[ 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 '10.128.0.16' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.178305][ T8130] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 48.418296][ T8130] usb 1-1: Using ep0 maxpacket: 16 [ 48.538321][ T8130] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 48.548159][ T8130] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 48.557438][ T8130] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 48.566004][ T8130] usb 1-1: config 0 descriptor?? [ 48.588541][ T8431] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 48.609449][ T8130] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 48.615184][ T8130] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 48.627197][ T8130] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 48.634441][ T8130] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 48.642190][ T8130] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 48.827467][ T8130] usb 1-1: USB disconnect, device number 2 [ 48.833434][ T8130] mcba_usb 1-1:0.0 can0: device disconnected [ 54.712943][ T8430] kmemleak: 13 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810f01a9c0 (size 64): comm "kworker/0:3", pid 8130, jiffies 4294942131 (age 8.190s) 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: [<0000000019826b83>] hcd_buffer_alloc+0x149/0x190 [<00000000ff53e85b>] usb_alloc_coherent+0x42/0x60 [<00000000d945fdec>] mcba_usb_probe+0x27b/0x430 [<00000000b5a0c811>] usb_probe_interface+0x177/0x370 [<000000003629a25e>] really_probe+0x159/0x4a0 [<0000000013cb5b0a>] driver_probe_device+0x84/0x100 [<00000000a61e26e2>] __device_attach_driver+0xee/0x110 [<000000004b4d28fd>] bus_for_each_drv+0xb7/0x100 [<00000000a55acd88>] __device_attach+0x122/0x250 [<0000000035cb3f4b>] bus_probe_device+0xc6/0xe0 [<00000000a0f7f6c1>] device_add+0x5be/0xc30 [<00000000f73e6a3f>] usb_set_configuration+0x9d9/0xb90 [<0000000048ea2f7e>] usb_generic_driver_probe+0x8c/0xc0 [<00000000664ceb1c>] usb_probe_device+0x5c/0x140 [<000000003629a25e>] really_probe+0x159/0x4a0 [<0000000013cb5b0a>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff88810f01aa00 (size 64): comm "kworker/0:3", pid 8130, jiffies 4294942131 (age 8.190s) 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: [<0000000019826b83>] hcd_buffer_alloc+0x149/0x190 [<00000000ff53e85b>] usb_alloc_coherent+0x42/0x60 [<00000000d945fdec>] mcba_usb_probe+0x27b/0x430 [<00000000b5a0c811>] usb_probe_interface+0x177/0x370 [<000000003629a25e>] really_probe+0x159/0x4a0 [<0000000013cb5b0a>] driver_probe_device+0x84/0x100 [<00000000a61e26e2>] __device_attach_driver+0xee/0x110 [<000000004b4d28fd>] bus_for_each_drv+0xb7/0x100 [<00000000a55acd88>] __device_attach+0x122/0x250 [<0000000035cb3f4b>] bus_probe_device+0xc6/0xe0 [<00000000a0f7f6c1>] device_add+0x5be/0xc30 [<00000000f73e6a3f>] usb_set_configuration+0x9d9/0xb90 [<0000000048ea2f7e>] usb_generic_driver_probe+0x8c/0xc0 [<00000000664ceb1c>] usb_probe_device+0x5c/0x140 [<000000003629a25e>] really_probe+0x159/0x4a0 [<0000000013cb5b0a>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff88810f01aa40 (size 64): comm "kworker/0:3", pid 8130, jiffies 4294942131 (age 8.190s) 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: [<0000000019826b83>] hcd_buffer_alloc+0x149/0x190 [<00000000ff53e85b>] usb_alloc_coherent+0x42/0x60 [<00000000d945fdec>] mcba_usb_probe+0x27b/0x430 [<00000000b5a0c811>] usb_probe_interface+0x177/0x370 [<000000003629a25e>] really_probe+0x159/0x4a0 [<0000000013cb5b0a>] driver_probe_device+0x84/0x100 [<00000000a61e26e2>] __device_attach_driver+0xee/0x110 [<000000004b4d28fd>] bus_for_each_drv+0xb7/0x100 [<00000000a55acd88>] __device_attach+0x122/0x250 [<0000000035cb3f4b>] bus_probe_device+0xc6/0xe0 [<00000000a0f7f6c1>] device_add+0x5be/0xc30 [<00000000f73e6a3f>] usb_set_configuration+0x9d9/0xb90 [<0000000048ea2f7e>] usb_generic_driver_probe+0x8c/0xc0 [<00000000664ceb1c>] usb_probe_device+0x5c/0x140 [<000000003629a25e>] really_probe+0x159/0x4a0 [<0000000013cb5b0a>] driver_probe_device+0x84/0x100