All of lore.kernel.org
 help / color / mirror / Atom feed
From: Kees Cook <keescook@chromium.org>
To: Laura Abbott <labbott@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Balbir Singh <bsingharora@gmail.com>,
	Daniel Micay <danielmicay@gmail.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	Casey Schaufler <casey@schaufler-ca.com>,
	PaX Team <pageexec@freemail.hu>,
	Brad Spengler <spender@grsecurity.net>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	"x86@kernel.org" <x86@kernel.org>,
	Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@suse.de>,
	Mathias Krause <minipli@googlemail.com>, Jan Kara <jack@suse.cz>,
	Vitaly Wool <vitalywool@gmail.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Laura Abbott <labbott@fedoraproject.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	linux-ia64@vger.kernel.org,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	"kernel-hardening@lists.openwall.com" 
	<kernel-hardening@lists.openwall.com>
Subject: Re: [PATCH v3 02/11] mm: Hardened usercopy
Date: Tue, 19 Jul 2016 15:55:54 -0700	[thread overview]
Message-ID: <CAGXu5j+0RryPNbSeEYcn6o9zTqz4DKZV3XCuRVuus_X9oUfmww@mail.gmail.com> (raw)
In-Reply-To: <CAGXu5jJqo55G0tHzbdobEg_rjKvFONQRk7mkPq1JXOd-Hneipw@mail.gmail.com>

On Tue, Jul 19, 2016 at 12:12 PM, Kees Cook <keescook@chromium.org> wrote:
> On Mon, Jul 18, 2016 at 6:52 PM, Laura Abbott <labbott@redhat.com> wrote:
>> On 07/15/2016 02:44 PM, Kees Cook wrote:
>>> +static inline const char *check_heap_object(const void *ptr, unsigned
>>> long n,
>>> +                                           bool to_user)
>>> +{
>>> +       struct page *page, *endpage;
>>> +       const void *end = ptr + n - 1;
>>> +
>>> +       if (!virt_addr_valid(ptr))
>>> +               return NULL;
>>> +
>>
>>
>> virt_addr_valid returns true on vmalloc addresses on arm64 which causes some
>> intermittent false positives (tab completion in a qemu buildroot environment
>> was showing it fairly reliably). I think this is an arm64 bug because
>> virt_addr_valid should return true if and only if virt_to_page returns the
>> corresponding page. We can work around this for now by explicitly
>> checking against is_vmalloc_addr.
>
> Hrm, that's weird. Sounds like a bug too, but I'll add a check for
> is_vmalloc_addr() to catch it for now.

BTW, if you were testing against -next, KASAN moved things around in
copy_*_user() in a way I wasn't expecting (__copy* and copy* now both
call __arch_copy* instead of copy* calling __copy*). I'll have this
fixed in the next version.

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Laura Abbott <labbott@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Balbir Singh <bsingharora@gmail.com>,
	Daniel Micay <danielmicay@gmail.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	Casey Schaufler <casey@schaufler-ca.com>,
	PaX Team <pageexec@freemail.hu>,
	Brad Spengler <spender@grsecurity.net>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	"x86@kernel.org" <x86@kernel.org>,
	Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.or>
Subject: Re: [PATCH v3 02/11] mm: Hardened usercopy
Date: Tue, 19 Jul 2016 15:55:54 -0700	[thread overview]
Message-ID: <CAGXu5j+0RryPNbSeEYcn6o9zTqz4DKZV3XCuRVuus_X9oUfmww@mail.gmail.com> (raw)
In-Reply-To: <CAGXu5jJqo55G0tHzbdobEg_rjKvFONQRk7mkPq1JXOd-Hneipw@mail.gmail.com>

