[ 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 '10.128.1.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 46.514317][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 46.754283][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 46.894248][ T7] usb 1-1: unable to get BOS descriptor or descriptor too short [ 46.954300][ T7] usb 1-1: unable to read config index 0 descriptor/start: -71 [ 46.961863][ T7] usb 1-1: can't read configurations, error -71 executing program [ 52.193881][ T7] usb 1-1: new high-speed USB device number 4 using dummy_hcd [ 52.433920][ T7] usb 1-1: Using ep0 maxpacket: 16 [ 52.553897][ T7] usb 1-1: unable to get BOS descriptor or descriptor too short [ 52.613915][ T7] usb 1-1: unable to read config index 0 descriptor/start: -71 [ 52.621477][ T7] usb 1-1: can't read configurations, error -71 [ 58.461246][ T8446] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 60.552508][ T8446] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff88810b4bc9a0 (size 32): comm "syz-executor804", pid 8452, jiffies 4294942463 (age 8.700s) 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: [<00000000f996fbb5>] gadget_bind+0x223/0x340 [<000000000b981868>] udc_bind_to_driver+0x62/0x150 [<00000000ec5fa335>] usb_gadget_probe_driver+0x1c7/0x230 [<0000000069fc595d>] raw_ioctl+0x5da/0xf30 [<000000006b9b2c84>] __x64_sys_ioctl+0xfc/0x140 [<00000000d6b1bb81>] do_syscall_64+0x2d/0x70 [<00000000b9ab38f9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810cb877a0 (size 32): comm "softirq", pid 0, jiffies 4294942517 (age 8.160s) 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: [<00000000420c26f1>] gadget_setup+0xf6/0x220 [<0000000022aefcf0>] dummy_timer+0xb9f/0x14c0 [<00000000b7078a6a>] call_timer_fn+0x38/0x200 [<00000000f70c2db4>] __run_timers.part.0+0x319/0x400 [<000000007bbb241d>] run_timer_softirq+0x3d/0x80 [<00000000203729db>] __do_softirq+0xcc/0x2c2 [<00000000edf5628e>] asm_call_irq_on_stack+0xf/0x20 [<00000000fb6be143>] do_softirq_own_stack+0x32/0x40 [<0000000027e3a618>] irq_exit_rcu+0x91/0xc0 [<000000000b44a8b6>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000e27531a2>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000090908908>] acpi_idle_do_entry+0xc3/0xd0 [<0000000064dcc96b>] acpi_idle_enter+0x128/0x1f0 [<000000007fd040f8>] cpuidle_enter_state+0xc9/0x650 [<00000000d395fd7a>] cpuidle_enter+0x29/0x40 [<00000000fcfcf9e2>] do_idle+0x1c8/0x250 BUG: memory leak unreferenced object 0xffff88810cb877c0 (size 32): comm "softirq", pid 0, jiffies 4294942521 (age 8.120s) hex dump (first 32 bytes): 02 00 00 00 08 00 00 00 80 06 00 0f 00 00 05 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<00000000420c26f1>] gadget_setup+0xf6/0x220 [<0000000022aefcf0>] dummy_timer+0xb9f/0x14c0 [<00000000b7078a6a>] call_timer_fn+0x38/0x200 [<00000000f70c2db4>] __run_timers.part.0+0x319/0x400 [<000000007bbb241d>] run_timer_softirq+0x3d/0x80 [<00000000203729db>] __do_softirq+0xcc/0x2c2 [<00000000edf5628e>] asm_call_irq_on_stack+0xf/0x20 [<00000000fb6be143>] do_softirq_own_stack+0x32/0x40 [<0000000027e3a618>] irq_exit_rcu+0x91/0xc0 [<000000000b44a8b6>] sysvec_apic_timer_interrupt+0x36/0x80 [<00000000e27531a2>] asm_sysvec_apic_timer_interrupt+0x12/0x20 [<0000000090908908>] acpi_idle_do_entry+0xc3/0xd0 [<0000000064dcc96b>] acpi_idle_enter+0x128/0x1f0 [<000000007fd040f8>] cpuidle_enter_state+0xc9/0x650 [<00000000d395fd7a>] cpuidle_enter+0x29/0x40 [<00000000fcfcf9e2>] do_idle+0x1c8/0x250