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[FFmpeg-devel,14/26] avformat/pjsdec: Fix memleak upon read header failure

Message ID 20200614223656.21338-14-andreas.rheinhardt@gmail.com
State Accepted
Commit 9df560e8986640e20c62286f0baee2a80540accd
Headers show
Series [FFmpeg-devel,01/26] avformat/matroskadec: Move AVBufferRef instead of copying, fix memleak
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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/pjsdec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/libavformat/pjsdec.c b/libavformat/pjsdec.c
index 8a5cc04f84..e30c23d830 100644
--- a/libavformat/pjsdec.c
+++ b/libavformat/pjsdec.c
@@ -94,8 +94,10 @@  static int pjs_read_header(AVFormatContext *s)
 
             p[strcspn(p, "\"")] = 0;
             sub = ff_subtitles_queue_insert(&pjs->q, p, strlen(p), 0);
-            if (!sub)
+            if (!sub) {
+                ff_subtitles_queue_clean(&pjs->q);
                 return AVERROR(ENOMEM);
+            }
             sub->pos = pos;
             sub->pts = pts_start;
             sub->duration = duration;