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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 33118C48BDF for ; Tue, 22 Jun 2021 22:39:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 101E3611CE for ; Tue, 22 Jun 2021 22:39:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230327AbhFVWlW (ORCPT ); Tue, 22 Jun 2021 18:41:22 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:37641 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229800AbhFVWlV (ORCPT ); Tue, 22 Jun 2021 18:41:21 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4G8hCB45DZz9sVp; Wed, 23 Jun 2021 08:39:02 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1624401543; bh=q4xI+kLRvQ+w2SAaQQUUTdCOiWB2e9OLTjjbFloEIFk=; h=Date:From:To:Cc:Subject:From; b=UDdK1Vy0KVEwb6wvbFKtTY8frusD7sK2UUPkTd4WppiWhLnMsStayOtnQARnYqdqe kMUMcT8oHYg7F2zC97lvI+9awFbtcDXyRkn3CWHeQ81uMX5I3riltO70RXDJw0xucI pXruszKIKuAwFFXDJSzJZxf0Vi9fgYqbfo3AKeXFc2FOobdtuildWe7WIKXoDWznvh 6gnUjfXgcRJWd3SWVMhahwM3FLtjYLzgt7XOX8BdrUe1We/GKQkoA7zx7zklxmrpup UgTSnjyjIe4sIseaToXUXblQTKtk2jdxAMBe9d+b+w9lT6Q2cdi9pgc6lLZED8ho7a T9vlTPJoveC2g== Date: Wed, 23 Jun 2021 08:39:01 +1000 From: Stephen Rothwell To: "Gustavo A. R. Silva" Cc: Kees Cook , Linux Kernel Mailing List , Linux Next Mailing List , David Sterba Subject: linux-next: build warning after merge of the kspp-gustavo tree Message-ID: <20210623083901.1d49d19d@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/ZYMtYl+EaQ81t.y/0T093tr"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/ZYMtYl+EaQ81t.y/0T093tr Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the kspp-gustavo tree, today's linux-next build (powerpc ppc64_defconfig) produced this warning: In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_get_token_16': fs/btrfs/struct-funcs.c:80:46: warning: array subscript 1 is above array bo= unds of 'struct page *[1]' [-Warray-bounds] 80 | token->kaddr =3D page_address(token->eb->pages[idx + 1]); \ | ~~~~~~~~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:161:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 161 | DEFINE_BTRFS_SETGET_BITS(16) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_get_16': fs/btrfs/struct-funcs.c:101:32: warning: array subscript 1 is above array b= ounds of 'struct page * const[1]' [-Warray-bounds] 101 | kaddr =3D page_address(eb->pages[idx + 1]); \ | ~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:161:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 161 | DEFINE_BTRFS_SETGET_BITS(16) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_set_token_16': fs/btrfs/struct-funcs.c:133:46: warning: array subscript 1 is above array b= ounds of 'struct page *[1]' [-Warray-bounds] 133 | token->kaddr =3D page_address(token->eb->pages[idx + 1]); \ | ~~~~~~~~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:161:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 161 | DEFINE_BTRFS_SETGET_BITS(16) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_set_16': fs/btrfs/struct-funcs.c:156:32: warning: array subscript 1 is above array b= ounds of 'struct page * const[1]' [-Warray-bounds] 156 | kaddr =3D page_address(eb->pages[idx + 1]); \ | ~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:161:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 161 | DEFINE_BTRFS_SETGET_BITS(16) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_get_token_32': fs/btrfs/struct-funcs.c:80:46: warning: array subscript 1 is above array bo= unds of 'struct page *[1]' [-Warray-bounds] 80 | token->kaddr =3D page_address(token->eb->pages[idx + 1]); \ | ~~~~~~~~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:162:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 162 | DEFINE_BTRFS_SETGET_BITS(32) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_get_32': fs/btrfs/struct-funcs.c:101:32: warning: array subscript 1 is above array b= ounds of 'struct page * const[1]' [-Warray-bounds] 101 | kaddr =3D page_address(eb->pages[idx + 1]); \ | ~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:162:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 162 | DEFINE_BTRFS_SETGET_BITS(32) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_set_token_32': fs/btrfs/struct-funcs.c:133:46: warning: array subscript 1 is above array b= ounds of 'struct page *[1]' [-Warray-bounds] 133 | token->kaddr =3D page_address(token->eb->pages[idx + 1]); \ | ~~~~~~~~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:162:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 162 | DEFINE_BTRFS_SETGET_BITS(32) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_set_32': fs/btrfs/struct-funcs.c:156:32: warning: array subscript 1 is above array b= ounds of 'struct page * const[1]' [-Warray-bounds] 156 | kaddr =3D page_address(eb->pages[idx + 1]); \ | ~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:162:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 162 | DEFINE_BTRFS_SETGET_BITS(32) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_get_token_64': fs/btrfs/struct-funcs.c:80:46: warning: array subscript 1 is above array bo= unds of 'struct page *[1]' [-Warray-bounds] 80 | token->kaddr =3D page_address(token->eb->pages[idx + 1]); \ | ~~~~~~~~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:163:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 163 | DEFINE_BTRFS_SETGET_BITS(64) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_get_64': fs/btrfs/struct-funcs.c:101:32: warning: array subscript 1 is above array b= ounds of 'struct page * const[1]' [-Warray-bounds] 101 | kaddr =3D page_address(eb->pages[idx + 1]); \ | ~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:163:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 163 | DEFINE_BTRFS_SETGET_BITS(64) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_set_token_64': fs/btrfs/struct-funcs.c:133:46: warning: array subscript 1 is above array b= ounds of 'struct page *[1]' [-Warray-bounds] 133 | token->kaddr =3D page_address(token->eb->pages[idx + 1]); \ | ~~~~~~~~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:163:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 163 | DEFINE_BTRFS_SETGET_BITS(64) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from fs/btrfs/ctree.h:9, from fs/btrfs/struct-funcs.c:8: fs/btrfs/struct-funcs.c: In function 'btrfs_set_64': fs/btrfs/struct-funcs.c:156:32: warning: array subscript 1 is above array b= ounds of 'struct page * const[1]' [-Warray-bounds] 156 | kaddr =3D page_address(eb->pages[idx + 1]); \ | ~~~~~~~~~^~~~~~~~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ fs/btrfs/struct-funcs.c:163:1: note: in expansion of macro 'DEFINE_BTRFS_SE= TGET_BITS' 163 | DEFINE_BTRFS_SETGET_BITS(64) | ^~~~~~~~~~~~~~~~~~~~~~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/struct-funcs.c:8: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ In file included from include/linux/bvec.h:14, from include/linux/blk_types.h:10, from include/linux/genhd.h:19, from include/linux/blkdev.h:8, from fs/btrfs/disk-io.c:7: fs/btrfs/disk-io.c: In function 'csum_tree_block': fs/btrfs/disk-io.c:225:34: warning: array subscript 1 is above array bounds= of 'struct page *[1]' [-Warray-bounds] 225 | kaddr =3D page_address(buf->pages[i]); | ~~~~~~~~~~^~~ include/linux/mm.h:1627:48: note: in definition of macro 'page_address' 1627 | #define page_address(page) lowmem_page_address(page) | ^~~~ In file included from fs/btrfs/ctree.h:32, from fs/btrfs/disk-io.c:22: fs/btrfs/extent_io.h:97:15: note: while referencing 'pages' 97 | struct page *pages[INLINE_EXTENT_BUFFER_PAGES]; | ^~~~~ Introduced by commit 8d7900f545f1 ("Makefile: Enable -Warray-bounds") --=20 Cheers, Stephen Rothwell --Sig_/ZYMtYl+EaQ81t.y/0T093tr Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmDSZoUACgkQAVBC80lX 0Gyx3Qf+OfjsNPJXQRPtHo/tXL4MeLKOzhgDB+vJB6VlTo5JbfNPqoN74xv+owW4 Ov9zncHlTwekQzEfCcIOyDKE/hotaD7A9l69cAhkkqyhvmFzxK9jLv3WD9MVn797 DXL+DTBHTjvbHBFu2jRJ1E0qAPBJGUmIEkfxQrhA4IOtVSClFSoN6amqpk6wpFoV sPVw/+c7iwIG7aBgPQ7FkgUDfqAqt1J2DKJWrLfhBcBk4WdLurwP7a83CTHpT2uS ukZ77RWyKtdkCpRjEFllA4U20OuWiMHvn0uV/0C6r0ZjaS4A3lYRV9PenwgMujqS VZkwfwN53nwQ/Cw61wu/O7DuuwpFWA== =J+Ls -----END PGP SIGNATURE----- --Sig_/ZYMtYl+EaQ81t.y/0T093tr--