[libvirt] [PATCH 2/2] DO NOT APPLY UPSTREAM: Reproducer of domain free crash
The issue is triggered using the following shell oneliner with this patch
applied:
virsh undefine domain & sleep .1; virsh dominfo domain
---
src/conf/domain_conf.c | 4 ++++
src/qemu/qemu_driver.c | 6 ++++++
2 files changed, 10 insertions(+)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index cafef0c..8e1ccda 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -2241,8 +2241,12 @@ void virDomainObjListRemove(virDomainObjListPtr doms,
virObjectRef(dom);
virObjectUnlock(dom);
+ printf(" DEBUG: about to remove dom %s from list\n", uuidstr);
+ sleep(2);
+
virObjectLock(doms);
virObjectLock(dom);
+ printf(" DEBUG: locked, removing dom %s from list\n", uuidstr);
virHashRemoveEntry(doms->objs, uuidstr);
virObjectUnlock(dom);
virObjectUnref(dom);
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 2c0d7d1..76daa01 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -2296,10 +2296,16 @@ static int qemuDomainGetInfo(virDomainPtr dom,
int ret = -1;
int err;
unsigned long long balloon;
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
if (!(vm = qemuDomObjFromDomain(dom)))
goto cleanup;
+ virUUIDFormat(dom->uuid, uuidstr);
+ printf(" DEBUG: about to look up info on %s\n", uuidstr);
+ sleep(5);
+ printf(" DEBUG: looking up info on %s\n", uuidstr);
+
info->state = virDomainObjGetState(vm, NULL);
if (!virDomainObjIsActive(vm)) {
--
1.8.1.5