On 07/16/13 15:52, Daniel P. Berrange wrote:
On Tue, Jul 16, 2013 at 03:47:10PM +0200, Peter Krempa wrote:A part of the returned monitor response was freed twice and caused crashes of the daemon when using guest agent cpu count retrieval. # virsh vcpucount dom --guest Introduced in v1.0.6-48-gc6afcb0 --- src/qemu/qemu_agent.c | 1 - 1 file changed, 1 deletion(-) diff --git a/src/qemu/qemu_agent.c b/src/qemu/qemu_agent.c index aca5ff3..72bf211 100644 --- a/src/qemu/qemu_agent.c +++ b/src/qemu/qemu_agent.c @@ -1529,7 +1529,6 @@ qemuAgentGetVCPUs(qemuAgentPtr mon, cleanup: virJSONValueFree(cmd); virJSONValueFree(reply); - virJSONValueFree(data); return ret; }This is a strong indication that we need test coverage for the QEMU agent APIs. I think you could easily add a tests/qemuagenttest.c file by copying the existing qemumonitorjsontest.c & s/Monitor/Agent/, and thus get test coverage of this flaw.
I've pushed this patch and will try to figure out a suitable test pattern for testing agent interaction before the 1.1.1 release.
Daniel
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