From 537e901fe66c326f78e916ee9393830ee366131d Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 9 Dec 2015 18:13:25 +0100 Subject: [PATCH] avformat/mxfenc: Fix integer overflow in length computation Fixes: CID1341577 Signed-off-by: Michael Niedermayer --- libavformat/mxfenc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index e4e42720fe..043daff73a 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -1268,11 +1268,11 @@ static void mxf_write_package(AVFormatContext *s, enum MXFMetadataSetType type, user_comment_count = mxf_write_user_comments(s, s->metadata); mxf_write_metadata_key(pb, 0x013600); PRINT_KEY(s, "Material Package key", pb->buf_ptr - 16); - klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12*mxf->store_user_comments); + klv_encode_ber_length(pb, 92 + name_size + (16*track_count) + (16*user_comment_count) + 12LL*mxf->store_user_comments); } else { mxf_write_metadata_key(pb, 0x013700); PRINT_KEY(s, "Source Package key", pb->buf_ptr - 16); - klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12*mxf->store_user_comments); // 20 bytes length for descriptor reference + klv_encode_ber_length(pb, 112 + name_size + (16*track_count) + 12LL*mxf->store_user_comments); // 20 bytes length for descriptor reference } // write uid