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commit6dd1e4c045upstream. When avc_add_xperms_decision() fails, the information recorded by the new avc node is incomplete. In this case, the new avc node should be released instead of replacing the old avc node. Cc: stable@vger.kernel.org Fixes:fa1aa143ac("selinux: extended permissions for ioctls") Suggested-by: Stephen Smalley <stephen.smalley.work@gmail.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com> Signed-off-by: Paul Moore <paul@paul-moore.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>