linux-ext4 - Re: ioctl32 (was Re: filefrag abort)

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:	Wed, 22 Jul 2009 11:01:52 -0600
From:	Andreas Dilger <adilger@....com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	Ron Johnson <ron.l.johnson@....net>, linux-ext4@...r.kernel.org
Subject: Re: ioctl32 (was Re: filefrag abort)

On Jul 21, 2009  19:57 -0500, Eric Sandeen wrote:
> Ron Johnson wrote:
> > On 2009-07-20 21:03, Theodore Tso wrote:
> >> On Mon, Jul 20, 2009 at 04:49:04PM -0500, Ron Johnson wrote:
> >>> Hi,
> >>>
> >>> (Is this OT?  http://sourceforge.net/forum/forum.php?forum_id=7052  
> >>> doesn't show much activity...)
> >>>
> >>> Debian Sid, e2fsprogs 1.41.8-1
> >>> Home-rolled 64-bit 2.6.30 with 32-bit userland
> >> Should be fixed in e2fsprogs 1.41.8-2
> > 
> > ff seems to work now, but I still get this in dmesg:
> > 
> > [188883.274547] ioctl32(filefrag:7086): Unknown cmd fd(3) 
> > cmd(c020660b){t:'f';sz:32} arg(ffacb808) on /some/large/file
> 
> Huh, did we miss a compat ioctl for fiemap.... looks like so.  I'll look
> into that tomorrow, thanks.

Sigh, I wish there was some sort of automatic ioctl parser tool that
would report if the ioctl will need compat handling or not.  I thought
the fiemap structs didn't need any compat handling because they are
properly sized/aligned and w/o pointers...

Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html