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Date:   Tue, 24 Oct 2017 06:58:09 +0000
From:   "Reshetova, Elena" <elena.reshetova@...el.com>
To:     Julian Wiedmann <jwi@...ux.vnet.ibm.com>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "schwidefsky@...ibm.com" <schwidefsky@...ibm.com>,
        "heiko.carstens@...ibm.com" <heiko.carstens@...ibm.com>,
        "ubraun@...ux.vnet.ibm.com" <ubraun@...ux.vnet.ibm.com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "keescook@...omium.org" <keescook@...omium.org>
Subject: RE: [PATCH 0/3] s390 refcount conversions

> On 10/20/2017 09:47 AM, Elena Reshetova wrote:
> > This series, for S390, replaces atomic_t reference
> > counters with the new refcount_t type and API (see include/linux/refcount.h).
> > By doing this we prevent intentional or accidental
> > underflows or overflows that can led to use-after-free vulnerabilities.
> >
> > The patches are fully independent and can be cherry-picked separately.
> > Patches are based on top of linux-next as of yesterday.
> > If there are no objections to the patches, please merge them via respective trees
> >
> > Elena Reshetova (3):
> >   [S390] vmur: convert urdev.ref_count from atomic_t to refcount_t
> >   [S390] net: convert lcs_reply.refcnt from atomic_t to refcount_t
> >   [S390] qeth: convert qeth_reply.refcnt from atomic_t to refcount_t
> >
> >  drivers/s390/char/vmur.c          |  8 ++++----
> >  drivers/s390/char/vmur.h          |  4 +++-
> >  drivers/s390/net/lcs.c            | 10 +++++-----
> >  drivers/s390/net/lcs.h            |  3 ++-
> >  drivers/s390/net/qeth_core.h      |  3 ++-
> >  drivers/s390/net/qeth_core_main.c | 10 +++++-----
> >  6 files changed, 21 insertions(+), 17 deletions(-)
> >
> Thanks Elena, I picked up the two network patches. Also removed the WARN_ONs
> while applying,
> those who care may use CONFIG_REFCOUNT_FULL.

Thank you Julian! I had them first removed also, but since we got x86 that doesn't 
WARN in these cases, I put them back just to make sure I don't make any
unexpected changes.  

Do you know who would be the correct person to take the last patch? 

Best Regards,
Elena


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