32 lines
1015 B
Diff
32 lines
1015 B
Diff
From 7487eaefca026da3b0ccc8e8872a8e7ba0101640 Mon Sep 17 00:00:00 2001
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From: Feng Ni <fengni@huawei.com>
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Date: Thu, 25 Jul 2019 15:37:14 +0800
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Subject: [PATCH] qemu: add pointer check in qemuMonitorLastError
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We found a exception when libvirt occurrs segmentation fault.
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thread 1 is waiting object lock in qemuConnectMonitor,
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qemu process exits and sends EOF event as well, so thread 2 invokes
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qemuMonitorLastError but pointer mon is NULL.
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Signed-off-by: Feng Ni <fengni@huawei.com>
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---
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src/qemu/qemu_monitor.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
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index 731be2e..a5eeec6 100644
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--- a/src/qemu/qemu_monitor.c
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+++ b/src/qemu/qemu_monitor.c
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@@ -1103,7 +1103,7 @@ qemuMonitorSend(qemuMonitorPtr mon,
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virErrorPtr
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qemuMonitorLastError(qemuMonitorPtr mon)
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{
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- if (mon->lastError.code == VIR_ERR_OK)
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+ if (!mon || mon->lastError.code == VIR_ERR_OK)
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return NULL;
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return virErrorCopyNew(&mon->lastError);
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--
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2.19.1
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