[ 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 '10.128.0.211' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.102315][ T8497] usb 1-1: new full-speed USB device number 2 using dummy_hcd [ 54.482176][ T8497] usb 1-1: unable to get BOS descriptor or descriptor too short [ 54.602187][ T8497] usb 1-1: unable to read config index 0 descriptor/start: -71 [ 54.609770][ T8497] usb 1-1: can't read configurations, error -71 executing program [ 60.701442][ T8497] usb 1-1: new full-speed USB device number 4 using dummy_hcd [ 61.091414][ T8497] usb 1-1: unable to get BOS descriptor or descriptor too short [ 61.211452][ T8497] usb 1-1: unable to read config index 0 descriptor/start: -71 [ 61.219024][ T8497] usb 1-1: can't read configurations, error -71 [ 66.913172][ T8517] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810bc95920 (size 32): comm "syz-executor527", pid 8518, jiffies 4294942646 (age 15.160s) 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: [<00000000e238e6a1>] gadget_bind+0x223/0x340 [<000000003ed85a88>] udc_bind_to_driver+0x62/0x150 [<0000000069e95d02>] usb_gadget_probe_driver+0x1c7/0x230 [<0000000036afbe0d>] raw_ioctl+0x5da/0xf30 [<0000000015bcc7b3>] __x64_sys_ioctl+0xfc/0x140 [<00000000074246d1>] do_syscall_64+0x2d/0x70 [<000000000291c8fc>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810bc956a0 (size 32): comm "softirq", pid 0, jiffies 4294943336 (age 8.260s) 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: [<00000000fd8ac7ac>] gadget_setup+0xf6/0x220 [<00000000c4779e70>] dummy_timer+0xb9f/0x14c0 [<0000000086e35a68>] call_timer_fn+0x38/0x200 [<000000000cfc972e>] __run_timers.part.0+0x319/0x400 [<0000000000425ad5>] run_timer_softirq+0x3d/0x80 [<000000001272f6d4>] __do_softirq+0xcc/0x2c2 [<00000000be9210f3>] asm_call_irq_on_stack+0xf/0x20 [<000000009bdcca24>] do_softirq_own_stack+0x32/0x40 [<00000000e009bc52>] irq_exit_rcu+0x91/0xc0 [<00000000bf3d1f7e>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000005c9a685e>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<000000000f1dd7cd>] acpi_idle_do_entry+0xc3/0xd0 [<000000003ba03832>] acpi_idle_enter+0x128/0x1f0 [<00000000392e52cd>] cpuidle_enter_state+0xc9/0x650 [<00000000b365b459>] cpuidle_enter+0x29/0x40 [<000000002b6b1ca3>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff888110c38380 (size 32): comm "softirq", pid 0, jiffies 4294943361 (age 8.010s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 01 00 00 12 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000fd8ac7ac>] gadget_setup+0xf6/0x220 [<00000000c4779e70>] dummy_timer+0xb9f/0x14c0 [<0000000086e35a68>] call_timer_fn+0x38/0x200 [<000000000cfc972e>] __run_timers.part.0+0x319/0x400 [<0000000000425ad5>] run_timer_softirq+0x3d/0x80 [<000000001272f6d4>] __do_softirq+0xcc/0x2c2 [<00000000be9210f3>] asm_call_irq_on_stack+0xf/0x20 [<000000009bdcca24>] do_softirq_own_stack+0x32/0x40 [<00000000e009bc52>] irq_exit_rcu+0x91/0xc0 [<00000000bf3d1f7e>] sysvec_apic_timer_interrupt+0x36/0x80 [<000000005c9a685e>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<000000000f1dd7cd>] acpi_idle_do_entry+0xc3/0xd0 [<000000003ba03832>] acpi_idle_enter+0x128/0x1f0 [<00000000392e52cd>] cpuidle_enter_state+0xc9/0x650 [<00000000b365b459>] cpuidle_enter+0x29/0x40 [<000000002b6b1ca3>] do_idle+0x1c8/0x250