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From: Catalin Marinas <catalin.marinas@arm.com>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	kvm@vger.kernel.org, Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	dri-devel@lists.freedesktop.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Khalid Aziz <khalid.aziz@oracle.com>,
	"open list:KERNEL SELFTEST FRAMEWORK"
	<linux-kselftest@vger.kernel.org>,
	Felix Kuehling <Felix.Kuehling@amd.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Jacob Bramley <Jacob.Bramley@arm.com>,
	Leon Romanovsky <leon@kernel.org>,
	linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	Christoph Hellwig <hch@infradead.org>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Dmitry Vyukov <dvyukov@google.com>,
	Dave Martin <Dave.Martin@arm.com>,
	Evgeniy Stepanov <eugenis@google.com>,
	linux-media@vger.kerne
Subject: Re: [PATCH v16 02/16] arm64: untag user pointers in access_ok and __uaccess_mask_ptr
Date: Tue, 11 Jun 2019 18:39:04 +0100	[thread overview]
Message-ID: <20190611173903.4icrfmoyfvms35cy@mbp> (raw)
In-Reply-To: <CAAeHK+z5nSOOaGfehETzznNcMq5E5U+Eb1rZE16UVsT8FWT0Vg@mail.gmail.com>

On Tue, Jun 11, 2019 at 07:09:46PM +0200, Andrey Konovalov wrote:
> On Tue, Jun 11, 2019 at 4:57 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
> >
> > On Mon, Jun 10, 2019 at 06:53:27PM +0100, Catalin Marinas wrote:
> > > On Mon, Jun 03, 2019 at 06:55:04PM +0200, Andrey Konovalov wrote:
> > > > diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
> > > > index e5d5f31c6d36..9164ecb5feca 100644
> > > > --- a/arch/arm64/include/asm/uaccess.h
> > > > +++ b/arch/arm64/include/asm/uaccess.h
> > > > @@ -94,7 +94,7 @@ static inline unsigned long __range_ok(const void __user *addr, unsigned long si
> > > >     return ret;
> > > >  }
> > > >
> > > > -#define access_ok(addr, size)      __range_ok(addr, size)
> > > > +#define access_ok(addr, size)      __range_ok(untagged_addr(addr), size)
> > >
> > > I'm going to propose an opt-in method here (RFC for now). We can't have
> > > a check in untagged_addr() since this is already used throughout the
> > > kernel for both user and kernel addresses (khwasan) but we can add one
> > > in __range_ok(). The same prctl() option will be used for controlling
> > > the precise/imprecise mode of MTE later on. We can use a TIF_ flag here
> > > assuming that this will be called early on and any cloned thread will
> > > inherit this.
> >
> > Updated patch, inlining it below. Once we agreed on the approach, I
> > think Andrey can insert in in this series, probably after patch 2. The
> > differences from the one I posted yesterday:
> >
> > - renamed PR_* macros together with get/set variants and the possibility
> >   to disable the relaxed ABI
> >
> > - sysctl option - /proc/sys/abi/tagged_addr to disable the ABI globally
> >   (just the prctl() opt-in, tasks already using it won't be affected)
> >
> > And, of course, it needs more testing.
> 
> Sure, I'll add it to the series.
> 
> Should I drop access_ok() change from my patch, since yours just reverts it?

Not necessary, your patch just relaxes the ABI for all apps, mine
tightens it. You could instead move the untagging to __range_ok() and
rebase my patch accordingly.

