[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.196' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.605156][ T19] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.885141][ T19] usb 1-1: Using ep0 maxpacket: 16 [ 53.045130][ T19] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 53.056353][ T19] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 53.067025][ T19] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 53.077436][ T19] usb 1-1: config 0 descriptor?? [ 53.095423][ T8413] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 53.116452][ T19] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 53.123027][ T19] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 53.131130][ T19] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 53.139355][ T19] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 53.146510][ T19] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 53.317326][ T3843] usb 1-1: USB disconnect, device number 2 [ 53.323682][ T3843] mcba_usb 1-1:0.0 can0: device disconnected executing program [ 58.863979][ T19] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 59.103923][ T19] usb 1-1: Using ep0 maxpacket: 16 [ 59.253998][ T19] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 59.264423][ T19] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 59.273759][ T19] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.283120][ T19] usb 1-1: config 0 descriptor?? [ 59.313977][ T8443] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 59.335768][ T19] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 59.342061][ T19] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 59.352459][ T19] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 59.360137][ T19] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 59.368340][ T19] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 59.552811][ T19] usb 1-1: USB disconnect, device number 3 [ 59.559167][ T19] mcba_usb 1-1:0.0 can0: device disconnected [ 60.633362][ T8412] kmemleak: 19 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 67.078355][ T8412] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881102bfd40 (size 64): comm "kworker/1:0", pid 19, jiffies 4294942575 (age 14.030s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e30033dd>] hcd_buffer_alloc+0x149/0x190 [<00000000e91f2df1>] usb_alloc_coherent+0x42/0x60 [<0000000092546442>] mcba_usb_probe+0x27b/0x430 [<000000008e770fe6>] usb_probe_interface+0x177/0x370 [<000000001faa255f>] really_probe+0x159/0x4a0 [<00000000f0df1d4d>] driver_probe_device+0x84/0x100 [<00000000cc9c4d3e>] __device_attach_driver+0xee/0x110 [<0000000073590e34>] bus_for_each_drv+0xb7/0x100 [<00000000e46de367>] __device_attach+0x122/0x250 [<00000000b06f9d71>] bus_probe_device+0xc6/0xe0 [<000000006577e478>] device_add+0x5be/0xc30 [<00000000b0fb488f>] usb_set_configuration+0x9d9/0xb90 [<00000000ee9a8ed0>] usb_generic_driver_probe+0x8c/0xc0 [<00000000fdf4c98d>] usb_probe_device+0x5c/0x140 [<000000001faa255f>] really_probe+0x159/0x4a0 [<00000000f0df1d4d>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff8881102bfd00 (size 64): comm "kworker/1:0", pid 19, jiffies 4294942575 (age 14.040s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e30033dd>] hcd_buffer_alloc+0x149/0x190 [<00000000e91f2df1>] usb_alloc_coherent+0x42/0x60 [<0000000092546442>] mcba_usb_probe+0x27b/0x430 [<000000008e770fe6>] usb_probe_interface+0x177/0x370 [<000000001faa255f>] really_probe+0x159/0x4a0 [<00000000f0df1d4d>] driver_probe_device+0x84/0x100 [<00000000cc9c4d3e>] __device_attach_driver+0xee/0x110 [<0000000073590e34>] bus_for_each_drv+0xb7/0x100 [<00000000e46de367>] __device_attach+0x122/0x250 [<00000000b06f9d71>] bus_probe_device+0xc6/0xe0 [<000000006577e478>] device_add+0x5be/0xc30 [<00000000b0fb488f>] usb_set_configuration+0x9d9/0xb90 [<00000000ee9a8ed0>] usb_generic_driver_probe+0x8c/0xc0 [<00000000fdf4c98d>] usb_probe_device+0x5c/0x140 [<000000001faa255f>] really_probe+0x159/0x4a0 [<00000000f0df1d4d>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff8881103e9fc0 (size 64): comm "kworker/1:0", pid 19, jiffies 4294942575 (age 14.040s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000e30033dd>] hcd_buffer_alloc+0x149/0x190 [<00000000e91f2df1>] usb_alloc_coherent+0x42/0x60 [<0000000092546442>] mcba_usb_probe+0x27b/0x430 [<000000008e770fe6>] usb_probe_interface+0x177/0x370 [<000000001faa255f>] really_probe+0x159/0x4a0 [<00000000f0df1d4d>] driver_probe_device+0x84/0x100 [<00000000cc9c4d3e>] __device_attach_driver+0xee/0x110 [<0000000073590e34>] bus_for_each_drv+0xb7/0x100 [<00000000e46de367>] __device_attach+0x122/0x250 [<00000000b06f9d71>] bus_probe_device+0xc6/0xe0 [<000000006577e478>] device_add+0x5be/0xc30 [<00000000b0fb488f>] usb_set_configuration+0x9d9/0xb90 [<00000000ee9a8ed0>] usb_generic_driver_probe+0x8c/0xc0 [<00000000fdf4c98d>] usb_probe_device+0x5c/0x140 [<000000001faa255f>] really_probe+0x159/0x4a0 [<00000000f0df1d4d>] driver_probe_device+0x84/0x100