On Sun, 05 Jan 2025 04:40:19 -0800 > syzbot found the following issue on: > > HEAD commit: ccb98ccef0e5 Merge tag 'platform-drivers-x86-v6.13-4' of g.. > git tree: upstream > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17bd56df980000 #syz test --- x/drivers/input/input.c +++ y/drivers/input/input.c @@ -642,17 +642,11 @@ EXPORT_SYMBOL(input_open_device); int input_flush_device(struct input_handle *handle, struct file *file) { struct input_dev *dev = handle->dev; - int retval; - - retval = mutex_lock_interruptible(&dev->mutex); - if (retval) - return retval; if (dev->flush) - retval = dev->flush(dev, file); + return dev->flush(dev, file); - mutex_unlock(&dev->mutex); - return retval; + return 0; } EXPORT_SYMBOL(input_flush_device); --
