From af949c590bd8a00a5973b5875d7e0fa6832ea64a Mon Sep 17 00:00:00 2001
From: Marcin Wojtas <mw@FreeBSD.org>
Date: Fri, 21 May 2021 11:29:22 +0200
Subject: [PATCH] Disable stack gap for ntpd during build.

When starting, ntpd calls setrlimit(2) to limit maximum size of its
stack. The stack limit chosen by ntpd is 200K, so when stack gap
is enabled, the stack gap is larger than this limit, which results
in ntpd crashing.

Submitted by: Dawid Gorecki <dgr@semihalf.com>
Reviewed by: cy, imp
Obtained from: Semihalf
Sponsored by: Stormshield
Differential Revision: https://reviews.freebsd.org/D29553
---
 usr.sbin/ntp/ntpd/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/usr.sbin/ntp/ntpd/Makefile b/usr.sbin/ntp/ntpd/Makefile
index 2d8a8b9d2a2..b9c3a05547d 100644
--- a/usr.sbin/ntp/ntpd/Makefile
+++ b/usr.sbin/ntp/ntpd/Makefile
@@ -56,4 +56,7 @@ CLEANFILES+= .version version.c
 version.c:
 	sh -e ${.CURDIR:H}/scripts/mkver ntpd
 
+afterbuild:
+	${ELFCTL} -e +noaslrstkgap ${PROG}
+
 .include <bsd.prog.mk>