Messages in this thread | | | Date | Wed, 14 May 2014 12:50:20 +0300 | From | Dan Carpenter <> | Subject | Re: [ 137/143] xfs: underflow bug in xfs_attrlist_by_handle() |
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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
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