linux-ext4 - Re: [PATCH 4/4] ext4: don't keep using page if inline conversion fails

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:	Thu, 11 Sep 2014 11:46:27 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	"Darrick J. Wong" <darrick.wong@...cle.com>, Tao Ma <tm@....ma>,
	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 4/4] ext4: don't keep using page if inline conversion
 fails

On Thu, Sep 11, 2014 at 03:17:53PM +0200, Jan Kara wrote:
> On Wed 10-09-14 17:28:45, Darrick J. Wong wrote:
> > If inline->extent conversion fails (most probably due to ENOSPC) and
> > we release the temporary page that we allocated to transfer the file
> > contents, don't keep using the page pointer after releasing the page.
> > This occasionally leads to complaints about evicting locked pages or
> > hangs when blocksize > pagesize, because it's possible for the page to
> > get reallocated elsewhere in the meantime.
>   Good catch! You can add:
> Reviewed-by: Jan Kara <jack@...e.cz>

Applied, thanks.

					- Ted
--
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