Index: sys/compat/linux/linux_file.c
===================================================================
--- sys/compat/linux/linux_file.c
+++ sys/compat/linux/linux_file.c
@@ -235,10 +235,42 @@
 }
 #endif
 
+static bool
+linux_fd_is_tty(struct thread *td, int fd)
+{
+	struct file *fp;
+	struct vnode *vp;
+	int error;
+	bool is_tty;
+
+	error = fget(td, fd, &cap_no_rights, &fp);
+	if (error != 0)
+		return (false);
+
+	if (fp->f_type != DTYPE_VNODE || fp->f_vnode->v_type != VCHR) {
+		fdrop(fp, td);
+		return (false);
+	}
+
+	vp = fp->f_vnode;
+	dev_lock();
+	if (vp->v_rdev != NULL && (vp->v_rdev->si_devsw->d_flags & D_TTY) != 0)
+		is_tty = true;
+	else
+		is_tty = false;
+	dev_unlock();
+	fdrop(fp, td);
+
+	return (is_tty);
+}
+
 int
 linux_lseek(struct thread *td, struct linux_lseek_args *args)
 {
 
+	if (linux_fd_is_tty(td, args->fdes))
+		return (ESPIPE);
+
 	return (kern_lseek(td, args->fdes, args->off, args->whence));
 }
 
@@ -248,6 +280,9 @@
 {
 	int error;
 	off_t off;
+
+	if (linux_fd_is_tty(td, args->fd))
+		return (ESPIPE);
 
 	off = (args->olow) | (((off_t) args->ohigh) << 32);