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| author | Paolo Bonzini | 2017-03-27 17:53:50 +0200 |
|---|---|---|
| committer | Paolo Bonzini | 2017-03-28 14:08:02 +0200 |
| commit | 2beb6dad2e8f95d710159d5befb390e4f62ab5cf (patch) | |
| tree | de7330624e1508cc44fd21799cc689a7038c9a86 /arch/x86/kvm/x86.c | |
| parent | KVM: nVMX: fix nested EPT detection (diff) | |
| download | kernel-qcow2-linux-2beb6dad2e8f95d710159d5befb390e4f62ab5cf.tar.gz kernel-qcow2-linux-2beb6dad2e8f95d710159d5befb390e4f62ab5cf.tar.xz kernel-qcow2-linux-2beb6dad2e8f95d710159d5befb390e4f62ab5cf.zip | |
KVM: x86: cleanup the page tracking SRCU instance
SRCU uses a delayed work item. Skip cleaning it up, and
the result is use-after-free in the work item callbacks.
Reported-by: Dmitry Vyukov <dvyukov@google.com>
Suggested-by: Dmitry Vyukov <dvyukov@google.com>
Cc: stable@vger.kernel.org
Fixes: 0eb05bf290cfe8610d9680b49abef37febd1c38a
Reviewed-by: Xiao Guangrong <xiaoguangrong.eric@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 64697fe475c3..ccbd45ecd41a 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8158,6 +8158,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm) kvm_free_vcpus(kvm); kvfree(rcu_dereference_check(kvm->arch.apic_map, 1)); kvm_mmu_uninit_vm(kvm); + kvm_page_track_cleanup(kvm); } void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free, |