-- 
Catalin

WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	kvm@vger.kernel.org, Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	dri-devel@lists.freedesktop.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Khalid Aziz <khalid.aziz@oracle.com>,
	"open list:KERNEL SELFTEST FRAMEWORK" 
	<linux-kselftest@vger.kernel.org>,
	Felix Kuehling <Felix.Kuehling@amd.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Jacob Bramley <Jacob.Bramley@arm.com>,
	Leon Romanovsky <leon@kernel.org>,
	linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	Christoph Hellwig <hch@infradead.org>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Dmitry Vyukov <dvyukov@google.com>,
	Dave Martin <Dave.Martin@arm.com>,
	Evgeniy Stepanov <eugenis@google.com>,
	linux-media@vger.kernel.org,
	Kevin Brodsky <kevin.brodsky@arm.com>,
	Kees Cook <keescook@chromium.org>,
	Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>,
	Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Kostya Serebryany <kcc@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Yishai Hadas <yishaih@mellanox.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Jens Wiklander <jens.wiklander@linaro.org>,
	Lee Smith <Lee.Smith@arm.com>,
	Alexander Deucher <Alexander.Deucher@amd.com>,
	Andrew Morton <akpm@linux-foundation.org>, enh <enh@google.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Christian Koenig <Christian.Koenig@amd.com>,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: Re: [PATCH v16 02/16] arm64: untag user pointers in access_ok and __uaccess_mask_ptr
Date: Tue, 11 Jun 2019 18:39:04 +0100	[thread overview]
Message-ID: <20190611173903.4icrfmoyfvms35cy@mbp> (raw)
In-Reply-To: <CAAeHK+z5nSOOaGfehETzznNcMq5E5U+Eb1rZE16UVsT8FWT0Vg@mail.gmail.com>

On Tue, Jun 11, 2019 at 07:09:46PM +0200, Andrey Konovalov wrote:
> On Tue, Jun 11, 2019 at 4:57 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
> >
> > On Mon, Jun 10, 2019 at 06:53:27PM +0100, Catalin Marinas wrote:
> > > On Mon, Jun 03, 2019 at 06:55:04PM +0200, Andrey Konovalov wrote:
> > > > diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
> > > > index e5d5f31c6d36..9164ecb5feca 100644
> > > > --- a/arch/arm64/include/asm/uaccess.h
> > > > +++ b/arch/arm64/include/asm/uaccess.h
> > > > @@ -94,7 +94,7 @@ static inline unsigned long __range_ok(const void __user *addr, unsigned long si
> > > >     return ret;
> > > >  }
> > > >
> > > > -#define access_ok(addr, size)      __range_ok(addr, size)
> > > > +#define access_ok(addr, size)      __range_ok(untagged_addr(addr), size)
> > >
> > > I'm going to propose an opt-in method here (RFC for now). We can't have
> > > a check in untagged_addr() since this is already used throughout the
> > > kernel for both user and kernel addresses (khwasan) but we can add one
> > > in __range_ok(). The same prctl() option will be used for controlling
> > > the precise/imprecise mode of MTE later on. We can use a TIF_ flag here
> > > assuming that this will be called early on and any cloned thread will
> > > inherit this.
> >
> > Updated patch, inlining it below. Once we agreed on the approach, I
> > think Andrey can insert in in this series, probably after patch 2. The
> > differences from the one I posted yesterday:
> >
> > - renamed PR_* macros together with get/set variants and the possibility
> >   to disable the relaxed ABI
> >
> > - sysctl option - /proc/sys/abi/tagged_addr to disable the ABI globally
> >   (just the prctl() opt-in, tasks already using it won't be affected)
> >
> > And, of course, it needs more testing.
> 
> Sure, I'll add it to the series.
> 
> Should I drop access_ok() change from my patch, since yours just reverts it?

Not necessary, your patch just relaxes the ABI for all apps, mine
tightens it. You could instead move the untagging to __range_ok() and
rebase my patch accordingly.

