diff mbox series

[RFC,6/6] tomoyo: explicitly skip mediation of O_PATH file descriptors

Message ID 20250312212148.274205-7-ryan.lee@canonical.com (mailing list archive)
State Handled Elsewhere
Delegated to: Paul Moore
Headers show
Series fs, lsm: mediate O_PATH fd creation in file_open hook | expand

Commit Message

Ryan Lee March 12, 2025, 9:21 p.m. UTC 
Now that O_PATH fds are being passed to the file_open hook,
unconditionally skip mediation of them to preserve existing behavior.

Signed-off-by: Ryan Lee <ryan.lee@canonical.com>
---
 security/tomoyo/file.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index 8f3b90b6e03d..efecfa7d15b2 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -762,6 +762,10 @@  int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
 	};
 	int idx;
 
+	/* Preserve the behavior of O_PATH fd creation not being mediated */
+	if (flag & O_PATH)
+		return 0;
+
 	buf.name = NULL;
 	r.mode = TOMOYO_CONFIG_DISABLED;
 	idx = tomoyo_read_lock();