[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 76.021547][ T32] audit: type=1800 audit(1569834936.062:25): pid=11509 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 76.051512][ T32] audit: type=1800 audit(1569834936.092:26): pid=11509 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 76.100049][ T32] audit: type=1800 audit(1569834936.122:27): pid=11509 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.218' (ECDSA) to the list of known hosts. syzkaller login: [ 96.464441][T11665] IPVS: ftp: loaded support on port[0] = 21 [ 96.467124][T11670] IPVS: ftp: loaded support on port[0] = 21 [ 96.485000][T11662] IPVS: ftp: loaded support on port[0] = 21 [ 96.487292][T11669] IPVS: ftp: loaded support on port[0] = 21 [ 96.501046][T11671] IPVS: ftp: loaded support on port[0] = 21 [ 96.506682][T11668] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program [ 96.922807][ T2914] usb 1-1: new low-speed USB device number 2 using dummy_hcd [ 96.943084][ T12] usb 2-1: new low-speed USB device number 2 using dummy_hcd [ 97.002787][ T3837] usb 6-1: new low-speed USB device number 2 using dummy_hcd [ 97.010533][ T17] usb 3-1: new low-speed USB device number 2 using dummy_hcd [ 97.018386][ T31] usb 5-1: new low-speed USB device number 2 using dummy_hcd [ 97.026094][T11677] usb 4-1: new low-speed USB device number 2 using dummy_hcd [ 97.283084][ T2914] usb 1-1: config 0 has an invalid interface number: 236 but max is 2 [ 97.291409][ T2914] usb 1-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 97.301677][ T2914] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 97.310698][ T2914] usb 1-1: config 0 has no interface number 0 [ 97.316881][ T2914] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 97.327046][ T2914] usb 1-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 97.336159][ T2914] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 97.345392][ T12] usb 2-1: config 0 has an invalid interface number: 236 but max is 2 [ 97.353702][ T12] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 97.364003][ T12] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 97.372981][ T12] usb 2-1: config 0 has no interface number 0 [ 97.373368][ T17] usb 3-1: config 0 has an invalid interface number: 236 but max is 2 [ 97.379117][ T12] usb 2-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 97.379281][ T12] usb 2-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 97.387670][ T17] usb 3-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 97.397589][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 97.399306][ T12] usb 2-1: config 0 descriptor?? [ 97.406938][ T17] usb 3-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 97.418447][ T2914] usb 1-1: config 0 descriptor?? [ 97.426040][ T17] usb 3-1: config 0 has no interface number 0 [ 97.451194][ T17] usb 3-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 97.461413][ T17] usb 3-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 97.470595][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 97.479839][ T3837] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 97.488211][ T3837] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 97.495440][ T12] iowarrior 2-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 97.498602][ T3837] usb 6-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 97.513907][ T2914] iowarrior 1-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 97.518183][ T3837] usb 6-1: config 0 has no interface number 0 [ 97.535039][ T3837] usb 6-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 97.545337][ T3837] usb 6-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 97.554540][ T3837] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 97.563708][ T31] usb 5-1: config 0 has an invalid interface number: 236 but max is 2 [ 97.571979][ T31] usb 5-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 97.582367][ T31] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 97.591441][ T31] usb 5-1: config 0 has no interface number 0 [ 97.597689][ T31] usb 5-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 97.608069][ T31] usb 