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fix memleaks on list removal

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(cherry picked from commit 715ac101c882fde8fa55b2558254ce8cc7f6529b)
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Kou Wenqi 2024-08-06 15:25:22 +08:00 committed by openeuler-sync-bot
parent 3cb62dcdf4
commit b9858e307a
2 changed files with 75 additions and 1 deletions
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70
0021-lvmcache-fix-memleaks-on-list-removal.patch Normal file
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@ -0,0 +1,70 @@
From f59ec61fa79001bd440d0bec32a59971efa2d032 Mon Sep 17 00:00:00 2001
From: David Teigland <teigland@redhat.com>
Date: Wed, 3 Apr 2024 17:54:48 -0500
Subject: [PATCH] lvmcache: fix memleaks on list removal
Reference:https://github.com/lvmteam/lvm2/commit/f59ec61fa79001bd440d0bec32a59971efa2d032
---
lib/cache/lvmcache.c | 16 ++++++++++++----
1 file changed, 12 insertions(+), 4 deletions(-)
diff --git a/lib/cache/lvmcache.c b/lib/cache/lvmcache.c
index b8a9eac..2315d8e 100644
--- a/lib/cache/lvmcache.c
+++ b/lib/cache/lvmcache.c
@@ -912,8 +912,10 @@ next:
}
/* Remove dev_mpath from altdevs. */
- if ((devl = device_list_find_dev(&altdevs, dev_mpath)))
+ if ((devl = device_list_find_dev(&altdevs, dev_mpath))) {
dm_list_del(&devl->list);
+ free(devl);
+ }
/* Remove info from lvmcache that came from the component dev. */
log_debug("Ignoring multipath component %s with PVID %s (dropping info)", dev_name(dev_drop), pvid);
@@ -950,6 +952,7 @@ next:
log_debug("Ignoring multipath component %s with PVID %s (dropping duplicate)", dev_name(dev_drop), pvid);
dm_list_del(&devl->list);
+ free(devl);
cmd->filter->wipe(cmd, cmd->filter, dev_drop, NULL);
dev_drop->flags &= ~DEV_SCAN_FOUND_LABEL;
@@ -979,8 +982,10 @@ next:
}
/* Remove dev_md from altdevs. */
- if ((devl = device_list_find_dev(&altdevs, dev_md)))
+ if ((devl = device_list_find_dev(&altdevs, dev_md))) {
dm_list_del(&devl->list);
+ free(devl);
+ }
/* Remove info from lvmcache that came from the component dev. */
log_debug("Ignoring md component %s with PVID %s (dropping info)", dev_name(dev_drop), pvid);
@@ -1007,8 +1012,10 @@ next:
}
/* Remove dev_md from altdevs. */
- if ((devl = device_list_find_dev(&altdevs, dev_md)))
- dm_list_del(&devl->list);
+ if ((devl = device_list_find_dev(&altdevs, dev_md))) {
+ dm_list_del(&devl->list);
+ free(devl);
+ }
}
if (info && !dev_md) {
@@ -1036,6 +1043,7 @@ next:
log_debug("Ignoring md component %s with PVID %s (dropping duplicate)", dev_name(dev_drop), pvid);
dm_list_del(&devl->list);
+ free(devl);
cmd->filter->wipe(cmd, cmd->filter, dev_drop, NULL);
dev_drop->flags &= ~DEV_SCAN_FOUND_LABEL;
--
2.27.0

6
lvm2.spec
View File

@ -43,7 +43,7 @@
Name: lvm2
Version: 2.03.21
Release: 10
Release: 11
Epoch: 8
Summary: Tools for logical volume management
License: GPLv2+ and LGPLv2.1 and BSD
@ -69,6 +69,7 @@ Patch17: 0017-clean-up-group-struct-in-_stats_create_group-error-path.patch
Patch18: 0018-do-not-pass-empty-string-in-callback.patch
Patch19: 0019-fix-memleak-in-vgchange.patch
Patch20: 0020-udev-create-dev-disk-by-label-symlinks-for-DM-devs-t.patch
Patch21: 0021-lvmcache-fix-memleaks-on-list-removal.patch
BuildRequires: gcc
BuildRequires: gcc-c++
@ -495,6 +496,9 @@ fi
%changelog
* Tue Aug 6 2024 kouwenqi <kouwenqi@kylinos.cn> - 8:2.03.21-11
- lvmcache: fix memleaks on list removal
* Mon Jun 24 2024 wangziliang <wangziliang@kylinos.cn> - 8:2.03.21-10
- backport upstream patch