[PATCH v6 11/11] ima: Don't remove security.ima if file must not be appraised
From: Roberto Sassu <roberto.sassu@huawei.com>
Date: 2021-05-05 11:35:24
Also in:
linux-security-module, lkml
Subsystem:
extended verification module (evm), integrity measurement architecture (ima), security subsystem, the rest · Maintainers:
Mimi Zohar, Roberto Sassu, Dmitry Kasatkin, Paul Moore, James Morris, "Serge E. Hallyn", Linus Torvalds
Files might come from a remote source and might have xattrs, including security.ima. It should not be IMA task to decide whether security.ima should be kept or not. This patch removes the removexattr() system call in ima_inode_post_setattr(). Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com> Reviewed-by: Mimi Zohar <zohar@linux.ibm.com> --- security/integrity/ima/ima_appraise.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index 23af45d8ac58..e1bd61f76f9e 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c@@ -532,8 +532,6 @@ void ima_inode_post_setattr(struct user_namespace *mnt_userns, return; action = ima_must_appraise(mnt_userns, inode, MAY_ACCESS, POST_SETATTR); - if (!action) - __vfs_removexattr(&init_user_ns, dentry, XATTR_NAME_IMA); iint = integrity_iint_find(inode); if (iint) { set_bit(IMA_CHANGE_ATTR, &iint->atomic_flags);
--
2.25.1