|
 |
d76c62 |
From f6a05ac3cb33c473de8ed49b53d22910fc0140df Mon Sep 17 00:00:00 2001
|
|
|
d76c62 |
Message-Id: <f6a05ac3cb33c473de8ed49b53d22910fc0140df@dist-git>
|
|
|
d76c62 |
From: John Ferlan <jferlan@redhat.com>
|
|
|
d76c62 |
Date: Wed, 16 Jan 2019 15:54:31 -0500
|
|
|
d76c62 |
Subject: [PATCH] RHEL: qemu: Fix logic error in qemuSetUnprivSGIO
|
|
|
d76c62 |
MIME-Version: 1.0
|
|
|
d76c62 |
Content-Type: text/plain; charset=UTF-8
|
|
|
d76c62 |
Content-Transfer-Encoding: 8bit
|
|
|
d76c62 |
|
|
|
d76c62 |
https://bugzilla.redhat.com/show_bug.cgi?id=1666605
|
|
|
d76c62 |
|
|
|
d76c62 |
RHEL-only
|
|
|
d76c62 |
|
|
|
d76c62 |
Commit c0f26a13c6 had a logic error with using both DISK and
|
|
|
d76c62 |
sgio which resulted in a DISK that didn't have sgio set falling
|
|
|
d76c62 |
into the else clause and trying to deref a NULL @hostdev resulting
|
|
|
d76c62 |
in a libvirtd crash:
|
|
|
d76c62 |
|
|
|
d76c62 |
Thread 1 (Thread 0x7ffbc6353700 (LWP 12642)):
|
|
|
d76c62 |
0 0x00007ffb958e7d7a in qemuSetUnprivSGIO
|
|
|
d76c62 |
1 0x00007ffb958d9d92 in qemuDomainAttachDeviceDiskLive
|
|
|
d76c62 |
2 0x00007ffb9594fce8 in qemuDomainAttachDeviceFlags
|
|
|
d76c62 |
3 0x00007ffbde399d71 in virDomainAttachDevice
|
|
|
d76c62 |
4 0x0000563b73ded4b2 in remoteDispatchDomainAttachDeviceHelper
|
|
|
d76c62 |
|
|
|
d76c62 |
for hotplug of XML:
|
|
|
d76c62 |
|
|
|
d76c62 |
<disk device="lun" type="block">
|
|
|
d76c62 |
<source dev="/dev/sdb"/>
|
|
|
d76c62 |
<driver name="qemu" type="raw"/>
|
|
|
d76c62 |
<target bus="scsi" dev="sdb"/>
|
|
|
d76c62 |
</disk>
|
|
|
d76c62 |
|
|
|
d76c62 |
Signed-off-by: John Ferlan <jferlan@redhat.com>
|
|
|
d76c62 |
Reviewed-by: Ján Tomko <jtomko@redhat.com>
|
|
|
d76c62 |
---
|
|
|
d76c62 |
src/qemu/qemu_conf.c | 6 +++---
|
|
|
d76c62 |
1 file changed, 3 insertions(+), 3 deletions(-)
|
|
|
d76c62 |
|
|
|
d76c62 |
diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
|
|
|
d76c62 |
index 590052b035..0674292fab 100644
|
|
|
d76c62 |
--- a/src/qemu/qemu_conf.c
|
|
|
d76c62 |
+++ b/src/qemu/qemu_conf.c
|
|
|
d76c62 |
@@ -1856,9 +1856,9 @@ qemuSetUnprivSGIO(virDomainDeviceDefPtr dev)
|
|
|
d76c62 |
return -1;
|
|
|
d76c62 |
|
|
|
d76c62 |
/* By default, filter the SG_IO commands, i.e. set unpriv_sgio to 0. */
|
|
|
d76c62 |
- if (dev->type == VIR_DOMAIN_DEVICE_DISK &&
|
|
|
d76c62 |
- disk->sgio == VIR_DOMAIN_DEVICE_SGIO_UNFILTERED) {
|
|
|
d76c62 |
- val = 1;
|
|
|
d76c62 |
+ if (dev->type == VIR_DOMAIN_DEVICE_DISK) {
|
|
|
d76c62 |
+ if (disk->sgio == VIR_DOMAIN_DEVICE_SGIO_UNFILTERED)
|
|
|
d76c62 |
+ val = 1;
|
|
|
d76c62 |
} else {
|
|
|
d76c62 |
/* Only settable if <shareable/> was present for hostdev */
|
|
|
d76c62 |
if (qemuIsSharedHostdev(hostdev) &&
|
|
|
d76c62 |
--
|
|
|
d76c62 |
2.25.0
|
|
|
d76c62 |
|