From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1678 invoked by alias); 10 Jan 2011 19:31:04 -0000 Received: (qmail 1660 invoked by uid 9737); 10 Jan 2011 19:31:03 -0000 Date: Mon, 10 Jan 2011 19:31:00 -0000 Message-ID: <20110110193103.1658.qmail@sourceware.org> From: zkabelac@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 ./WHATS_NEW lib/misc/lvm-exec.c tools/pol ... Mailing-List: contact lvm2-cvs-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: lvm2-cvs-owner@sourceware.org X-SW-Source: 2011-01/txt/msg00049.txt.bz2 CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: zkabelac@sourceware.org 2011-01-10 19:31:02 Modified files: . : WHATS_NEW lib/misc : lvm-exec.c tools : polldaemon.c Log message: Avoid cookie sharing between forked processes Before fork, ensure cookie is reset so it's not shared between processes. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1872&r2=1.1873 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/misc/lvm-exec.c.diff?cvsroot=lvm2&r1=1.8&r2=1.9 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/polldaemon.c.diff?cvsroot=lvm2&r1=1.40&r2=1.41 --- LVM2/WHATS_NEW 2011/01/10 14:51:33 1.1872 +++ LVM2/WHATS_NEW 2011/01/10 19:31:02 1.1873 @@ -1,5 +1,6 @@ Version 2.02.81 - =================================== + Fix cookie sharing between forked lvm processes (2.02.80). Version 2.02.80 - 10th January 2011 =================================== --- LVM2/lib/misc/lvm-exec.c 2010/11/01 14:17:36 1.8 +++ LVM2/lib/misc/lvm-exec.c 2011/01/10 19:31:02 1.9 @@ -54,6 +54,8 @@ log_verbose("Executing: %s", _verbose_args(argv, buf, sizeof(buf))); + fs_unlock(); /* Flush oops and ensure cookie is not shared */ + if ((pid = fork()) == -1) { log_error("fork failed: %s", strerror(errno)); return 0; --- LVM2/tools/polldaemon.c 2011/01/05 12:59:47 1.40 +++ LVM2/tools/polldaemon.c 2011/01/10 19:31:02 1.41 @@ -42,6 +42,8 @@ sigaction(SIGCHLD, &act, NULL); + fs_unlock(); /* Flush oops and ensure cookie is not shared */ + if ((pid = fork()) == -1) { log_error("fork failed: %s", strerror(errno)); return -1;