ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Sep 30 18:54:07 2017 +0200| [d662143f064636f11d92083cd9aa4f907cf97d59] | committer: Michael Niedermayer
avcodec/dxv: Check for end of input in dxv_decompress_dxt5() Fixes: Timeout Fixes: 3291/clusterfuzz-testcase-4630024655208448 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=d662143f064636f11d92083cd9aa4f907cf97d59 --- libavcodec/dxv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/dxv.c b/libavcodec/dxv.c index 6f3c075d06..529e211258 100644 --- a/libavcodec/dxv.c +++ b/libavcodec/dxv.c @@ -197,6 +197,8 @@ static int dxv_decompress_dxt5(AVCodecContext *avctx) AV_WL32(ctx->tex_data + 4 * pos, prev); pos++; } else { + if (bytestream2_get_bytes_left(gbc) < 1) + return AVERROR_INVALIDDATA; if (state == 0) { value = bytestream2_get_le32(gbc); state = 16; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
