From e1b60aad77c27ed5d4dfc11e5e6a05a38c70489d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Sat, 6 May 2017 22:24:52 +0200 Subject: [PATCH] avcodec/cdxl: Check format parameter Fixes out of array access Fixes: 1378/clusterfuzz-testcase-minimized-5715088008806400 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg 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 7a9b41943d..5c0ecb279c 100644 --- a/libavcodec/cdxl.c +++ b/libavcodec/cdxl.c @@ -277,7 +277,7 @@ static int cdxl_decode_frame(AVCodecContext *avctx, void *data, c->padded_bits = aligned_width - c->avctx->width; if (c->video_size < aligned_width * avctx->height * (int64_t)c->bpp / 8) return AVERROR_INVALIDDATA; - if (!encoding && c->palette_size && c->bpp <= 8) { + 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)) { if (c->palette_size != (1 << (c->bpp - 1)))