2023-09-30 07:51:56

by Wedson Almeida Filho

[permalink] [raw]
Subject: [PATCH 07/29] ecryptfs: move ecryptfs_xattr_handlers to .rodata

From: Wedson Almeida Filho <[email protected]>

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

Cc: Tyler Hicks <[email protected]>
Cc: [email protected]
Signed-off-by: Wedson Almeida Filho <[email protected]>
---
fs/ecryptfs/ecryptfs_kernel.h | 2 +-
fs/ecryptfs/inode.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index f2ed0c0266cb..c586c5db18b5 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -702,6 +702,6 @@ int ecryptfs_set_f_namelen(long *namelen, long lower_namelen,
int ecryptfs_derive_iv(char *iv, struct ecryptfs_crypt_stat *crypt_stat,
loff_t offset);

-extern const struct xattr_handler *ecryptfs_xattr_handlers[];
+extern const struct xattr_handler * const ecryptfs_xattr_handlers[];

#endif /* #ifndef ECRYPTFS_KERNEL_H */
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 83274915ba6d..18fcec208d9d 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1209,7 +1209,7 @@ static const struct xattr_handler ecryptfs_xattr_handler = {
.set = ecryptfs_xattr_set,
};

-const struct xattr_handler *ecryptfs_xattr_handlers[] = {
+const struct xattr_handler * const ecryptfs_xattr_handlers[] = {
&ecryptfs_xattr_handler,
NULL
};
--
2.34.1