From 9b65dbf7349aace16f7ca65f7cef1a368e2d83d9 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 16 Jun 2017 23:31:42 +0200 Subject: [PATCH] avcodec/gdv: Fix undefined shift Fixes: runtime error: left shift of 255 by 24 places cannot be represented in type 'int' Fixes: 2249/clusterfuzz-testcase-minimized-5388542379294720 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/gdv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/gdv.c b/libavcodec/gdv.c index cae82b825d..275af9a351 100644 --- a/libavcodec/gdv.c +++ b/libavcodec/gdv.c @@ -330,7 +330,7 @@ static int gdv_decode_frame(AVCodecContext *avctx, void *data, unsigned r = bytestream2_get_byte(gb); unsigned g = bytestream2_get_byte(gb); unsigned b = bytestream2_get_byte(gb); - gdv->pal[i] = 0xFF << 24 | r << 18 | g << 10 | b << 2; + gdv->pal[i] = 0xFFU << 24 | r << 18 | g << 10 | b << 2; } break; case 3: