From 6b772034ffffeef741b34001dfc91d0827be3fa3 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michael@niedermayer.cc>
Date: Thu, 11 Jul 2024 20:03:45 +0200
Subject: [PATCH] avformat/mov: Use 64bit for str_size

We assign a 64bit variable to it before checking

Fixes: CID1604544 Overflowed integer argument

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 046d069552f5c2824f36fcf95d409670208dc94b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavformat/mov.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 1af869cb48..48997bde1e 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -332,7 +332,8 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     char *str = NULL;
     const char *key = NULL;
     uint16_t langcode = 0;
-    uint32_t data_type = 0, str_size, str_size_alloc;
+    uint32_t data_type = 0, str_size_alloc;
+    uint64_t str_size;
     int (*parse)(MOVContext*, AVIOContext*, unsigned, const char*) = NULL;
     int raw = 0;
     int num = 0;