49 lines
1.7 KiB
Diff
49 lines
1.7 KiB
Diff
|
From 388611da8330fb19693caf927680e9af08d5738e Mon Sep 17 00:00:00 2001
|
||
|
|
Message-Id: <388611da8330fb19693caf927680e9af08d5738e@dist-git>
|
||
|
|
From: Peter Krempa <pkrempa@redhat.com>
|
||
|
|
Date: Wed, 19 Feb 2020 15:10:27 +0100
|
||
|
|
Subject: [PATCH] qemuDomainGetStatsIOThread: Don't leak array with 0 iothreads
|
||
|
|
MIME-Version: 1.0
|
||
|
|
Content-Type: text/plain; charset=UTF-8
|
||
|
|
Content-Transfer-Encoding: 8bit
|
||
|
|
|
||
|
|
qemuMonitorGetIOThreads returns a NULL-terminated list even when 0
|
||
|
|
iothreads are present. The caller didn't perform cleanup if there were 0
|
||
|
|
iothreads leaking the array.
|
||
|
|
|
||
|
|
https://bugzilla.redhat.com/show_bug.cgi?id=1804548
|
||
|
|
|
||
|
|
Fixes: d1eac92784573559b6fd56836e33b215c89308e3
|
||
|
|
Reported-by: Jing Yan <jiyan@redhat.com>
|
||
|
|
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
|
||
|
|
Reviewed-by: Ján Tomko <jtomko@redhat.com>
|
||
|
|
(cherry picked from commit 9bf9e0ae6af38c806f4672ca7b12a6b38d5a9581)
|
||
|
|
Message-Id: <eef614566ad383a1393a295caa6e2550381eb3e7.1582120424.git.pkrempa@redhat.com>
|
||
|
|
Reviewed-by: Ján Tomko <jtomko@redhat.com>
|
||
|
|
---
|
||
|
|
src/qemu/qemu_driver.c | 8 ++++++--
|
||
|
|
1 file changed, 6 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
|
||
|
|
index af81c4a6e4..69e4f7264b 100644
|
||
|
|
--- a/src/qemu/qemu_driver.c
|
||
|
|
+++ b/src/qemu/qemu_driver.c
|
||
|
|
@@ -21532,8 +21532,12 @@ qemuDomainGetStatsIOThread(virQEMUDriverPtr driver,
|
||
|
|
if ((niothreads = qemuDomainGetIOThreadsMon(driver, dom, &iothreads)) < 0)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
- if (niothreads == 0)
|
||
|
|
- return 0;
|
||
|
|
+ /* qemuDomainGetIOThreadsMon returns a NULL-terminated list, so we must free
|
||
|
|
+ * it even if it returns 0 */
|
||
|
|
+ if (niothreads == 0) {
|
||
|
|
+ ret = 0;
|
||
|
|
+ goto cleanup;
|
||
|
|
+ }
|
||
|
|
|
||
|
|
if (virTypedParamListAddUInt(params, niothreads, "iothread.count") < 0)
|
||
|
|
goto cleanup;
|
||
|
|
--
|
||
|
|
2.25.0
|
||
|
|
|