From 4adbb44ad154cec05e87de60bb827a13c0fe87df Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Wed, 23 Nov 2016 13:02:53 +0100
Subject: [PATCH] tta: avoid undefined shifts
Signed-off-by: Diego Biurrun <diego@biurrun.de>
---
libavcodec/tta.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/tta.c b/libavcodec/tta.c
index 2ac825554ec..5532580e022 100644
--- a/libavcodec/tta.c
+++ b/libavcodec/tta.c
@@ -360,7 +360,7 @@ static int tta_decode_frame(AVCodecContext *avctx, void *data,
}
if (k) {
- if (k > MIN_CACHE_BITS) {
+ if (k >= 32 || unary > INT32_MAX >> k) {
ret = AVERROR_INVALIDDATA;
goto error;
}
--
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