When qemuMonitorSetCapabilities() fails, there is no need to call qemuMonitorClose(), because the caller will already see the error code and tear down the entire VM. The extra call to qemuMonitorClose resulted in a double-free due to it removing a ref count prematurely. * src/qemu/qemu_driver.c: Remove premature close of monitor --- src/qemu/qemu_driver.c | 2 -- 1 files changed, 0 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c index 3b937e4..2e8f4f9 100644 --- a/src/qemu/qemu_driver.c +++ b/src/qemu/qemu_driver.c @@ -900,8 +900,6 @@ qemuConnectMonitor(struct qemud_driver *driver, virDomainObjPtr vm) qemuDomainObjExitMonitorWithDriver(driver, vm); error: - if (ret < 0) - qemuMonitorClose(priv->mon); return ret; } -- 1.7.3.4