From owner-freebsd-bugs@FreeBSD.ORG Sat Mar 8 20:23:37 2008 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 096A6106567A; Sat, 8 Mar 2008 20:23:37 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id D38D88FC2E; Sat, 8 Mar 2008 20:23:36 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from freefall.freebsd.org (rwatson@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m28KNa9v061635; Sat, 8 Mar 2008 20:23:36 GMT (envelope-from rwatson@freefall.freebsd.org) Received: (from rwatson@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m28KNaLC061631; Sat, 8 Mar 2008 20:23:36 GMT (envelope-from rwatson) Date: Sat, 8 Mar 2008 20:23:36 GMT Message-Id: <200803082023.m28KNaLC061631@freefall.freebsd.org> To: jan@concept.de, rwatson@FreeBSD.org, freebsd-bugs@FreeBSD.org From: rwatson@FreeBSD.org Cc: Subject: Re: kern/94827: [libc] mmap with given (void *addr) may lock memory-manager 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: Sat, 08 Mar 2008 20:23:37 -0000 Synopsis: [libc] mmap with given (void *addr) may lock memory-manager State-Changed-From-To: analyzed->feedback State-Changed-By: rwatson State-Changed-When: Sat Mar 8 20:15:52 UTC 2008 State-Changed-Why: When I try the test program with the incuded or larger memory sizes, it appears to work as desired in FreeBSD 7.0: if I don't specify MAP_FIXED, I get different memory addresses, but if I do specify MAP_FIXED, the next malloc coredumps due to mapping over memory owned by malloc. Could you confirm that the problem you're experiencing exists in FreeBSD 7.0? http://www.freebsd.org/cgi/query-pr.cgi?pr=94827