From 2bd8eb05d21b582d627a93852b59cb3cfc305dae Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 10 May 2017 01:18:36 +0200 Subject: [PATCH] avcodec/texturedsp: Fix runtime error: left shift of 218 by 24 places cannot be represented in type 'int' Fixes: 1428/clusterfuzz-testcase-minimized-5263281793007616 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/texturedsp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/texturedsp.c b/libavcodec/texturedsp.c index 6049c96791..49e97c91ae 100644 --- a/libavcodec/texturedsp.c +++ b/libavcodec/texturedsp.c @@ -291,7 +291,7 @@ static inline void dxt5_block_internal(uint8_t *dst, ptrdiff_t stride, } } } - pixel = colors[code & 3] | (alpha << 24); + pixel = colors[code & 3] | ((unsigned)alpha << 24); code >>= 2; AV_WL32(dst + x * 4, pixel); } -- 2.11.0