Happens when length > INT_MAX / 2; use unsigned for the computation,
but restrict the value to INT_MAX, because avio_get_str16le()
accepts an int as buf_len argument. Notice that it can happen
that the string read by avio_get_str16le() is truncated in this case.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
---
libavformat/wtvdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c
index 2de6dc2103..4ce4b6403e 100644
--- a/libavformat/wtvdec.c
+++ b/libavformat/wtvdec.c
@@ -468,7 +468,7 @@ static void get_tag(AVFormatContext *s, AVIOContext *pb,
const char *key, int ty
return;
}
- buf_size = FFMAX(2*length, LEN_PRETTY_GUID) + 1;
+ buf_size = FFMIN(FFMAX(2U * length, LEN_PRETTY_GUID) + 1, INT_MAX);
buf = av_malloc(buf_size);
if (!buf)
return;
--
2.34.1
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