-- 
Catalin

WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	kvm@vger.kernel.org, Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	dri-devel@lists.freedesktop.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Khalid Aziz <khalid.aziz@oracle.com>,
	"open list:KERNEL SELFTEST FRAMEWORK"
	<linux-kselftest@vger.kernel.org>,
	Felix Kuehling <Felix.Kuehling@amd.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Jacob Bramley <Jacob.Bramley@arm.com>,
	Leon Romanovsky <leon@kernel.org>,
	linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	Christoph Hellwig <hch@infradead.org>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Dmitry Vyukov <dvyukov@google.com>,
	Dave Martin <Dave.Martin@arm.com>,
	Evgeniy Stepanov <eugenis@google.com>,
	linux-media@vger.kernel.org,
	Kevin Brodsky <kevin.brodsky@arm.com>,
	Kees Cook <keescook@chromium.org>,
	Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>,
	Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Kostya Serebryany <kcc@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Yishai Hadas <yishaih@mellanox.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Jens Wiklander <jens.wiklander@linaro.org>,
	Lee Smith <Lee.Smith@arm.com>,
	Alexander Deucher <Alexander.Deucher@amd.com>,
	Andrew Morton <akpm@linux-foundation.org>, enh <enh@google.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Christian Koenig <Christian.Koenig@amd.com>,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: Re: [PATCH v16 02/16] arm64: untag user pointers in access_ok and __uaccess_mask_ptr
Date: Tue, 11 Jun 2019 18:39:04 +0100	[thread overview]
Message-ID: <20190611173903.4icrfmoyfvms35cy@mbp> (raw)
In-Reply-To: <CAAeHK+z5nSOOaGfehETzznNcMq5E5U+Eb1rZE16UVsT8FWT0Vg@mail.gmail.com>

On Tue, Jun 11, 2019 at 07:09:46PM +0200, Andrey Konovalov wrote:
> On Tue, Jun 11, 2019 at 4:57 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
> >
> > On Mon, Jun 10, 2019 at 06:53:27PM +0100, Catalin Marinas wrote:
> > > On Mon, Jun 03, 2019 at 06:55:04PM +0200, Andrey Konovalov wrote:
> > > > diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
> > > > index e5d5f31c6d36..9164ecb5feca 100644
> > > > --- a/arch/arm64/include/asm/uaccess.h
> > > > +++ b/arch/arm64/include/asm/uaccess.h
> > > > @@ -94,7 +94,7 @@ static inline unsigned long __range_ok(const void __user *addr, unsigned long si
> > > >     return ret;
> > > >  }
> > > >
> > > > -#define access_ok(addr, size)      __range_ok(addr, size)
> > > > +#define access_ok(addr, size)      __range_ok(untagged_addr(addr), size)
> > >
> > > I'm going to propose an opt-in method here (RFC for now). We can't have
> > > a check in untagged_addr() since this is already used throughout the
> > > kernel for both user and kernel addresses (khwasan) but we can add one
> > > in __range_ok(). The same prctl() option will be used for controlling
> > > the precise/imprecise mode of MTE later on. We can use a TIF_ flag here
> > > assuming that this will be called early on and any cloned thread will
> > > inherit this.
> >
> > Updated patch, inlining it below. Once we agreed on the approach, I
> > think Andrey can insert in in this series, probably after patch 2. The
> > differences from the one I posted yesterday:
> >
> > - renamed PR_* macros together with get/set variants and the possibility
> >   to disable the relaxed ABI
> >
> > - sysctl option - /proc/sys/abi/tagged_addr to disable the ABI globally
> >   (just the prctl() opt-in, tasks already using it won't be affected)
> >
> > And, of course, it needs more testing.
> 
> Sure, I'll add it to the series.
> 
> Should I drop access_ok() change from my patch, since yours just reverts it?

Not necessary, your patch just relaxes the ABI for all apps, mine
tightens it. You could instead move the untagging to __range_ok() and
rebase my patch accordingly.

