[ 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 '10.128.0.20' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.866866][ T4592] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 50.106808][ T4592] usb 1-1: Using ep0 maxpacket: 16 [ 50.226866][ T4592] usb 1-1: New USB device found, idVendor=04fc, idProduct=504b, bcdDevice=df.97 [ 50.235912][ T4592] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 50.244767][ T4592] usb 1-1: config 0 descriptor?? [ 50.287531][ T4592] gspca_main: sunplus-2.14.0 probing 04fc:504b [ 50.506740][ T4592] gspca_sunplus: reg_w_riv err -71 [ 50.511874][ T4592] sunplus: probe of 1-1:0.0 failed with error -71 [ 50.527159][ T4592] usb 1-1: USB disconnect, device number 2 executing program [ 55.965718][ T4592] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.205684][ T4592] usb 1-1: Using ep0 maxpacket: 16 [ 56.325768][ T4592] usb 1-1: New USB device found, idVendor=04fc, idProduct=504b, bcdDevice=df.97 [ 56.334832][ T4592] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 56.344744][ T4592] usb 1-1: config 0 descriptor?? [ 56.387605][ T4592] gspca_main: sunplus-2.14.0 probing 04fc:504b [ 56.605653][ T4592] gspca_sunplus: reg_w_riv err -71 [ 56.610812][ T4592] sunplus: probe of 1-1:0.0 failed with error -71 [ 56.618334][ T4592] usb 1-1: USB disconnect, device number 3 [ 57.677998][ T8453] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 61.718983][ T8453] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888110e3d780 (size 32): comm "softirq", pid 0, jiffies 4294942255 (age 14.030s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 01 00 00 40 00 ..............@. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000051258072>] gadget_setup+0xf6/0x220 [<000000004dbf06f5>] dummy_timer+0xb9f/0x14c0 [<00000000bfad5e17>] call_timer_fn+0x38/0x200 [<00000000b1ca6951>] __run_timers.part.0+0x319/0x400 [<00000000933da81f>] run_timer_softirq+0x3d/0x80 [<0000000099c2d0ab>] __do_softirq+0xcc/0x2c2 [<000000007387acee>] asm_call_irq_on_stack+0xf/0x20 [<000000004097663e>] do_softirq_own_stack+0x32/0x40 [<00000000f700532b>] irq_exit_rcu+0x91/0xc0 [<000000001227ec2c>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000054f8609a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000b8557f44>] acpi_idle_do_entry+0xc3/0xd0 [<0000000050d59871>] acpi_idle_enter+0x128/0x1f0 [<00000000f6d26efd>] cpuidle_enter_state+0xc9/0x650 [<00000000393a1164>] cpuidle_enter+0x29/0x40 [<00000000730ae78d>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110e3d7e0 (size 32): comm "softirq", pid 0, jiffies 4294942283 (age 13.750s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 02 00 00 09 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000051258072>] gadget_setup+0xf6/0x220 [<000000004dbf06f5>] dummy_timer+0xb9f/0x14c0 [<00000000bfad5e17>] call_timer_fn+0x38/0x200 [<00000000b1ca6951>] __run_timers.part.0+0x319/0x400 [<00000000933da81f>] run_timer_softirq+0x3d/0x80 [<0000000099c2d0ab>] __do_softirq+0xcc/0x2c2 [<000000007387acee>] asm_call_irq_on_stack+0xf/0x20 [<000000004097663e>] do_softirq_own_stack+0x32/0x40 [<00000000f700532b>] irq_exit_rcu+0x91/0xc0 [<000000001227ec2c>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000054f8609a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000b8557f44>] acpi_idle_do_entry+0xc3/0xd0 [<0000000050d59871>] acpi_idle_enter+0x128/0x1f0 [<00000000f6d26efd>] cpuidle_enter_state+0xc9/0x650 [<00000000393a1164>] cpuidle_enter+0x29/0x40 [<00000000730ae78d>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110e3d820 (size 32): comm "softirq", pid 0, jiffies 4294942287 (age 13.710s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 02 00 00 12 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<0000000051258072>] gadget_setup+0xf6/0x220 [<000000004dbf06f5>] dummy_timer+0xb9f/0x14c0 [<00000000bfad5e17>] call_timer_fn+0x38/0x200 [<00000000b1ca6951>] __run_timers.part.0+0x319/0x400 [<00000000933da81f>] run_timer_softirq+0x3d/0x80 [<0000000099c2d0ab>] __do_softirq+0xcc/0x2c2 [<000000007387acee>] asm_call_irq_on_stack+0xf/0x20 [<000000004097663e>] do_softirq_own_stack+0x32/0x40 [<00000000f700532b>] irq_exit_rcu+0x91/0xc0 [<000000001227ec2c>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000054f8609a>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000b8557f44>] acpi_idle_do_entry+0xc3/0xd0 [<0000000050d59871>] acpi_idle_enter+0x128/0x1f0 [<00000000f6d26efd>] cpuidle_enter_state+0xc9/0x650 [<00000000393a1164>] cpuidle_enter+0x29/0x40 [<00000000730ae78d>] do_idle+0x1c8/0x250 [ 63.851124][ T8453] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak)