linux-kernel - Re: linux-next: manual merge of the selinux tree with the vfs tree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 30 Nov 2018 15:10:18 +0000
From:   David Howells <dhowells@...hat.com>
To:     Ondrej Mosnacek <omosnace@...hat.com>
Cc:     dhowells@...hat.com, Stephen Rothwell <sfr@...b.auug.org.au>,
        Paul Moore <paul@...l-moore.com>,
        Al Viro <viro@...iv.linux.org.uk>, linux-next@...r.kernel.org,
        Linux kernel mailing list <linux-kernel@...r.kernel.org>,
        selinux@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: linux-next: manual merge of the selinux tree with the vfs tree

Ondrej Mosnacek <omosnace@...hat.com> wrote:

> - if (fc->purpose == FS_CONTEXT_FOR_KERNEL_MOUNT)
> + if (fc->purpose == (FS_CONTEXT_FOR_KERNEL_MOUNT|FS_CONTEXT_FOR_SUBMOUNT))

It's not a bitmask, so you can't do that.  You'd need to do:

	if (fc->purpose == FS_CONTEXT_FOR_KERNEL_MOUNT ||
	    fc->purpose == FS_CONTEXT_FOR_SUBMOUNT)

or use a switch.

David