[edk2,RFC,0/2] ArmVirtQemu: unmap page #0 to catch NULL pointer dereferences

Message ID	20181128191646.31526-1-ard.biesheuvel@linaro.org
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of edk2-devel-bounces@lists.01.org designates 198.145.21.10 as permitted sender) client-ip=198.145.21.10; Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2a00:1450:4864:20::42d; helo=mail-wr1-x42d.google.com; envelope-from=ard.biesheuvel@linaro.org; receiver=edk2-devel@lists.01.org From: Ard Biesheuvel <ard.biesheuvel@linaro.org> To: edk2-devel@lists.01.org Date: Wed, 28 Nov 2018 20:16:44 +0100 Message-Id: <20181128191646.31526-1-ard.biesheuvel@linaro.org> MIME-Version: 1.0 Subject: [edk2] [RFC PATCH 0/2] ArmVirtQemu: unmap page #0 to catch NULL pointer dereferences Precedence: list Cc: Andrew Jones <drjones@redhat.com>, Laszlo Ersek <lersek@redhat.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: edk2-devel-bounces@lists.01.org Sender: "edk2-devel" <edk2-devel-bounces@lists.01.org>
Series	ArmVirtQemu: unmap page #0 to catch NULL pointer dereferences \| expand [edk2,RFC,0/2] ArmVirtQemu: unmap page #0 to catch NULL pointer dereferences [edk2,RFC,1/2] ArmVirtPkg/NorFlashQemuLib: disregard our primary FV [edk2,RFC,2/2] ArmVirtPkg/QemuVirtMemInfoLib: trim the MMIO region mapping

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20181128191646.31526-1-ard.biesheuvel@linaro.org

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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: edk2-devel@lists.01.org
Date: Wed, 28 Nov 2018 20:16:44 +0100
Message-Id: <20181128191646.31526-1-ard.biesheuvel@linaro.org>
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Subject: [edk2] [RFC PATCH 0/2] ArmVirtQemu: unmap page #0 to catch NULL
	pointer dereferences
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Cc: Andrew Jones <drjones@redhat.com>, Laszlo Ersek <lersek@redhat.com>
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ArmVirtQemu: unmap page #0 to catch NULL pointer dereferences | expand

Message

Ard Biesheuvel Nov. 28, 2018, 7:16 p.m. UTC

Rationale in patch #2. Patch #1 is a prerequisite patch that ensures
that we no longer need page #0 to be mapped for the NOR flash driver
to be able to expose it as a read/write block device.

Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Eric Auger <eric.auger@redhat.com>
Cc: Andrew Jones <drjones@redhat.com>
Cc: Philippe Mathieu-Daude <philmd@redhat.com>

Ard Biesheuvel (2):
  ArmVirtPkg/NorFlashQemuLib: disregard our primary FV
  ArmVirtPkg/QemuVirtMemInfoLib: trim the MMIO region mapping

 .../NorFlashQemuLib/NorFlashQemuLib.inf        |  5 +++++
 .../QemuVirtMemInfoLib/QemuVirtMemInfoLib.inf  |  4 ++--
 .../QemuVirtMemInfoPeiLib.inf                  |  2 ++
 .../Library/NorFlashQemuLib/NorFlashQemuLib.c  | 13 +++++++++++--
 .../QemuVirtMemInfoLib/QemuVirtMemInfoLib.c    | 18 +++++++++++-------
 5 files changed, 31 insertions(+), 11 deletions(-)

-- 
2.19.1

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