From mboxrd@z Thu Jan 1 00:00:00 1970 From: zkabelac@sourceware.org Date: 13 Mar 2011 22:57:51 -0000 Subject: LVM2 ./WHATS_NEW lib/misc/lvm-string.c Message-ID: <20110313225751.12383.qmail@sourceware.org> List-Id: To: lvm-devel@redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: zkabelac at sourceware.org 2011-03-13 22:57:51 Modified files: . : WHATS_NEW lib/misc : lvm-string.c Log message: Fix buffer allocation size for uuid string We have 3 components and traling '\0' so allocate proper room for all of them. Problem was nicely hidden by allocation from pool and allocation aligment offset - so to trigger real problem with this one is actually hard. Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1952&r2=1.1953 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/misc/lvm-string.c.diff?cvsroot=lvm2&r1=1.24&r2=1.25 --- LVM2/WHATS_NEW 2011/03/13 22:52:16 1.1952 +++ LVM2/WHATS_NEW 2011/03/13 22:57:51 1.1953 @@ -1,5 +1,6 @@ Version 2.02.85 - =================================== + Fix buffer allocation in build_dm_uuid(). Fix readlink usage inside get_primary_dev(). Use format instance mempool where possible and adequate. Call destroy_instance for any PVs found in VG structure during vg_free call. --- LVM2/lib/misc/lvm-string.c 2010/11/17 10:19:30 1.24 +++ LVM2/lib/misc/lvm-string.c 2011/03/13 22:57:51 1.25 @@ -229,7 +229,7 @@ if (!layer) layer = ""; - len = sizeof(UUID_PREFIX) + strlen(lvid) + strlen(layer) + 1; + len = sizeof(UUID_PREFIX) + strlen(lvid) + strlen(layer) + 1 + 1; if (!(dmuuid = dm_pool_alloc(mem, len))) { log_error("build_dm_name: Allocation failed for %" PRIsize_t