--- zzzz-none-000/linux-4.19.183/fs/notify/inotify/inotify_user.c	2021-03-24 10:07:39.000000000 +0000
+++ bcm63-7530ax-756/linux-4.19.183/fs/notify/inotify/inotify_user.c	2023-06-28 08:54:20.000000000 +0000
@@ -96,7 +96,7 @@
 	mask = (FS_IN_IGNORED | FS_EVENT_ON_CHILD | FS_UNMOUNT);
 
 	/* mask off the flags used to open the fd */
-	mask |= (arg & (IN_ALL_EVENTS | IN_ONESHOT | IN_EXCL_UNLINK));
+	mask |= (arg & (IN_ALL_EVENTS | IN_ONESHOT | IN_EXCL_UNLINK | IN_RECURSIVE));
 
 	return mask;
 }
@@ -819,6 +819,7 @@
 	BUILD_BUG_ON(IN_EXCL_UNLINK != FS_EXCL_UNLINK);
 	BUILD_BUG_ON(IN_ISDIR != FS_ISDIR);
 	BUILD_BUG_ON(IN_ONESHOT != FS_IN_ONESHOT);
+	BUILD_BUG_ON(IN_RECURSIVE != FS_EVENT_ON_CHILD_RECURSIVLY);
 
 	BUG_ON(hweight32(ALL_INOTIFY_BITS) != 22);