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From: Wedson Almeida Filho <wedsonaf@gmail.com>
To: Alexander Viro <viro@zeniv.linux.org.uk>,
Christian Brauner <brauner@kernel.org>,
linux-fsdevel@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
Wedson Almeida Filho <walmeida@microsoft.com>,
Jaegeuk Kim <jaegeuk@kernel.org>, Chao Yu <chao@kernel.org>,
linux-f2fs-devel@lists.sourceforge.net
Subject: [PATCH 10/29] f2fs: move f2fs_xattr_handlers and
f2fs_xattr_handler_map to .rodata
Date: Sat, 30 Sep 2023 02:00:14 -0300
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| Series |
const xattr tables
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Commit Message
Wedson Almeida Filho
Sept. 30, 2023, 5 a.m. UTC
From: Wedson Almeida Filho <walmeida@microsoft.com> This makes it harder for accidental or malicious changes to f2fs_xattr_handlers or f2fs_xattr_handler_map at runtime. Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: Chao Yu <chao@kernel.org> Cc: linux-f2fs-devel@lists.sourceforge.net Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> --- fs/f2fs/xattr.c | 4 ++-- fs/f2fs/xattr.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-)
Comments
On 2023/9/30 13:00, Wedson Almeida Filho wrote: > From: Wedson Almeida Filho <walmeida@microsoft.com> > > This makes it harder for accidental or malicious changes to > f2fs_xattr_handlers or f2fs_xattr_handler_map at runtime. > > Cc: Jaegeuk Kim <jaegeuk@kernel.org> > Cc: Chao Yu <chao@kernel.org> > Cc: linux-f2fs-devel@lists.sourceforge.net > Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com> Reviewed-by: Chao Yu <chao@kernel.org> Thanks,
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 476b186b90a6..3895a066f36c 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -189,7 +189,7 @@ const struct xattr_handler f2fs_xattr_security_handler = { .set = f2fs_xattr_generic_set, }; -static const struct xattr_handler *f2fs_xattr_handler_map[] = { +static const struct xattr_handler * const f2fs_xattr_handler_map[] = { [F2FS_XATTR_INDEX_USER] = &f2fs_xattr_user_handler, #ifdef CONFIG_F2FS_FS_POSIX_ACL [F2FS_XATTR_INDEX_POSIX_ACL_ACCESS] = &nop_posix_acl_access, @@ -202,7 +202,7 @@ static const struct xattr_handler *f2fs_xattr_handler_map[] = { [F2FS_XATTR_INDEX_ADVISE] = &f2fs_xattr_advise_handler, }; -const struct xattr_handler *f2fs_xattr_handlers[] = { +const struct xattr_handler * const f2fs_xattr_handlers[] = { &f2fs_xattr_user_handler, &f2fs_xattr_trusted_handler, #ifdef CONFIG_F2FS_FS_SECURITY diff --git a/fs/f2fs/xattr.h b/fs/f2fs/xattr.h index b1811c392e6f..a005ffdcf717 100644 --- a/fs/f2fs/xattr.h +++ b/fs/f2fs/xattr.h @@ -125,7 +125,7 @@ extern const struct xattr_handler f2fs_xattr_trusted_handler; extern const struct xattr_handler f2fs_xattr_advise_handler; extern const struct xattr_handler f2fs_xattr_security_handler; -extern const struct xattr_handler *f2fs_xattr_handlers[]; +extern const struct xattr_handler * const f2fs_xattr_handlers[]; extern int f2fs_setxattr(struct inode *, int, const char *, const void *, size_t, struct page *, int);