On Tue, Jul 19, 2016 at 12:12 PM, Kees Cook <keescook@chromium.org> wrote:
> On Mon, Jul 18, 2016 at 6:52 PM, Laura Abbott <labbott@redhat.com> wrote:
>> On 07/15/2016 02:44 PM, Kees Cook wrote:
>>> +static inline const char *check_heap_object(const void *ptr, unsigned
>>> long n,
>>> +                                           bool to_user)
>>> +{
>>> +       struct page *page, *endpage;
>>> +       const void *end = ptr + n - 1;
>>> +
>>> +       if (!virt_addr_valid(ptr))
>>> +               return NULL;
>>> +
>>
>>
>> virt_addr_valid returns true on vmalloc addresses on arm64 which causes some
>> intermittent false positives (tab completion in a qemu buildroot environment
>> was showing it fairly reliably). I think this is an arm64 bug because
>> virt_addr_valid should return true if and only if virt_to_page returns the
>> corresponding page. We can work around this for now by explicitly
>> checking against is_vmalloc_addr.
>
> Hrm, that's weird. Sounds like a bug too, but I'll add a check for
> is_vmalloc_addr() to catch it for now.

BTW, if you were testing against -next, KASAN moved things around in
copy_*_user() in a way I wasn't expecting (__copy* and copy* now both
call __arch_copy* instead of copy* calling __copy*). I'll have this
fixed in the next version.

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Laura Abbott <labbott@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Balbir Singh <bsingharora@gmail.com>,
	Daniel Micay <danielmicay@gmail.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	Casey Schaufler <casey@schaufler-ca.com>,
	PaX Team <pageexec@freemail.hu>,
	Brad Spengler <spender@grsecurity.net>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	"x86@kernel.org" <x86@kernel.org>,
	Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@suse.de>,
	Mathias Krause <minipli@googlemail.com>, Jan Kara <jack@suse.cz>,
	Vitaly Wool <vitalywool@gmail.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Laura Abbott <labbott@fedoraproject.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	linux-ia64@vger.kernel.org,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>
Subject: Re: [PATCH v3 02/11] mm: Hardened usercopy
Date: Tue, 19 Jul 2016 22:55:54 +0000	[thread overview]
Message-ID: <CAGXu5j+0RryPNbSeEYcn6o9zTqz4DKZV3XCuRVuus_X9oUfmww@mail.gmail.com> (raw)
In-Reply-To: <CAGXu5jJqo55G0tHzbdobEg_rjKvFONQRk7mkPq1JXOd-Hneipw@mail.gmail.com>

On Tue, Jul 19, 2016 at 12:12 PM, Kees Cook <keescook@chromium.org> wrote:
> On Mon, Jul 18, 2016 at 6:52 PM, Laura Abbott <labbott@redhat.com> wrote:
>> On 07/15/2016 02:44 PM, Kees Cook wrote:
>>> +static inline const char *check_heap_object(const void *ptr, unsigned
>>> long n,
>>> +                                           bool to_user)
>>> +{
>>> +       struct page *page, *endpage;
>>> +       const void *end = ptr + n - 1;
>>> +
>>> +       if (!virt_addr_valid(ptr))
>>> +               return NULL;
>>> +
>>
>>
>> virt_addr_valid returns true on vmalloc addresses on arm64 which causes some
>> intermittent false positives (tab completion in a qemu buildroot environment
>> was showing it fairly reliably). I think this is an arm64 bug because
>> virt_addr_valid should return true if and only if virt_to_page returns the
>> corresponding page. We can work around this for now by explicitly
>> checking against is_vmalloc_addr.
>
> Hrm, that's weird. Sounds like a bug too, but I'll add a check for
> is_vmalloc_addr() to catch it for now.

BTW, if you were testing against -next, KASAN moved things around in
copy_*_user() in a way I wasn't expecting (__copy* and copy* now both
call __arch_copy* instead of copy* calling __copy*). I'll have this
fixed in the next version.

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Laura Abbott <labbott@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Balbir Singh <bsingharora@gmail.com>,
	Daniel Micay <danielmicay@gmail.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	Casey Schaufler <casey@schaufler-ca.com>,
	PaX Team <pageexec@freemail.hu>,
	Brad Spengler <spender@grsecurity.net>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	"x86@kernel.org" <x86@kernel.org>,
	Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@suse.de>,
	Mathias Krause <minipli@googlemail.com>, Jan Kara <jack@suse.cz>,
	Vitaly Wool <vitalywool@gmail.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Laura Abbott <labbott@fedoraproject.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	linux-ia64@vger.kernel.org,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>
Subject: Re: [PATCH v3 02/11] mm: Hardened usercopy
Date: Tue, 19 Jul 2016 15:55:54 -0700	[thread overview]
Message-ID: <CAGXu5j+0RryPNbSeEYcn6o9zTqz4DKZV3XCuRVuus_X9oUfmww@mail.gmail.com> (raw)
In-Reply-To: <CAGXu5jJqo55G0tHzbdobEg_rjKvFONQRk7mkPq1JXOd-Hneipw@mail.gmail.com>

