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From: mbroz@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2 ./WHATS_NEW tools/lvresize.c tools/toollib.c Date: Wed, 02 Mar 2011 16:56:00 -0000 [thread overview] Message-ID: <20110302165607.25231.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: mbroz@sourceware.org 2011-03-02 16:56:07 Modified files: . : WHATS_NEW tools : lvresize.c toollib.c Log message: Use 64bit unsigned value for maximum stripe size test. While STRIPE_SIZE_LIMIT * 2 is basically UINT_MAX, 32bit integer value can already overflow durin arg size parsing. (This really happens in test where --stripesize 4294967291 is used, in s390x uint overflow and this test is ineffective.) Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/WHATS_NEW.diff?cvsroot=lvm2&r1=1.1931&r2=1.1932 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/lvresize.c.diff?cvsroot=lvm2&r1=1.128&r2=1.129 http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/tools/toollib.c.diff?cvsroot=lvm2&r1=1.222&r2=1.223 --- LVM2/WHATS_NEW 2011/02/28 19:47:22 1.1931 +++ LVM2/WHATS_NEW 2011/03/02 16:56:06 1.1932 @@ -1,5 +1,6 @@ Version 2.02.85 - =================================== + Fix possible overwlow in maximum stripe size. Add test for failed allocation from dm_task_set_uuid() in dmeventd. Improve pvremove error message when PV belongs to a VG. Extend normal policy to allow mirror logs on same PVs as images if necessary. --- LVM2/tools/lvresize.c 2011/01/13 14:51:34 1.128 +++ LVM2/tools/lvresize.c 2011/03/02 16:56:07 1.129 @@ -55,7 +55,7 @@ return 0; } - if (arg_uint_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT * 2) { + if (arg_uint64_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT * 2) { log_error("Stripe size cannot be larger than %s", display_size(cmd, (uint64_t) STRIPE_SIZE_LIMIT)); return 0; --- LVM2/tools/toollib.c 2011/02/21 12:16:00 1.222 +++ LVM2/tools/toollib.c 2011/03/02 16:56:07 1.223 @@ -1541,7 +1541,7 @@ return 0; } - if(*stripe_size > STRIPE_SIZE_LIMIT * 2) { + if(arg_uint64_value(cmd, stripesize_ARG, 0) > STRIPE_SIZE_LIMIT * 2) { log_error("Stripe size cannot be larger than %s", display_size(cmd, (uint64_t) STRIPE_SIZE_LIMIT)); return 0;
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