[ 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 '10.128.0.43' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.414588][ T3247] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 49.674570][ T3247] usb 1-1: Using ep0 maxpacket: 16 [ 49.794595][ T3247] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 49.806013][ T3247] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 49.815710][ T3247] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 49.825400][ T3247] usb 1-1: config 0 descriptor?? [ 49.844850][ T8424] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 49.868545][ T3247] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 49.874301][ T3247] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 49.888187][ T3247] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 49.894115][ T3247] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 49.903956][ T3247] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 50.065152][ T53] usb 1-1: USB disconnect, device number 2 [ 50.084636][ T53] mcba_usb 1-1:0.0 can0: device disconnected executing program [ 55.984328][ T3247] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.224291][ T3247] usb 1-1: Using ep0 maxpacket: 16 [ 56.354401][ T3247] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 56.364577][ T3247] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 56.373759][ T3247] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.383939][ T3247] usb 1-1: config 0 descriptor?? [ 56.414380][ T8454] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 56.437311][ T3247] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 56.443277][ T3247] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 56.453350][ T3247] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 56.460698][ T3247] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 56.468673][ T3247] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 56.634923][ T53] usb 1-1: USB disconnect, device number 3 [ 56.640881][ T53] mcba_usb 1-1:0.0 can0: device disconnected [ 57.714453][ T8423] kmemleak: 19 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 63.893915][ T8423] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810de09480 (size 64): comm "kworker/1:2", pid 3247, jiffies 4294942250 (age 14.090s) 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: [<00000000c858b753>] hcd_buffer_alloc+0x149/0x190 [<00000000262b7d1c>] usb_alloc_coherent+0x42/0x60 [<00000000e6583c66>] mcba_usb_probe+0x27b/0x430 [<00000000b85bf9ae>] usb_probe_interface+0x177/0x370 [<000000004e037ab1>] really_probe+0x159/0x4a0 [<000000003d9c85c0>] driver_probe_device+0x84/0x100 [<00000000bc38b720>] __device_attach_driver+0xee/0x110 [<0000000055786063>] bus_for_each_drv+0xb7/0x100 [<0000000082dfc4be>] __device_attach+0x122/0x250 [<00000000ac35ee04>] bus_probe_device+0xc6/0xe0 [<00000000e64baa6f>] device_add+0x5be/0xc30 [<000000002f1a0e1f>] usb_set_configuration+0x9d9/0xb90 [<000000006cf33f9b>] usb_generic_driver_probe+0x8c/0xc0 [<00000000def0f319>] usb_probe_device+0x5c/0x140 [<000000004e037ab1>] really_probe+0x159/0x4a0 [<000000003d9c85c0>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff88810ac8c780 (size 64): comm "kworker/1:2", pid 3247, jiffies 4294942250 (age 14.090s) 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: [<00000000c858b753>] hcd_buffer_alloc+0x149/0x190 [<00000000262b7d1c>] usb_alloc_coherent+0x42/0x60 [<00000000e6583c66>] mcba_usb_probe+0x27b/0x430 [<00000000b85bf9ae>] usb_probe_interface+0x177/0x370 [<000000004e037ab1>] really_probe+0x159/0x4a0 [<000000003d9c85c0>] driver_probe_device+0x84/0x100 [<00000000bc38b720>] __device_attach_driver+0xee/0x110 [<0000000055786063>] bus_for_each_drv+0xb7/0x100 [<0000000082dfc4be>] __device_attach+0x122/0x250 [<00000000ac35ee04>] bus_probe_device+0xc6/0xe0 [<00000000e64baa6f>] device_add+0x5be/0xc30 [<000000002f1a0e1f>] usb_set_configuration+0x9d9/0xb90 [<000000006cf33f9b>] usb_generic_driver_probe+0x8c/0xc0 [<00000000def0f319>] usb_probe_device+0x5c/0x140 [<000000004e037ab1>] really_probe+0x159/0x4a0 [<000000003d9c85c0>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff888111100600 (size 64): comm "kworker/1:2", pid 3247, jiffies 4294942250 (age 14.090s) 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: [<00000000c858b753>] hcd_buffer_alloc+0x149/0x190 [<00000000262b7d1c>] usb_alloc_coherent+0x42/0x60 [<00000000e6583c66>] mcba_usb_probe+0x27b/0x430 [<00000000b85bf9ae>] usb_probe_interface+0x177/0x370 [<000000004e037ab1>] really_probe+0x159/0x4a0 [<000000003d9c85c0>] driver_probe_device+0x84/0x100 [<00000000bc38b720>] __device_attach_driver+0xee/0x110 [<0000000055786063>] bus_for_each_drv+0xb7/0x100 [<0000000082dfc4be>] __device_attach+0x122/0x250 [<00000000ac35ee04>] bus_probe_device+0xc6/0xe0 [<00000000e64baa6f>] device_add+0x5be/0xc30 [<000000002f1a0e1f>] usb_set_configuration+0x9d9/0xb90 [<000000006cf33f9b>] usb_generic_driver_probe+0x8c/0xc0 [<00000000def0f319>] usb_probe_device+0x5c/0x140 [<000000004e037ab1>] really_probe+0x159/0x4a0 [<000000003d9c85c0>] driver_probe_device+0x84/0x100