This is a note to let you know that I've just added the patch titled KVM: arm/arm64: vgic-irqfd: Fix MSI entry allocation to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: kvm-arm-arm64-vgic-irqfd-fix-msi-entry-allocation.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 150009e2c70cc3c6e97f00e7595055765d32fb85 Mon Sep 17 00:00:00 2001 From: Marc Zyngier <marc.zyngier@xxxxxxx> Date: Thu, 16 Nov 2017 17:58:15 +0000 Subject: KVM: arm/arm64: vgic-irqfd: Fix MSI entry allocation From: Marc Zyngier <marc.zyngier@xxxxxxx> commit 150009e2c70cc3c6e97f00e7595055765d32fb85 upstream. Using the size of the structure we're allocating is a good idea and avoids any surprise... In this case, we're happilly confusing kvm_kernel_irq_routing_entry and kvm_irq_routing_entry... Fixes: 95b110ab9a09 ("KVM: arm/arm64: Enable irqchip routing") Reported-by: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx> Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> Signed-off-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- virt/kvm/arm/vgic/vgic-irqfd.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) --- a/virt/kvm/arm/vgic/vgic-irqfd.c +++ b/virt/kvm/arm/vgic/vgic-irqfd.c @@ -112,8 +112,7 @@ int kvm_vgic_setup_default_irq_routing(s u32 nr = dist->nr_spis; int i, ret; - entries = kcalloc(nr, sizeof(struct kvm_kernel_irq_routing_entry), - GFP_KERNEL); + entries = kcalloc(nr, sizeof(*entries), GFP_KERNEL); if (!entries) return -ENOMEM; Patches currently in stable-queue which might be from marc.zyngier@xxxxxxx are queue-4.9/arm-kvm-fix-vttbr_baddr_mask-bug_on-off-by-one.patch queue-4.9/kvm-arm-arm64-vgic-its-check-result-of-allocation-before-use.patch queue-4.9/kvm-arm-arm64-vgic-irqfd-fix-msi-entry-allocation.patch queue-4.9/bus-arm-cci-fix-use-of-smp_processor_id-in-preemptible-context.patch queue-4.9/arm64-kvm-fix-vttbr_baddr_mask-bug_on-off-by-one.patch queue-4.9/bus-arm-ccn-fix-use-of-smp_processor_id-in-preemptible-context.patch