[ 17.123003][ C1] random: crng init done [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] 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 '10.128.0.78' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 55.070107][ T12] usb 6-1: new high-speed USB device number 2 using dummy_hcd [ 55.239948][ T83] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 55.259968][ T103] usb 3-1: new high-speed USB device number 2 using dummy_hcd [ 55.270073][ T17] usb 4-1: new high-speed USB device number 2 using dummy_hcd [ 55.299960][ T21] usb 5-1: new high-speed USB device number 2 using dummy_hcd [ 55.309940][ T12] usb 6-1: Using ep0 maxpacket: 32 [ 55.315211][ T2678] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 55.440229][ T12] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 55.451363][ T12] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 55.464232][ T12] usb 6-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 55.473330][ T12] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.483007][ T12] usb 6-1: config 0 descriptor?? [ 55.489991][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 55.520018][ T17] usb 4-1: Using ep0 maxpacket: 32 [ 55.540056][ T21] usb 5-1: Using ep0 maxpacket: 32 [ 55.550102][ T103] usb 3-1: Using ep0 maxpacket: 32 [ 55.610032][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 55.619952][ T2678] usb 2-1: Using ep0 maxpacket: 32 [ 55.621102][ T83] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 55.638890][ T83] usb 1-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 55.648027][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.656198][ T17] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 55.667132][ T17] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 55.680063][ T17] usb 4-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 55.689101][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.690228][ T103] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 55.698189][ T17] usb 4-1: config 0 descriptor?? [ 55.708152][ T103] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 55.713240][ T21] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 55.725960][ T103] usb 3-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 55.736823][ T21] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 55.736858][ T21] usb 5-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 55.745928][ T103] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.759028][ T103] usb 3-1: config 0 descriptor?? [ 55.767883][ T21] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.770243][ T83] usb 1-1: config 0 descriptor?? [ 55.790131][ T2678] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 55.794918][ T21] usb 5-1: config 0 descriptor?? [ 55.805742][ T2678] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 55.823690][ T2678] usb 2-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 55.832787][ T2678] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 55.845327][ T2678] usb 2-1: config 0 descriptor?? [ 55.992164][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.000522][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.008617][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.016787][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.024927][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.033095][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.041255][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.049353][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.057599][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.065818][ T12] logitech-djreceiver 0003:046D:C71C.0001: unknown main item tag 0x0 [ 56.076084][ T12] logitech-djreceiver 0003:046D:C71C.0001: hidraw0: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.5-1/input0 executing program [ 56.191979][ T2691] usb 6-1: USB disconnect, device number 2 [ 56.251875][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.266780][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.275064][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.281825][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.283213][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.296242][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.299954][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.299975][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.299993][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.308089][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.316247][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.324376][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.332540][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.340745][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.348908][ T17] logitech-djreceiver 0003:046D:C71C.0002: unknown main item tag 0x0 [ 