On Tue, Jul 19, 2016 at 12:12 PM, Kees Cook <keescook@chromium.org> wrote:
> On Mon, Jul 18, 2016 at 6:52 PM, Laura Abbott <labbott@redhat.com> wrote:
>> On 07/15/2016 02:44 PM, Kees Cook wrote:
>>> +static inline const char *check_heap_object(const void *ptr, unsigned
>>> long n,
>>> +                                           bool to_user)
>>> +{
>>> +       struct page *page, *endpage;
>>> +       const void *end = ptr + n - 1;
>>> +
>>> +       if (!virt_addr_valid(ptr))
>>> +               return NULL;
>>> +
>>
>>
>> virt_addr_valid returns true on vmalloc addresses on arm64 which causes some
>> intermittent false positives (tab completion in a qemu buildroot environment
>> was showing it fairly reliably). I think this is an arm64 bug because
>> virt_addr_valid should return true if and only if virt_to_page returns the
>> corresponding page. We can work around this for now by explicitly
>> checking against is_vmalloc_addr.
>
> Hrm, that's weird. Sounds like a bug too, but I'll add a check for
> is_vmalloc_addr() to catch it for now.

BTW, if you were testing against -next, KASAN moved things around in
copy_*_user() in a way I wasn't expecting (__copy* and copy* now both
call __arch_copy* instead of copy* calling __copy*). I'll have this
fixed in the next version.

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

WARNING: multiple messages have this Message-ID (diff)
From: keescook@chromium.org (Kees Cook)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 02/11] mm: Hardened usercopy
Date: Tue, 19 Jul 2016 15:55:54 -0700	[thread overview]
Message-ID: <CAGXu5j+0RryPNbSeEYcn6o9zTqz4DKZV3XCuRVuus_X9oUfmww@mail.gmail.com> (raw)
In-Reply-To: <CAGXu5jJqo55G0tHzbdobEg_rjKvFONQRk7mkPq1JXOd-Hneipw@mail.gmail.com>

On Tue, Jul 19, 2016 at 12:12 PM, Kees Cook <keescook@chromium.org> wrote:
> On Mon, Jul 18, 2016 at 6:52 PM, Laura Abbott <labbott@redhat.com> wrote:
>> On 07/15/2016 02:44 PM, Kees Cook wrote:
>>> +static inline const char *check_heap_object(const void *ptr, unsigned
>>> long n,
>>> +                                           bool to_user)
>>> +{
>>> +       struct page *page, *endpage;
>>> +       const void *end = ptr + n - 1;
>>> +
>>> +       if (!virt_addr_valid(ptr))
>>> +               return NULL;
>>> +
>>
>>
>> virt_addr_valid returns true on vmalloc addresses on arm64 which causes some
>> intermittent false positives (tab completion in a qemu buildroot environment
>> was showing it fairly reliably). I think this is an arm64 bug because
>> virt_addr_valid should return true if and only if virt_to_page returns the
>> corresponding page. We can work around this for now by explicitly
>> checking against is_vmalloc_addr.
>
> Hrm, that's weird. Sounds like a bug too, but I'll add a check for
> is_vmalloc_addr() to catch it for now.

BTW, if you were testing against -next, KASAN moved things around in
copy_*_user() in a way I wasn't expecting (__copy* and copy* now both
call __arch_copy* instead of copy* calling __copy*). I'll have this
fixed in the next version.

