linux-kernel - Re: [PATCH] Forbid user to change file flags on quota files

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, 2 Nov 2007 18:32:08 +0100 (CET)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Jan Kara <jack@...e.cz>
cc:	linux-kernel@...r.kernel.org,
	LIOU Payphone <lioupayphone@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Forbid user to change file flags on quota files


On Nov 1 2007 16:52, Jan Kara wrote:

>--- linux-2.6.24-rc1/fs/ext2/ioctl.c	2007-10-24 20:43:56.000000000 +0200
>+++ linux-2.6.24-rc1-1-forbid_setflags/fs/ext2/ioctl.c	2007-11-01 16:01:26.000000000 +0100
>@@ -47,6 +47,11 @@ int ext2_ioctl (struct inode * inode, st
> 			flags &= ~EXT2_DIRSYNC_FL;
> 
> 		mutex_lock(&inode->i_mutex);
>+		/* Is it quota file? Don't allow user mess with it */

"Do not allow user to mess with it".

>--- linux-2.6.24-rc1/fs/ext3/ioctl.c	2007-10-11 12:01:23.000000000 +0200
>--- linux-2.6.24-rc1/fs/ext4/ioctl.c	2007-10-11 12:01:23.000000000 +0200
>--- linux-2.6.24-rc1/fs/jfs/ioctl.c	2007-10-11 12:01:23.000000000 +0200
>--- linux-2.6.24-rc1/fs/reiserfs/ioctl.c	2007-10-24 20:43:58.000000000 +0200

And the other filesystems are all fine?
-
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/