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authorMichael Niedermayer <michael@niedermayer.cc>2019-11-02 14:14:44 +0100
committerMichael Niedermayer <michael@niedermayer.cc>2019-12-01 17:47:53 +0100
commit9162df98e1cf4e240f36944def19e8cd2cc28359 (patch)
tree73fd9a17917744569d36d0b5fffb1af2008e91c4
parent66e701af697da60553f2252ab617081b11672854 (diff)
downloadffmpeg-9162df98e1cf4e240f36944def19e8cd2cc28359.tar.gz
avcodec/nuv: Move comptype check up
Fixes: Timeout (23sec -> 5ms) Fixes: 18517/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_NUV_fuzzer-5753135536013312 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> (cherry picked from commit 1138cdecbe0164ab1f07768418e794fddfdc636d) Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r--libavcodec/nuv.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/libavcodec/nuv.c b/libavcodec/nuv.c
index 32ed65899b..6192a70c74 100644
--- a/libavcodec/nuv.c
+++ b/libavcodec/nuv.c
@@ -217,6 +217,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
case NUV_RTJPEG:
minsize = c->width/16 * (c->height/16) * 6;
break;
+ case NUV_BLACK:
+ case NUV_COPY_LAST:
+ case NUV_LZO:
+ case NUV_RTJPEG_IN_LZO:
+ break;
+ default:
+ av_log(avctx, AV_LOG_ERROR, "unknown compression\n");
+ return AVERROR_INVALIDDATA;
}
if (buf_size < minsize / 4)
return AVERROR_INVALIDDATA;
@@ -305,9 +313,6 @@ retry:
case NUV_COPY_LAST:
/* nothing more to do here */
break;
- default:
- av_log(avctx, AV_LOG_ERROR, "unknown compression\n");
- return AVERROR_INVALIDDATA;
}
if ((result = av_frame_ref(picture, c->pic)) < 0)