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")
>
