linux-kernel - [PATCH v2 0/3] kvm: arm/arm64: Fixes for use after free problems

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Message-Id: <1489688451-17520-1-git-send-email-suzuki.poulose@arm.com>
Date:   Thu, 16 Mar 2017 18:20:48 +0000
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-arm-kernel@...ts.infradead.org, andreyknvl@...gle.com
Cc:     dvyukov@...gle.com, marc.zyngier@....com,
        christoffer.dall@...aro.org, kvmarm@...ts.cs.columbia.edu,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org, kcc@...gle.com,
        syzkaller@...glegroups.com, will.deacon@....com,
        catalin.marinas@....com, pbonzini@...hat.com, mark.rutland@....com,
        suzuki.poulose@....com, ard.biesheuvel@...aro.org,
        stable@...r.kernel.org
Subject: [PATCH v2 0/3] kvm: arm/arm64: Fixes for use after free problems

This series contains potential fixes for problems reported by [0] & [1].

[0] http://lists.infradead.org/pipermail/linux-arm-kernel/2017-March/492944.html
[1] http://lists.infradead.org/pipermail/linux-arm-kernel/2017-March/492943.html

Changes since V1:
 - Yield the kvm->mmu_lock if necessary in unmap_stage2_range to prevent
   vCPU starvation and lockup detector warnings.

Marc Zyngier (2):
  kvm: arm/arm64: Take mmap_sem in stage2_unmap_vm
  kvm: arm/arm64: Take mmap_sem in kvm_arch_prepare_memory_region

Suzuki K Poulose (1):
  kvm: arm/arm64: Fix locking for kvm_free_stage2_pgd

 arch/arm/kvm/mmu.c | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

-- 
2.7.4