This is a note to let you know that I've just added the patch titled
KVM: arm/arm64: vgic-its: Check result of allocation before use
to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: kvm-arm-arm64-vgic-its-check-result-of-allocation-before-use.patch and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From 686f294f2f1ae40705283dd413ca1e4c14f20f93 Mon Sep 17 00:00:00 2001
From: Marc Zyngier marc.zyngier@arm.com Date: Thu, 16 Nov 2017 17:58:18 +0000 Subject: KVM: arm/arm64: vgic-its: Check result of allocation before use
From: Marc Zyngier marc.zyngier@arm.com
commit 686f294f2f1ae40705283dd413ca1e4c14f20f93 upstream.
We miss a test against NULL after allocation.
Fixes: 6d03a68f8054 ("KVM: arm64: vgic-its: Turn device_id validation into generic ID validation") Reported-by: AKASHI Takahiro takahiro.akashi@linaro.org Acked-by: Christoffer Dall christoffer.dall@linaro.org Signed-off-by: Marc Zyngier marc.zyngier@arm.com Signed-off-by: Christoffer Dall christoffer.dall@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- virt/kvm/arm/vgic/vgic-its.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -775,6 +775,8 @@ static int vgic_its_alloc_collection(str return E_ITS_MAPC_COLLECTION_OOR;
collection = kzalloc(sizeof(*collection), GFP_KERNEL); + if (!collection) + return -ENOMEM;
collection->collection_id = coll_id; collection->target_addr = COLLECTION_NOT_MAPPED;
Patches currently in stable-queue which might be from marc.zyngier@arm.com are
queue-4.14/arm-kvm-fix-vttbr_baddr_mask-bug_on-off-by-one.patch queue-4.14/kvm-arm-arm64-vgic-its-check-result-of-allocation-before-use.patch queue-4.14/kvm-arm-arm64-vgic-preserve-the-revious-read-from-the-pending-table.patch queue-4.14/kvm-arm-arm64-vgic-irqfd-fix-msi-entry-allocation.patch queue-4.14/bus-arm-cci-fix-use-of-smp_processor_id-in-preemptible-context.patch queue-4.14/arm64-kvm-fix-vttbr_baddr_mask-bug_on-off-by-one.patch queue-4.14/bus-arm-ccn-fix-use-of-smp_processor_id-in-preemptible-context.patch