[ 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 '10.128.10.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 57.941523][ T8328] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 58.131463][ T8328] usb 1-1: device descriptor read/64, error 18 [ 58.401434][ T8328] usb 1-1: new high-speed USB device number 3 using dummy_hcd [ 58.591416][ T8328] usb 1-1: device descriptor read/64, error 18 [ 58.711495][ T8328] usb usb1-port1: attempt power cycle [ 59.421364][ T8328] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 59.591423][ T8328] usb 1-1: device descriptor read/8, error -61 [ 59.871344][ T8328] usb 1-1: new high-speed USB device number 5 using dummy_hcd [ 60.041382][ T8328] usb 1-1: device descriptor read/8, error -61 [ 60.161350][ T8328] usb usb1-port1: unable to enumerate USB device [ 68.605240][ T8499] kmemleak: 4 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810af922e0 (size 32): comm "syz-executor871", pid 8500, jiffies 4294943040 (age 13.060s) 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: [<00000000f50dd382>] gadget_bind+0x223/0x340 [<000000005b7cd138>] udc_bind_to_driver+0x62/0x150 [<000000005b005f21>] usb_gadget_probe_driver+0x1c7/0x230 [<00000000ba0d2fc4>] raw_ioctl+0x5da/0xf30 [<00000000d88558e7>] __x64_sys_ioctl+0xfc/0x140 [<00000000c0a47059>] do_syscall_64+0x2d/0x70 [<00000000bf0c422e>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88811060b5e0 (size 32): comm "softirq", pid 0, jiffies 4294943116 (age 12.300s) 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: [<00000000ba27b91a>] gadget_setup+0xf6/0x220 [<00000000156d21fb>] dummy_timer+0xb9f/0x14c0 [<000000004bc99b52>] call_timer_fn+0x38/0x200 [<000000006f0115ef>] __run_timers.part.0+0x319/0x400 [<00000000db676cfb>] run_timer_softirq+0x3d/0x80 [<000000004c1d5318>] __do_softirq+0xcc/0x2c2 [<00000000279d45d2>] asm_call_irq_on_stack+0xf/0x20 [<0000000088cc594f>] do_softirq_own_stack+0x32/0x40 [<00000000461bf233>] irq_exit_rcu+0x91/0xc0 [<000000007304d647>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000b5b77616>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000c31605c3>] acpi_idle_do_entry+0xc3/0xd0 [<0000000047196dae>] acpi_idle_enter+0x128/0x1f0 [<00000000296f7a93>] cpuidle_enter_state+0xc9/0x650 [<0000000006b04a37>] cpuidle_enter+0x29/0x40 [<00000000716245fe>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff8881095d7ea0 (size 32): comm "softirq", pid 0, jiffies 4294943227 (age 11.190s) 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: [<00000000ba27b91a>] gadget_setup+0xf6/0x220 [<00000000156d21fb>] dummy_timer+0xb9f/0x14c0 [<000000004bc99b52>] call_timer_fn+0x38/0x200 [<000000006f0115ef>] __run_timers.part.0+0x319/0x400 [<00000000db676cfb>] run_timer_softirq+0x3d/0x80 [<000000004c1d5318>] __do_softirq+0xcc/0x2c2 [<00000000279d45d2>] asm_call_irq_on_stack+0xf/0x20 [<0000000088cc594f>] do_softirq_own_stack+0x32/0x40 [<00000000461bf233>] irq_exit_rcu+0x91/0xc0 [<000000007304d647>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000b5b77616>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<00000000c31605c3>] acpi_idle_do_entry+0xc3/0xd0 [<0000000047196dae>] acpi_idle_enter+0x128/0x1f0 [<00000000296f7a93>] cpuidle_enter_state+0xc9/0x650 [<0000000006b04a37>] cpuidle_enter+0x29/0x40 [<00000000716245fe>] do_idle+0x1c8/0x250