From 088ad7e529ff97273d238dcbc8d47014c27f6741 Mon Sep 17 00:00:00 2001
From: deraadt <deraadt@openbsd.org>
Date: Mon, 11 Dec 2023 00:40:31 +0000
Subject: [PATCH] Report system call pinning violations.

---
 usr.bin/lastcomm/lastcomm.1 | 8 ++++++--
 usr.bin/lastcomm/lastcomm.c | 3 ++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/usr.bin/lastcomm/lastcomm.1 b/usr.bin/lastcomm/lastcomm.1
index 5fc0bb1dac9..45ac2087324 100644
--- a/usr.bin/lastcomm/lastcomm.1
+++ b/usr.bin/lastcomm/lastcomm.1
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: lastcomm.1,v 1.25 2023/02/21 14:31:07 deraadt Exp $
+.\"	$OpenBSD: lastcomm.1,v 1.26 2023/12/11 00:40:31 deraadt Exp $
 .\"	$NetBSD: lastcomm.1,v 1.5 1995/10/22 01:43:41 ghudson Exp $
 .\"
 .\" Copyright (c) 1980, 1990, 1993
@@ -30,7 +30,7 @@
 .\"
 .\"	@(#)lastcomm.1	8.1 (Berkeley) 6/6/93
 .\"
-.Dd $Mdocdate: February 21 2023 $
+.Dd $Mdocdate: December 11 2023 $
 .Dt LASTCOMM 1
 .Os
 .Sh NAME
@@ -122,6 +122,10 @@ pointer was not in stack memory.
 The command was terminated due to a
 .Xr pledge 2
 violation.
+.It Li S
+The command tried to execute a system call from the wrong
+system call instruction, see
+.Xr pinsyscalls 2 .
 .It Li T
 The command did a memory access violation detected by a
 processor trap.
diff --git a/usr.bin/lastcomm/lastcomm.c b/usr.bin/lastcomm/lastcomm.c
index 23078738828..865860503ba 100644
--- a/usr.bin/lastcomm/lastcomm.c
+++ b/usr.bin/lastcomm/lastcomm.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: lastcomm.c,v 1.33 2023/02/21 14:31:07 deraadt Exp $	*/
+/*	$OpenBSD: lastcomm.c,v 1.34 2023/12/11 00:40:31 deraadt Exp $	*/
 /*	$NetBSD: lastcomm.c,v 1.9 1995/10/22 01:43:42 ghudson Exp $	*/
 
 /*
@@ -178,6 +178,7 @@ flagbits(int f)
 	BIT(ATRAP, 'T');
 	BIT(AUNVEIL, 'U');
 	BIT(AEXECVE, 'E');
+	BIT(APINSYS, 'S');
 	*p = '\0';
 	return (flags);
 }
-- 
2.20.1