From 75ec0e3c4171664a0c3798e7331c217828d84b6b Mon Sep 17 00:00:00 2001
From: Hans Petter Selasky <hps@selasky.org>
Date: Wed, 13 Jul 2022 19:45:02 +0200
Subject: [PATCH] webcamd: Add extra range check.

Signed-off-by: Hans Petter Selasky <hps@selasky.org>
---
 webcamd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/webcamd.c b/webcamd.c
index 1a82bb3..3e13f53 100644
--- a/webcamd.c
+++ b/webcamd.c
@@ -1118,7 +1118,8 @@ malloc_vm(size_t size)
 {
 	if (size == 0)
 		return (zero_alloc);
-
+	else if (size > 0x7FFFFFFFUL)
+		return (NULL);	/* too big */
 	return (cuse_vmalloc(size));
 }