From f3c63e67bb00fa7d96595203d01a576df651e275 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Sun, 14 Jun 2020 03:22:32 +0200 Subject: avformat/sccdec: Fix memleak upon read header failure The already parsed subtitles (contained in an FFDemuxSubtitlesQueue) would leak if an error happened upon reading a subsequent subtitle. Signed-off-by: Andreas Rheinhardt --- libavformat/sccdec.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/libavformat/sccdec.c b/libavformat/sccdec.c index 0eb1dd307e..72f47f70de 100644 --- a/libavformat/sccdec.c +++ b/libavformat/sccdec.c @@ -144,7 +144,7 @@ try_again: sub = ff_subtitles_queue_insert(&scc->q, out, i, 0); if (!sub) - return AVERROR(ENOMEM); + goto fail; current_pos += i; sub->pos = current_pos; @@ -159,7 +159,7 @@ try_again: sub = ff_subtitles_queue_insert(&scc->q, out, i, 0); if (!sub) - return AVERROR(ENOMEM); + goto fail; sub->pos = current_pos; sub->pts = ts_start; @@ -178,6 +178,9 @@ try_again: ff_subtitles_queue_finalize(s, &scc->q); return ret; +fail: + ff_subtitles_queue_clean(&scc->q); + return AVERROR(ENOMEM); } static int scc_read_packet(AVFormatContext *s, AVPacket *pkt) -- cgit v1.2.3