56.357049][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.367706][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.373498][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.373518][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.373536][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.373554][ T103] logitech-djreceiver 0003:046D:C71C.0003: unknown main item tag 0x0 [ 56.375206][ T103] logitech-djreceiver 0003:046D:C71C.0003: hidraw0: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.2-1/input0 [ 56.384362][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.392091][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.398894][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.423668][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.430903][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.430925][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.430955][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.443274][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.451373][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.459451][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.467622][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.475783][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.483906][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.483933][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.492110][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.500229][ T21] logitech-djreceiver 0003:046D:C71C.0005: unknown main item tag 0x0 [ 56.508327][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.522527][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.524591][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.532838][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.540977][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.549078][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.557226][ T2678] logitech-djreceiver 0003:046D:C71C.0006: unknown main item tag 0x0 [ 56.565524][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.587264][ T103] usb 3-1: USB disconnect, device number 2 [ 56.590865][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 executing program executing program executing program executing program [ 56.590886][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.661827][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.662429][ T2678] logitech-djreceiver 0003:046D:C71C.0006: hidraw0: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.1-1/input0 [ 56.669995][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 [ 56.670015][ T83] logitech-djreceiver 0003:046D:C71C.0004: unknown main item tag 0x0 executing program [ 56.683897][ T17] logitech-djreceiver 0003:046D:C71C.0002: hidraw1: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.3-1/input0 [ 56.714621][ T21] logitech-djreceiver 0003:046D:C71C.0005: hidraw2: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.4-1/input0 [ 56.728493][ T83] logitech-djreceiver 0003:046D:C71C.0004: hidraw3: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.0-1/input0 [ 56.761820][ T2678] usb 2-1: USB disconnect, device number 2 [ 56.781705][ T17] usb 4-1: USB disconnect, device number 2 [ 56.791850][ T21] usb 5-1: USB disconnect, device number 2 [ 56.812398][ T83] usb 1-1: USB disconnect, device number 2 [ 56.820153][ T2691] usb 6-1: new high-speed USB device number 3 using dummy_hcd [ 57.050139][ T103] usb 3-1: new high-speed USB device number 3 using dummy_hcd [ 57.060026][ T2691] usb 6-1: Using ep0 maxpacket: 32 [ 57.119967][ T2678] usb 2-1: new high-speed USB device number 3 using dummy_hcd [ 57.149936][ T17] usb 4-1: new high-speed USB device number 3 using dummy_hcd [ 57.180002][ T83] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 57.187672][ T21] usb 5-1: new high-speed USB device number 3 using dummy_hcd [ 57.195556][ T2691] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.206667][ T2691] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 57.219598][ T2691] usb 6-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 57.228694][ T2691] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.237895][ T2691] usb 6-1: config 0 descriptor?? [ 57.309953][ T103] usb 3-1: Using ep0 maxpacket: 32 [ 57.390055][ T2678] usb 2-1: Using ep0 maxpacket: 32 [ 57.429950][ T17] usb 4-1: Using ep0 maxpacket: 32 [ 57.430209][ T103] usb 3-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.446083][ T103] usb 3-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 57.458941][ T103] usb 3-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 57.468096][ T103] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.470096][ T21] usb 5-1: Using ep0 maxpacket: 32 [ 57.477363][ T103] usb 3-1: config 0 descriptor?? [ 57.481544][ T83] usb 1-1: Using ep0 maxpacket: 32 [ 57.570099][ T2678] usb 2-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.570169][ T17] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.581178][ T2678] usb 