-- 
Catalin


WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Andrey Konovalov <andreyknvl@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	kvm@vger.kernel.org, Christian Koenig <Christian.Koenig@amd.com>,
	Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	dri-devel@lists.freedesktop.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Khalid Aziz <khalid.aziz@oracle.com>,
	Lee Smith <Lee.Smith@arm.com>,
	"open list:KERNEL SELFTEST FRAMEWORK"
	<linux-kselftest@vger.kernel.org>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Jacob Bramley <Jacob.Bramley@arm.com>,
	Leon Romanovsky <leon@kernel.org>,
	linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	Christoph Hellwig <hch@infradead.org>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>,
	Dave Martin <Dave.Martin@arm.com>,
	Evgeniy Stepanov <eugenis@google.com>,
	linux-media@vger.kernel.org, Kees Cook <keescook@chromium.org>,
	Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>,
	Kevin Brodsky <kevin.brodsky@arm.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Dmitry Vyukov <dvyukov@google.com>,
	Kostya Serebryany <kcc@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Felix Kuehling <Felix.Kuehling@amd.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Jens Wiklander <jens.wiklander@linaro.org>,
	Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>,
	Alexander Deucher <Alexander.Deucher@amd.com>,
	Andrew Morton <akpm@linux-foundation.org>, enh <enh@google.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Yishai Hadas <yishaih@mellanox.com>,
	Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Subject: Re: [PATCH v16 02/16] arm64: untag user pointers in access_ok and __uaccess_mask_ptr
Date: Tue, 11 Jun 2019 18:39:04 +0100	[thread overview]
Message-ID: <20190611173903.4icrfmoyfvms35cy@mbp> (raw)
In-Reply-To: <CAAeHK+z5nSOOaGfehETzznNcMq5E5U+Eb1rZE16UVsT8FWT0Vg@mail.gmail.com>

On Tue, Jun 11, 2019 at 07:09:46PM +0200, Andrey Konovalov wrote:
> On Tue, Jun 11, 2019 at 4:57 PM Catalin Marinas <catalin.marinas@arm.com> wrote:
> >
> > On Mon, Jun 10, 2019 at 06:53:27PM +0100, Catalin Marinas wrote:
> > > On Mon, Jun 03, 2019 at 06:55:04PM +0200, Andrey Konovalov wrote:
> > > > diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
> > > > index e5d5f31c6d36..9164ecb5feca 100644
> > > > --- a/arch/arm64/include/asm/uaccess.h
> > > > +++ b/arch/arm64/include/asm/uaccess.h
> > > > @@ -94,7 +94,7 @@ static inline unsigned long __range_ok(const void __user *addr, unsigned long si
> > > >     return ret;
> > > >  }
> > > >
> > > > -#define access_ok(addr, size)      __range_ok(addr, size)
> > > > +#define access_ok(addr, size)      __range_ok(untagged_addr(addr), size)
> > >
> > > I'm going to propose an opt-in method here (RFC for now). We can't have
> > > a check in untagged_addr() since this is already used throughout the
> > > kernel for both user and kernel addresses (khwasan) but we can add one
> > > in __range_ok(). The same prctl() option will be used for controlling
> > > the precise/imprecise mode of MTE later on. We can use a TIF_ flag here
> > > assuming that this will be called early on and any cloned thread will
> > > inherit this.
> >
> > Updated patch, inlining it below. Once we agreed on the approach, I
> > think Andrey can insert in in this series, probably after patch 2. The
> > differences from the one I posted yesterday:
> >
> > - renamed PR_* macros together with get/set variants and the possibility
> >   to disable the relaxed ABI
> >
> > - sysctl option - /proc/sys/abi/tagged_addr to disable the ABI globally
> >   (just the prctl() opt-in, tasks already using it won't be affected)
> >
> > And, of course, it needs more testing.
> 
> Sure, I'll add it to the series.
> 
> Should I drop access_ok() change from my patch, since yours just reverts it?

Not necessary, your patch just relaxes the ABI for all apps, mine
tightens it. You could instead move the untagging to __range_ok() and
rebase my patch accordingly.

