linux-kernel - Re: [GIT PULL] Btrfs

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, 15 Nov 2013 08:40:19 -0500
From:	Chris Mason <chris.mason@...ionio.com>
To:	Heiko Carstens <heiko.carstens@...ibm.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	<linux-btrfs@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>,
	Dulshani Gunawardhana <dulshani.gunawardhana89@...il.com>,
	Gleb Natapov <gleb@...hat.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Mark Brown <broonie@...nel.org>
Subject: Re: [GIT PULL] Btrfs

Quoting Chris Mason (2013-11-15 07:21:31)
> Quoting Heiko Carstens (2013-11-15 06:32:16)
> > On Thu, Nov 14, 2013 at 12:19:52PM -0500, Chris Mason wrote:
> > > Hi Linus,
> > > 
> > > Please pull my for-linus branch:
> > > 
> > > git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs.git for-linus
> > > 
> > > This is our usual merge window set of bug fixes, performance
> > > improvements and cleanups.  Miao Xie has some really nice optimizations
> > > for writeback.
> > > 
> > > Josef also expanded our sanity checks quite a bit; these make up a big
> > > chunk of the new lines.
> > 
> > Hmm..  b19e68439375  "btrfs: Remove redundant local zero structure" seems to
> > use the empty_zero_page incorrectly and causes this compile warning on s390:
> > 
> >   CC      fs/btrfs/ioctl.o
> > fs/btrfs/ioctl.c: In function 'btrfs_is_empty_uuid':
> > fs/btrfs/ioctl.c:372:2: warning: passing argument 2 of 'memcmp' makes pointer from
> >                         integer without a cast [enabled by default]
> >   return !memcmp(uuid, empty_zero_page, BTRFS_UUID_SIZE);
> >   ^
> > 
> > In fact there seem to be two more incorrect usages in the kernel. The patch
> > below is not really tested.
> 
> Thanks Heiko,
> 
> I'll make a new pull with the btrfs part of this.

Or something slightly different ;)

BUG: unable to handle kernel paging request at 0000000001ba6000
IP: [<ffffffff812b3656>] memcmp+0xf/0x22

-chris

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/