5-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 97.617376][ T31] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 97.626325][T11677] usb 4-1: config 0 has an invalid interface number: 236 but max is 2 [ 97.634661][T11677] usb 4-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 97.645032][T11677] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 97.654070][T11677] usb 4-1: config 0 has no interface number 0 [ 97.660237][T11677] usb 4-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 97.670509][T11677] usb 4-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 97.679663][T11677] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 97.689364][ T31] usb 5-1: config 0 descriptor?? [ 97.690250][ T2914] usb 1-1: USB disconnect, device number 2 [ 97.695268][ T3837] usb 6-1: config 0 descriptor?? [ 97.701507][ T12] usb 2-1: USB disconnect, device number 2 [ 97.724451][ T12] iowarrior 2-1:0.236: I/O-Warror #0 now disconnected executing program [ 97.728892][T11677] usb 4-1: config 0 descriptor?? [ 97.736270][ T2914] iowarrior 1-1:0.236: I/O-Warror #1 now disconnected [ 97.753492][ T31] iowarrior 5-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 97.767470][ T3837] iowarrior 6-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 executing program [ 97.783577][ T17] usb 3-1: config 0 descriptor?? [ 97.801082][T11677] iowarrior 4-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 97.829373][ T17] iowarrior 3-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior3 executing program [ 97.940028][T11680] usb 5-1: USB disconnect, device number 2 [ 97.946994][T11674] iowarrior_open - error, can't find device for minor 0 [ 97.956505][T11680] iowarrior 5-1:0.236: I/O-Warror #0 now disconnected [ 97.965871][ T17] usb 6-1: USB disconnect, device number 2 [ 97.981670][ T17] iowarrior 6-1:0.236: I/O-Warror #1 now disconnected executing program executing program executing program [ 97.990579][T11692] usb 4-1: USB disconnect, device number 2 [ 98.009134][T11692] iowarrior 4-1:0.236: I/O-Warror #2 now disconnected [ 98.030110][T11677] usb 3-1: USB disconnect, device number 2 [ 98.040311][T11677] iowarrior 3-1:0.236: I/O-Warror #3 now disconnected [ 98.122806][ T2914] usb 1-1: new low-speed USB device number 3 using dummy_hcd [ 98.172922][ T12] usb 2-1: new low-speed USB device number 3 using dummy_hcd [ 98.322831][T11680] usb 5-1: new low-speed USB device number 3 using dummy_hcd [ 98.392791][ T17] usb 6-1: new low-speed USB device number 3 using dummy_hcd [ 98.402893][T11692] usb 4-1: new low-speed USB device number 3 using dummy_hcd [ 98.402949][T11677] usb 3-1: new low-speed USB device number 3 using dummy_hcd [ 98.492999][ T2914] usb 1-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.501323][ T2914] usb 1-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.511695][ T2914] usb 1-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.520683][ T2914] usb 1-1: config 0 has no interface number 0 [ 98.526885][ T2914] usb 1-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.537104][ T2914] usb 1-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.546192][ T2914] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.556285][ T2914] usb 1-1: config 0 descriptor?? [ 98.593095][ T12] usb 2-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.601422][ T12] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.612036][ T12] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.621044][ T12] usb 2-1: config 0 has no interface number 0 [ 98.627253][ T12] usb 2-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.637461][ T12] usb 2-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.646625][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.660347][ T12] usb 2-1: config 0 descriptor?? [ 98.666480][ T2914] iowarrior 1-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 98.708354][ T12] iowarrior 2-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 98.772938][T11680] usb 5-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.781434][T11680] usb 5-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.791837][T11680] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.800814][T11680] usb 