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 X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,T_DKIMWL_WL_MED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7922DC43219 for ; Fri, 3 May 2019 19:12:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46ECF216FD for ; Fri, 3 May 2019 19:12:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="vXvz8tMV" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727091AbfECTMe (ORCPT ); Fri, 3 May 2019 15:12:34 -0400 Received: from mail-pf1-f202.google.com ([209.85.210.202]:43710 "EHLO mail-pf1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726939AbfECTMb (ORCPT ); Fri, 3 May 2019 15:12:31 -0400 Received: by mail-pf1-f202.google.com with SMTP id t1so3622030pfa.10 for ; Fri, 03 May 2019 12:12:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=OzS8VIItIe7gOmrqJiPkmma/CofpEbEo7MDgNzxP7EU=; b=vXvz8tMV6K7ewdBjEgreqwG3r4srSHPabxZ+NglYP1hxf44UZwW/kSCKdYQv9AFeWv nxg16dVtjVyvFPzy2XSDPqL8pjdgBk/aUwM+GMNO5LLWfBhKKFDCvwV90oDe5Ul+fs5k WcRngQQwJtgRHdUdUk9Skv0kf9IhZ80LYgg2akYzT+8ZLxJl3hLXbfFc02ceWHkHJoiZ vmYjsVvz14B2DAAO6Cpy3+IZfR+Myqwk/5UWD3T1w7zYngP6WRRFr9NE3T9SnzXMFsSZ 3hkddRRZcZj0L4fE5BDmRLiDriKu8Umv4fXufsGJEOswkIk5fI5CljAsgkJpG5zOmz6z /rlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=OzS8VIItIe7gOmrqJiPkmma/CofpEbEo7MDgNzxP7EU=; b=X6Sfe0cNozjlW/o6wbdj1SBgdFoA+Aupxv8WvmqvaGY7xBDrOhpjNhSnBkhwniA9pw kteo2mmhhqO1kZF+3Yqdou8OMSzXe14Hbk3eMwYHtuW7hu4EksP2YA7TGYceEBEPh/l1 897UxKyW7CDXKORxWqN0fozZkMlHeE5Ca01SLvX42YKUJKY6ICme3x3BwA1Nv4yuC8Qn fQfr7ZC7gZRiK8OrCCobUdV+B9ERy2r+bkbQ1jQG9MbFTUmERjRrI7fd/cG7NfBmEj9m X2r39iulNAzMzFXMwtAB4brLERZZBkW+TSvHQjr7ZtTTGLRh+Jw1gBthiWdNSN7P5UCC Wi1Q== X-Gm-Message-State: APjAAAVrDow7jbaVVx2X7N1B2hSBIdiyk7Pd3WRj2zLk6wRjhaLVQ3hy gzbCNbsbVfetOp9/1LR/4DGRnr+vmjD4vWwjDOk= X-Google-Smtp-Source: APXvYqxQx7thUnTUgZM+XBCR4KVnQE9clWl9Q6r+UsURp2RX6n5rRRQc1xX2h68jKqk6eL23yArIwNASAHgXHhzbcHc= X-Received: by 2002:a63:2ac5:: with SMTP id q188mr3683977pgq.388.1556910750760; Fri, 03 May 2019 12:12:30 -0700 (PDT) Date: Fri, 3 May 2019 12:12:23 -0700 In-Reply-To: <20190503191225.6684-1-samitolvanen@google.com> Message-Id: <20190503191225.6684-2-samitolvanen@google.com> Mime-Version: 1.0 References: <20190503191225.6684-1-samitolvanen@google.com> X-Mailer: git-send-email 2.21.0.1020.gf2820cf01a-goog Subject: [PATCH v2 1/3] arm64: fix syscall_fn_t type From: Sami Tolvanen To: Catalin Marinas , Will Deacon , Mark Rutland Cc: Kees Cook , Nick Desaulniers , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Sami Tolvanen Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Syscall wrappers in use const struct pt_regs * as the argument type. Use const in syscall_fn_t as well to fix indirect call type mismatches with Control-Flow Integrity checking. Signed-off-by: Sami Tolvanen Reviewed-by: Mark Rutland --- arch/arm64/include/asm/syscall.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/syscall.h b/arch/arm64/include/asm/syscall.h index a179df3674a1a..6206ab9bfcfc5 100644 --- a/arch/arm64/include/asm/syscall.h +++ b/arch/arm64/include/asm/syscall.h @@ -20,7 +20,7 @@ #include #include -typedef long (*syscall_fn_t)(struct pt_regs *regs); +typedef long (*syscall_fn_t)(const struct pt_regs *regs); extern const syscall_fn_t sys_call_table[]; -- 2.21.0.1020.gf2820cf01a-goog