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squashfs: move squashfs_xattr_handlers to .rodata

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This makes it harder for accidental or malicious changes to
squashfs_xattr_handlers at runtime.

Cc: Phillip Lougher <phillip@squashfs.org.uk>
Signed-off-by: Wedson Almeida Filho <walmeida@microsoft.com>
Link: https://lore.kernel.org/r/20230930050033.41174-25-wedsonaf@gmail.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Wedson Almeida Filho 2023-09-30 02:00:28 -03:00 committed by Christian Brauner
parent 149f455798
commit c08a831c74
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GPG Key ID: 91C61BC06578DCA2
2 changed files with 2 additions and 2 deletions
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2
fs/squashfs/squashfs.h
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@ -111,4 +111,4 @@ extern const struct address_space_operations squashfs_symlink_aops;
extern const struct inode_operations squashfs_symlink_inode_ops; extern const struct inode_operations squashfs_symlink_inode_ops;
/* xattr.c */ /* xattr.c */
extern const struct xattr_handler *squashfs_xattr_handlers[]; extern const struct xattr_handler * const squashfs_xattr_handlers[];

2
fs/squashfs/xattr.c
View File

@ -262,7 +262,7 @@ static const struct xattr_handler *squashfs_xattr_handler(int type)
} }
} }
const struct xattr_handler *squashfs_xattr_handlers[] = { const struct xattr_handler * const squashfs_xattr_handlers[] = {
&squashfs_xattr_user_handler, &squashfs_xattr_user_handler,
&squashfs_xattr_trusted_handler, &squashfs_xattr_trusted_handler,
&squashfs_xattr_security_handler, &squashfs_xattr_security_handler,