-- 
Catalin

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2019-06-11 17:39 UTC|newest]

Thread overview: 356+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-03 16:55 [PATCH v16 00/16] arm64: untag user pointers passed to the kernel Andrey Konovalov
2019-06-03 16:55 ` Andrey Konovalov
2019-06-03 16:55 ` Andrey Konovalov
2019-06-03 16:55 ` Andrey Konovalov
2019-06-03 16:55 ` andreyknvl
2019-06-03 16:55 ` Andrey Konovalov
2019-06-03 16:55 ` [PATCH v16 01/16] uaccess: add untagged_addr definition for other arches Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 17:02   ` Khalid Aziz
2019-06-03 17:02     ` Khalid Aziz
2019-06-03 17:02     ` Khalid Aziz
2019-06-03 17:02     ` khalid.aziz
2019-06-03 17:02     ` Khalid Aziz
2019-06-03 17:06     ` Andrey Konovalov
2019-06-03 17:06       ` Andrey Konovalov
2019-06-03 17:06       ` Andrey Konovalov
2019-06-03 17:06       ` Andrey Konovalov
2019-06-03 17:06       ` andreyknvl
2019-06-03 17:06       ` Andrey Konovalov
2019-06-03 17:24       ` Khalid Aziz
2019-06-03 17:24         ` Khalid Aziz
2019-06-03 17:24         ` Khalid Aziz
2019-06-03 17:24         ` Khalid Aziz
2019-06-03 17:24         ` khalid.aziz
2019-06-03 17:24         ` Khalid Aziz
2019-06-03 17:29         ` Christoph Hellwig
2019-06-03 17:29           ` Christoph Hellwig
2019-06-03 17:29           ` Christoph Hellwig
2019-06-03 17:29           ` Christoph Hellwig
2019-06-03 17:29           ` hch
2019-06-03 17:29           ` Christoph Hellwig
2019-06-03 18:17           ` Khalid Aziz
2019-06-03 18:17             ` Khalid Aziz
2019-06-03 18:17             ` Khalid Aziz
2019-06-03 18:17             ` Khalid Aziz
2019-06-03 18:17             ` khalid.aziz
2019-06-03 18:17             ` Khalid Aziz
2019-06-04 11:45             ` Andrey Konovalov
2019-06-04 11:45               ` Andrey Konovalov
2019-06-04 11:45               ` Andrey Konovalov
2019-06-04 11:45               ` Andrey Konovalov
2019-06-04 11:45               ` andreyknvl
2019-06-04 11:45               ` Andrey Konovalov
2019-06-03 16:55 ` [PATCH v16 02/16] arm64: untag user pointers in access_ok and __uaccess_mask_ptr Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:51   ` Kees Cook
2019-06-08  3:51     ` Kees Cook
2019-06-08  3:51     ` Kees Cook
2019-06-08  3:51     ` keescook
2019-06-08  3:51     ` Kees Cook
2019-06-10 17:53   ` Catalin Marinas
2019-06-10 17:53     ` Catalin Marinas
2019-06-10 17:53     ` Catalin Marinas
2019-06-10 17:53     ` catalin.marinas
2019-06-10 17:53     ` Catalin Marinas
2019-06-10 18:07     ` Kees Cook
2019-06-10 18:07       ` Kees Cook
2019-06-10 18:07       ` Kees Cook
2019-06-10 18:07       ` keescook
2019-06-10 18:07       ` Kees Cook
2019-06-10 18:53       ` Catalin Marinas
2019-06-10 18:53         ` Catalin Marinas
2019-06-10 18:53         ` Catalin Marinas
2019-06-10 18:53         ` catalin.marinas
2019-06-10 18:53         ` Catalin Marinas
2019-06-10 20:36         ` Kees Cook
2019-06-10 20:36           ` Kees Cook
2019-06-10 20:36           ` Kees Cook
2019-06-10 20:36           ` keescook
2019-06-10 20:36           ` Kees Cook
2019-06-11 14:57     ` Catalin Marinas
2019-06-11 14:57       ` Catalin Marinas
