[FFmpeg-devel] [PATCH] avcodec/dxv: Initialize text_funct to NULL
Michael Niedermayer
michael at niedermayer.cc
Mon Jun 3 12:41:53 EEST 2019
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 <michael at niedermayer.cc>
---
libavcodec/dxv.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c
index 6fe5516505..2abfe6a017 100644
--- a/libavcodec/dxv.c
+++ b/libavcodec/dxv.c
@@ -1054,6 +1054,10 @@ 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'):
--
2.21.0
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