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From: Stefan Berger <stefanb@linux.ibm.com>
To: linux-integrity@vger.kernel.org,
	linux-security-module@vger.kernel.org,
	linux-unionfs@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, paul@paul-moore.com,
	jmorris@namei.org, serge@hallyn.com, zohar@linux.ibm.com,
	roberto.sassu@huawei.com, amir73il@gmail.com, brauner@kernel.org,
	miklos@szeredi.hu, Stefan Berger <stefanb@linux.ibm.com>
Subject: [PATCH v3 09/10] fs: Rename SB_I_EVM_UNSUPPORTED to SB_I_EVM_HMAC_UNSUPPORTED
Date: Fri, 23 Feb 2024 12:25:12 -0500	[thread overview]
Message-ID: <20240223172513.4049959-10-stefanb@linux.ibm.com> (raw)
In-Reply-To: <20240223172513.4049959-1-stefanb@linux.ibm.com>

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 <amir73il@gmail.com>
Suggested-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Acked-by: Amir Goldstein <amir73il@gmail.com>
---
 fs/overlayfs/super.c              | 2 +-
 include/linux/fs.h                | 2 +-
 security/integrity/evm/evm_main.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

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;
 	}
-- 
2.43.0


  parent reply	other threads:[~2024-02-23 17:25 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-23 17:25 [PATCH v3 00/10] evm: Support signatures on stacked filesystem Stefan Berger
2024-02-23 17:25 ` [PATCH v3 01/10] ima: Rename backing_inode to real_inode Stefan Berger
2024-03-19 22:50   ` Mimi Zohar
2024-02-23 17:25 ` [PATCH v3 02/10] security: allow finer granularity in permitting copy-up of security xattrs Stefan Berger
2024-03-19 22:51   ` Mimi Zohar
2024-02-23 17:25 ` [PATCH v3 03/10] evm: Implement per signature type decision in security_inode_copy_up_xattr Stefan Berger
2024-03-19 22:51   ` Mimi Zohar
2024-02-23 17:25 ` [PATCH v3 04/10] evm: Use the metadata inode to calculate metadata hash Stefan Berger
2024-03-19 22:51   ` Mimi Zohar
2024-02-23 17:25 ` [PATCH v3 05/10] ima: Move file-change detection variables into new structure Stefan Berger
2024-02-23 17:25 ` [PATCH v3 06/10] evm: Store and detect metadata inode attributes changes Stefan Berger
2024-02-23 17:25 ` [PATCH v3 07/10] ima: re-evaluate file integrity on file metadata change Stefan Berger
2024-03-19 22:53   ` Mimi Zohar
2024-02-23 17:25 ` [PATCH v3 08/10] evm: Enforce signatures on unsupported filesystem for EVM_INIT_X509 Stefan Berger
2024-03-19 23:26   ` Mimi Zohar
2024-02-23 17:25 ` Stefan Berger [this message]
2024-03-19 22:53   ` [PATCH v3 09/10] fs: Rename SB_I_EVM_UNSUPPORTED to SB_I_EVM_HMAC_UNSUPPORTED Mimi Zohar
2024-02-23 17:25 ` [PATCH v3 10/10] evm: Rename is_unsupported_fs to is_unsupported_hmac_fs Stefan Berger
2024-03-19 22:53   ` Mimi Zohar
2024-04-09 21:29 ` [PATCH v3 00/10] evm: Support signatures on stacked filesystem Mimi Zohar

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