diff for duplicates of <20190903162519.7136-35-sashal@kernel.org> diff --git a/a/1.txt b/N1/1.txt index 8b951aa..6508a59 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -5,7 +5,7 @@ From: Paul Mackerras <paulus@ozlabs.org> Testing has revealed an occasional crash which appears to be caused by a race between kvmppc_switch_mmu_to_hpt and kvm_unmap_hva_range_hv. The symptom is a NULL pointer dereference in __find_linux_pte() called -from kvm_unmap_radix() with kvm->arch.pgtable = NULL. +from kvm_unmap_radix() with kvm->arch.pgtable == NULL. Looking at kvmppc_switch_mmu_to_hpt(), it does indeed clear kvm->arch.pgtable (via kvmppc_free_radix()) before setting diff --git a/a/content_digest b/N1/content_digest index 909301e..8a908ad 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,13 +1,12 @@ "ref\020190903162519.7136-1-sashal@kernel.org\0" "From\0Sasha Levin <sashal@kernel.org>\0" - "Subject\0[PATCH AUTOSEL 4.19 035/167] KVM: PPC: Book3S HV: Fix race between kvm_unmap_hva_range and MMU mode\0" - "Date\0Tue, 03 Sep 2019 16:23:07 +0000\0" + "Subject\0[PATCH AUTOSEL 4.19 035/167] KVM: PPC: Book3S HV: Fix race between kvm_unmap_hva_range and MMU mode switch\0" + "Date\0Tue, 3 Sep 2019 12:23:07 -0400\0" "To\0linux-kernel@vger.kernel.org" " stable@vger.kernel.org\0" - "Cc\0Paul Mackerras <paulus@ozlabs.org>" - Sasha Levin <sashal@kernel.org> - kvm-ppc@vger.kernel.org - " linuxppc-dev@lists.ozlabs.org\0" + "Cc\0Sasha Levin <sashal@kernel.org>" + linuxppc-dev@lists.ozlabs.org + " kvm-ppc@vger.kernel.org\0" "\00:1\0" "b\0" "From: Paul Mackerras <paulus@ozlabs.org>\n" @@ -17,7 +16,7 @@ "Testing has revealed an occasional crash which appears to be caused\n" "by a race between kvmppc_switch_mmu_to_hpt and kvm_unmap_hva_range_hv.\n" "The symptom is a NULL pointer dereference in __find_linux_pte() called\n" - "from kvm_unmap_radix() with kvm->arch.pgtable = NULL.\n" + "from kvm_unmap_radix() with kvm->arch.pgtable == NULL.\n" "\n" "Looking at kvmppc_switch_mmu_to_hpt(), it does indeed clear\n" "kvm->arch.pgtable (via kvmppc_free_radix()) before setting\n" @@ -107,4 +106,4 @@ "-- \n" 2.20.1 -a9a05ad5db9e2b79eec86e92f0f467328c7cbc91dd74c3e5c04aa0200fc011da +d8b02382a8aa956620ac27f03c21d6d6ad6d130d124c89db6d43c3c55cabaa4b
diff --git a/a/1.txt b/N2/1.txt index 8b951aa..6508a59 100644 --- a/a/1.txt +++ b/N2/1.txt @@ -5,7 +5,7 @@ From: Paul Mackerras <paulus@ozlabs.org> Testing has revealed an occasional crash which appears to be caused by a race between kvmppc_switch_mmu_to_hpt and kvm_unmap_hva_range_hv. The symptom is a NULL pointer dereference in __find_linux_pte() called -from kvm_unmap_radix() with kvm->arch.pgtable = NULL. +from kvm_unmap_radix() with kvm->arch.pgtable == NULL. Looking at kvmppc_switch_mmu_to_hpt(), it does indeed clear kvm->arch.pgtable (via kvmppc_free_radix()) before setting diff --git a/a/content_digest b/N2/content_digest index 909301e..25bd59d 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -1,7 +1,7 @@ "ref\020190903162519.7136-1-sashal@kernel.org\0" "From\0Sasha Levin <sashal@kernel.org>\0" - "Subject\0[PATCH AUTOSEL 4.19 035/167] KVM: PPC: Book3S HV: Fix race between kvm_unmap_hva_range and MMU mode\0" - "Date\0Tue, 03 Sep 2019 16:23:07 +0000\0" + "Subject\0[PATCH AUTOSEL 4.19 035/167] KVM: PPC: Book3S HV: Fix race between kvm_unmap_hva_range and MMU mode switch\0" + "Date\0Tue, 3 Sep 2019 12:23:07 -0400\0" "To\0linux-kernel@vger.kernel.org" " stable@vger.kernel.org\0" "Cc\0Paul Mackerras <paulus@ozlabs.org>" @@ -17,7 +17,7 @@ "Testing has revealed an occasional crash which appears to be caused\n" "by a race between kvmppc_switch_mmu_to_hpt and kvm_unmap_hva_range_hv.\n" "The symptom is a NULL pointer dereference in __find_linux_pte() called\n" - "from kvm_unmap_radix() with kvm->arch.pgtable = NULL.\n" + "from kvm_unmap_radix() with kvm->arch.pgtable == NULL.\n" "\n" "Looking at kvmppc_switch_mmu_to_hpt(), it does indeed clear\n" "kvm->arch.pgtable (via kvmppc_free_radix()) before setting\n" @@ -107,4 +107,4 @@ "-- \n" 2.20.1 -a9a05ad5db9e2b79eec86e92f0f467328c7cbc91dd74c3e5c04aa0200fc011da +115168546c75cd626208097f9d76d6da887c456078b9af07f36d2f7c27b68f15
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