linux-kernel - [PATCH v2 3/3] overlay: disable EVM

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Message-Id: <20231219175206.12342-4-zohar@linux.ibm.com>
Date: Tue, 19 Dec 2023 12:52:06 -0500
From: Mimi Zohar <zohar@...ux.ibm.com>
To: linux-unionfs@...r.kernel.org
Cc: Mimi Zohar <zohar@...ux.ibm.com>, linux-integrity@...r.kernel.org,
        linux-kernel@...r.kernel.org, Amir Goldstein <amir73il@...il.com>,
        Christian Brauner <brauner@...nel.org>,
        Seth Forshee <sforshee@...nel.org>,
        Roberto Sassu <roberto.sassu@...weicloud.com>
Subject: [PATCH v2 3/3] overlay: disable EVM

Until a complete solution is developed, update 'sb->s_iflags' to
disable EVM.

Signed-off-by: Mimi Zohar <zohar@...ux.ibm.com>
---
 fs/overlayfs/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index a0967bb25003..e3d9c6c80a47 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -1454,6 +1454,7 @@ 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;
 
 	err = -ENOMEM;
 	root_dentry = ovl_get_root(sb, ctx->upper.dentry, oe);
-- 
2.39.3