Thread (78 messages) flat view 78 messages, 14 authors, 2024-10-21

Re: [PATCH RFC v1 4/7] integrity: Fix inode numbers in audit records

From: Mickaël Salaün <mic@digikod.net>
Date: 2024-10-11 10:16:00
Also in: linux-fsdevel, linux-nfs

On Thu, Oct 10, 2024 at 09:20:52PM -0400, Paul Moore wrote:
On Oct 10, 2024 =?UTF-8?q?Micka=C3=ABl=20Sala=C3=BCn?= [off-list ref] wrote:
quoted
Use the new inode_get_ino() helper to log the user space's view of
inode's numbers instead of the private kernel values.

Cc: Mimi Zohar <zohar@linux.ibm.com>
Cc: Roberto Sassu <roberto.sassu@huawei.com>
Cc: Dmitry Kasatkin <dmitry.kasatkin@gmail.com>
Cc: Eric Snowberg <eric.snowberg@oracle.com>
Signed-off-by: Mickaël Salaün <mic@digikod.net>
---
 security/integrity/integrity_audit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
Should we also need to update the inode value used in hmac_add_misc()?
I'm not sure what the impact will be wrt backward compatibility. Mimi,
Roberto?
quoted hunk ↗ jump to hunk
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c
index 7c06ffd633d2..68ae454e187f 100644
--- a/security/integrity/evm/evm_crypto.c
+++ b/security/integrity/evm/evm_crypto.c
@@ -155,7 +155,7 @@ static void hmac_add_misc(struct shash_desc *desc, struct inode *inode,
         * signatures
         */
        if (type != EVM_XATTR_PORTABLE_DIGSIG) {
-               hmac_misc.ino = inode->i_ino;
+               hmac_misc.ino = inode_get_ino(inode->i_ino);
                hmac_misc.generation = inode->i_generation;
        }
        /* The hmac uid and gid must be encoded in the initial user

--
paul-moore.com
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