fs/ntfs3: Harden against integer overflows
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 12 Sep 2022 15:08:51 +0000 (18:08 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 31 Dec 2022 12:32:46 +0000 (13:32 +0100)
commitb259e31d150a9a6be986e1667793e39074866f6e
treef3435538dfc5853af92503cd6e9cfb890c5c45df
parent95afb464c86c6e9e95ea9e595282fa6f693072e8
fs/ntfs3: Harden against integer overflows

[ Upstream commit e001e60869390686809663c02bceb1d3922548fb ]

Smatch complains that the "add_bytes" is not to be trusted.  Use
size_add() to prevent an integer overflow.

Fixes: be71b5cba2e6 ("fs/ntfs3: Add attrib operations")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
fs/ntfs3/xattr.c