From 7c1be72e2461e3c6db61626df2c71f985ba0990e Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 8 May 2017 11:46:03 +0200 Subject: [PATCH] avcodec/cdxl: Check format for BGR24 Fixes: out of array access Fixes: 1427/clusterfuzz-testcase-minimized-5020737339392000 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg Signed-off-by: Michael Niedermayer (cherry picked from commit 1e42736b95065c69a7481d0cf55247024f54b660) Signed-off-by: Michael Niedermayer --- libavcodec/cdxl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cdxl.c b/libavcodec/cdxl.c index 1021addb95..7b62ae5fc5 100644 --- a/libavcodec/cdxl.c +++ b/libavcodec/cdxl.c @@ -254,7 +254,7 @@ static int cdxl_decode_frame(AVCodecContext *avctx, void *data, return AVERROR_INVALIDDATA; if (!encoding && c->palette_size && c->bpp <= 8 && c->format != CHUNKY) { avctx->pix_fmt = AV_PIX_FMT_PAL8; - } else if (encoding == 1 && (c->bpp == 6 || c->bpp == 8)) { + } else if (encoding == 1 && (c->bpp == 6 || c->bpp == 8) && c->format != CHUNKY) { if (c->palette_size != (1 << (c->bpp - 1))) return AVERROR_INVALIDDATA; avctx->pix_fmt = AV_PIX_FMT_BGR24;