2019-06-11 14:57       ` Catalin Marinas
2019-06-11 17:09       ` Vincenzo Frascino
2019-06-11 17:09         ` Vincenzo Frascino
2019-06-11 17:09         ` Vincenzo Frascino
2019-06-12  9:32         ` Catalin Marinas
2019-06-12  9:32           ` Catalin Marinas
2019-06-12  9:32           ` Catalin Marinas
2019-06-12 11:52           ` Vincenzo Frascino
2019-06-12 11:52             ` Vincenzo Frascino
2019-06-12 11:52             ` Vincenzo Frascino
2019-06-11 17:09       ` Andrey Konovalov
2019-06-11 17:09         ` Andrey Konovalov
2019-06-11 17:09         ` Andrey Konovalov
2019-06-11 17:09         ` Andrey Konovalov
2019-06-11 17:39         ` Catalin Marinas [this message]
2019-06-11 17:39           ` Catalin Marinas
2019-06-11 17:39           ` Catalin Marinas
2019-06-11 17:39           ` Catalin Marinas
2019-06-12 11:03           ` Andrey Konovalov
2019-06-12 11:03             ` Andrey Konovalov
2019-06-12 11:03             ` Andrey Konovalov
2019-06-12 11:03             ` Andrey Konovalov
2019-06-12 11:04             ` Catalin Marinas
2019-06-12 11:04               ` Catalin Marinas
2019-06-12 11:04               ` Catalin Marinas
2019-06-12 11:04               ` Catalin Marinas
2019-06-03 16:55 ` [PATCH v16 03/16] lib, arm64: untag user pointers in strn*_user Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:48   ` Kees Cook
2019-06-08  3:48     ` Kees Cook
2019-06-08  3:48     ` Kees Cook
2019-06-08  3:48     ` keescook
2019-06-08  3:48     ` Kees Cook
2019-06-11 20:06   ` Khalid Aziz
2019-06-11 20:06     ` Khalid Aziz
2019-06-11 20:06     ` Khalid Aziz
2019-06-03 16:55 ` [PATCH v16 04/16] mm: untag user pointers in do_pages_move Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:49   ` Kees Cook
2019-06-08  3:49     ` Kees Cook
2019-06-08  3:49     ` Kees Cook
2019-06-08  3:49     ` keescook
2019-06-08  3:49     ` Kees Cook
2019-06-11 20:18   ` Khalid Aziz
2019-06-11 20:18     ` Khalid Aziz
2019-06-11 20:18     ` Khalid Aziz
2019-06-12 11:08     ` Andrey Konovalov
2019-06-12 11:08       ` Andrey Konovalov
2019-06-12 11:08       ` Andrey Konovalov
2019-06-12 11:08       ` Andrey Konovalov
2019-06-03 16:55 ` [PATCH v16 05/16] arm64: untag user pointers passed to memory syscalls Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:51   ` Kees Cook
2019-06-08  3:51     ` Kees Cook
2019-06-08  3:51     ` Kees Cook
2019-06-08  3:51     ` keescook
2019-06-08  3:51     ` Kees Cook
2019-06-10 14:28   ` Catalin Marinas
2019-06-10 14:28     ` Catalin Marinas
2019-06-10 14:28     ` Catalin Marinas
2019-06-10 14:28     ` catalin.marinas
2019-06-10 14:28     ` Catalin Marinas
2019-06-11 15:35     ` Andrey Konovalov
2019-06-11 15:35       ` Andrey Konovalov
2019-06-11 15:35       ` Andrey Konovalov
2019-06-11 15:35       ` Andrey Konovalov
2019-06-11 17:44       ` Catalin Marinas
2019-06-11 17:44         ` Catalin Marinas
2019-06-11 17:44         ` Catalin Marinas
2019-06-11 17:44         ` Catalin Marinas
2019-06-12 11:13         ` Andrey Konovalov
2019-06-12 11:13           ` Andrey Konovalov
2019-06-12 11:13           ` Andrey Konovalov
2019-06-12 11:13           ` Andrey Konovalov