5-1: config 0 has no interface number 0 [ 98.807031][T11680] usb 5-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.817240][T11680] usb 5-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.817656][T11677] usb 3-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.826399][T11680] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.828144][T11680] usb 5-1: config 0 descriptor?? [ 98.834679][T11677] usb 3-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.834751][T11677] usb 3-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.834814][T11677] usb 3-1: config 0 has no interface number 0 [ 98.834893][T11677] usb 3-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.834997][T11677] usb 3-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.835052][T11677] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.863205][T11692] usb 4-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.873368][T11692] usb 4-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.884024][ T17] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 98.892516][T11692] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.900602][ T17] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 98.908863][T11692] usb 4-1: config 0 has no interface number 0 [ 98.918915][ T17] usb 6-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 98.918983][ T17] usb 6-1: config 0 has no interface number 0 [ 98.927198][T11692] usb 4-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.936072][ T17] usb 6-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 98.946311][T11692] usb 4-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.952376][ T17] usb 6-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 98.961263][T11692] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 98.967360][ T17] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 executing program [ 99.013523][T11677] usb 3-1: config 0 descriptor?? [ 99.028757][ T12] usb 2-1: USB disconnect, device number 3 [ 99.031555][ T31] usb 1-1: USB disconnect, device number 3 [ 99.042881][T11680] iowarrior 5-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 99.056328][ T12] iowarrior 2-1:0.236: I/O-Warror #1 now disconnected executing program [ 99.072227][T11692] usb 4-1: config 0 descriptor?? [ 99.083420][T11677] iowarrior 3-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 99.105627][ T31] iowarrior 1-1:0.236: I/O-Warror #0 now disconnected [ 99.117314][ T17] usb 6-1: config 0 descriptor?? [ 99.123861][T11692] iowarrior 4-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 executing program [ 99.176338][ T17] iowarrior 6-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior3 [ 99.228763][T11677] usb 5-1: USB disconnect, device number 3 [ 99.237341][T11677] iowarrior 5-1:0.236: I/O-Warror #2 now disconnected executing program [ 99.279877][ T17] usb 3-1: USB disconnect, device number 3 [ 99.287432][ T17] iowarrior 3-1:0.236: I/O-Warror #1 now disconnected [ 99.315384][T11692] usb 4-1: USB disconnect, device number 3 executing program executing program [ 99.335375][T11692] iowarrior 4-1:0.236: I/O-Warror #0 now disconnected [ 99.366782][T11680] usb 6-1: USB disconnect, device number 3 [ 99.376277][T11680] iowarrior 6-1:0.236: I/O-Warror #3 now disconnected [ 99.462903][ T12] usb 2-1: new low-speed USB device number 4 using dummy_hcd [ 99.492800][ T31] usb 1-1: new low-speed USB device number 4 using dummy_hcd [ 99.602759][T11677] usb 5-1: new low-speed USB device number 4 using dummy_hcd [ 99.702868][T11692] usb 4-1: new low-speed USB device number 4 using dummy_hcd [ 99.703152][ T17] usb 3-1: new low-speed USB device number 4 using dummy_hcd [ 99.792846][T11680] usb 6-1: new low-speed USB device number 4 using dummy_hcd [ 99.823198][ T12] usb 2-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.831535][ T12] usb 2-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 99.841847][ T12] usb 2-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 99.850902][ T12] usb 2-1: config 0 has no interface number 0 [ 99.857083][ T12] usb 