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=-5.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 73047C2B9F4 for ; Tue, 22 Jun 2021 23:06:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 569B3611CE for ; Tue, 22 Jun 2021 23:06:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229718AbhFVXIz (ORCPT ); Tue, 22 Jun 2021 19:08:55 -0400 Received: from gateway22.websitewelcome.com ([192.185.46.225]:49035 "EHLO gateway22.websitewelcome.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229675AbhFVXIx (ORCPT ); Tue, 22 Jun 2021 19:08:53 -0400 X-Greylist: delayed 1301 seconds by postgrey-1.27 at vger.kernel.org; Tue, 22 Jun 2021 19:08:53 EDT Received: from cm12.websitewelcome.com (cm12.websitewelcome.com [100.42.49.8]) by gateway22.websitewelcome.com (Postfix) with ESMTP id 3A7BEDABC for ; Tue, 22 Jun 2021 17:44:54 -0500 (CDT) Received: from gator4166.hostgator.com ([108.167.133.22]) by cmsmtp with SMTP id vp8YlzCgSuywRvp8YlnRNx; Tue, 22 Jun 2021 17:44:54 -0500 X-Authority-Reason: nr=8 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=embeddedor.com; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=OJUkMfA+JgaB80nhxjaqKdAAwKPsyK2LZa1fEH8Nw5s=; b=UkTaRtw+7uscS7vpYWGhKYBUxi Ryh4QO8h29fQZjybia8sDUAR5CtE2Dv4upNLEYjUyuxOJ2zCVLRfZ7Q4Cl7dkRK6/kLDNFoTjEng3 SyTvo23qRKXZdjhsn6DMfvqqjnlXdTI99sFxooC4M2BCzSSsIr+mQ+mq/XrBw5AgWCv58eu59lgsf UpeGMCIDhTqaudQysNfSgO6qn49I++KSy3ImQuYGUtshiebs9loB1vPlIQ20J3p506dUvwNKIaKOB TnAB7MtjEjPrtAoR9Pl5zvU54ZruH3zdJQNjnJlfG6T9Hx0H5qaNRy9sw+bLK8Yu0jOyvSUsHjgnO 3cGVbTtA==; Received: from 187-162-31-110.static.axtel.net ([187.162.31.110]:45646 helo=[192.168.15.8]) by gator4166.hostgator.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94.2) (envelope-from ) id 1lvp8U-002vwe-TR; Tue, 22 Jun 2021 17:44:51 -0500 Subject: Re: linux-next: build warning after merge of the kspp-gustavo tree To: Stephen Rothwell Cc: Kees Cook , Linux Kernel Mailing List , Linux Next Mailing List , David Sterba References: <20210623083901.1d49d19d@canb.auug.org.au> From: "Gustavo A. R. Silva" Message-ID: Date: Tue, 22 Jun 2021 17:46:25 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210623083901.1d49d19d@canb.auug.org.au> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator4166.hostgator.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - embeddedor.com X-BWhitelist: no X-Source-IP: 187.162.31.110 X-Source-L: No X-Exim-ID: 1lvp8U-002vwe-TR X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: 187-162-31-110.static.axtel.net ([192.168.15.8]) [187.162.31.110]:45646 X-Source-Auth: gustavo@embeddedor.com X-Email-Count: 17 X-Source-Cap: Z3V6aWRpbmU7Z3V6aWRpbmU7Z2F0b3I0MTY2Lmhvc3RnYXRvci5jb20= X-Local-Domain: yes Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Hi Stephen, I will remove that commit and work on fixing those issues before trying again. Thanks for the report! -- Gustavo On 6/22/21 17:39, Stephen Rothwell wrote: > 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 bounds of 'struct page *[1]' [-Warray-bounds] > 80 | token->kaddr = 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_SETGET_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 bounds of 'struct page * const[1]' [-Warray-bounds] > 101 | kaddr = 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_SETGET_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 bounds of 'struct page *[1]' [-Warray-bounds] > 133 | token->kaddr = 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_SETGET_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 bounds of 'struct page * const[1]' [-Warray-bounds] > 156 | kaddr = 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_SETGET_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 bounds of 'struct page *[1]' [-Warray-bounds] > 80 | token->kaddr = 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_SETGET_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 bounds of 'struct page * const[1]' [-Warray-bounds] > 101 | kaddr = 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_SETGET_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 bounds of 'struct page *[1]' [-Warray-bounds] > 133 | token->kaddr = 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_SETGET_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 bounds of 'struct page * const[1]' [-Warray-bounds] > 156 | kaddr = 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_SETGET_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 bounds of 'struct page *[1]' [-Warray-bounds] > 80 | token->kaddr = 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_SETGET_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 bounds of 'struct page * const[1]' [-Warray-bounds] > 101 | kaddr = 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_SETGET_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 bounds of 'struct page *[1]' [-Warray-bounds] > 133 | token->kaddr = 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_SETGET_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 bounds of 'struct page * const[1]' [-Warray-bounds] > 156 | kaddr = 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_SETGET_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 = 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") >