Description: KVM: host stack overflow due to lazy update IOAPIC References: https://bugzilla.redhat.com/show_bug.cgi?id=1888886 https://bugzilla.kernel.org/show_bug.cgi?id=208767 Notes: carnil> ioapic_lazy_update_eoi() was introduced in f458d039db7e ("kvm: carnil> ioapic: Lazy update IOAPIC EOI") in 5.6-rc1 (and not carnil> backported). carnil> The issue is not fixed by 8be8f932e3db ("kvm: ioapic: Restrict carnil> lazy EOI update to edge-triggered interrupts"). Bugs: upstream: needed 4.19-upstream-stable: N/A "Vulnerable code not present" 4.9-upstream-stable: N/A "Vulnerable code not present" sid: needed 4.19-buster-security: N/A "Vulnerable code not present" 4.9-stretch-security: N/A "Vulnerable code not present"