2-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 99.867296][ T12] usb 2-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 99.876384][ T12] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 99.884789][ T31] usb 1-1: unable to read config index 0 descriptor/all [ 99.891875][ T31] usb 1-1: can't read configurations, error -32 [ 99.893353][ T12] usb 2-1: config 0 descriptor?? [ 99.958303][ T12] iowarrior 2-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior0 [ 99.983076][T11677] usb 5-1: config 0 has an invalid interface number: 236 but max is 2 [ 99.991373][T11677] usb 5-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 100.002101][T11677] usb 5-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 100.011156][T11677] usb 5-1: config 0 has no interface number 0 [ 100.017332][T11677] usb 5-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 100.027579][T11677] usb 5-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 100.036749][T11677] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.047067][T11677] usb 5-1: config 0 descriptor?? [ 100.087821][T11677] iowarrior 5-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior1 [ 100.113968][ T31] usb 1-1: new low-speed USB device number 5 using dummy_hcd [ 100.122949][ T17] usb 3-1: config 0 has an invalid interface number: 236 but max is 2 [ 100.131203][ T17] usb 3-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 100.141626][ T17] usb 3-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 100.150874][ T17] usb 3-1: config 0 has no interface number 0 [ 100.153043][T11692] usb 4-1: config 0 has an invalid interface number: 236 but max is 2 [ 100.157250][ T17] usb 3-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 100.165475][T11692] usb 4-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 100.175786][ T17] usb 3-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 100.185991][T11692] usb 4-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 100.195048][ T17] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.203927][T11692] usb 4-1: config 0 has no interface number 0 [ 100.204004][T11692] usb 4-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 100.204108][T11692] usb 4-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 100.204169][T11692] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.205854][T11692] usb 4-1: config 0 descriptor?? [ 100.252162][T11677] usb 2-1: USB disconnect, device number 4 [ 100.253126][T11680] usb 6-1: config 0 has an invalid interface number: 236 but max is 2 [ 100.258204][ C1] iowarrior 2-1:0.236: iowarrior_callback - usb_submit_urb failed with result -19 [ 100.266473][T11680] usb 6-1: config 0 has an invalid descriptor of length 99, skipping remainder of the config [ 100.282409][ T17] usb 3-1: config 0 descriptor?? [ 100.286292][T11680] usb 6-1: config 0 has 1 interface, different from the descriptor's value: 3 [ 100.291575][T11706] iowarrior_open - error, can't find device for minor 0 [ 100.299937][T11680] usb 6-1: config 0 has no interface number 0 [ 100.300015][T11680] usb 6-1: config 0 interface 236 altsetting 0 endpoint 0x81 is Bulk; changing to Interrupt [ 100.313136][T11680] usb 6-1: New USB device found, idVendor=07c0, idProduct=1501, bcdDevice=74.a0 [ 100.332266][T11680] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 100.342398][ T3837] usb 5-1: USB disconnect, device number 4 [ 100.354277][ T17] iowarrior 3-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior2 [ 100.363397][T11692] iowarrior 4-1:0.236: IOWarrior product=0x1501, serial= interface=236 now attached to iowarrior3 [ 100.376477][T11677] ===================================================== [ 100.383490][T11677] BUG: KMSAN: uninit-value in __mutex_lock+0x8d8/0x1980 [ 100.390411][T11677] CPU: 1 PID: 11677 Comm: kworker/1:3 Not tainted 5.3.0-rc7+ #0 [ 100.398068][T11677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.408122][T11677] Workqueue: usb_hub_wq hub_event [ 100.413145][T11677] Call Trace: [ 100.416445][T11677] dump_stack+0x191/0x1f0 [ 100.420797][T11677] kmsan_report+0x13a/0x2b0 [ 100.420821][T11677] __msan_warning+0x73/0xe0 [ 