Not found by the fuzzer
Signed-off-by: Michael Niedermayer <[email protected]>
---
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
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