Theres currently no case where this could be triggered but adding this
provides future robustness
Found-by: Daemon404
Signed-off-by: Michael Niedermayer <michae...@gmx.at>
---
libavfilter/drawutils.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c
index 0b2f17e..4385398 100644
--- a/libavfilter/drawutils.c
+++ b/libavfilter/drawutils.c
@@ -66,7 +66,12 @@ int ff_fill_line_with_color(uint8_t *line[4], int
pixel_step[4], int w, uint8_t
uint8_t rgba_map[4] = {0};
int i;
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);
- int hsub = pix_desc->log2_chroma_w;
+ int hsub;
+
+ if (!pix_desc)
+ return AVERROR(EINVAL);
+
+ hsub = pix_desc->log2_chroma_w;
*is_packed_rgba = ff_fill_rgba_map(rgba_map, pix_fmt) >= 0;
--
1.7.9.5
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
