KVM: arm64: Fix double-free following kvm_pgtable_stage2_free_unlinked()

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kvm_pgtable_stage2_free_unlinked() does the final put_page() on the
root page of the sub-tree before returning, so remove the additional
put_page() invocations in the callers.

Cc: Ricardo Koller <ricarkol@google.com>
Fixes: f6a27d6dc5 ("KVM: arm64: Drop last page ref in kvm_pgtable_stage2_free_removed()")
Signed-off-by: Will Deacon <will@kernel.org>
Reviewed-by: Oliver Upton <oliver.upton@linux.dev>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20240212193052.27765-1-will@kernel.org

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Will Deacon 2024-02-12 19:30:52 +00:00 • committed by Marc Zyngier

parent 42dfa94d80

commit c60d847be7

1 changed files with 0 additions and 2 deletions

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arch/arm64/kvm/hyp/pgtable.c

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