Re: + headers-untangle-kmemleakh-from-mmh-fix.patch added to -mm tree

From: Andrew Morton
Date: Wed Mar 14 2018 - 11:03:37 EST


On Wed, 14 Mar 2018 15:57:24 +0100 Michal Hocko <mhocko@xxxxxxxxxx> wrote:

> > > 1 file changed, 1 insertion(+)
> > >
> > > diff --git a/security/integrity/digsig.c b/security/integrity/digsig.c
> > > index 6f9e4ce568cd..9bb0a7f2863e 100644
> > > --- a/security/integrity/digsig.c
> > > +++ b/security/integrity/digsig.c
> > > @@ -18,6 +18,7 @@
> > > #include <linux/cred.h>
> > > #include <linux/key-type.h>
> > > #include <linux/digsig.h>
> > > +#include <linux/vmalloc.h>
> > > #include <crypto/public_key.h>
> > > #include <keys/system_keyring.h>
> >
> > hm, current linux-next.patch already has this change. What happened here?
>
> OK, I see. This is usuall inter tree mess. It didn't fly through your
> tree:
> commit 120f3b11ef88fc38ce1d0ff9c9a4b37860ad3140
> Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Date: Mon Feb 12 17:26:20 2018 -0800
>
> integrity/security: fix digsig.c build error with header file
>
> security/integrity/digsig.c has build errors on some $ARCH due to a
> missing header file, so add it.
>
> security/integrity/digsig.c:146:2: error: implicit declaration of function 'vfree' [-Werror=implicit-function-declaration]
>
> Reported-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Mimi Zohar <zohar@xxxxxxxxxxxxxxxxxx>
> Cc: linux-integrity@xxxxxxxxxxxxxxx
> Link: http://kisskb.ellerman.id.au/kisskb/head/13396/
> Signed-off-by: James Morris <james.morris@xxxxxxxxxxxxx>
>
> And that is why I haven't noticed that.

I can jiggle things to prevent this, but the
security/integrity/digsig.c fix is actually in mainline now so things
should sort themselves out OK.