From: Stephen Rothwell <sfr@canb.auug.org.au>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Kees Cook <keescook@chromium.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Next Mailing List <linux-next@vger.kernel.org>,
David Sterba <dsterba@suse.cz>
Subject: linux-next: build warning after merge of the kspp-gustavo tree
Date: Wed, 23 Jun 2021 08:39:01 +1000 [thread overview]
Message-ID: <20210623083901.1d49d19d@canb.auug.org.au> (raw)
[-- Attachment #1: Type: text/plain, Size: 13061 bytes --]
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")
--
Cheers,
Stephen Rothwell
[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 488 bytes --]
next reply other threads:[~2021-06-22 22:39 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-22 22:39 Stephen Rothwell [this message]
2021-06-22 22:46 ` linux-next: build warning after merge of the kspp-gustavo tree Gustavo A. R. Silva
2021-06-22 23:01 ` Gustavo A. R. Silva
2021-06-23 3:03 ` Stephen Rothwell
2021-06-23 13:14 ` David Sterba
2021-06-23 18:39 ` Gustavo A. R. Silva
2021-07-13 0:22 Stephen Rothwell
2021-07-13 1:10 ` Gustavo A. R. Silva
2021-07-13 2:39 ` Gustavo A. R. Silva
2021-09-29 23:53 Stephen Rothwell
2021-09-30 0:05 ` Gustavo A. R. Silva
2023-11-21 22:47 Stephen Rothwell
2023-11-21 23:07 ` Gustavo A. R. Silva
2023-11-21 23:19 ` Stephen Rothwell
2023-11-21 23:23 ` Gustavo A. R. Silva
2023-11-21 22:50 Stephen Rothwell
2023-11-21 23:19 ` Gustavo A. R. Silva
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210623083901.1d49d19d@canb.auug.org.au \
--to=sfr@canb.auug.org.au \
--cc=dsterba@suse.cz \
--cc=gustavo@embeddedor.com \
--cc=keescook@chromium.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).