From e96b7a8ba62c5e010328b80b647b64dd9cdbdc01 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 3 Jun 2019 11:22:36 +0200 Subject: [PATCH] avcodec/dxv: Initialize tex_funct to NULL Fixes: Various anomalies Fixes: 14493/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5071018000908288 Fixes: 14630/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5714888963391488 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer --- libavcodec/dxv.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c index 5fd1844094..ae79de981f 100644 --- a/libavcodec/dxv.c +++ b/libavcodec/dxv.c @@ -1057,6 +1057,10 @@ static int dxv_decode(AVCodecContext *avctx, void *data, avctx->pix_fmt = AV_PIX_FMT_RGBA; avctx->colorspace = AVCOL_SPC_RGB; + ctx->tex_funct = NULL; + ctx->tex_funct_planar[0] = NULL; + ctx->tex_funct_planar[1] = NULL; + tag = bytestream2_get_le32(gbc); switch (tag) { case MKBETAG('D', 'X', 'T', '1'):