2019-06-03 16:55 ` [PATCH v16 06/16] mm, arm64: untag user pointers in mm/gup.c Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:59   ` Kees Cook
2019-06-08  3:59     ` Kees Cook
2019-06-08  3:59     ` Kees Cook
2019-06-08  3:59     ` keescook
2019-06-08  3:59     ` Kees Cook
2019-06-03 16:55 ` [PATCH v16 07/16] mm, arm64: untag user pointers in get_vaddr_frames Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  4:00   ` Kees Cook
2019-06-08  4:00     ` Kees Cook
2019-06-08  4:00     ` Kees Cook
2019-06-08  4:00     ` keescook
2019-06-08  4:00     ` Kees Cook
2019-06-10 14:29   ` Catalin Marinas
2019-06-10 14:29     ` Catalin Marinas
2019-06-10 14:29     ` Catalin Marinas
2019-06-10 14:29     ` catalin.marinas
2019-06-10 14:29     ` Catalin Marinas
2019-06-03 16:55 ` [PATCH v16 08/16] fs, arm64: untag user pointers in copy_mount_options Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  4:02   ` Kees Cook
2019-06-08  4:02     ` Kees Cook
2019-06-08  4:02     ` Kees Cook
2019-06-08  4:02     ` keescook
2019-06-08  4:02     ` Kees Cook
2019-06-11 14:38     ` Andrey Konovalov
2019-06-11 14:38       ` Andrey Konovalov
2019-06-11 14:38       ` Andrey Konovalov
2019-06-11 14:38       ` Andrey Konovalov
2019-06-12 11:36       ` Andrey Konovalov
2019-06-12 11:36         ` Andrey Konovalov
2019-06-12 11:36         ` Andrey Konovalov
2019-06-12 11:36         ` Andrey Konovalov
2019-06-03 16:55 ` [PATCH v16 09/16] fs, arm64: untag user pointers in fs/userfaultfd.c Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  4:03   ` Kees Cook
2019-06-08  4:03     ` Kees Cook
2019-06-08  4:03     ` Kees Cook
2019-06-08  4:03     ` keescook
2019-06-08  4:03     ` Kees Cook
2019-06-12 10:45   ` Catalin Marinas
2019-06-12 10:45     ` Catalin Marinas
2019-06-12 10:45     ` Catalin Marinas
2019-06-03 16:55 ` [PATCH v16 10/16] drm/amdgpu, arm64: untag user pointers Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55 ` [PATCH v16 11/16] drm/radeon, arm64: untag user pointers in radeon_gem_userptr_ioctl Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55 ` [PATCH v16 12/16] IB, arm64: untag user pointers in ib_uverbs_(re)reg_mr() Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 17:46   ` Jason Gunthorpe
2019-06-03 17:46     ` Jason Gunthorpe
2019-06-03 17:46     ` Jason Gunthorpe
2019-06-03 17:46     ` jgg
2019-06-03 17:46     ` Jason Gunthorpe
2019-06-04 12:18     ` Andrey Konovalov
2019-06-04 12:18       ` Andrey Konovalov
2019-06-04 12:18       ` Andrey Konovalov
2019-06-04 12:18       ` Andrey Konovalov
2019-06-04 12:18       ` andreyknvl
2019-06-04 12:18       ` Andrey Konovalov
2019-06-04 12:27       ` Jason Gunthorpe
2019-06-04 12:27         ` Jason Gunthorpe
2019-06-04 12:27         ` Jason Gunthorpe
2019-06-04 12:27         ` Jason Gunthorpe
2019-06-04 12:27         ` jgg
2019-06-04 12:27         ` Jason Gunthorpe
2019-06-04 12:45         ` Andrey Konovalov
2019-06-04 12:45           ` Andrey Konovalov
2019-06-04 12:45           ` Andrey Konovalov
2019-06-04 12:45           ` Andrey Konovalov
2019-06-04 12:45           ` andreyknvl
2019-06-04 12:45           ` Andrey Konovalov
2019-06-04 13:02           ` Jason Gunthorpe
2019-06-04 13:02             ` Jason Gunthorpe
