From owner-freebsd-bugs@FreeBSD.ORG Sun Aug 29 20:03:24 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D8B9010656A5; Sun, 29 Aug 2010 20:03:24 +0000 (UTC) (envelope-from vwe@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id CA6D58FC1B; Sun, 29 Aug 2010 20:03:24 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id o7TK3OKE046142; Sun, 29 Aug 2010 20:03:24 GMT (envelope-from vwe@freefall.freebsd.org) Received: (from vwe@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id o7TK3OZl046138; Sun, 29 Aug 2010 20:03:24 GMT (envelope-from vwe) Date: Sun, 29 Aug 2010 20:03:24 GMT Message-Id: <201008292003.o7TK3OZl046138@freefall.freebsd.org> To: gcooper@FreeBSD.org, vwe@FreeBSD.org, freebsd-bugs@FreeBSD.org From: vwe@FreeBSD.org Cc: Subject: Re: kern/149980: [patch] negative value integer to nanosleep(2) should fail with EINVAL X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Aug 2010 20:03:24 -0000 Old Synopsis: [PATCH] negative value integer to nanosleep(2) should fail with EINVAL New Synopsis: [patch] negative value integer to nanosleep(2) should fail with EINVAL State-Changed-From-To: open->analyzed State-Changed-By: vwe State-Changed-When: Sun Aug 29 20:00:22 UTC 2010 State-Changed-Why: double checked that and it's looking reasonable I think the checks for 'tv_nsec < 0' and 'tv_sec < 0' can be made in one go, but IMO it should not make a difference (assembler wise): Index: sys/kern/kern_time.c =================================================================== --- sys/kern/kern_time.c (revision 211522) +++ sys/kern/kern_time.c (working copy) @@ -362,9 +362,9 @@ struct timeval tv; int error; - if (rqt->tv_nsec < 0 || rqt->tv_nsec >= 1000000000) + if (rqt->tv_nsec < 0 || rqt->tv_nsec >= 1000000000 || rqt->tv_sec < 0) return (EINVAL); - if (rqt->tv_sec < 0 || (rqt->tv_sec == 0 && rqt->tv_nsec == 0)) + if (rqt->tv_sec == 0 && rqt->tv_nsec == 0) return (0); getnanouptime(&ts); timespecadd(&ts, rqt); http://www.freebsd.org/cgi/query-pr.cgi?pr=149980