[libvirt] [PATCH] qemu: Fix crash in offline migration

When migrating a shutoff domain (i.e., offline migration), we have no statistics to report and thus jobInfo will be NULL in qemuMigrationFinish. Broken by me in v3.10.0-183-ge8784e7868. https://bugzilla.redhat.com/show_bug.cgi?id=1536351 Signed-off-by: Jiri Denemark <jdenemar@redhat.com> --- src/qemu/qemu_migration.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c index a56bc596ff..1854900c9a 100644 --- a/src/qemu/qemu_migration.c +++ b/src/qemu/qemu_migration.c @@ -5481,8 +5481,10 @@ qemuMigrationFinish(virQEMUDriverPtr driver, } if (dom) { - VIR_STEAL_PTR(priv->job.completed, jobInfo); - priv->job.completed->status = QEMU_DOMAIN_JOB_STATUS_COMPLETED; + if (jobInfo) { + VIR_STEAL_PTR(priv->job.completed, jobInfo); + priv->job.completed->status = QEMU_DOMAIN_JOB_STATUS_COMPLETED; + } if (qemuMigrationBakeCookie(mig, driver, vm, cookieout, cookieoutlen, QEMU_MIGRATION_COOKIE_STATS) < 0) -- 2.16.0

On Fri, Jan 19, 2018 at 10:46:49AM +0100, Jiri Denemark wrote:
When migrating a shutoff domain (i.e., offline migration), we have no statistics to report and thus jobInfo will be NULL in qemuMigrationFinish.
Broken by me in v3.10.0-183-ge8784e7868.
https://bugzilla.redhat.com/show_bug.cgi?id=1536351
Signed-off-by: Jiri Denemark <jdenemar@redhat.com> --- src/qemu/qemu_migration.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
participants (2)
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Jiri Denemark
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Pavel Hrdina