Linux kernel bug fix: irqdomain/treewide: Keep firmware node unconditionally allocated
Subsystem: arch/x86 (drivers/iommu/intel/irq_remapping.c)
Bug type: double-free, severity: medium
Keywords: double free
Files changed: arch/mips/pci/pci-xtalk-bridge.c;arch/x86/kernel/apic/io_apic.c;arch/x86/kernel/apic/msi.c;arch/x86/kernel/apic/vector.c;arch/x86/platform/uv/uv_irq.c;drivers/iommu/amd/iommu.c;drivers/iommu/hyperv-iommu.c;drivers/iommu/intel/irq_remapping.c;drivers/mfd/ioc3.c;drivers/pci/controller/vmd.c
Introduced by Dexuan Cui on 2019-09-03 09:16:50 +0100; fixed by Thomas Gleixner on 2020-07-14 17:44:42 +0200 (lifetime: 315 days)