linux-ext4 - Re: [PATCH] fix type of "offset" in ext4_io

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]

Message-ID: <20100129202115.GC2209@localhost.localdomain>
Date:	Fri, 29 Jan 2010 15:21:15 -0500
From:	Josef Bacik <josef@...hat.com>
To:	Eric Sandeen <sandeen@...hat.com>
Cc:	ext4 development <linux-ext4@...r.kernel.org>,
	Giel de Nijs <giel@...torwise.com>
Subject: Re: [PATCH] fix type of "offset" in ext4_io_end

On Fri, Jan 29, 2010 at 12:24:04PM -0600, Eric Sandeen wrote:
> The "offset" member in ext4_io_end holds bytes, not
> blocks, so ext4_lblk_t is wrong - and too small (u32)
> 
> This caused the testcase "Possible ext4 data corruption
> with large files and async I/O" sent by Giel to fail when it
> wrapped around to 0.
> 
> Also fix up the type of arguments to
> ext4_convert_unwritten_extents(), it gets ssize_t from
> ext4_end_aio_dio_nolock() and ext4_ext_direct_IO()
> 
> Reported-by: Giel de Nijs <giel@...torwise.com>
> Signed-off-by: Eric Sandeen <sandeen@...hat.com>
> ---
>  

Reviewed-by: Josef Bacik <josef@...hat.com>
--
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