Re: CIFS related seg fault (v2.6.37)

Suresh Jayaraman
2011-01-20T05:02:40Z

On 01/20/2011 10:25 AM, Steve French wrote:
> On Wed, Jan 19, 2011 at 10:45 PM, Suresh Jayaraman <sjayaraman@suse.de> wrote:
>> (Cc linux-cifs@vger.kernel.org)
>>
>> On 01/20/2011 07:05 AM, Peter Teoh wrote:
>>> Filed a bug today:
>>>
>>> https://bugzilla.kernel.org/show_bug.cgi?id=27082
>>>
>>> Version of kernel (linus git tree synced): v2.6.37-3737-g0c21e3a
>>>
>>> Output of dmesg summarized here:
>>>
>>> [ 7273.369563] ------------[ cut here ]------------
>>> [ 7273.369575] kernel BUG at fs/dcache.c:1358!
>>
>> Looks like the issue is already fixed in VFS (see discussion):
>> http://thread.gmane.org/gmane.linux.kernel.cifs/2284
>>
>> Jeff: Looks like the issue is reproducible with 2.6.37 too.. Any idea
>> which is the commit that fixes this problem and whether it has been
>> marked for -stable?
>
> So Jeff's change referenced (to fs/cifs/dir.c) above is not needed due
> to a vfs change?
>

Sorry it was not a VFS fix but a fix from Al Viro that fixed this
problem. IIUC, the commit has made it to cifs-2.6.git but not upstream.

commit 1c929cfe6d8f2087a337a868fbf6c38d56bb4889
Author: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat Dec 18 11:43:51 2010 -0500

switch cifs