Fixes use of uninitialized value, reported by MSAN. Specifically in
jpegxl parser.
Found by OSS-Fuzz.
Signed-off-by: Kacper Michajłow <kaspe...@gmail.com>
---
libavformat/img2dec.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/img2dec.c b/libavformat/img2dec.c
index ba52353074..c667d8574c 100644
--- a/libavformat/img2dec.c
+++ b/libavformat/img2dec.c
@@ -549,6 +549,8 @@ int ff_img_read_packet(AVFormatContext *s1, AVPacket *pkt)
}
}
+ memset(pkt->data + pkt->size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
+
if (ret[0] <= 0 || ret[1] < 0 || ret[2] < 0) {
if (ret[0] < 0) {
res = ret[0];
--
2.43.0
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