From nobody Fri Oct 15 23:09:46 2021 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id ED34017FD1D2; Fri, 15 Oct 2021 23:09:46 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4HWMRZ5Gzyz3mR2; Fri, 15 Oct 2021 23:09:46 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 908AF6EE2; Fri, 15 Oct 2021 23:09:46 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 19FN9kZw019800; Fri, 15 Oct 2021 23:09:46 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 19FN9kW1019799; Fri, 15 Oct 2021 23:09:46 GMT (envelope-from git) Date: Fri, 15 Oct 2021 23:09:46 GMT Message-Id: <202110152309.19FN9kW1019799@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Cy Schubert Subject: git: fc393054398e - main - ntp: Revert "Disable ntpd stack gap. When ASLR with STACK GAP != 0 ntpd suffers SIGSEGV." List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: cy X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: fc393054398ea50fb0cee52704e9385afe888b48 Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by cy: URL: https://cgit.FreeBSD.org/src/commit/?id=fc393054398ea50fb0cee52704e9385afe888b48 commit fc393054398ea50fb0cee52704e9385afe888b48 Author: Cy Schubert AuthorDate: 2021-08-16 15:05:50 +0000 Commit: Cy Schubert CommitDate: 2021-10-15 23:06:26 +0000 ntp: Revert "Disable ntpd stack gap. When ASLR with STACK GAP != 0 ntpd suffers SIGSEGV." This reverts commit 55263180628a386ad38b4b6621919220b137f770 because the underlying problem was fixed by 889b56c8cd84c9a9f2d9e3b019c154d6f14d9021. MFC after: 1 month --- contrib/ntp/ntpd/ntpd.c | 23 ----------------------- 1 file changed, 23 deletions(-) diff --git a/contrib/ntp/ntpd/ntpd.c b/contrib/ntp/ntpd/ntpd.c index aac315c430da..a5591de79ff5 100644 --- a/contrib/ntp/ntpd/ntpd.c +++ b/contrib/ntp/ntpd/ntpd.c @@ -145,17 +145,6 @@ # include #endif /* LIBSECCOMP and KERN_SECCOMP */ -#ifdef __FreeBSD__ -#include -#ifndef PROC_STACKGAP_CTL -/* - * Even if we compile on an older system we can still run on a newer one. - */ -#define PROC_STACKGAP_CTL 17 -#define PROC_STACKGAP_DISABLE 0x0002 -#endif -#endif - #ifdef HAVE_DNSREGISTRATION # include DNSServiceRef mdns; @@ -438,18 +427,6 @@ main( char *argv[] ) { -# ifdef __FreeBSD__ - { - /* - * We Must disable ASLR stack gap on FreeBSD to avoid a - * segfault. See PR/241421 and PR/241960. - */ - int aslr_var = PROC_STACKGAP_DISABLE; - - pid_t my_pid = getpid(); - procctl(P_PID, my_pid, PROC_STACKGAP_CTL, &aslr_var); - } -# endif return ntpdmain(argc, argv); } #endif /* !SYS_WINNT */