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hmp-vnc-Fix-info-vnc-list-leak.patch 1.47 KB
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imxcc 提交于 2021-07-28 15:16 +08:00 . some bugfix sync from 20.09
From 6cb599f75b7844aefd7823ad97fc3bae70eff11f Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Mon, 23 Mar 2020 12:08:22 +0000
Subject: [PATCH 06/14] hmp/vnc: Fix info vnc list leak
We're iterating the list, and then freeing the iteration pointer rather
than the list head.
Fixes: 0a9667ecdb6d ("hmp: Update info vnc")
Reported-by: Coverity (CID 1421932)
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-Id: <20200323120822.51266-1-dgilbert@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Peng Liang <liangpeng10@huawei.com>
---
monitor/hmp-cmds.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
index 5ca3ebe94272..fc5d6b92c4b6 100644
--- a/monitor/hmp-cmds.c
+++ b/monitor/hmp-cmds.c
@@ -745,10 +745,11 @@ static void hmp_info_vnc_servers(Monitor *mon, VncServerInfo2List *server)
void hmp_info_vnc(Monitor *mon, const QDict *qdict)
{
- VncInfo2List *info2l;
+ VncInfo2List *info2l, *info2l_head;
Error *err = NULL;
info2l = qmp_query_vnc_servers(&err);
+ info2l_head = info2l;
if (err) {
hmp_handle_error(mon, &err);
return;
@@ -777,7 +778,7 @@ void hmp_info_vnc(Monitor *mon, const QDict *qdict)
info2l = info2l->next;
}
- qapi_free_VncInfo2List(info2l);
+ qapi_free_VncInfo2List(info2l_head);
}
#endif
--
2.26.2
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