Live definition was used to look up the disk index while persistent one
was indexed leading to a crash in qemuDomainGetBlockIoTune. Use the
correct def and report a nice error.
Unfortunately it's accessible via read-only connection.
Introduced in: eca96694a7f992be633d48d5ca03cedc9bbc3c9aa (v0.9.8)
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1140724
Reported-by: Luyao Huang <lhuang(a)redhat.com>
Signed-off-by: Peter Krempa <pkrempa(a)redhat.com>
---
src/qemu/qemu_driver.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index a5a49ac..209c40e 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -16317,9 +16317,13 @@ qemuDomainGetBlockIoTune(virDomainPtr dom,
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
- int idx = virDomainDiskIndexByName(vm->def, disk, true);
- if (idx < 0)
+ int idx = virDomainDiskIndexByName(persistentDef, disk, true);
+ if (idx < 0) {
+ virReportError(VIR_ERR_INVALID_ARG,
+ _("disk '%s' was not found in the domain
config"),
+ disk);
goto endjob;
+ }
reply = persistentDef->disks[idx]->blkdeviotune;
}
--
2.1.0