100.420846][T11677] __list_add_valid+0x1b6/0x430 [ 100.420872][T11677] __mutex_lock+0x8d8/0x1980 [ 100.420917][T11677] ? kmsan_internal_unpoison_shadow+0x42/0x80 [ 100.429904][T11677] __mutex_lock_slowpath+0x2c/0x30 [ 100.450464][T11677] mutex_lock+0x5d/0x80 [ 100.454636][T11677] iowarrior_disconnect+0x133/0x3e0 [ 100.459935][T11677] ? iowarrior_probe+0x1a50/0x1a50 [ 100.465055][T11677] usb_unbind_interface+0x3a2/0xdd0 [ 100.470280][T11677] ? usb_driver_release_interface+0x2a0/0x2a0 [ 100.476361][T11677] device_release_driver_internal+0x911/0xd20 [ 100.476394][T11677] device_release_driver+0x4b/0x60 [ 100.476415][T11677] bus_remove_device+0x4bf/0x670 [ 100.476441][T11677] device_del+0xcd5/0x1d10 [ 100.476480][T11677] usb_disable_device+0x567/0x1150 [ 100.487637][T11677] usb_disconnect+0x51e/0xd60 [ 100.506707][T11677] hub_event+0x3fd0/0x72f0 [ 100.511163][T11677] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 100.517070][T11677] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 100.522955][T11677] ? led_work+0x720/0x720 [ 100.527281][T11677] ? led_work+0x720/0x720 [ 100.531617][T11677] process_one_work+0x1572/0x1ef0 [ 100.536649][T11677] worker_thread+0x111b/0x2460 [ 100.541428][T11677] kthread+0x4b5/0x4f0 [ 100.541461][T11677] ? process_one_work+0x1ef0/0x1ef0 [ 100.550717][T11677] ? kthread_blkcg+0xf0/0xf0 [ 100.555313][T11677] ret_from_fork+0x35/0x40 [ 100.559666][T11692] usb 4-1: USB disconnect, device number 4 [ 100.559752][T11677] kmsan_internal_poison_shadow+0x53/0x100 [ 100.571341][T11677] kmsan_slab_free+0x8d/0x100 [ 100.576056][T11677] kfree+0x4c1/0x2db0 [ 100.580029][T11677] iowarrior_release+0x334/0x3a0 [ 100.584974][T11677] __fput+0x4c9/0xba0 [ 100.588952][T11677] ____fput+0x37/0x40 [ 100.592922][T11677] task_work_run+0x22e/0x2a0 [ 100.597510][T11677] prepare_exit_to_usermode+0x39d/0x4d0 [ 100.603058][T11677] syscall_return_slowpath+0x90/0x610 [ 100.608422][T11677] do_syscall_64+0xe2/0xf0 [ 100.612819][T11677] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 100.618687][T11677] ===================================================== [ 100.625731][T11677] Disabling lock debugging due to kernel taint [ 100.631858][T11677] Kernel panic - not syncing: panic_on_warn set ... [ 100.638432][T11677] CPU: 1 PID: 11677 Comm: kworker/1:3 Tainted: G B 5.3.0-rc7+ #0 [ 100.647573][T11677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.657669][T11677] Workqueue: usb_hub_wq hub_event [ 100.662673][T11677] Call Trace: [ 100.665951][T11677] dump_stack+0x191/0x1f0 [ 100.670288][T11677] panic+0x3c9/0xc1e [ 100.674212][T11677] kmsan_report+0x2a2/0x2b0 [ 100.678717][T11677] __msan_warning+0x73/0xe0 [ 100.683225][T11677] __list_add_valid+0x1b6/0x430 [ 100.688082][T11677] __mutex_lock+0x8d8/0x1980 [ 100.692670][T11677] ? kmsan_internal_unpoison_shadow+0x42/0x80 [ 100.698718][T11677] __mutex_lock_slowpath+0x2c/0x30 [ 100.703807][T11677] mutex_lock+0x5d/0x80 [ 100.707947][T11677] iowarrior_disconnect+0x133/0x3e0 [ 100.713125][T11677] ? iowarrior_probe+0x1a50/0x1a50 [ 100.718216][T11677] usb_unbind_interface+0x3a2/0xdd0 [ 100.723430][T11677] ? usb_driver_release_interface+0x2a0/0x2a0 [ 100.729491][T11677] device_release_driver_internal+0x911/0xd20 [ 100.735543][T11677] device_release_driver+0x4b/0x60 [ 100.740636][T11677] bus_remove_device+0x4bf/0x670 [ 100.745568][T11677] device_del+0xcd5/0x1d10 [ 100.750000][T11677] usb_disable_device+0x567/0x1150 [ 100.755119][T11677] usb_disconnect+0x51e/0xd60 [ 100.759795][T11677] hub_event+0x3fd0/0x72f0 [ 100.764248][T11677] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 100.770126][T11677] ? kmsan_get_shadow_origin_ptr+0x6e/0x4c0 [ 100.776005][T11677] ? led_work+0x720/0x720 [ 100.780333][T11677] ? led_work+0x720/0x720 [ 100.784651][T11677] process_one_work+0x1572/0x1ef0 [ 100.789671][T11677] worker_thread+0x111b/0x2460 [ 100.794426][T11677] kthread+0x4b5/0x4f0 [ 100.798476][T11677] ? process_one_work+0x1ef0/0x1ef0 [ 100.803659][T11677] ? kthread_blkcg+0xf0/0xf0 [ 100.808252][T11677] ret_from_fork+0x35/0x40 [ 100.814167][T11677] Kernel Offset: disabled [ 100.818492][T11677] Rebooting in 86400 seconds..