[ 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 syzkaller login: [ 30.335917][ T8261] sshd (8261) used greatest stack depth: 11184 bytes left Warning: Permanently added '10.128.0.178' (ECDSA) to the list of known hosts. executing program [ 127.339012][ T3704] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 127.628996][ T3704] usb 1-1: Using ep0 maxpacket: 8 [ 127.789015][ T3704] usb 1-1: New USB device found, idVendor=06be, idProduct=d001, bcdDevice= 8.c8 [ 127.798069][ T3704] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 127.806865][ T3704] usb 1-1: config 0 descriptor?? [ 127.859657][ T3704] gspca_main: nw80x-2.14.0 probing 06be:d001 [ 128.068951][ T3704] gspca_nw80x: reg_w err -71 [ 128.073585][ T3704] nw80x: probe of 1-1:0.0 failed with error -71 [ 128.080907][ T3704] usb 1-1: USB disconnect, device number 2 executing program [ 133.598688][ T8465] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 133.838676][ T8465] usb 1-1: Using ep0 maxpacket: 8 [ 133.958795][ T8465] usb 1-1: New USB device found, idVendor=06be, idProduct=d001, bcdDevice= 8.c8 [ 133.967832][ T8465] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 133.976758][ T8465] usb 1-1: config 0 descriptor?? [ 134.019356][ T8465] gspca_main: nw80x-2.14.0 probing 06be:d001 [ 134.238669][ T8465] gspca_nw80x: reg_w err -71 [ 134.243299][ T8465] nw80x: probe of 1-1:0.0 failed with error -71 [ 134.250728][ T8465] usb 1-1: USB disconnect, device number 3 executing program [ 139.758405][ T3704] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 140.008379][ T3704] usb 1-1: Using ep0 maxpacket: 8 [ 140.148404][ T3704] usb 1-1: New USB device found, idVendor=06be, idProduct=d001, bcdDevice= 8.c8 [ 140.157441][ T3704] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 140.166149][ T3704] usb 1-1: config 0 descriptor?? [ 140.219005][ T3704] gspca_main: nw80x-2.14.0 probing 06be:d001 [ 140.428420][ T3704] gspca_nw80x: reg_w err -71 [ 140.433232][ T3704] nw80x: probe of 1-1:0.0 failed with error -71 [ 140.440419][ T3704] usb 1-1: USB disconnect, device number 4 executing program [ 145.958156][ T8465] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 146.198134][ T8465] usb 1-1: Using ep0 maxpacket: 8 [ 146.318172][ T8465] usb 1-1: New USB device found, idVendor=06be, idProduct=d001, bcdDevice= 8.c8 [ 146.327209][ T8465] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 146.336069][ T8465] usb 1-1: config 0 descriptor?? [ 146.379893][ T8465] gspca_main: nw80x-2.14.0 probing 06be:d001 [ 146.598128][ T8465] gspca_nw80x: reg_w err -71 [ 146.602760][ T8465] nw80x: probe of 1-1:0.0 failed with error -71 [ 146.610148][ T8465] usb 1-1: USB disconnect, device number 5 executing program [ 152.117926][ T3704] usb 1-1: new high-speed USB device number 6 using dummy_hcd [ 152.357891][ T3704] usb 1-1: Using ep0 maxpacket: 8 [ 152.477969][ T3704] usb 1-1: New USB device found, idVendor=06be, idProduct=d001, bcdDevice= 8.c8 [ 152.477978][ T3704] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 152.478523][ T3704] usb 1-1: config 0 descriptor?? [ 152.538571][ T3704] gspca_main: nw80x-2.14.0 probing 06be:d001 [ 152.747874][ T3704] gspca_nw80x: reg_w err -71 [ 152.752510][ T3704] nw80x: probe of 1-1:0.0 failed with error -71 [ 152.759517][ T3704] usb 1-1: USB disconnect, device number 6 executing program [ 158.267689][ T8465] usb 1-1: new high-speed USB device number 7 using dummy_hcd [ 158.507687][ T8465] usb 1-1: Using ep0 maxpacket: 8 [ 158.627719][ T8465] usb 1-1: New USB device found, idVendor=06be, idProduct=d001, bcdDevice= 8.c8 [ 158.636792][ T8465] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 158.645507][ T8465] usb 1-1: config 0 descriptor?? [ 158.688331][ T8465] gspca_main: nw80x-2.14.0 probing 06be:d001 [ 158.907712][ T8465] gspca_nw80x: reg_w err -71 [ 158.912324][ T8465] nw80x: probe of 1-1:0.0 failed with error -71 [ 158.928103][ T8465] usb 1-1: USB disconnect, device number 7 [ 164.065927][ T8505] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810f5b1400 (size 1024): comm "kworker/0:2", pid 3704, jiffies 4294952523 (age 13.790s) hex dump (first 32 bytes): 88 03 5a 01 81 88 ff ff 88 03 5a 01 81 88 ff ff ..Z.......Z..... 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000002efb5c61>] usb_set_configuration+0x18c/0xb90 [<000000009b09b756>] usb_generic_driver_probe+0x8c/0xc0 [<000000007dfba68a>] usb_probe_device+0x5c/0x140 [<00000000de587e39>] really_probe+0x159/0x480 [<00000000a5fd9795>] driver_probe_device+0x84/0x100 [<000000004744b553>] __device_attach_driver+0xee/0x110 [<00000000b49b44cf>] bus_for_each_drv+0xb7/0x100 [<0000000048fdc075>] __device_attach+0x122/0x250 [<00000000b8101b42>] bus_probe_device+0xc6/0xe0 [<000000002bfc53b4>] device_add+0x5ac/0xc30 [<00000000ba814907>] usb_new_device.cold+0x166/0x578 [<000000005ca698f4>] hub_event+0x144a/0x20d0 [<00000000df0a77d3>] process_one_work+0x27d/0x590 [<00000000e90e4f08>] worker_thread+0x59/0x5d0 [<000000003f377994>] kthread+0x178/0x1b0 [<000000008db7f9f5>] ret_from_fork+0x1f/0x30 BUG: memory leak unreferenced object 0xffff88810ec548e0 (size 32): comm "kworker/0:2", pid 3704, jiffies 4294952523 (age 13.790s) hex dump (first 32 bytes): 31 2d 31 3a 30 2e 30 00 00 00 00 00 00 00 00 00 1-1:0.0......... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000004240fcd1>] kvasprintf+0x6c/0xf0 [<00000000b99f70a4>] kvasprintf_const+0x58/0x110 [<000000005c9221e6>] kobject_set_name_vargs+0x3b/0xe0 [<000000003749d558>] dev_set_name+0x63/0x90 [<00000000d37d8e53>] usb_set_configuration+0x6be/0xb90 [<000000009b09b756>] usb_generic_driver_probe+0x8c/0xc0 [<000000007dfba68a>] usb_probe_device+0x5c/0x140 [<00000000de587e39>] really_probe+0x159/0x480 [<00000000a5fd9795>] driver_probe_device+0x84/0x100 [<000000004744b553>] __device_attach_driver+0xee/0x110 [<00000000b49b44cf>] bus_for_each_drv+0xb7/0x100 [<0000000048fdc075>] __device_attach+0x122/0x250 [<00000000b8101b42>] bus_probe_device+0xc6/0xe0 [<000000002bfc53b4>] device_add+0x5ac/0xc30 [<00000000ba814907>] usb_new_device.cold+0x166/0x578 [<000000005ca698f4>] hub_event+0x144a/0x20d0 BUG: memory leak unreferenced object 0xffff888110834a00 (size 256): comm "kworker/0:2", pid 3704, jiffies 4294952527 (age 13.750s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 08 4a 83 10 81 88 ff ff .........J...... 08 4a 83 10 81 88 ff ff 10 8b 58 82 ff ff ff ff .J........X..... backtrace: [<00000000af7f60ce>] device_add+0x7e8/0xc30 [<000000002da88bb9>] usb_set_configuration+0x9de/0xb90 [<000000009b09b756>] usb_generic_driver_probe+0x8c/0xc0 [<000000007dfba68a>] usb_probe_device+0x5c/0x140 [<00000000de587e39>] really_probe+0x159/0x480 [<00000000a5fd9795>] driver_probe_device+0x84/0x100 [<000000004744b553>] __device_attach_driver+0xee/0x110 [<00000000b49b44cf>] bus_for_each_drv+0xb7/0x100 [<0000000048fdc075>] __device_attach+0x122/0x250 [<00000000b8101b42>] bus_probe_device+0xc6/0xe0 [<000000002bfc53b4>] device_add+0x5ac/0xc30 [<00000000ba814907>] usb_new_device.cold+0x166/0x578 [<000000005ca698f4>] hub_event+0x144a/0x20d0 [<00000000df0a77d3>] process_one_work+0x27d/0x590 [<00000000e90e4f08>] worker_thread+0x59/0x5d0 [<000000003f377994>] kthread+0x178/0x1b0