] dump_stack_lvl+0xcd/0x134 [ 718.105336][ T27] nmi_cpu_backtrace.cold+0x47/0x144 [ 718.110625][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.115956][ T27] nmi_trigger_cpumask_backtrace+0x1ae/0x220 [ 718.121953][ T27] watchdog+0xc1d/0xf50 [ 718.126113][ T27] ? reset_hung_task_detector+0x30/0x30 [ 718.131675][ T27] kthread+0x3e5/0x4d0 [ 718.135742][ T27] ? set_kthread_struct+0x130/0x130 [ 718.140959][ T27] ret_from_fork+0x1f/0x30 [ 718.145559][ T27] Sending NMI from CPU 0 to CPUs 1: [ 718.150777][ C1] NMI backtrace for cpu 1 [ 718.150792][ C1] CPU: 1 PID: 2956 Comm: systemd-journal Not tainted 5.15.0-rc7-syzkaller #0 [ 718.150815][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.150827][ C1] RIP: 0010:unwind_next_frame+0x86/0x1ce0 [ 718.150889][ C1] Code: 00 00 00 48 89 b4 24 98 00 00 00 31 f6 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e eb 0b 00 00 41 8b 2e 31 c0 85 ed 75 3b <48> ba 00 00 00 00 00 fc ff df 48 c7 04 13 00 00 00 00 48 8b 8c 24 [ 718.150909][ C1] RSP: 0018:ffffc9000c127770 EFLAGS: 00000086 [ 718.150926][ C1] RAX: 0000000000000001 RBX: 1ffff92001824ef6 RCX: 0000000000000000 [ 718.150939][ C1] RDX: 0000000080000000 RSI: ffffc9000c127868 RDI: 0000000000000001 [ 718.150953][ C1] RBP: ffffc9000c127898 R08: ffffffff8de85f32 R09: 0000000000000001 [ 718.150966][ C1] R10: fffff52001824f1e R11: 0000000000086089 R12: ffffc9000c120000 [ 718.150980][ C1] R13: ffffc9000c1278cd R14: ffffc9000c127898 R15: ffffc9000c1278cc [ 718.150995][ C1] FS: 00007ff826cc68c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 718.151018][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.151032][ C1] CR2: 00007ff8240ec000 CR3: 0000000078aa4000 CR4: 00000000003506e0 [ 718.151046][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.151060][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.151073][ C1] Call Trace: [ 718.151079][ C1] ? __unwind_start+0x596/0x800 [ 718.151101][ C1] ? deref_stack_reg+0x150/0x150 [ 718.151119][ C1] ? get_stack_info_noinstr+0x14/0x120 [ 718.151144][ C1] __unwind_start+0x51b/0x800 [ 718.151163][ C1] ? create_prof_cpu_mask+0x20/0x20 [ 718.151247][ C1] arch_stack_walk+0x5c/0xe0 [ 718.151309][ C1] ? arch_stack_walk+0x5c/0xe0 [ 718.151329][ C1] stack_trace_save+0x8c/0xc0 [ 718.151349][ C1] ? stack_trace_consume_entry+0x160/0x160 [ 718.151372][ C1] ? find_held_lock+0x2d/0x110 [ 718.151392][ C1] save_stack+0x151/0x1e0 [ 718.151436][ C1] ? register_early_stack+0xb0/0xb0 [ 718.151459][ C1] ? get_page_from_freelist+0xa51/0x2f80 [ 718.151491][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 718.151513][ C1] ? preempt_count_add+0x74/0x140 [ 718.151549][ C1] __set_page_owner+0x50/0x290 [ 718.151572][ C1] ? post_alloc_hook+0x145/0x1e0 [ 718.151592][ C1] get_page_from_freelist+0xa72/0x2f80 [ 718.151615][ C1] ? lock_chain_count+0x20/0x20 [ 718.151635][ C1] ? kmem_cache_free+0x6c/0x200 [ 718.151674][ C1] ? __zone_watermark_ok+0x450/0x450 [ 718.151695][ C1] ? prepare_alloc_pages+0x17b/0x580 [ 718.151717][ C1] __alloc_pages+0x1b2/0x500 [ 718.151737][ C1] ? __alloc_pages_slowpath.constprop.0+0x21b0/0x21b0 [ 718.151762][ C1] ? find_held_lock+0x2d/0x110 [ 718.151781][ C1] ? exc_int3+0xb/0x80 [ 718.151807][ C1] cache_grow_begin+0x75/0x460 [ 718.151829][ C1] cache_alloc_refill+0x27f/0x380 [ 718.151851][ C1] kmem_cache_alloc+0x454/0x540 [ 718.151873][ C1] getname_flags.part.0+0x50/0x4f0 [ 718.151896][ C1] __x64_sys_mkdir+0xda/0x140 [ 718.151918][ C1] do_syscall_64+0x35/0xb0 [ 718.151937][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 718.151963][ C1] RIP: 0033:0x7ff825f81687 [ 718.151978][ C1] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 718.151998][ C1] RSP: 002b:00007ffc98f58238 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 [ 718.152017][ C1] RAX: ffffffffffffffda RBX: 00007ffc98f5b150 RCX: 00007ff825f81687 [ 718.152031][ C1] RDX: 00007ff8269f2a00 RSI: 00000000000001ed RDI: 0000560d9730b8c0 [ 718.152045][ C1] RBP: 00007ffc98f58270 R08: 0000000000000000 R09: 0000000000000000 [ 718.152057][ C1] R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 [ 718.152069][ C1] R13: 0000000000000000 R14: 00007ffc98f5b150 R15: 00007ffc98f58760 [ 718.152086][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.308 msecs [ 718.152836][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 718.543071][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.0-rc7-syzkaller #0 [ 718.551308][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.561354][ T27] Call Trace: [ 718.564634][ T27] dump_stack_lvl+0xcd/0x134 [ 718.569233][ T27] panic+0x2b0/0x6dd [ 718.573123][ T27] ? __warn_printk+0xf3/0xf3 [ 718.577717][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.582924][ T27] ? preempt_schedule_thunk+0x16/0x18 [ 718.588292][ T27] ? nmi_trigger_cpumask_backtrace+0x191/0x220 [ 718.594537][ T27] ? watchdog.cold+0x130/0x158 [ 718.599420][ T27] watchdog.cold+0x141/0x158 [ 718.604005][ T27] ? reset_hung_task_detector+0x30/0x30 [ 718.609555][ T27] kthread+0x3e5/0x4d0 [ 718.613809][ T27] ? set_kthread_struct+0x130/0x130 [ 718.619005][ T27] ret_from_fork+0x1f/0x30 [ 718.623833][ T27] Kernel Offset: disabled [ 718.628167][ T27] Rebooting in 86400 seconds..