From owner-freebsd-bugs@FreeBSD.ORG  Sat Jun 30 13:20:02 2007
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
X-Original-To: freebsd-bugs@hub.freebsd.org
Delivered-To: freebsd-bugs@hub.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id BEEAE16A421
	for <freebsd-bugs@hub.freebsd.org>;
	Sat, 30 Jun 2007 13:20:02 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org [69.147.83.40])
	by mx1.freebsd.org (Postfix) with ESMTP id 860D813C45A
	for <freebsd-bugs@hub.freebsd.org>;
	Sat, 30 Jun 2007 13:20:02 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id l5UDK2cA037560
	for <freebsd-bugs@freefall.freebsd.org>; Sat, 30 Jun 2007 13:20:02 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.13.4/8.13.4/Submit) id l5UDK2vZ037559;
	Sat, 30 Jun 2007 13:20:02 GMT (envelope-from gnats)
Resent-Date: Sat, 30 Jun 2007 13:20:02 GMT
Resent-Message-Id: <200706301320.l5UDK2vZ037559@freefall.freebsd.org>
Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer)
Resent-To: freebsd-bugs@FreeBSD.org
Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org,
	Michiel Boland <michiel@boland.org>
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 89CC316A41F
	for <freebsd-gnats-submit@FreeBSD.org>;
	Sat, 30 Jun 2007 13:14:38 +0000 (UTC)
	(envelope-from nobody@FreeBSD.org)
Received: from www.freebsd.org (www.freebsd.org [69.147.83.33])
	by mx1.freebsd.org (Postfix) with ESMTP id 6185F13C448
	for <freebsd-gnats-submit@FreeBSD.org>;
	Sat, 30 Jun 2007 13:14:38 +0000 (UTC)
	(envelope-from nobody@FreeBSD.org)
Received: from www.freebsd.org (localhost [127.0.0.1])
	by www.freebsd.org (8.13.1/8.13.1) with ESMTP id l5UDEcoo054599
	for <freebsd-gnats-submit@FreeBSD.org>; Sat, 30 Jun 2007 13:14:38 GMT
	(envelope-from nobody@www.freebsd.org)
Received: (from nobody@localhost)
	by www.freebsd.org (8.13.1/8.13.1/Submit) id l5UDEbOI054597;
	Sat, 30 Jun 2007 13:14:37 GMT (envelope-from nobody)
Message-Id: <200706301314.l5UDEbOI054597@www.freebsd.org>
Date: Sat, 30 Jun 2007 13:14:37 GMT
From: Michiel Boland <michiel@boland.org>
To: freebsd-gnats-submit@FreeBSD.org
X-Send-Pr-Version: www-3.0
Cc: 
Subject: kern/114155: sigsuspend gets interrupted by ptrace
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 30 Jun 2007 13:20:02 -0000


>Number:         114155
>Category:       kern
>Synopsis:       sigsuspend gets interrupted by ptrace
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jun 30 13:20:01 GMT 2007
>Closed-Date:
>Last-Modified:
>Originator:     Michiel Boland
>Release:        FreeBSD 7.0-CURRENT amd64
>Organization:
>Environment:
FreeBSD aja.boland.org 7.0-CURRENT FreeBSD 7.0-CURRENT #1: Fri Jun 29 02:55:35 CEST 2007     root@aja.boland.org:/usr/obj/usr/src/sys/AJA  amd64
>Description:
The sigsuspend() system call gets interrupted when
another process attaches itself via ptrace.

>How-To-Repeat:
#include
<unistd.h>

int main(void)
{
        pause();
        return 0;
}
 
$ ./a.out &
$ truss -p `pgrep a.out`
process exit, rval = 0  
[1]   Done                    ./a.out
$

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: