From f81730f8facc54ef23df79ac8d33075403b4f76f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <[email protected]>
Date: Thu, 16 May 2024 16:37:58 +0200
Subject: [PATCH 3/5] lavu/common.h: Fix UB in av_clip_uintp2_c()
Found by value analysis
---
libavutil/common.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavutil/common.h b/libavutil/common.h
index 715f0a594c..8a3c4d2fcf 100644
--- a/libavutil/common.h
+++ b/libavutil/common.h
@@ -278,8 +278,8 @@ static av_always_inline av_const int av_clip_intp2_c(int a, int p)
*/
static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
{
- if (a & ~((1<<p) - 1)) return (~a) >> 31 & ((1<<p) - 1);
- else return a;
+ if (a & ~((1U<<p) - 1)) return (~a) >> 31 & ((1U<<p) - 1);
+ else return a;
}
/**
--
2.39.2
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