When a VM is destroyed while being migrated (waiting in qemuMigrationSrcWaitForCompletion) the private object cleanup code frees the 'current' job info. Since the migration code attempts to setup various aspects of the current job even on failure this results into a crash.
Job data is cleared in qemuDomainObjPrivateDataClear since commit 888aa4b6b9db Signed-off-by: Peter Krempa <[email protected]> --- I'm not certain that there isn't any other bigger root cause for this, but if the job is not present due to the VM being destroyed, it does not make much sense to set any data. src/qemu/qemu_migration.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index 88b8253fa9..9f4de08d46 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -3552,6 +3552,7 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver, orig_err = virSaveLastError(); if (cancel && + priv->job.current && priv->job.current->status != QEMU_DOMAIN_JOB_STATUS_QEMU_COMPLETED && virDomainObjIsActive(vm) && qemuDomainObjEnterMonitorAsync(driver, vm, @@ -3569,7 +3570,8 @@ qemuMigrationSrcRun(virQEMUDriverPtr driver, if (iothread) qemuMigrationSrcStopTunnel(iothread, true); - if (priv->job.current->status != QEMU_DOMAIN_JOB_STATUS_CANCELED) + if (priv->job.current && + priv->job.current->status != QEMU_DOMAIN_JOB_STATUS_CANCELED) priv->job.current->status = QEMU_DOMAIN_JOB_STATUS_FAILED; goto cleanup; -- 2.16.2 -- libvir-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/libvir-list
