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From: zkabelac@sourceware.org
To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org
Subject: LVM2 ./WHATS_NEW lib/metadata/metadata.c
Date: Wed, 08 Dec 2010 10:45:00 -0000 [thread overview]
Message-ID: <20101208104538.28788.qmail@sourceware.org> (raw)
CVSROOT: /cvs/lvm2
Module name: LVM2
Changes by: zkabelac@sourceware.org 2010-12-08 10:45:37
Modified files:
. : WHATS_NEW
lib/metadata : metadata.c
Log message:
Remove reset of vg->vgmem pointer as it is access of already release memory
This reset of vgmem pointer causes access of already released memory.
(_vg_make_handle allocates vg from vgmem pool itself - which is a bit tricky)
Interestingly this memory fault was missed by our test suite.
Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1829&r2=1.1830
http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/metadata.c.diff?cvsroot=lvm2&r1=1.413&r2=1.414
--- LVM2/WHATS_NEW 2010/12/06 22:13:10 1.1829
+++ LVM2/WHATS_NEW 2010/12/08 10:45:37 1.1830
@@ -1,5 +1,6 @@
Version 2.02.79 -
===================================
+ Fix write to released memory in vg_relase(). (2.02.78)
Version 2.02.78 - 6th December 2010
===================================
--- LVM2/lib/metadata/metadata.c 2010/11/30 11:15:54 1.413
+++ LVM2/lib/metadata/metadata.c 2010/12/08 10:45:37 1.414
@@ -3094,7 +3094,6 @@
vg->name);
dm_pool_destroy(vg->vgmem);
- vg->vgmem = NULL;
}
/* This is only called by lv_from_lvid, which is only called from
next reply other threads:[~2010-12-08 10:45 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-08 10:45 zkabelac [this message]
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2012-03-12 14:18 zkabelac
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