2-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 57.592077][ T17] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 57.592113][ T17] usb 4-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 57.604957][ T2678] usb 2-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 57.617762][ T17] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.619471][ T17] usb 4-1: config 0 descriptor?? [ 57.626845][ T2678] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.632509][ T2678] usb 2-1: config 0 descriptor?? [ 57.650168][ T83] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.672934][ T83] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 57.685804][ T83] usb 1-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 57.694857][ T83] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.702994][ T21] usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 57.713924][ T21] usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 57.726878][ T21] usb 5-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 57.735957][ T21] usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 57.745407][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.756044][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.764271][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.772492][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.780817][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.788897][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.797022][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.805129][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.813294][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.821415][ T2691] logitech-djreceiver 0003:046D:C71C.0007: unknown main item tag 0x0 [ 57.830555][ T21] usb 5-1: config 0 descriptor?? [ 57.836333][ T83] usb 1-1: config 0 descriptor?? [ 57.842389][ T2691] logitech-djreceiver 0003:046D:C71C.0007: hidraw0: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.5-1/input0 executing program [ 57.921860][ T2691] usb 6-1: USB disconnect, device number 3 [ 57.961707][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 57.970551][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 57.978659][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 57.988135][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 57.996308][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 58.004456][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 58.012624][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 58.020779][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 58.028862][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 58.036996][ T103] logitech-djreceiver 0003:046D:C71C.0008: unknown main item tag 0x0 [ 58.046703][ T103] logitech-djreceiver 0003:046D:C71C.0008: hidraw0: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.2-1/input0 [ 58.111786][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.120190][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.128300][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.136722][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.144928][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.151784][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.153091][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.169270][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.170030][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.177455][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.185602][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.193785][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 executing program [ 58.201904][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.210056][ T17] logitech-djreceiver 0003:046D:C71C.0009: unknown main item tag 0x0 [ 58.218120][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.229855][ T17] logitech-djreceiver 0003:046D:C71C.0009: hidraw1: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.3-1/input0 [ 58.234666][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.255185][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.263349][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.271469][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.279827][ T2678] logitech-djreceiver 0003:046D:C71C.000A: unknown main item tag 0x0 [ 58.296685][ T103] usb 3-1: USB disconnect, device number 3 executing program [ 58.314911][ T17] usb 4-1: USB disconnect, device number 3 [ 58.316152][ T2678] logitech-djreceiver 0003:046D:C71C.000A: hidraw2: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.1-1/input0 [ 58.322475][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.343327][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.357226][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 executing program [ 