KVM: x86: cleanup the page tracking SRCU instance

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commit 2beb6dad2e upstream.

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>
Fixes: 0eb05bf290
Reviewed-by: Xiao Guangrong <xiaoguangrong.eric@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Paolo Bonzini 2017-03-27 17:53:50 +02:00 • committed by Greg Kroah-Hartman

parent 79191ea36d

commit 3e8c6bd9db

3 changed files with 10 additions and 0 deletions

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arch/x86/include/asm/kvm_page_track.h

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arch/x86/kvm/page_track.c

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1

arch/x86/kvm/x86.c

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