linux-kernel - Re: problems with latest smbfs changes on 2.4.34 and security backports

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Message-ID: <20070120061818.GA22220@1wt.eu>
Date:	Sat, 20 Jan 2007 07:18:18 +0100
From:	Willy Tarreau <w@....eu>
To:	dann frazier <dannf@...nf.org>
Cc:	Santiago Garcia Mantinan <manty@...ian.org>,
	linux-kernel@...r.kernel.org, debian-kernel@...ts.debian.org
Subject: Re: problems with latest smbfs changes on 2.4.34 and security backports

On Fri, Jan 19, 2007 at 06:05:44PM -0700, dann frazier wrote:
(...)
> Ah, think I see the problem now:
> 
> --- kernel-source-2.4.27.orig/fs/smbfs/proc.c	2007-01-19 17:53:57.247695476 -0700
> +++ kernel-source-2.4.27/fs/smbfs/proc.c	2007-01-19 17:49:07.480161733 -0700
> @@ -1997,7 +1997,7 @@
>  		fattr->f_mode = (server->mnt->dir_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) | S_IFDIR;
>  	else if ( (server->mnt->flags & SMB_MOUNT_FMODE) &&
>  	          !(S_ISDIR(fattr->f_mode)) )
> -		fattr->f_mode = (server->mnt->file_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) | S_IFREG;
> +		fattr->f_mode = (server->mnt->file_mode & (S_IRWXU | S_IRWXG | S_IRWXO)) | (fattr->f_mode & S_IFMT);
>  
>  }
>  
> Santiago: Thanks for reporting this - can you test this patch out on
> your system and let me know if there are still any problems?
> 
> Willy: I'll do some more testing and get you a patch that fixes this
> and the double assignment nonsense. Would you prefer a single patch or
> two?

Since the double assignment is not a bug per se, don't bother making a
separate patch, put everything in the same one.

Thanks a lot for your very fast response !

Cheers,
Willy

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