[ 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 '10.128.0.55' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 56.288280][ T8146] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 56.478204][ T8146] usb 1-1: device descriptor read/64, error 18 [ 56.748191][ T8146] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 56.938193][ T8146] usb 1-1: device descriptor read/64, error 18 [ 57.058225][ T8146] usb usb1-port1: attempt power cycle [ 57.768099][ T8146] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 57.938095][ T8146] usb 1-1: device descriptor read/8, error -61 [ 58.208053][ T8146] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 58.378078][ T8146] usb 1-1: device descriptor read/8, error -61 [ 58.498096][ T8146] usb usb1-port1: unable to enumerate USB device [ 66.969263][ T8480] kmemleak: 9 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810a4a28c0 (size 32): comm "syz-executor395", pid 8481, jiffies 4294942868 (age 13.080s) 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 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006b38bf54>] gadget_bind+0x223/0x340 [<00000000e39495fa>] udc_bind_to_driver+0x62/0x150 [<00000000658e5fd8>] usb_gadget_probe_driver+0x1c7/0x230 [<00000000aed6a697>] raw_ioctl+0x5da/0xf30 [<0000000094c0e9b3>] __x64_sys_ioctl+0xfc/0x140 [<00000000f3130688>] do_syscall_64+0x2d/0x70 [<000000005d6151cd>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811198c7e0 (size 32): comm "softirq", pid 0, jiffies 4294942897 (age 12.790s) 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: [<0000000031d08639>] gadget_setup+0xf6/0x220 [<00000000ebcff84d>] dummy_timer+0xb9f/0x14c0 [<0000000098c6322a>] call_timer_fn+0x38/0x200 [<00000000bad93ba8>] __run_timers.part.0+0x319/0x400 [<0000000069067674>] run_timer_softirq+0x3d/0x80 [<000000007319773e>] __do_softirq+0xcc/0x2c2 [<0000000024a8278d>] asm_call_irq_on_stack+0xf/0x20 [<0000000062a85c1a>] do_softirq_own_stack+0x32/0x40 [<000000007f7f5c6c>] irq_exit_rcu+0x91/0xc0 [<000000006675008d>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000044cf4d29>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000049efe2f7>] acpi_idle_do_entry+0xc3/0xd0 [<00000000b535631f>] acpi_idle_enter+0x128/0x1f0 [<00000000e30a48b2>] cpuidle_enter_state+0xc9/0x650 [<00000000dd029a9d>] cpuidle_enter+0x29/0x40 [<000000008d97f18c>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88811198ca00 (size 32): comm "softirq", pid 0, jiffies 4294942943 (age 12.330s) 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: [<0000000031d08639>] gadget_setup+0xf6/0x220 [<00000000ebcff84d>] dummy_timer+0xb9f/0x14c0 [<0000000098c6322a>] call_timer_fn+0x38/0x200 [<00000000bad93ba8>] __run_timers.part.0+0x319/0x400 [<0000000069067674>] run_timer_softirq+0x3d/0x80 [<000000007319773e>] __do_softirq+0xcc/0x2c2 [<0000000024a8278d>] asm_call_irq_on_stack+0xf/0x20 [<0000000062a85c1a>] do_softirq_own_stack+0x32/0x40 [<000000007f7f5c6c>] irq_exit_rcu+0x91/0xc0 [<000000006675008d>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000044cf4d29>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000049efe2f7>] acpi_idle_do_entry+0xc3/0xd0 [<00000000b535631f>] acpi_idle_enter+0x128/0x1f0 [<00000000e30a48b2>] cpuidle_enter_state+0xc9/0x650 [<00000000dd029a9d>] cpuidle_enter+0x29/0x40 [<000000008d97f18c>] do_idle+0x1c8/0x250