Re: [ 137/143] xfs: underflow bug in xfs_attrlist_by_handle()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, May 13, 2014 at 12:08:12PM +0100, Luis Henriques wrote:
> > diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
> > index bad485a..782d03d 100644
> > --- a/fs/xfs/linux-2.6/xfs_ioctl32.c
> > +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
> > @@ -361,8 +361,8 @@ xfs_compat_attrlist_by_handle(
> >  	if (copy_from_user(&al_hreq, arg,
> >  			   sizeof(compat_xfs_fsop_attrlist_handlereq_t)))
> >  		return -XFS_ERROR(EFAULT);
> > -	if (al_hreq.buflen > XATTR_LIST_MAX)
> > -		return -XFS_ERROR(EINVAL);
> 
> Am I missing something or was the above return statement deleted by
> mistake?
> 
> Cheers,
> --
> Luís

Good eye.  I have created a Smatch check to look for these bugs.

regards,
dan carpenter

--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]