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 7E9FCEB64DC for ; Fri, 21 Jul 2023 16:20:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232587AbjGUQUJ (ORCPT ); Fri, 21 Jul 2023 12:20:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45978 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232585AbjGUQTy (ORCPT ); Fri, 21 Jul 2023 12:19:54 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C7FD420B for ; Fri, 21 Jul 2023 09:18:37 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E0A6761D26 for ; Fri, 21 Jul 2023 16:18:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0075FC433C8; Fri, 21 Jul 2023 16:18:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689956316; bh=I11NTMZ5rOLKRTwNUsLQGgizMy7fSb7nFUCmGBs7Lvo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PdlqaJ/HTRBXnMViiI1OjZr7UUNq7vxq+1/3TGqj80qOi+PDjz/Iy6NlGTG9oNWwi aQTDJQE/ysFBT+v7CCaOWwUBnaVfKatiLwGweapK1gF7q1DhOiO3aAOQfDvA2mtFUQ 4Y/J/PzK99CoSPUBi+eNMMkrjZAjyUldAPUri8s4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Arnd Bergmann , Alexander Potapenko , Andrey Konovalov , Andrey Ryabinin , Dmitry Vyukov , Marco Elver , Vincenzo Frascino , Andrew Morton Subject: [PATCH 6.4 136/292] kasan: add kasan_tag_mismatch prototype Date: Fri, 21 Jul 2023 18:04:05 +0200 Message-ID: <20230721160534.691060399@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721160528.800311148@linuxfoundation.org> References: <20230721160528.800311148@linuxfoundation.org> User-Agent: quilt/0.67 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: Arnd Bergmann commit fb646a4cd3f0ff27d19911bef7b6622263723df6 upstream. The kasan sw-tags implementation contains one function that is only called from assembler and has no prototype in a header. This causes a W=1 warning: mm/kasan/sw_tags.c:171:6: warning: no previous prototype for 'kasan_tag_mismatch' [-Wmissing-prototypes] 171 | void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, Add a prototype in the local header to get a clean build. Link: https://lkml.kernel.org/r/20230509145735.9263-1-arnd@kernel.org Signed-off-by: Arnd Bergmann Cc: Alexander Potapenko Cc: Andrey Konovalov Cc: Andrey Ryabinin Cc: Dmitry Vyukov Cc: Marco Elver Cc: Vincenzo Frascino Cc: Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman --- mm/kasan/kasan.h | 3 +++ 1 file changed, 3 insertions(+) --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -646,4 +646,7 @@ void *__hwasan_memset(void *addr, int c, void *__hwasan_memmove(void *dest, const void *src, size_t len); void *__hwasan_memcpy(void *dest, const void *src, size_t len); +void kasan_tag_mismatch(unsigned long addr, unsigned long access_info, + unsigned long ret_ip); + #endif /* __MM_KASAN_KASAN_H */