[ 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 '10.128.15.195' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.741187][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 53.001155][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 53.121341][ T7] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 53.131259][ T7] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 53.141781][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 53.150430][ T7] usb 1-1: config 0 descriptor?? [ 53.171480][ T8438] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 53.192766][ T7] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 53.199770][ T7] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 53.213408][ T7] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 53.219422][ T7] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 53.226541][ T7] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 53.413726][ T7] usb 1-1: USB disconnect, device number 2 [ 53.420420][ T7] mcba_usb 1-1:0.0 can0: device disconnected executing program [ 58.940354][ T7] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 59.190302][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 59.350437][ T7] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 59.364868][ T7] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 59.378951][ T7] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 59.393208][ T7] usb 1-1: config 0 descriptor?? [ 59.410467][ T8469] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 59.432533][ T7] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 59.439189][ T7] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 59.446772][ T7] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 59.456582][ T7] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 59.467344][ T7] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 59.647030][ T7] usb 1-1: USB disconnect, device number 3 [ 59.660346][ T7] mcba_usb 1-1:0.0 can0: device disconnected [ 60.669911][ T8437] kmemleak: 18 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 66.658645][ T8437] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888110ffa2c0 (size 64): comm "kworker/0:1", pid 7, jiffies 4294942582 (age 13.530s) 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: [<00000000379eabee>] hcd_buffer_alloc+0x149/0x190 [<00000000e0261049>] usb_alloc_coherent+0x42/0x60 [<0000000013246449>] mcba_usb_probe+0x27b/0x430 [<000000009b71b1ab>] usb_probe_interface+0x177/0x370 [<000000001ea62d17>] really_probe+0x159/0x4a0 [<000000000a8b17bf>] driver_probe_device+0x84/0x100 [<0000000061b19e01>] __device_attach_driver+0xee/0x110 [<000000006e077b6c>] bus_for_each_drv+0xb7/0x100 [<000000003844d012>] __device_attach+0x122/0x250 [<00000000a741feaa>] bus_probe_device+0xc6/0xe0 [<000000002070aaa3>] device_add+0x5be/0xc30 [<0000000035acc240>] usb_set_configuration+0x9d9/0xb90 [<000000005edf6e6e>] usb_generic_driver_probe+0x8c/0xc0 [<00000000810ba063>] usb_probe_device+0x5c/0x140 [<000000001ea62d17>] really_probe+0x159/0x4a0 [<000000000a8b17bf>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff888110c9c040 (size 64): comm "kworker/0:1", pid 7, jiffies 4294942582 (age 13.530s) 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: [<00000000379eabee>] hcd_buffer_alloc+0x149/0x190 [<00000000e0261049>] usb_alloc_coherent+0x42/0x60 [<0000000013246449>] mcba_usb_probe+0x27b/0x430 [<000000009b71b1ab>] usb_probe_interface+0x177/0x370 [<000000001ea62d17>] really_probe+0x159/0x4a0 [<000000000a8b17bf>] driver_probe_device+0x84/0x100 [<0000000061b19e01>] __device_attach_driver+0xee/0x110 [<000000006e077b6c>] bus_for_each_drv+0xb7/0x100 [<000000003844d012>] __device_attach+0x122/0x250 [<00000000a741feaa>] bus_probe_device+0xc6/0xe0 [<000000002070aaa3>] device_add+0x5be/0xc30 [<0000000035acc240>] usb_set_configuration+0x9d9/0xb90 [<000000005edf6e6e>] usb_generic_driver_probe+0x8c/0xc0 [<00000000810ba063>] usb_probe_device+0x5c/0x140 [<000000001ea62d17>] really_probe+0x159/0x4a0 [<000000000a8b17bf>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff888110c9c080 (size 64): comm "kworker/0:1", pid 7, jiffies 4294942582 (age 13.530s) 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: [<00000000379eabee>] hcd_buffer_alloc+0x149/0x190 [<00000000e0261049>] usb_alloc_coherent+0x42/0x60 [<0000000013246449>] mcba_usb_probe+0x27b/0x430 [<000000009b71b1ab>] usb_probe_interface+0x177/0x370 [<000000001ea62d17>] really_probe+0x159/0x4a0 [<000000000a8b17bf>] driver_probe_device+0x84/0x100 [<0000000061b19e01>] __device_attach_driver+0xee/0x110 [<000000006e077b6c>] bus_for_each_drv+0xb7/0x100 [<000000003844d012>] __device_attach+0x122/0x250 [<00000000a741feaa>] bus_probe_device+0xc6/0xe0 [<000000002070aaa3>] device_add+0x5be/0xc30 [<0000000035acc240>] usb_set_configuration+0x9d9/0xb90 [<000000005edf6e6e>] usb_generic_driver_probe+0x8c/0xc0 [<00000000810ba063>] usb_probe_device+0x5c/0x140 [<000000001ea62d17>] really_probe+0x159/0x4a0 [<000000000a8b17bf>] driver_probe_device+0x84/0x100