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:	Tue, 1 Nov 2011 19:27:25 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Jan Kara <jack@...e.cz>
Cc:	Eryu Guan <guaneryu@...il.com>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext3: Avoid creating new file in append-only dir when
 open(2) return error

On Wed, Nov 02, 2011 at 12:10:34AM +0100, Jan Kara wrote:
> > 
> > To avoid this, check EXT3_APPEND_FL flag first in ext3_create before
> > really allocating new inode.
>   Yes, it is nicer to not create any file when open(2) fails in the end.
> BTW, how have you spotted this? I've taken your ext2 and ext3 patches into
> my tree.

Note: I have a fix in my tree which removes EXTx_APPEND_FL from the
set of flags that can be inherited from the containing directory in
ext2, ext3, and ext4.  That addresses this issue without needing to
make the change in this patch.

				- 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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