netdev - Re: [PATCH] nf_conntrack: avoid kernel pointer value leak in slab name

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:	Sat, 14 May 2016 15:21:31 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Willy Tarreau <w@....eu>
Cc:	David Miller <davem@...emloft.net>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Network Development List <netdev@...r.kernel.org>
Subject: Re: [PATCH] nf_conntrack: avoid kernel pointer value leak in slab name

On Sat, May 14, 2016 at 2:33 PM, Willy Tarreau <w@....eu> wrote:
>
> Why simply not cast the atomic to (unsigned long long) instead of (u64)
> so that %llu always matches ?

Yes, that fixes the problem. It's just more typing, and annoying. The
fact that MS got it right while posix and gcc screwed it up is a bit
embarrassing..

If we ever start using __uint128_t, we'll have even more problems in
this area. Oh well.

                Linus