From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 47CB0CCA481 for ; Mon, 27 Jun 2022 11:54:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238783AbiF0Lya (ORCPT ); Mon, 27 Jun 2022 07:54:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49966 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238712AbiF0Lwb (ORCPT ); Mon, 27 Jun 2022 07:52:31 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5149AE73; Mon, 27 Jun 2022 04:45:14 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7A1CFB80D32; Mon, 27 Jun 2022 11:45:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E41B3C3411D; Mon, 27 Jun 2022 11:45:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1656330312; bh=NSWLVHwkh4jCm7vqeyoTxm57tQ+lbvd9SSss7VBhs+s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xh855Mu3NpfH5iD+dMOwiIefW6j4sdfqW54zrxoMWV6WIRGr9cxjNwrkxZ0LJNbid 1CtFpzA6+oT0XPuQkI5jk+KL/wwfu8V35UWmNNokIvyzjdX7g7mVCZjzjBICQuCXk7 rixyiNKOeAAB5wBn6PX4Im8fzkDb/EsHJKNbwIq4= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Helge Deller , John David Anglin Subject: [PATCH 5.18 155/181] parisc: Enable ARCH_HAS_STRICT_MODULE_RWX Date: Mon, 27 Jun 2022 13:22:08 +0200 Message-Id: <20220627111949.177477255@linuxfoundation.org> X-Mailer: git-send-email 2.36.1 In-Reply-To: <20220627111944.553492442@linuxfoundation.org> References: <20220627111944.553492442@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Helge Deller commit 0a1355db36718178becd2bfe728a023933d73123 upstream. Fix a boot crash on a c8000 machine as reported by Dave. Basically it changes patch_map() to return an alias mapping to the to-be-patched code in order to prevent writing to write-protected memory. Signed-off-by: Helge Deller Suggested-by: John David Anglin Cc: stable@vger.kernel.org # v5.2+ Link: https://lore.kernel.org/all/e8ec39e8-25f8-e6b4-b7ed-4cb23efc756e@bell.net/ Signed-off-by: Greg Kroah-Hartman --- arch/parisc/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -10,6 +10,7 @@ config PARISC select ARCH_WANT_FRAME_POINTERS select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_STRICT_KERNEL_RWX + select ARCH_HAS_STRICT_MODULE_RWX select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAS_PTE_SPECIAL select ARCH_NO_SG_CHAIN