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_HELO_NONE,SPF_PASS,T_DKIMWL_WL_MED,URIBL_BLOCKED, 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 2707DC282E1 for ; Fri, 24 May 2019 22:11:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F1507206BA for ; Fri, 24 May 2019 22:11:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="Q5NF2enZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732184AbfEXWL1 (ORCPT ); Fri, 24 May 2019 18:11:27 -0400 Received: from mail-pf1-f202.google.com ([209.85.210.202]:41670 "EHLO mail-pf1-f202.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729348AbfEXWL0 (ORCPT ); Fri, 24 May 2019 18:11:26 -0400 Received: by mail-pf1-f202.google.com with SMTP id b127so6515898pfb.8 for ; Fri, 24 May 2019 15:11:25 -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=KIojoAmBE/BSnpEvXcodRJ0tgdeRBs6mJX1gQekfIhA=; b=Q5NF2enZHYLf+khWG7iyaIncDe+9M501ZKT4rE2UiUAeFpYGD7WgEK66eMZvTUH7Fm NFjo29hBJwD8aQ17sgD2jVdSTVQviNfFyuaYdeHxoTd9CLowxCNXxIz2cy+nwUQiEm3n uPGp3zdu44K5gxoq6OI2Ne54lRPHL/OQbkVi7SzpOfZpjg/G2s5DvIObUyPgQguVwN5w 4kirThYDoas6ku5+JgEDrJ9eG1xjIM48ovyNjRUSP+ql++kE6VXnH9k3lBvyvInJin6s 3t0d1YsZXzeFpMdHWgOQfeW8d9YqFB/slsOyowBXtIK0kbY1f55NODRjri7AT9XVl9Lc DA7A== 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=KIojoAmBE/BSnpEvXcodRJ0tgdeRBs6mJX1gQekfIhA=; b=WhesJwlgerBdU5Jg8oOZ2ilqmNIpkzHtD7An7xxO84HpTzZ3GDQgdepIXwxu//S16J sIxwStm81C9Vxy9VJO9U7TJCBvWD82vyEWtokqbD6QcwFp2ktzY4g/o3yAXM7H8sxUTj 68jdsaH6k9b5g+XWpzw9qleWJB9T+E3vcboyr4Sjzh5RBh6TmGG2HwnCyQgp4G/Uu2SS Ti5ClszYVJcjfuegwj7JB1dgC/1EGaoAlK5m7dN6KqfT9skYzdH9UL0z82mFOR5mv2tq TxO06hPpfjZEmm1LFyyf5fIGr7HrorHLQY2dgUvrnBtmnaBiAPAGlJOGs+5b6AvTHf5H Kjkw== X-Gm-Message-State: APjAAAUmahxiiozNKgiNbIOj5/r9meJAUPpv5T9/YH2S6bGpd6z9REaN SBsh5XClgNOs9ZevDbZN8sE+T6LtWaX0A+kp1lo= X-Google-Smtp-Source: APXvYqyzCxYDZAxNhJ5uLrFZIu9zCTdanj30bKrE/Us1YXpWQ3S67zBs3LYPNicVI1QucfjHTqn4fWw8yWBsrcZD/ZE= X-Received: by 2002:a63:a1f:: with SMTP id 31mr91586268pgk.233.1558735885221; Fri, 24 May 2019 15:11:25 -0700 (PDT) Date: Fri, 24 May 2019 15:11:16 -0700 In-Reply-To: <20190524221118.177548-1-samitolvanen@google.com> Message-Id: <20190524221118.177548-2-samitolvanen@google.com> Mime-Version: 1.0 References: <20190524221118.177548-1-samitolvanen@google.com> X-Mailer: git-send-email 2.22.0.rc1.257.g3120a18244-goog Subject: [PATCH v3 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 a65167f5cded8..e8bcb9ecede9b 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[]; -- 2.22.0.rc1.257.g3120a18244-goog