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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2021-02-14 23:55:39 +0100
committerAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2021-02-15 16:50:55 +0100
commitda857099e92fb7fede6d7b9e6b26879ce9c5a483 (patch)
treec76830ff9feea247ed4d9fa9e69787349b8c5e87 /libavformat/utils.c
parentc0d0b1c4f6f804796488adf3e552be88c0cee1a4 (diff)
avformat/utils: Add av_assert1 to preclude NULL + len, len != 0
Such a scenario is undefined behaviour and would also indicate a bug in our code. Suggested-by: James Almer <jamrial@gmail.com> Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavformat/utils.c')
-rw-r--r--libavformat/utils.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/utils.c b/libavformat/utils.c
index cea6d4ca92..652758e98e 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -1426,6 +1426,7 @@ static int parse_packet(AVFormatContext *s, AVPacket *pkt,
pkt->pts = pkt->dts = AV_NOPTS_VALUE;
pkt->pos = -1;
/* increment read pointer */
+ av_assert1(data || !len);
data = len ? data + len : data;
size -= len;