Index: sys/kern/vfs_lookup.c
===================================================================
--- sys/kern/vfs_lookup.c
+++ sys/kern/vfs_lookup.c
@@ -86,6 +86,9 @@
 	ndp->ni_cnd.cn_flags |= ISRESTARTED;				\
 } while (0)
 
+FEATURE(rnosymlink, "supports RESOLVE_NO_SYMLINK");
+FEATURE(rbeneath, "supports RESOLVE_BENEATH");
+
 SDT_PROVIDER_DEFINE(vfs);
 SDT_PROBE_DEFINE4(vfs, namei, lookup, entry, "struct vnode *", "char *",
     "unsigned long", "bool");
@@ -1330,6 +1333,11 @@
 			error = ENOENT;
 			goto bad2;
 		}
+		if (cnp->cn_flags & RNOSYMLINK) {
+			/* Linux openat2() behavior for RESOLVE_NO_SYMLINKS */
+			error = ELOOP;
+			goto bad2;
+		}
 		if (dp->v_mount->mnt_flag & MNT_NOSYMFOLLOW) {
 			error = EACCES;
 			goto bad2;
Index: sys/kern/vfs_vnops.c
===================================================================
--- sys/kern/vfs_vnops.c
+++ sys/kern/vfs_vnops.c
@@ -200,6 +200,8 @@
 	res = ISOPEN | LOCKLEAF;
 	if ((fmode & O_RESOLVE_BENEATH) != 0)
 		res |= RBENEATH;
+	if ((fmode & O_RESOLVE_NO_SYMLINKS) != 0)
+		res |= RNOSYMLINK;
 	if ((fmode & O_EMPTY_PATH) != 0)
 		res |= EMPTYPATH;
 	if ((fmode & FREAD) != 0)
Index: sys/sys/fcntl.h
===================================================================
--- sys/sys/fcntl.h
+++ sys/sys/fcntl.h
@@ -140,6 +140,7 @@
 #define	O_DSYNC		0x01000000	/* POSIX data sync */
 #if __BSD_VISIBLE
 #define	O_EMPTY_PATH	0x02000000
+#define	O_RESOLVE_NO_SYMLINKS	0x04000000
 #endif
 
 /*
Index: sys/sys/namei.h
===================================================================
--- sys/sys/namei.h
+++ sys/sys/namei.h
@@ -150,6 +150,7 @@
 #define	LOCKSHARED	0x0100	/* Shared lock leaf */
 #define	NOFOLLOW	0x0000	/* do not follow symbolic links (pseudo) */
 #define	RBENEATH	0x100000000ULL /* No escape, even tmp, from start dir */
+#define	RNOSYMLINK	0x200000000ULL /* Do not follow any symbolic links */
 #define	MODMASK		0xf000001ffULL	/* mask of operational modifiers */
 
 /*