ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Wed Mar 20 22:29:21 2019 +0100| [4daec0c6777a6fd545d9e8dcaf9cb6a2cd083235] | committer: Michael Niedermayer
avcodec/dxv: Check remaining space in CHECKPOINT() Fixes: Timeout (77sec -> 1sec) Fixes: 13407/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DXV_fuzzer-5093143018471424 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4daec0c6777a6fd545d9e8dcaf9cb6a2cd083235 --- libavcodec/dxv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c index aef5ec19dd..6fe5516505 100644 --- a/libavcodec/dxv.c +++ b/libavcodec/dxv.c @@ -256,6 +256,8 @@ static int decompress_texture_thread(AVCodecContext *avctx, void *arg, #define CHECKPOINT(x) \ do { \ if (state == 0) { \ + if (bytestream2_get_bytes_left(gbc) < 4) \ + return AVERROR_INVALIDDATA; \ value = bytestream2_get_le32(gbc); \ state = 16; \ } \ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
