Linux kernel bug fix: KVM: guest_memfd: Add INIT_SHARED flag, reject user page faults if not set
Subsystem: kvm (tools/testing/selftests/kvm/guest_memfd_test.c)
Bug type: hang, severity: medium
Files changed: Documentation/virt/kvm/api.rst;include/uapi/linux/kvm.h;tools/testing/selftests/kvm/guest_memfd_test.c;virt/kvm/guest_memfd.c;virt/kvm/kvm_main.c
Introduced by Fuad Tabba on 2025-08-27 04:37:03 -0400; fixed by Sean Christopherson on 2025-10-10 14:25:23 -0700 (lifetime: 44 days)