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From: Jeffrey Bencteux <jeff@bencteux.fr>
To: mic@digikod.net, gnoack@google.com, paul@paul-moore.com,
	jmorris@namei.org, serge@hallyn.com
Cc: linux-security-module@vger.kernel.org, jeff@bencteux.fr
Subject: [PATCH 4/5] samples/landlock: add support for chown and chmod
Date: Sun, 12 Apr 2026 11:50:43 +0200	[thread overview]
Message-ID: <20260412095233.34306-5-jeff@bencteux.fr> (raw)
In-Reply-To: <20260412095233.34306-1-jeff@bencteux.fr>

Update sandboxer.c sample code with restriction for chown and chmod
system calls families

Signed-off-by: Jeffrey Bencteux <jeff@bencteux.fr>
---
 samples/landlock/sandboxer.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/samples/landlock/sandboxer.c b/samples/landlock/sandboxer.c
index e7af02f98208..551e9a33665a 100644
--- a/samples/landlock/sandboxer.c
+++ b/samples/landlock/sandboxer.c
@@ -111,7 +111,9 @@ static int parse_path(char *env_path, const char ***const path_list)
 	LANDLOCK_ACCESS_FS_WRITE_FILE | \
 	LANDLOCK_ACCESS_FS_READ_FILE | \
 	LANDLOCK_ACCESS_FS_TRUNCATE | \
-	LANDLOCK_ACCESS_FS_IOCTL_DEV)
+	LANDLOCK_ACCESS_FS_IOCTL_DEV | \
+	LANDLOCK_ACCESS_FS_CHMOD | \
+	LANDLOCK_ACCESS_FS_CHOWN)
 
 /* clang-format on */
 
@@ -295,7 +297,9 @@ static bool check_ruleset_scope(const char *const env_var,
 	LANDLOCK_ACCESS_FS_MAKE_SYM | \
 	LANDLOCK_ACCESS_FS_REFER | \
 	LANDLOCK_ACCESS_FS_TRUNCATE | \
-	LANDLOCK_ACCESS_FS_IOCTL_DEV)
+	LANDLOCK_ACCESS_FS_IOCTL_DEV | \
+	LANDLOCK_ACCESS_FS_CHMOD | \
+	LANDLOCK_ACCESS_FS_CHOWN)
 
 /* clang-format on */
 
-- 
2.53.0


  parent reply	other threads:[~2026-04-12 10:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-12  9:50 landlock: Add support for chmod and chown system calls families Jeffrey Bencteux
2026-04-12  9:50 ` [PATCH 1/5] selftests/landlock: fix return condition on create_directory Jeffrey Bencteux
2026-04-12  9:50 ` [PATCH 2/5] landlock: add support for chmod and chown Jeffrey Bencteux
2026-04-12  9:50 ` [PATCH 3/5] selftests/landlock: add tests for chmod and chown restrictions Jeffrey Bencteux
2026-04-12  9:50 ` Jeffrey Bencteux [this message]
2026-04-12  9:50 ` [PATCH 5/5] landlock: Document chmod and chown support in example code Jeffrey Bencteux
2026-04-13 12:36 ` landlock: Add support for chmod and chown system calls families Günther Noack
2026-04-13 19:51   ` Jeffrey Bencteux

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