On Tue, 05 Jan 2021 01:36:13 +0000, David Woodhouse wrote: > The AMD IOMMU initialisation registers the IRQ remapping domain for > each IOMMU before doing the final sanity check that every I/OAPIC is > covered. > > This means that the AMD irq_remapping_select() function gets invoked > even when IRQ remapping has been disabled, eventually leading to a NULL > pointer dereference in alloc_irq_table(). > > [...]
Applied to arm64 (for-next/iommu/fixes), thanks! [1/1] iommu/amd: Stop irq_remapping_select() matching when remapping is disabled https://git.kernel.org/arm64/c/b34f10c2dc59 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev