Fixes out-of-bounds writes.
Signed-off-by: Andreas Cadhalpun <[email protected]>
---
libavcodec/speedhq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/speedhq.c b/libavcodec/speedhq.c
index 385f779f83..6ae1e0f8df 100644
--- a/libavcodec/speedhq.c
+++ b/libavcodec/speedhq.c
@@ -198,7 +198,7 @@ static inline int decode_alpha_block(const SHQContext *s,
GetBitContext *gb, uin
if (run == 128) break;
i += run;
- if (i >= 128)
+ if (i < 0 || i >= 128)
return AVERROR_INVALIDDATA;
UPDATE_CACHE_LE(re, gb);
--
2.11.0
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