commit | d9490e7ca55bafac97fa65a3d34244386469eb50 | [log] [tgz] |
---|---|---|
author | Jan Kara <jack@suse.cz> | Mon Oct 16 11:38:11 2017 +0200 |
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Dec 20 10:10:36 2017 +0100 |
tree | c11c782b93118b4c2b362edf8cde913654b7cfa4 | |
parent | 42364042b7dd4ba7fed36c1db0a157c7c48282ca [diff] |
udf: Avoid overflow when session starts at large offset [ Upstream commit abdc0eb06964fe1d2fea6dd1391b734d0590365d ] When session starts beyond offset 2^31 the arithmetics in udf_check_vsd() would overflow. Make sure the computation is done in large enough type. Reported-by: Cezary Sliwa <sliwa@ifpan.edu.pl> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>