--- zzzz-none-000/linux-4.4.271/drivers/media/v4l2-core/v4l2-compat-ioctl32.c	2021-06-03 06:22:09.000000000 +0000
+++ hawkeye-5590-750/linux-4.4.271/drivers/media/v4l2-core/v4l2-compat-ioctl32.c	2023-04-19 10:22:29.000000000 +0000
@@ -1017,6 +1017,7 @@
 	int compatible_arg = 1;
 	long err = 0;
 
+	memset(&karg, 0, sizeof(karg));
 	/* First, convert the command. */
 	switch (cmd) {
 	case VIDIOC_G_FMT32: cmd = VIDIOC_G_FMT; break;