From 58b05f8720ccab83200fa989a4fc7cb3d1db360c Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 5 May 2017 02:51:13 +0200 Subject: [PATCH] avcodec/dvdsubdec: Fix runtime error: left shift of 242 by 24 places cannot be represented in type 'int' Fixes: 1080/clusterfuzz-testcase-5353236754071552 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit ce7098b8f2b59c62b5abdb3d74819db75cf67698) Signed-off-by: Michael Niedermayer --- libavcodec/dvdsubdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c index cea166e131..0c73fb2bbd 100644 --- a/libavcodec/dvdsubdec.c +++ b/libavcodec/dvdsubdec.c @@ -60,7 +60,7 @@ static void yuv_a_to_rgba(const uint8_t *ycbcr, const uint8_t *alpha, uint32_t * cb = *ycbcr++; YUV_TO_RGB1_CCIR(cb, cr); YUV_TO_RGB2_CCIR(r, g, b, y); - *rgba++ = (*alpha++ << 24) | (r << 16) | (g << 8) | b; + *rgba++ = ((unsigned)*alpha++ << 24) | (r << 16) | (g << 8) | b; } }