From 63afe5b9140bacdf587cff0cd9427ab03fa76b72 Mon Sep 17 00:00:00 2001 From: Andreas Cadhalpun Date: Tue, 28 Apr 2015 20:57:59 +0200 Subject: [PATCH] nutdec: check chapter creation in decode_info_header This fixes a segmentation fault when accessing the metadata. Signed-off-by: Michael Niedermayer (cherry picked from commit 3ff1af2b0db7132d5717be6395227a94c8abab07) Signed-off-by: Michael Niedermayer --- libavformat/nutdec.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/nutdec.c b/libavformat/nutdec.c index 11e7e43a79..7ae722b74c 100644 --- a/libavformat/nutdec.c +++ b/libavformat/nutdec.c @@ -505,6 +505,10 @@ static int decode_info_header(NUTContext *nut) nut->time_base[chapter_start % nut->time_base_count], start, start + chapter_len, NULL); + if (!chapter) { + av_log(s, AV_LOG_ERROR, "could not create chapter\n"); + return AVERROR(ENOMEM); + } metadata = &chapter->metadata; } else if (stream_id_plus1) { st = s->streams[stream_id_plus1 - 1];