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[ Upstream commit 0bda9498dd45280e334bfe88b815ebf519602cc3 ] In kvm_vgic_dist_init() called from kvm_vgic_map_resources(), if dist->vgic_model is invalid, dist->spis will be freed without set dist->spis = NULL. And in vgicv2 resources clean up path, __kvm_vgic_destroy() will be called to free allocated resources. And dist->spis will be freed again in clean up chain because we forget to set dist->spis = NULL in kvm_vgic_dist_init() failed path. So double free would happen. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Eric Auger <eric.auger@redhat.com> Link: https://lore.kernel.org/r/1574923128-19956-1-git-send-email-linmiaohe@huawei.com Signed-off-by: Sasha Levin <sashal@kernel.org> |
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