[ 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 '10.128.10.13' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 52.030719][ T4592] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 52.220640][ T4592] usb 1-1: device descriptor read/64, error 18 [ 52.490621][ T4592] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 52.680591][ T4592] usb 1-1: device descriptor read/64, error 18 [ 52.800646][ T4592] usb usb1-port1: attempt power cycle [ 53.510550][ T4592] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 53.690653][ T4592] usb 1-1: device descriptor read/8, error -61 [ 53.960464][ T4592] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 54.150506][ T4592] usb 1-1: device descriptor read/8, error -61 [ 54.270493][ T4592] usb usb1-port1: unable to enumerate USB device [ 61.767993][ T8463] kmemleak: 7 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881108d89c0 (size 32): comm "syz-executor158", pid 8464, jiffies 4294942448 (age 12.170s) 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: [<00000000154321de>] gadget_bind+0x223/0x340 [<00000000c0a1d1c1>] udc_bind_to_driver+0x62/0x150 [<000000007db20b33>] usb_gadget_probe_driver+0x1c7/0x230 [<000000009468a4a9>] raw_ioctl+0x5da/0xf30 [<00000000321a1b5b>] __x64_sys_ioctl+0xfc/0x140 [<00000000b486abf5>] do_syscall_64+0x2d/0x70 [<00000000c24d5cd8>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811086d300 (size 32): comm "softirq", pid 0, jiffies 4294942524 (age 11.410s) 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: [<00000000678219a9>] gadget_setup+0xf6/0x220 [<000000009efe48a2>] dummy_timer+0xb9f/0x14c0 [<00000000e1134bc1>] call_timer_fn+0x38/0x200 [<00000000559c498e>] __run_timers.part.0+0x319/0x400 [<00000000f67be23b>] run_timer_softirq+0x3d/0x80 [<000000007a4fd2fc>] __do_softirq+0xcc/0x2c2 [<000000004ed386c8>] asm_call_irq_on_stack+0xf/0x20 [<000000003301e6b1>] do_softirq_own_stack+0x32/0x40 [<000000006b9ce456>] irq_exit_rcu+0x91/0xc0 [<000000006049a0ca>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000053940a4d>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000099ea39e0>] acpi_idle_do_entry+0xc3/0xd0 [<00000000b9f39a05>] acpi_idle_enter+0x128/0x1f0 [<00000000b980cf35>] cpuidle_enter_state+0xc9/0x650 [<000000005c4d2088>] cpuidle_enter+0x29/0x40 [<0000000046ab34c4>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88811086d520 (size 32): comm "softirq", pid 0, jiffies 4294942632 (age 10.330s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 01 00 00 08 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000678219a9>] gadget_setup+0xf6/0x220 [<000000009efe48a2>] dummy_timer+0xb9f/0x14c0 [<00000000e1134bc1>] call_timer_fn+0x38/0x200 [<00000000559c498e>] __run_timers.part.0+0x319/0x400 [<00000000f67be23b>] run_timer_softirq+0x3d/0x80 [<000000007a4fd2fc>] __do_softirq+0xcc/0x2c2 [<000000004ed386c8>] asm_call_irq_on_stack+0xf/0x20 [<000000003301e6b1>] do_softirq_own_stack+0x32/0x40 [<000000006b9ce456>] irq_exit_rcu+0x91/0xc0 [<000000006049a0ca>] sysvec_apic_timer_interrupt+0x36/0x80 [<0000000053940a4d>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000099ea39e0>] acpi_idle_do_entry+0xc3/0xd0 [<00000000b9f39a05>] acpi_idle_enter+0x128/0x1f0 [<00000000b980cf35>] cpuidle_enter_state+0xc9/0x650 [<000000005c4d2088>] cpuidle_enter+0x29/0x40 [<0000000046ab34c4>] do_idle+0x1c8/0x250