[ 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 '10.128.0.182' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 104.456935][ T17] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 104.836928][ T17] usb 1-1: New USB device found, idVendor=17e9, idProduct=8226, bcdDevice=81.18 [ 104.846033][ T17] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 104.854831][ T17] usb 1-1: config 0 descriptor?? [ 105.156888][ T17] udlfb 1-1:0.0: vendor descriptor not available (-71) [ 105.176888][ T17] usb 1-1: Read EDID byte 0 failed: -71 [ 105.196913][ T17] usb 1-1: Read EDID byte 0 failed: -71 [ 105.216888][ T17] usb 1-1: Read EDID byte 0 failed: -71 [ 105.216897][ T17] usb 1-1: Unable to get valid EDID from device/display [ 105.237680][ T17] usb 1-1: submit urb error: -2 [ 105.243126][ T17] udlfb: probe of 1-1:0.0 failed with error -2 [ 105.306959][ T17] [drm] vendor descriptor length:b9 data:00 00 00 00 00 00 00 00 00 00 00 [ 105.315582][ T17] [drm:udl_init.cold] *ERROR* Unrecognized vendor firmware descriptor [ 105.337124][ T17] [drm:udl_init] *ERROR* Selecting channel failed [ 105.350074][ T17] [drm] Initialized udl 0.0.1 20120220 for 1-1:0.0 on minor 2 [ 105.366816][ T17] [drm] Initialized udl on minor 2 [ 105.386845][ T17] [drm:udl_get_edid_block] *ERROR* Read EDID byte 0 failed err ffffffb9 [ 105.395285][ T17] udl 1-1:0.0: [drm] Cannot find any crtc or sizes [ 105.417789][ T17] usb 1-1: USB disconnect, device number 2 executing program [ 110.606382][ T5] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 110.966449][ T5] usb 1-1: New USB device found, idVendor=17e9, idProduct=8226, bcdDevice=81.18 [ 110.975469][ T5] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 110.984341][ T5] usb 1-1: config 0 descriptor?? [ 111.326352][ T5] udlfb 1-1:0.0: vendor descriptor not available (-71) [ 111.346377][ T5] usb 1-1: Read EDID byte 0 failed: -71 [ 111.366367][ T5] usb 1-1: Read EDID byte 0 failed: -71 [ 111.386370][ T5] usb 1-1: Read EDID byte 0 failed: -71 [ 111.391936][ T5] usb 1-1: Unable to get valid EDID from device/display [ 111.417196][ T5] usb 1-1: submit urb error: -2 [ 111.422871][ T5] udlfb: probe of 1-1:0.0 failed with error -2 [ 111.496386][ T5] [drm] vendor descriptor length:b9 data:00 00 00 00 00 00 00 00 00 00 00 [ 111.504901][ T5] [drm:udl_init.cold] *ERROR* Unrecognized vendor firmware descriptor [ 111.526398][ T5] [drm:udl_init] *ERROR* Selecting channel failed [ 111.540881][ T5] [drm] Initialized udl 0.0.1 20120220 for 1-1:0.0 on minor 2 [ 111.556283][ T5] [drm] Initialized udl on minor 2 [ 111.576321][ T5] [drm:udl_get_edid_block] *ERROR* Read EDID byte 0 failed err ffffffb9 [ 111.584749][ T5] udl 1-1:0.0: [drm] Cannot find any crtc or sizes [ 111.607341][ T5] usb 1-1: USB disconnect, device number 3 executing program [ 116.765930][ T17] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 117.125964][ T17] usb 1-1: New USB device found, idVendor=17e9, idProduct=8226, bcdDevice=81.18 [ 117.134983][ T17] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 117.144834][ T17] usb 1-1: config 0 descriptor?? [ 117.455901][ T17] udlfb 1-1:0.0: vendor descriptor not available (-71) [ 117.475901][ T17] usb 1-1: Read EDID byte 0 failed: -71 [ 117.496037][ T17] usb 1-1: Read EDID byte 0 failed: -71 [ 117.515908][ T17] usb 1-1: Read EDID byte 0 failed: -71 [ 117.521610][ T17] usb 1-1: Unable to get valid EDID from device/display [ 117.547782][ T17] usb 1-1: submit urb error: -2 [ 117.553230][ T17] udlfb: probe of 1-1:0.0 failed with error -2 [ 117.625912][ T17] [drm] vendor descriptor length:b9 data:00 00 00 00 00 00 00 00 00 00 00 [ 117.634449][ T17] [drm:udl_init.cold] *ERROR* Unrecognized vendor firmware descriptor [ 117.655912][ T17] [drm:udl_init] *ERROR* Selecting channel failed [ 117.667807][ T17] [drm] Initialized udl 0.0.1 20120220 for 1-1:0.0 on minor 2 [ 117.675270][ T17] [drm] Initialized udl on minor 2 [ 117.715863][ T17] [drm:udl_get_edid_block] *ERROR* Read EDID byte 0 failed err ffffffb9 [ 117.724303][ T17] udl 1-1:0.0: [drm] Cannot find any crtc or sizes [ 117.746552][ T17] usb 1-1: USB disconnect, device number 4 [ 122.511702][ T8453] kmemleak: 8 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810adde100 (size 32): comm "kworker/1:0", pid 17, jiffies 4294947788 (age 19.520s) hex dump (first 32 bytes): 10 30 c3 0d 81 88 ff ff c0 fa 63 12 81 88 ff ff .0........c..... 00 30 c3 0d 81 88 ff ff 80 d1 3a 08 81 88 ff ff .0........:..... backtrace: [<0000000019512953>] dlfb_usb_probe.cold+0x289/0x988 [<0000000072160152>] usb_probe_interface+0x177/0x370 [<00000000a8d6726f>] really_probe+0x159/0x480 [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 [<00000000e942e01c>] __device_attach_driver+0xee/0x110 [<00000000de0a5a5c>] bus_for_each_drv+0xb7/0x100 [<00000000463fbcb4>] __device_attach+0x122/0x250 [<00000000b881a711>] bus_probe_device+0xc6/0xe0 [<00000000364bbda5>] device_add+0x5ac/0xc30 [<00000000eecca418>] usb_set_configuration+0x9de/0xb90 [<00000000edfeca2d>] usb_generic_driver_probe+0x8c/0xc0 [<000000001830872b>] usb_probe_device+0x5c/0x140 [<00000000a8d6726f>] really_probe+0x159/0x480 [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 [<00000000e942e01c>] __device_attach_driver+0xee/0x110 [<00000000de0a5a5c>] bus_for_each_drv+0xb7/0x100 BUG: memory leak unreferenced object 0xffff8881083ad180 (size 192): comm "kworker/1:0", pid 17, jiffies 4294947788 (age 19.520s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 98 d1 3a 08 81 88 ff ff ..........:..... backtrace: [<00000000a7783a78>] usb_alloc_urb+0x66/0xe0 [<0000000082822843>] dlfb_usb_probe.cold+0x2aa/0x988 [<0000000072160152>] usb_probe_interface+0x177/0x370 [<00000000a8d6726f>] really_probe+0x159/0x480 [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 [<00000000e942e01c>] __device_attach_driver+0xee/0x110 [<00000000de0a5a5c>] bus_for_each_drv+0xb7/0x100 [<00000000463fbcb4>] __device_attach+0x122/0x250 [<00000000b881a711>] bus_probe_device+0xc6/0xe0 [<00000000364bbda5>] device_add+0x5ac/0xc30 [<00000000eecca418>] usb_set_configuration+0x9de/0xb90 [<00000000edfeca2d>] usb_generic_driver_probe+0x8c/0xc0 [<000000001830872b>] usb_probe_device+0x5c/0x140 [<00000000a8d6726f>] really_probe+0x159/0x480 [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 [<00000000e942e01c>] __device_attach_driver+0xee/0x110 BUG: memory leak unreferenced object 0xffff88811263fb20 (size 32): comm "kworker/1:0", pid 17, jiffies 4294947788 (age 19.530s) hex dump (first 32 bytes): 00 fb 63 12 81 88 ff ff 10 30 c3 0d 81 88 ff ff ..c......0...... 00 30 c3 0d 81 88 ff ff c0 53 c8 0b 81 88 ff ff .0.......S...... backtrace: [<0000000019512953>] dlfb_usb_probe.cold+0x289/0x988 [<0000000072160152>] usb_probe_interface+0x177/0x370 [<00000000a8d6726f>] really_probe+0x159/0x480 [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 [<00000000e942e01c>] __device_attach_driver+0xee/0x110 [<00000000de0a5a5c>] bus_for_each_drv+0xb7/0x100 [<00000000463fbcb4>] __device_attach+0x122/0x250 [<00000000b881a711>] bus_probe_device+0xc6/0xe0 [<00000000364bbda5>] device_add+0x5ac/0xc30 [<00000000eecca418>] usb_set_configuration+0x9de/0xb90 [<00000000edfeca2d>] usb_generic_driver_probe+0x8c/0xc0 [<000000001830872b>] usb_probe_device+0x5c/0x140 [<00000000a8d6726f>] really_probe+0x159/0x480 [<00000000c3ce4b0e>] driver_probe_device+0x84/0x100 [<00000000e942e01c>] __device_attach_driver+0xee/0x110 [<00000000de0a5a5c>] bus_for_each_drv+0xb7/0x100