[v3,09/10] fs: Rename SB_I_EVM_UNSUPPORTED to SB_I_EVM_HMAC_UNSUPPORTED

Commit Message

Stefan Berger Feb. 23, 2024, 5:25 p.m. UTC

Now that EVM supports RSA signatures for previously completely
unsupported filesystems rename the flag SB_I_EVM_UNSUPPORTED to
SB_I_EVM_HMAC_UNSUPPORTED to reflect that only HMAC is not supported.

Suggested-by: Amir Goldstein <[e-mail]>
Suggested-by: Mimi Zohar <[e-mail]>
Signed-off-by: Stefan Berger <[e-mail]>
Acked-by: Amir Goldstein <[e-mail]>
---
 fs/overlayfs/super.c              | 2 +-
 include/linux/fs.h                | 2 +-
 security/integrity/evm/evm_main.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

Comments

Mimi Zohar March 19, 2024, 10:53 p.m. UTC | #1

On Fri, 2024-02-23 at 12:25 -0500, Stefan Berger wrote:
> Now that EVM supports RSA signatures for previously completely
> unsupported filesystems rename the flag SB_I_EVM_UNSUPPORTED to
> SB_I_EVM_HMAC_UNSUPPORTED to reflect that only HMAC is not supported.
> 
> Suggested-by: Amir Goldstein <[e-mail]>
> Suggested-by: Mimi Zohar <[e-mail]>
> Signed-off-by: Stefan Berger <[e-mail]>
> Acked-by: Amir Goldstein <[e-mail]>

Signed-off-by: Mimi Zohar <[e-mail]>

Patch

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 36d4b8b1f784..e05be454ec7a 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1460,7 +1460,7 @@  int ovl_fill_super(struct super_block *sb, struct fs_context *fc)
 	 * lead to unexpected results.
 	 */
 	sb->s_iflags |= SB_I_NOUMASK;
-	sb->s_iflags |= SB_I_EVM_UNSUPPORTED;
+	sb->s_iflags |= SB_I_EVM_HMAC_UNSUPPORTED;
 
 	err = -ENOMEM;
 	root_dentry = ovl_get_root(sb, ctx->upper.dentry, oe);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d055582a5efb..3920ab94d84a 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1177,7 +1177,7 @@  extern int send_sigurg(struct fown_struct *fown);
 #define SB_I_USERNS_VISIBLE		0x00000010 /* fstype already mounted */
 #define SB_I_IMA_UNVERIFIABLE_SIGNATURE	0x00000020
 #define SB_I_UNTRUSTED_MOUNTER		0x00000040
-#define SB_I_EVM_UNSUPPORTED		0x00000080
+#define SB_I_EVM_HMAC_UNSUPPORTED	0x00000080
 
 #define SB_I_SKIP_SYNC	0x00000100	/* Skip superblock at global sync */
 #define SB_I_PERSB_BDI	0x00000200	/* has a per-sb bdi */
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index cfb4f9809369..c4a6081ce596 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -155,7 +155,7 @@  static int is_unsupported_fs(struct dentry *dentry)
 {
 	struct inode *inode = d_backing_inode(dentry);
 
-	if (inode->i_sb->s_iflags & SB_I_EVM_UNSUPPORTED) {
+	if (inode->i_sb->s_iflags & SB_I_EVM_HMAC_UNSUPPORTED) {
 		pr_info_once("%s not supported\n", inode->i_sb->s_type->name);
 		return 1;
 	}