58.365659][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.373825][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.381974][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.390153][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.398425][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.406586][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.414354][ T2678] usb 2-1: USB disconnect, device number 3 [ 58.414706][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.428701][ T21] logitech-djreceiver 0003:046D:C71C.000C: unknown main item tag 0x0 [ 58.437213][ T2691] usb 6-1: new high-speed USB device number 4 using dummy_hcd [ 58.445428][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.453626][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.461914][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.470242][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.478328][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.486572][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.494717][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.502868][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.511021][ T83] logitech-djreceiver 0003:046D:C71C.000B: unknown main item tag 0x0 [ 58.520554][ T83] logitech-djreceiver 0003:046D:C71C.000B: hidraw0: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.0-1/input0 [ 58.533710][ T21] logitech-djreceiver 0003:046D:C71C.000C: hidraw2: USB HID v0.00 Device [HID 046d:c71c] on usb-dummy_hcd.4-1/input0 [ 58.550321][ T2713] ================================================================== [ 58.558457][ T2713] BUG: KASAN: use-after-free in hidraw_ioctl+0x609/0xae0 [ 58.565482][ T2713] Read of size 4 at addr ffff8881ce6e4018 by task syz-executor236/2713 [ 58.573703][ T2713] [ 58.576017][ T2713] CPU: 0 PID: 2713 Comm: syz-executor236 Not tainted 5.3.0-rc2+ #25 [ 58.583971][ T2713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.594013][ T2713] Call Trace: [ 58.597304][ T2713] dump_stack+0xca/0x13e [ 58.601558][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 58.606241][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 58.610923][ T2713] print_address_description+0x6a/0x32c [ 58.616470][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 58.621150][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 58.625825][ T2713] __kasan_report.cold+0x1a/0x33 [ 58.630753][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 58.635425][ T2713] kasan_report+0xe/0x12 [ 58.639664][ T2713] hidraw_ioctl+0x609/0xae0 [ 58.644146][ T2713] ? hidraw_disconnect+0x2c0/0x2c0 [ 58.649323][ T2713] ? lock_acquire+0x127/0x320 [ 58.653991][ T2713] ? debug_object_free+0x52/0x340 [ 58.659002][ T2713] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 58.664801][ T2713] ? hidraw_disconnect+0x2c0/0x2c0 [ 58.669910][ T2713] do_vfs_ioctl+0xd2d/0x1330 [ 58.674497][ T2713] ? ioctl_preallocate+0x200/0x200 [ 58.679616][ T2713] ? hrtimer_nanosleep+0x28a/0x510 [ 58.684715][ T2713] ? nanosleep_copyout+0x100/0x100 [ 58.689815][ T2713] ? _copy_from_user+0x123/0x190 [ 58.694751][ T2713] ? clock_was_set_work+0x20/0x20 [ 58.699774][ T2713] ? put_old_itimerspec32+0x1d0/0x1d0 [ 58.705137][ T2713] ksys_ioctl+0x9b/0xc0 [ 58.709279][ T2713] __x64_sys_ioctl+0x6f/0xb0 [ 58.709975][ T2691] usb 6-1: Using ep0 maxpacket: 32 [ 58.713859][ T2713] ? lockdep_hardirqs_on+0x379/0x580 [ 58.713880][ T2713] do_syscall_64+0xb7/0x580 [ 58.713896][ T2713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.713907][ T2713] RIP: 0033:0x446839 [ 58.713921][ T2713] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b cd fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.713929][ T2713] RSP: 002b:00007ffe798e8e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.766530][ T2713] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000446839 [ 58.774486][ T2713] RDX: 0000000000000000 RSI: 0000000080044801 RDI: 0000000000000004 [ 58.782449][ T2713] RBP: 000000000000d6da R08: 000000000000000b R09: 0000000400000000 [ 58.790414][ T2713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 58.798374][ T2713] R13: 0000000000403ae0 R14: 0000000000000000 R15: 0000000000000000 [ 58.806353][ T2713] [ 58.808684][ T2713] Allocated by task 1604: [ 58.812998][ T2713] save_stack+0x1b/0x80 [ 58.817143][ T2713] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 58.822772][ T2713] do_syslog+0x540/0x1380 [ 58.827100][ T2713] kmsg_read+0x8a/0xb0 [ 58.830126][ T2691] usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 58.831165][ T2713] proc_reg_read+0x1c1/0x280 [ 58.831177][ T2713] __vfs_read+0x76/0x100 [ 58.831187][ T2713] vfs_read+0x1ea/0x430 [ 58.831197][ T2713] ksys_read+0x127/0x250 [ 58.831209][ T2713] do_syscall_64+0xb7/0x580 [ 58.831223][ T2713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.831227][ T2713] [ 58.831234][ T2713] Freed by task 1604: [ 58.831251][ T2713] save_stack+0x1b/0x80 [ 58.842218][ T2691] usb 6-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 58.846706][ T2713] __kasan_slab_free+0x130/0x180 [ 