From owner-freebsd-current@FreeBSD.ORG Mon Jun 7 20:24:49 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 092FB16A4CE for ; Mon, 7 Jun 2004 20:24:49 +0000 (GMT) Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7E56543D31 for ; Mon, 7 Jun 2004 20:24:48 +0000 (GMT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (localhost [127.0.0.1]) by fledge.watson.org (8.12.11/8.12.11) with ESMTP id i57KNpip020599; Mon, 7 Jun 2004 16:23:51 -0400 (EDT) (envelope-from robert@fledge.watson.org) Received: from localhost (robert@localhost)i57KNpQq020596; Mon, 7 Jun 2004 16:23:51 -0400 (EDT) (envelope-from robert@fledge.watson.org) Date: Mon, 7 Jun 2004 16:23:51 -0400 (EDT) From: Robert Watson X-Sender: robert@fledge.watson.org To: Arjan van Leeuwen In-Reply-To: <200406072216.29044.avleeuwen@piwebs.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-current@freebsd.org cc: "David A. Benfell" Subject: Re: file descripter leak in current with Qmail? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Jun 2004 20:24:49 -0000 On Mon, 7 Jun 2004, Arjan van Leeuwen wrote: > > It could be that this is related to the esd file descriptor leak problem > > also being reported. You might also try the attached patch. > > I get a panic (address not allocated) when using the patch. I can't > write down any useful details about it right now, because although the > server has only 3 users, they're very disconcerned when I disrupt their > internet traffic :). Just ran into that myself once the build finished -- looks like 'sa' isn't being initialized to NULL. I'll send a follow-up patch shortly. > > Best regards, > > Arjan > > > > > Robert N M Watson FreeBSD Core Team, TrustedBSD Projects > > robert@fledge.watson.org Senior Research Scientist, McAfee Research > > > > Index: uipc_syscalls.c > > =================================================================== > > RCS file: /data/ncvs/src/sys/kern/uipc_syscalls.c,v > > retrieving revision 1.187 > > diff -u -r1.187 uipc_syscalls.c > > --- uipc_syscalls.c 7 Jun 2004 09:59:50 -0000 1.187 > > +++ uipc_syscalls.c 7 Jun 2004 19:38:39 -0000 > > @@ -285,7 +285,7 @@ > > if ((head->so_state & SS_NBIO) && TAILQ_EMPTY(&head->so_comp)) { > > ACCEPT_UNLOCK(); > > error = EWOULDBLOCK; > > - goto done; > > + goto noconnection; > > } > > while (TAILQ_EMPTY(&head->so_comp) && head->so_error == 0) { > > if (head->so_state & SS_CANTRCVMORE) { > > @@ -296,14 +296,14 @@ > > "accept", 0); > > if (error) { > > ACCEPT_UNLOCK(); > > - goto done; > > + goto noconnection; > > } > > } > > if (head->so_error) { > > error = head->so_error; > > head->so_error = 0; > > ACCEPT_UNLOCK(); > > - goto done; > > + goto noconnection; > > } > > so = TAILQ_FIRST(&head->so_comp); > > KASSERT(!(so->so_qstate & SQ_INCOMP), ("accept1: so SQ_INCOMP")); > > > > > > > > !DSPAM:40c4c5b6283404763116770! >