From 26659fe53ee9e51dc06ea2384321cc18229f5768 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 3 Sep 2021 17:12:53 +0200 Subject: [PATCH] avcodec/argo: Move U, fix shift Fixes: left shift of 255 by 24 places cannot be represented in type 'int' Fixes: 37249/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARGO_fuzzer-5754862984888320 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol Signed-off-by: Michael Niedermayer --- libavcodec/argo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/argo.c b/libavcodec/argo.c index df9aab92a8..66f3d96480 100644 --- a/libavcodec/argo.c +++ b/libavcodec/argo.c @@ -58,7 +58,7 @@ static int decode_pal8(AVCodecContext *avctx, uint32_t *pal) return AVERROR_INVALIDDATA; for (int i = 0; i < count; i++) - pal[start + i] = (0xFF << 24U) | bytestream2_get_be24u(gb); + pal[start + i] = (0xFFU << 24) | bytestream2_get_be24u(gb); return 0; }