Fixes: null pointer dereference
Fixes: -stream_loop 1 -ss 00:00:05 -i zgclab/ffmpeg_crash/poc2 -codec:v copy
-codec:a aac -y output.mp4
Found-by: Wang Dawei and Zhou Geng, from Zhongguancun Laboratory
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
---
libavformat/concatdec.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/concatdec.c b/libavformat/concatdec.c
index 493659649cf..fe65d0c7688 100644
--- a/libavformat/concatdec.c
+++ b/libavformat/concatdec.c
@@ -639,6 +639,11 @@ static int concat_parse_script(AVFormatContext *avf)
}
}
+ if (!file) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
+
if (file->inpoint != AV_NOPTS_VALUE && file->outpoint != AV_NOPTS_VALUE) {
if (file->inpoint > file->outpoint ||
file->outpoint - (uint64_t)file->inpoint > INT64_MAX)
--
2.43.2
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