2019-06-04 13:02             ` Jason Gunthorpe
2019-06-04 13:02             ` Jason Gunthorpe
2019-06-04 13:02             ` jgg
2019-06-04 13:02             ` Jason Gunthorpe
2019-06-04 13:09             ` Andrey Konovalov
2019-06-04 13:09               ` Andrey Konovalov
2019-06-04 13:09               ` Andrey Konovalov
2019-06-04 13:09               ` Andrey Konovalov
2019-06-04 13:09               ` andreyknvl
2019-06-04 13:09               ` Andrey Konovalov
2019-06-12 11:01               ` Catalin Marinas
2019-06-12 11:01                 ` Catalin Marinas
2019-06-12 11:01                 ` Catalin Marinas
2019-06-12 11:01                 ` Catalin Marinas
2019-06-03 16:55 ` [PATCH v16 13/16] media/v4l2-core, arm64: untag user pointers in videobuf_dma_contig_user_get Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:52   ` Kees Cook
2019-06-08  3:52     ` Kees Cook
2019-06-08  3:52     ` Kees Cook
2019-06-08  3:52     ` keescook
2019-06-08  3:52     ` Kees Cook
2019-06-03 16:55 ` [PATCH v16 14/16] tee, arm64: untag user pointers in tee_shm_register Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-07  5:33   ` Jens Wiklander
2019-06-07  5:33     ` Jens Wiklander
2019-06-07  5:33     ` Jens Wiklander
2019-06-07  5:33     ` Jens Wiklander
2019-06-07  5:33     ` jens.wiklander
2019-06-07  5:33     ` Jens Wiklander
2019-06-08  4:05   ` Kees Cook
2019-06-08  4:05     ` Kees Cook
2019-06-08  4:05     ` Kees Cook
2019-06-08  4:05     ` keescook
2019-06-08  4:05     ` Kees Cook
2019-06-03 16:55 ` [PATCH v16 15/16] vfio/type1, arm64: untag user pointers in vaddr_get_pfn Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:58   ` Kees Cook
2019-06-08  3:58     ` Kees Cook
2019-06-08  3:58     ` Kees Cook
2019-06-08  3:58     ` keescook
2019-06-08  3:58     ` Kees Cook
2019-06-12 10:38   ` Catalin Marinas
2019-06-12 10:38     ` Catalin Marinas
2019-06-12 10:38     ` Catalin Marinas
2019-06-03 16:55 ` [PATCH v16 16/16] selftests, arm64: add a selftest for passing tagged pointers to kernel Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` Andrey Konovalov
2019-06-03 16:55   ` andreyknvl
2019-06-03 16:55   ` Andrey Konovalov
2019-06-08  3:56   ` Kees Cook
2019-06-08  3:56     ` Kees Cook
2019-06-08  3:56     ` Kees Cook
2019-06-08  3:56     ` keescook
2019-06-08  3:56     ` Kees Cook
2019-06-10 22:08     ` shuah
2019-06-10 22:08       ` shuah
2019-06-10 22:08       ` shuah
2019-06-10 22:08       ` shuah
2019-06-10 22:08       ` shuah
2019-06-11 15:01   ` Catalin Marinas
2019-06-11 15:01     ` Catalin Marinas
2019-06-11 15:01     ` Catalin Marinas
2019-06-11 17:18     ` Andrey Konovalov
2019-06-11 17:18       ` Andrey Konovalov
2019-06-11 17:18       ` Andrey Konovalov
2019-06-11 17:18       ` Andrey Konovalov
2019-06-11 17:50       ` Catalin Marinas
2019-06-11 17:50         ` Catalin Marinas
2019-06-11 17:50         ` Catalin Marinas
2019-06-11 17:50         ` Catalin Marinas
2019-06-12 11:14         ` Andrey Konovalov
2019-06-12 11:14           ` Andrey Konovalov
2019-06-12 11:14           ` Andrey Konovalov
2019-06-12 11:14           ` Andrey Konovalov

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