[FFmpeg-devel] [PATCH 6/8] avcodec/cri: Use ff_set_dimensions()
Michael Niedermayer
michael at niedermayer.cc
Tue Feb 2 00:31:14 EET 2021
Fixes: out of memory
Fixes: 29985/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CRI_fuzzer-6424425392111616
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/cri.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/libavcodec/cri.c b/libavcodec/cri.c
index 2d33b54e42..3312606b75 100644
--- a/libavcodec/cri.c
+++ b/libavcodec/cri.c
@@ -184,6 +184,7 @@ static int cri_decode_frame(AVCodecContext *avctx, void *data,
char codec_name[1024];
uint32_t key, length;
float framerate;
+ int width, height;
key = bytestream2_get_le32(gb);
length = bytestream2_get_le32(gb);
@@ -199,11 +200,14 @@ static int cri_decode_frame(AVCodecContext *avctx, void *data,
case 100:
if (length < 16)
return AVERROR_INVALIDDATA;
- avctx->width = bytestream2_get_le32(gb);
- avctx->height = bytestream2_get_le32(gb);
+ width = bytestream2_get_le32(gb);
+ height = bytestream2_get_le32(gb);
s->color_model = bytestream2_get_le32(gb);
if (bytestream2_get_le32(gb) != 1)
return AVERROR_INVALIDDATA;
+ ret = ff_set_dimensions(avctx, width, height);
+ if (ret < 0)
+ return ret;
length -= 16;
goto skip;
case 101:
--
2.17.1
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