diff mbox

[FFmpeg-devel,1/2] avcodec/dvdsubdec: discard accumulated buffer on error

Message ID 20181206004133.22809-1-michael@niedermayer.cc
State Accepted
Commit 35a603050d6c1f8d6955808e1b13d81cd12f8843
Headers show

Commit Message

Michael Niedermayer Dec. 6, 2018, 12:41 a.m. UTC 
Fixes: Timeout
Fixes: 10992/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DVDSUB_fuzzer-5657495410835456

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/dvdsubdec.c | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index 632a53adab..741ea9fd1e 100644
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -595,6 +595,7 @@  static int dvdsub_decode(AVCodecContext *avctx,
     }
 
     if (is_menu < 0) {
+        ctx->buf_size = 0;
     no_subtitle:
         reset_rects(sub);
         *data_size = 0;