Not found by the fuzzer

Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
 libavformat/vividas.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/vividas.c b/libavformat/vividas.c
index a5f33181de..0c33ca2da8 100644
--- a/libavformat/vividas.c
+++ b/libavformat/vividas.c
@@ -546,7 +546,7 @@ static int viv_read_header(AVFormatContext *s)
             break;
 
         block_len = ffio_read_varlen(pb);
-        if (avio_feof(pb))
+        if (avio_feof(pb) || block_len <= 0)
             return AVERROR_INVALIDDATA;
 
         block_type = avio_r8(pb);
-- 
2.22.0

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".

Reply via email to