58.851045][ T2691] usb 6-1: New USB device found, idVendor=046d, idProduct=c71c, bcdDevice= 0.40 [ 58.855069][ T2713] kfree+0xe4/0x2f0 [ 58.855085][ T2713] do_syslog+0x1098/0x1380 [ 58.859336][ T2691] usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 58.863821][ T2713] kmsg_read+0x8a/0xb0 [ 58.863832][ T2713] proc_reg_read+0x1c1/0x280 [ 58.863841][ T2713] __vfs_read+0x76/0x100 [ 58.863849][ T2713] vfs_read+0x1ea/0x430 [ 58.863869][ T2713] ksys_read+0x127/0x250 [ 58.863886][ T2713] do_syscall_64+0xb7/0x580 [ 58.884913][ T2691] usb 6-1: config 0 descriptor?? [ 58.892933][ T2713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.892938][ T2713] [ 58.892949][ T2713] The buggy address belongs to the object at ffff8881ce6e4000 [ 58.892949][ T2713] which belongs to the cache kmalloc-1k of size 1024 [ 58.892960][ T2713] The buggy address is located 24 bytes inside of [ 58.892960][ T2713] 1024-byte region [ffff8881ce6e4000, ffff8881ce6e4400) [ 58.892965][ T2713] The buggy address belongs to the page: [ 58.892977][ T2713] page:ffffea000739b900 refcount:1 mapcount:0 mapping:ffff8881da002280 index:0x0 compound_mapcount: 0 [ 58.892993][ T2713] flags: 0x200000000010200(slab|head) [ 58.893009][ T2713] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da002280 [ 58.893022][ T2713] raw: 0000000000000000 00000000800e000e 00000001ffffffff 0000000000000000 [ 58.893032][ T2713] page dumped because: kasan: bad access detected [ 58.893036][ T2713] [ 58.893040][ T2713] Memory state around the buggy address: [ 58.893051][ T2713] ffff8881ce6e3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 58.893067][ T2713] ffff8881ce6e3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 58.893082][ T2713] >ffff8881ce6e4000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.898241][ T17] usb 4-1: new high-speed USB device number 4 using dummy_hcd [ 58.907013][ T2713] ^ [ 58.907027][ T2713] ffff8881ce6e4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.907036][ T2713] ffff8881ce6e4100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 58.907040][ T2713] ================================================================== [ 58.907044][ T2713] Disabling lock debugging due to kernel taint [ 58.907234][ T2713] Kernel panic - not syncing: panic_on_warn set ... [ 59.118232][ T2713] CPU: 0 PID: 2713 Comm: syz-executor236 Tainted: G B 5.3.0-rc2+ #25 [ 59.127593][ T2713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.137629][ T2713] Call Trace: [ 59.140901][ T2713] dump_stack+0xca/0x13e [ 59.145123][ T2713] panic+0x2a3/0x6da [ 59.149099][ T2713] ? add_taint.cold+0x16/0x16 [ 59.149950][ T17] usb 4-1: Using ep0 maxpacket: 32 [ 59.153783][ T2713] ? retint_kernel+0x10/0x10 [ 59.153797][ T2713] ? trace_hardirqs_on+0x55/0x1e0 [ 59.153808][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 59.153826][ T2713] end_report+0x43/0x49 [ 59.177254][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 59.181910][ T2713] __kasan_report.cold+0xd/0x33 [ 59.186761][ T2713] ? hidraw_ioctl+0x609/0xae0 [ 59.191425][ T2713] kasan_report+0xe/0x12 [ 59.195663][ T2713] hidraw_ioctl+0x609/0xae0 [ 59.200149][ T2713] ? hidraw_disconnect+0x2c0/0x2c0 [ 59.205239][ T2713] ? lock_acquire+0x127/0x320 [ 59.209902][ T2713] ? debug_object_free+0x52/0x340 [ 59.214919][ T2713] ? _raw_spin_unlock_irqrestore+0x3e/0x50 [ 59.220702][ T2713] ? hidraw_disconnect+0x2c0/0x2c0 [ 59.225823][ T2713] do_vfs_ioctl+0xd2d/0x1330 [ 59.230408][ T2713] ? ioctl_preallocate+0x200/0x200 [ 59.235497][ T2713] ? hrtimer_nanosleep+0x28a/0x510 [ 59.240593][ T2713] ? nanosleep_copyout+0x100/0x100 [ 59.245698][ T2713] ? _copy_from_user+0x123/0x190 [ 59.250658][ T2713] ? clock_was_set_work+0x20/0x20 [ 59.255669][ T2713] ? put_old_itimerspec32+0x1d0/0x1d0 [ 59.261037][ T2713] ksys_ioctl+0x9b/0xc0 [ 59.265189][ T2713] __x64_sys_ioctl+0x6f/0xb0 [ 59.269759][ T2713] ? lockdep_hardirqs_on+0x379/0x580 [ 59.270199][ T17] usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 59.275028][ T2713] do_syscall_64+0xb7/0x580 [ 59.275043][ T2713] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.275053][ T2713] RIP: 0033:0x446839 [ 59.275073][ T2713] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b cd fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.285973][ T17] usb 4-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 59.290394][ T2713] RSP: 002b:00007ffe798e8e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.290406][ T2713] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000446839 [ 59.290411][ T2713] RDX: 0000000000000000 RSI: 0000000080044801 RDI: 0000000000000004 [ 59.290417][ T2713] RBP: 000000000000d6da R08: 000000000000000b R09: 0000000400000000 [ 59.290423][ T2713] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.290429][ T2713] R13: 0000000000403ae0 R14: 0000000000000000 R15: 0000000000000000 [ 59.290732][ T2713] Kernel Offset: disabled [ 59.385286][ T2713] Rebooting in 86400 seconds..