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[FFmpeg-devel,23/26] avformat/webvttdec: Fix memleak upon read header failure

Message ID 20200614223656.21338-23-andreas.rheinhardt@gmail.com
State Accepted
Commit c784fe8b867e42a1c8d2c48d7046e3e0cce7ec31
Headers show
Series [FFmpeg-devel,01/26] avformat/matroskadec: Move AVBufferRef instead of copying, fix memleak | expand


Context Check Description
andriy/default pending
andriy/make success Make finished
andriy/make_fate success Make fate finished

Commit Message

Andreas Rheinhardt June 14, 2020, 10:36 p.m. UTC
The already parsed subtitles (contained in an FFDemuxSubtitlesQueue)
would leak if an error happened upon reading a subsequent subtitle.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 libavformat/webvttdec.c | 2 ++
 1 file changed, 2 insertions(+)
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diff --git a/libavformat/webvttdec.c b/libavformat/webvttdec.c
index 6c4d5f6736..bd3d45b382 100644
--- a/libavformat/webvttdec.c
+++ b/libavformat/webvttdec.c
@@ -164,6 +164,8 @@  static int webvtt_read_header(AVFormatContext *s)
     ff_subtitles_queue_finalize(s, &webvtt->q);
+    if (res < 0)
+        ff_subtitles_queue_clean(&webvtt->q);
     av_bprint_finalize(&cue,    NULL);
     return res;