[ 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 '10.128.1.15' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.794680][ T4579] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.034594][ T4579] usb 1-1: Using ep0 maxpacket: 16 [ 50.164637][ T4579] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 50.177763][ T4579] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 50.189739][ T4579] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.201596][ T4579] usb 1-1: config 0 descriptor?? [ 50.224931][ T8406] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 50.247675][ T4579] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 50.255988][ T4579] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 50.263772][ T4579] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 50.277233][ T4579] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 50.287336][ T4579] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 50.445668][ T7] usb 1-1: USB disconnect, device number 2 [ 50.453828][ T7] mcba_usb 1-1:0.0 can0: device disconnected executing program [ 56.062934][ T4579] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.312844][ T4579] usb 1-1: Using ep0 maxpacket: 16 [ 56.432890][ T4579] usb 1-1: config 0 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 32 [ 56.444474][ T4579] usb 1-1: New USB device found, idVendor=04d8, idProduct=0a30, bcdDevice=ac.31 [ 56.456987][ T4579] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.468700][ T4579] usb 1-1: config 0 descriptor?? [ 56.492870][ T8437] raw-gadget gadget: fail, usb_ep_enable returned -22 [ 56.515726][ T4579] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 56.522221][ T4579] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 56.530728][ T4579] mcba_usb 1-1:0.0 can0: failed tx_urb -2 [ 56.537413][ T4579] mcba_usb 1-1:0.0 can0: Failed to send cmd (169) [ 56.545634][ T4579] mcba_usb 1-1:0.0: Microchip CAN BUS Analyzer connected [ 56.715629][ T7] usb 1-1: USB disconnect, device number 3 [ 56.722912][ T7] mcba_usb 1-1:0.0 can0: device disconnected [ 57.823427][ T8404] kmemleak: 20 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 64.120540][ T8404] kmemleak: 18 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888112755040 (size 64): comm "kworker/1:2", pid 4579, jiffies 4294942288 (age 13.940s) 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: [<00000000aac6a694>] hcd_buffer_alloc+0x149/0x190 [<0000000040efdf0b>] usb_alloc_coherent+0x42/0x60 [<00000000516a1235>] mcba_usb_probe+0x27b/0x430 [<00000000739b7583>] usb_probe_interface+0x177/0x370 [<0000000009ea47f0>] really_probe+0x159/0x4a0 [<0000000068585e17>] driver_probe_device+0x84/0x100 [<000000002015622e>] __device_attach_driver+0xee/0x110 [<00000000a6fd5371>] bus_for_each_drv+0xb7/0x100 [<0000000046a9ac0d>] __device_attach+0x122/0x250 [<000000001d307383>] bus_probe_device+0xc6/0xe0 [<000000006e8c047a>] device_add+0x5be/0xc30 [<0000000085dc9133>] usb_set_configuration+0x9d9/0xb90 [<0000000063db4274>] usb_generic_driver_probe+0x8c/0xc0 [<0000000052b349e9>] usb_probe_device+0x5c/0x140 [<0000000009ea47f0>] really_probe+0x159/0x4a0 [<0000000068585e17>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff888112755080 (size 64): comm "kworker/1:2", pid 4579, jiffies 4294942288 (age 13.940s) 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: [<00000000aac6a694>] hcd_buffer_alloc+0x149/0x190 [<0000000040efdf0b>] usb_alloc_coherent+0x42/0x60 [<00000000516a1235>] mcba_usb_probe+0x27b/0x430 [<00000000739b7583>] usb_probe_interface+0x177/0x370 [<0000000009ea47f0>] really_probe+0x159/0x4a0 [<0000000068585e17>] driver_probe_device+0x84/0x100 [<000000002015622e>] __device_attach_driver+0xee/0x110 [<00000000a6fd5371>] bus_for_each_drv+0xb7/0x100 [<0000000046a9ac0d>] __device_attach+0x122/0x250 [<000000001d307383>] bus_probe_device+0xc6/0xe0 [<000000006e8c047a>] device_add+0x5be/0xc30 [<0000000085dc9133>] usb_set_configuration+0x9d9/0xb90 [<0000000063db4274>] usb_generic_driver_probe+0x8c/0xc0 [<0000000052b349e9>] usb_probe_device+0x5c/0x140 [<0000000009ea47f0>] really_probe+0x159/0x4a0 [<0000000068585e17>] driver_probe_device+0x84/0x100 BUG: memory leak unreferenced object 0xffff8881127550c0 (size 64): comm "kworker/1:2", pid 4579, jiffies 4294942288 (age 13.940s) 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: [<00000000aac6a694>] hcd_buffer_alloc+0x149/0x190 [<0000000040efdf0b>] usb_alloc_coherent+0x42/0x60 [<00000000516a1235>] mcba_usb_probe+0x27b/0x430 [<00000000739b7583>] usb_probe_interface+0x177/0x370 [<0000000009ea47f0>] really_probe+0x159/0x4a0 [<0000000068585e17>] driver_probe_device+0x84/0x100 [<000000002015622e>] __device_attach_driver+0xee/0x110 [<00000000a6fd5371>] bus_for_each_drv+0xb7/0x100 [<0000000046a9ac0d>] __device_attach+0x122/0x250 [<000000001d307383>] bus_probe_device+0xc6/0xe0 [<000000006e8c047a>] device_add+0x5be/0xc30 [<0000000085dc9133>] usb_set_configuration+0x9d9/0xb90 [<0000000063db4274>] usb_generic_driver_probe+0x8c/0xc0 [<0000000052b349e9>] usb_probe_device+0x5c/0x140 [<0000000009ea47f0>] really_probe+0x159/0x4a0 [<0000000068585e17>] driver_probe_device+0x84/0x100