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

WARNING: multiple messages have this Message-ID (diff)
From: Kees Cook <keescook@chromium.org>
To: Laura Abbott <labbott@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Balbir Singh <bsingharora@gmail.com>,
	Daniel Micay <danielmicay@gmail.com>,
	Josh Poimboeuf <jpoimboe@redhat.com>,
	Rik van Riel <riel@redhat.com>,
	Casey Schaufler <casey@schaufler-ca.com>,
	PaX Team <pageexec@freemail.hu>,
	Brad Spengler <spender@grsecurity.net>,
	Russell King <linux@armlinux.org.uk>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Michael Ellerman <mpe@ellerman.id.au>,
	Tony Luck <tony.luck@intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	"David S. Miller" <davem@davemloft.net>,
	"x86@kernel.org" <x86@kernel.org>,
	Christoph Lameter <cl@linux.com>,
	Pekka Enberg <penberg@kernel.org>,
	David Rientjes <rientjes@google.com>,
	Joonsoo Kim <iamjoonsoo.kim@lge.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Andy Lutomirski <luto@kernel.org>, Borislav Petkov <bp@suse.de>,
	Mathias Krause <minipli@googlemail.com>, Jan Kara <jack@suse.cz>,
	Vitaly Wool <vitalywool@gmail.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Laura Abbott <labbott@fedoraproject.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	linux-ia64@vger.kernel.org,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	sparclinux <sparclinux@vger.kernel.org>,
	linux-arch <linux-arch@vger.kernel.org>,
	Linux-MM <linux-mm@kvack.org>,
	"kernel-hardening@lists.openwall.com"
	<kernel-hardening@lists.openwall.com>
Subject: [kernel-hardening] Re: [PATCH v3 02/11] mm: Hardened usercopy
Date: Tue, 19 Jul 2016 15:55:54 -0700	[thread overview]
Message-ID: <CAGXu5j+0RryPNbSeEYcn6o9zTqz4DKZV3XCuRVuus_X9oUfmww@mail.gmail.com> (raw)
In-Reply-To: <CAGXu5jJqo55G0tHzbdobEg_rjKvFONQRk7mkPq1JXOd-Hneipw@mail.gmail.com>

On Tue, Jul 19, 2016 at 12:12 PM, Kees Cook <keescook@chromium.org> wrote:
> On Mon, Jul 18, 2016 at 6:52 PM, Laura Abbott <labbott@redhat.com> wrote:
>> On 07/15/2016 02:44 PM, Kees Cook wrote:
>>> +static inline const char *check_heap_object(const void *ptr, unsigned
>>> long n,
>>> +                                           bool to_user)
>>> +{
>>> +       struct page *page, *endpage;
>>> +       const void *end = ptr + n - 1;
>>> +
>>> +       if (!virt_addr_valid(ptr))
>>> +               return NULL;
>>> +
>>
>>
>> virt_addr_valid returns true on vmalloc addresses on arm64 which causes some
>> intermittent false positives (tab completion in a qemu buildroot environment
>> was showing it fairly reliably). I think this is an arm64 bug because
>> virt_addr_valid should return true if and only if virt_to_page returns the
>> corresponding page. We can work around this for now by explicitly
>> checking against is_vmalloc_addr.
>
> Hrm, that's weird. Sounds like a bug too, but I'll add a check for
> is_vmalloc_addr() to catch it for now.

BTW, if you were testing against -next, KASAN moved things around in
copy_*_user() in a way I wasn't expecting (__copy* and copy* now both
call __arch_copy* instead of copy* calling __copy*). I'll have this
fixed in the next version.

-Kees

-- 
Kees Cook
Chrome OS & Brillo Security

  reply	other threads:[~2016-07-19 22:56 UTC|newest]

