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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-02-21 20:13:27 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-02-21 20:13:27 +0300 |
| commit | 39133352cbed6626956d38ed72012f49b0421e7b (patch) | |
| tree | 285bd3f1bdb914dff8125d0f6b63e93579ba9477 /arch | |
| parent | 8da8d88455ebbb4e05423cf60cff985e92d43754 (diff) | |
| parent | c48617fbbe831d4c80fe84056033f17b70a31136 (diff) | |
| download | linux-39133352cbed6626956d38ed72012f49b0421e7b.tar.xz | |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"Two fixes for ARM ITS emulation. Unmapped interrupts were used instead
of ignored, causing NULL pointer dereferences"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: arm64: vgic-its: Test for valid IRQ in MOVALL handler
KVM: arm64: vgic-its: Test for valid IRQ in its_sync_lpi_pending_table()
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kvm/vgic/vgic-its.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm64/kvm/vgic/vgic-its.c b/arch/arm64/kvm/vgic/vgic-its.c index e2764d0ffa9f..28a93074eca1 100644 --- a/arch/arm64/kvm/vgic/vgic-its.c +++ b/arch/arm64/kvm/vgic/vgic-its.c @@ -468,6 +468,9 @@ static int its_sync_lpi_pending_table(struct kvm_vcpu *vcpu) } irq = vgic_get_irq(vcpu->kvm, NULL, intids[i]); + if (!irq) + continue; + raw_spin_lock_irqsave(&irq->irq_lock, flags); irq->pending_latch = pendmask & (1U << bit_nr); vgic_queue_irq_unlock(vcpu->kvm, irq, flags); @@ -1432,6 +1435,8 @@ static int vgic_its_cmd_handle_movall(struct kvm *kvm, struct vgic_its *its, for (i = 0; i < irq_count; i++) { irq = vgic_get_irq(kvm, NULL, intids[i]); + if (!irq) + continue; update_affinity(irq, vcpu2); |