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authorGünther Noack <gnoack@google.com>2024-04-19 16:11:22 +0000
committerMickaël Salaün <mic@digikod.net>2024-05-13 06:58:35 +0200
commitd1654fd98be731b08d2b7b857ef2026df6767e3d (patch)
treead1d3cc794435255766275d856e8659bb29eeb29
parent943aa818cd6606a1385130bc72f5066b82fe4346 (diff)
fs/ioctl: Add a comment to keep the logic in sync with LSM policies
Landlock's IOCTL support needs to partially replicate the list of IOCTLs from do_vfs_ioctl(). The list of commands implemented in do_vfs_ioctl() should be kept in sync with Landlock's IOCTL policies. Suggested-by: Paul Moore <paul@paul-moore.com> Suggested-by: Mickaël Salaün <mic@digikod.net> Signed-off-by: Günther Noack <gnoack@google.com> Link: https://lore.kernel.org/r/20240419161122.2023765-12-gnoack@google.com Signed-off-by: Mickaël Salaün <mic@digikod.net>
-rw-r--r--fs/ioctl.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ioctl.c b/fs/ioctl.c
index fb0628e680c4..64776891120c 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -796,6 +796,9 @@ static int ioctl_get_fs_sysfs_path(struct file *file, void __user *argp)
*
* When you add any new common ioctls to the switches above and below,
* please ensure they have compatible arguments in compat mode.
+ *
+ * The LSM mailing list should also be notified of any command additions or
+ * changes, as specific LSMs may be affected.
*/
static int do_vfs_ioctl(struct file *filp, unsigned int fd,
unsigned int cmd, unsigned long arg)