Fix bad page state in process qemu-kvm when using TDP_MMU (!560) · Merge requests · Red Hat / centos-stream / src / kernel / centos-stream-9

Nico Pache requested to merge npache/centos-stream-9:bz2055725.post into main Feb 26, 2022

Upstream Status: linus
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2055725

There has been a report of a BUG hit on c9s where the "KVM triggers a use-after-free in the form of marking a struct page as dirty/accessed after it has been put back on the free list". A simple upstream fix has been identified.

Signed-off-by: Nico Pache npache@redhat.com

Edited Mar 14, 2022 by Nico Pache

Fix bad page state in process qemu-kvm when using TDP_MMU

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