Thread overview: 257+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-15 21:44 [PATCH v3 00/11] mm: Hardened usercopy Kees Cook
2016-07-15 21:44 ` [kernel-hardening] " Kees Cook
2016-07-15 21:44 ` Kees Cook
2016-07-15 21:44 ` Kees Cook
2016-07-15 21:44 ` Kees Cook
2016-07-15 21:44 ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 01/11] mm: Implement stack frame object validation Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 02/11] mm: Hardened usercopy Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-19  1:06   ` Laura Abbott
2016-07-19  1:06     ` [kernel-hardening] " Laura Abbott
2016-07-19  1:06     ` Laura Abbott
2016-07-19  1:06     ` Laura Abbott
2016-07-19  1:06     ` Laura Abbott
2016-07-19  1:06     ` Laura Abbott
2016-07-19 18:48     ` Kees Cook
2016-07-19 18:48       ` [kernel-hardening] " Kees Cook
2016-07-19 18:48       ` Kees Cook
2016-07-19 18:48       ` Kees Cook
2016-07-19 18:48       ` Kees Cook
2016-07-19 18:48       ` Kees Cook
2016-07-19 18:48       ` Kees Cook
2016-07-19 22:00       ` [PATCH] mm: Add is_migrate_cma_page Laura Abbott
2016-07-19 22:00         ` [kernel-hardening] " Laura Abbott
2016-07-19 22:00         ` Laura Abbott
2016-07-19 22:00         ` Laura Abbott
2016-07-19 22:00         ` Laura Abbott
2016-07-19 22:00         ` Laura Abbott
2016-07-19 22:40         ` Kees Cook
2016-07-19 22:40           ` [kernel-hardening] " Kees Cook
2016-07-19 22:40           ` Kees Cook
2016-07-19 22:40           ` Kees Cook
2016-07-19 22:40           ` Kees Cook
2016-07-19 22:40           ` Kees Cook
2016-07-19 22:40           ` Kees Cook
2016-07-20 10:24       ` [PATCH v3 02/11] mm: Hardened usercopy Balbir Singh
2016-07-20 10:24         ` [kernel-hardening] " Balbir Singh
2016-07-20 10:24         ` Balbir Singh
2016-07-20 10:24         ` Balbir Singh
2016-07-20 10:24         ` Balbir Singh
2016-07-20 10:24         ` Balbir Singh
2016-07-20 10:24         ` Balbir Singh
2016-07-20 10:24         ` Balbir Singh
2016-07-20 15:36         ` Laura Abbott
2016-07-20 15:36           ` [kernel-hardening] " Laura Abbott
2016-07-20 15:36           ` Laura Abbott
2016-07-20 15:36           ` Laura Abbott
2016-07-20 15:36           ` Laura Abbott
2016-07-20 15:36           ` Laura Abbott
2016-07-20 15:36           ` Laura Abbott
2016-07-19  1:52   ` Laura Abbott
2016-07-19  1:52     ` [kernel-hardening] " Laura Abbott
2016-07-19  1:52     ` Laura Abbott
2016-07-19  1:52     ` Laura Abbott
2016-07-19  1:52     ` Laura Abbott
2016-07-19  1:52     ` Laura Abbott
2016-07-19 19:12     ` Kees Cook
2016-07-19 19:12       ` [kernel-hardening] " Kees Cook
2016-07-19 19:12       ` Kees Cook
2016-07-19 19:12       ` Kees Cook
2016-07-19 19:12       ` Kees Cook
2016-07-19 19:12       ` Kees Cook
2016-07-19 19:12       ` Kees Cook
2016-07-19 22:55       ` Kees Cook [this message]
2016-07-19 22:55         ` [kernel-hardening] " Kees Cook
2016-07-19 22:55         ` Kees Cook
2016-07-19 22:55         ` Kees Cook
2016-07-19 22:55         ` Kees Cook
2016-07-19 22:55         ` Kees Cook
2016-07-19 22:55         ` Kees Cook
2016-07-19  9:21   ` Christian Borntraeger
2016-07-19  9:21     ` [kernel-hardening] " Christian Borntraeger
2016-07-19  9:21     ` Christian Borntraeger
2016-07-19  9:21     ` Christian Borntraeger
2016-07-19  9:21     ` Christian Borntraeger
2016-07-19  9:21     ` Christian Borntraeger
2016-07-19 19:31     ` Kees Cook
2016-07-19 19:31       ` [kernel-hardening] " Kees Cook
2016-07-19 19:31       ` Kees Cook
2016-07-19 19:31       ` Kees Cook
2016-07-19 19:31       ` Kees Cook
2016-07-19 19:31       ` Kees Cook
2016-07-19 19:31       ` Kees Cook
2016-07-19 20:14       ` Christian Borntraeger
2016-07-19 20:14         ` [kernel-hardening] " Christian Borntraeger
2016-07-19 20:14         ` Christian Borntraeger
2016-07-19 20:14         ` Christian Borntraeger
2016-07-19 20:14         ` Christian Borntraeger
2016-07-19 20:14         ` Christian Borntraeger
2016-07-19 20:14         ` Christian Borntraeger
2016-07-19 20:34         ` Kees Cook
2016-07-19 20:34           ` [kernel-hardening] " Kees Cook
2016-07-19 20:34           ` Kees Cook
2016-07-19 20:34           ` Kees Cook
2016-07-19 20:34           ` Kees Cook
2016-07-19 20:34           ` Kees Cook
2016-07-19 20:34           ` Kees Cook
2016-07-19 20:44           ` Christian Borntraeger
2016-07-19 20:44             ` [kernel-hardening] " Christian Borntraeger
2016-07-19 20:44             ` Christian Borntraeger
2016-07-19 20:44             ` Christian Borntraeger
2016-07-19 20:44             ` Christian Borntraeger
2016-07-19 20:44             ` Christian Borntraeger
2016-07-19 20:44             ` Christian Borntraeger
2016-07-21  6:52   ` Michael Ellerman
2016-07-21  6:52   ` Michael Ellerman
2016-07-21  6:52   ` Michael Ellerman
2016-07-21  6:52     ` [kernel-hardening] " Michael Ellerman
2016-07-21  6:52     ` Michael Ellerman
2016-07-21  6:52   ` Michael Ellerman
2016-07-21  6:52   ` Michael Ellerman
2016-07-21  6:52     ` Michael Ellerman
2016-07-21  6:52   ` Michael Ellerman
     [not found]   ` <5790711f.2350420a.b4287.2cc0SMTPIN_ADDED_BROKEN@mx.google.com>
2016-07-21 18:34     ` Kees Cook
2016-07-21 18:34       ` [kernel-hardening] " Kees Cook
2016-07-21 18:34       ` Kees Cook
2016-07-21 18:34       ` Kees Cook
2016-07-21 18:34       ` Kees Cook
2016-07-21 18:34       ` Kees Cook
2016-07-21 18:34       ` Kees Cook
2016-07-22 17:45       ` Josh Poimboeuf
2016-07-22 17:45         ` [kernel-hardening] " Josh Poimboeuf
2016-07-22 17:45         ` Josh Poimboeuf
2016-07-22 17:45         ` Josh Poimboeuf
2016-07-22 17:45         ` Josh Poimboeuf
2016-07-22 17:45         ` Josh Poimboeuf
2016-07-22 17:45         ` Josh Poimboeuf
2016-07-25  9:27         ` David Laight
2016-07-25  9:27           ` [kernel-hardening] " David Laight
2016-07-25  9:27           ` David Laight
2016-07-25  9:27           ` David Laight
2016-07-25  9:27           ` David Laight
2016-07-25  9:27           ` David Laight
2016-07-25  9:27           ` David Laight
2016-07-26  2:09           ` Michael Ellerman
2016-07-26  2:09             ` [kernel-hardening] " Michael Ellerman
2016-07-26  2:09             ` Michael Ellerman
2016-07-26  2:09             ` Michael Ellerman
2016-07-26  2:09             ` Michael Ellerman
2016-07-26  2:09             ` Michael Ellerman
2016-07-26  2:09             ` Michael Ellerman
2016-07-26  2:09             ` Michael Ellerman
2016-07-26  2:03         ` Michael Ellerman
2016-07-26  2:03           ` [kernel-hardening] " Michael Ellerman
2016-07-26  2:03           ` Michael Ellerman
2016-07-26  2:03           ` Michael Ellerman
2016-07-26  4:46           ` Kees Cook
2016-07-26  4:46             ` [kernel-hardening] " Kees Cook
2016-07-26  4:46             ` Kees Cook
2016-07-26  4:46             ` Kees Cook
2016-07-26  4:46             ` Kees Cook
2016-07-26  4:46             ` Kees Cook
2016-07-26  4:46             ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 03/11] x86/uaccess: Enable hardened usercopy Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 04/11] ARM: uaccess: " Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 05/11] arm64/uaccess: " Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 06/11] ia64/uaccess: " Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 07/11] powerpc/uaccess: " Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 08/11] sparc/uaccess: " Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 09/11] s390/uaccess: " Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 10/11] mm: SLAB hardened usercopy support Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44 ` [PATCH v3 11/11] mm: SLUB " Kees Cook
2016-07-15 21:44   ` [kernel-hardening] " Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-15 21:44   ` Kees Cook
2016-07-18  8:26 ` [PATCH v3 00/11] mm: Hardened usercopy Balbir Singh
2016-07-18  8:26   ` [kernel-hardening] " Balbir Singh
2016-07-18  8:26   ` Balbir Singh
2016-07-18  8:26   ` Balbir Singh
2016-07-18  8:26   ` Balbir Singh
2016-07-18  8:26   ` Balbir Singh
2016-07-18  8:26   ` Balbir Singh
2016-07-20  9:52 ` David Laight
2016-07-20  9:52   ` [kernel-hardening] " David Laight
2016-07-20  9:52   ` David Laight
2016-07-20  9:52   ` David Laight
2016-07-20  9:52   ` David Laight
2016-07-20  9:52   ` David Laight
2016-07-20  9:52   ` David Laight
2016-07-20 15:31   ` Kees Cook
2016-07-20 15:31     ` [kernel-hardening] " Kees Cook
2016-07-20 15:31     ` Kees Cook
2016-07-20 15:31     ` Kees Cook
2016-07-20 15:31     ` Kees Cook
2016-07-20 15:31     ` Kees Cook
2016-07-20 15:31     ` Kees Cook
2016-07-20 16:02     ` David Laight
2016-07-20 16:02       ` [kernel-hardening] " David Laight
2016-07-20 16:02       ` David Laight
2016-07-20 16:02       ` David Laight
2016-07-20 16:02       ` David Laight
2016-07-20 16:02       ` David Laight
2016-07-20 16:02       ` David Laight
2016-07-20 16:22       ` Rik van Riel
2016-07-20 16:22         ` [kernel-hardening] " Rik van Riel
2016-07-20 16:22         ` Rik van Riel
2016-07-20 16:22         ` Rik van Riel
2016-07-20 16:22         ` Rik van Riel
2016-07-20 16:22         ` Rik van Riel
2016-07-20 17:44       ` Kees Cook
2016-07-20 17:44         ` [kernel-hardening] " Kees Cook
2016-07-20 17:44         ` Kees Cook
2016-07-20 17:44         ` Kees Cook
2016-07-20 17:44         ` Kees Cook
2016-07-20 17:44         ` Kees Cook
2016-07-20 17:44         ` Kees Cook

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=CAGXu5j+0RryPNbSeEYcn6o9zTqz4DKZV3XCuRVuus_X9oUfmww@mail.gmail.com \
    --to=keescook@chromium.org \
    --cc=aarcange@redhat.com \
    --cc=akpm@linux-foundation.org \
    --cc=ard.biesheuvel@linaro.org \
    --cc=benh@kernel.crashing.org \
    --cc=bp@suse.de \
    --cc=bsingharora@gmail.com \
    --cc=casey@schaufler-ca.com \
    --cc=catalin.marinas@arm.com \
    --cc=cl@linux.com \
    --cc=danielmicay@gmail.com \
    --cc=davem@davemloft.net \
    --cc=dvyukov@google.com \
    --cc=fenghua.yu@intel.com \
    --cc=iamjoonsoo.kim@lge.com \
    --cc=jack@suse.cz \
    --cc=jpoimboe@redhat.com \
    --cc=kernel-hardening@lists.openwall.com \
    --cc=labbott@fedoraproject.org \
    --cc=labbott@redhat.com \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-ia64@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux@armlinux.org.uk \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=luto@kernel.org \
    --cc=minipli@googlemail.com \
    --cc=mpe@ellerman.id.au \
    --cc=pageexec@freemail.hu \
    --cc=penberg@kernel.org \
    --cc=riel@redhat.com \
    --cc=rientjes@google.com \
    --cc=sparclinux@vger.kernel.org \
    --cc=spender@grsecurity.net \
    --cc=tony.luck@intel.com \
    --cc=vitalywool@gmail.com \
    --cc=will.deacon@arm.com \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.