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* Fri Jul 3 2009 Mark McLoughlin <markmc@redhat.com> - 0.6.4-4.fc12

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- Fix libvirtd crash with bad capabilities data (bug #505635)
This commit is contained in:
Mark McLoughlin 2009-07-03 10:08:42 +00:00
parent dc0cb0e91a
commit 36aee593bc
2 changed files with 137 additions and 1 deletions
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130
libvirt-0.6.4-fix-libvirtd-crash-with-bad-capabilities-data.patch Normal file
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@ -0,0 +1,130 @@
From 80965bff6d46dea1808c8bbf02f50f0e289a0e65 Mon Sep 17 00:00:00 2001
From: Daniel P. Berrange <berrange@redhat.com>
Date: Mon, 29 Jun 2009 10:41:56 +0000
Subject: [PATCH] Fix crash in QEMU driver with bad capabilities data
---
src/qemu_driver.c | 80 +++++++++++++++++++++++++++++++++++-----------------
1 files changed, 54 insertions(+), 26 deletions(-)
diff -up libvirt-0.6.2/src/qemu_driver.c.bad-caps libvirt-0.6.2/src/qemu_driver.c
--- libvirt-0.6.2/src/qemu_driver.c.bad-caps 2009-07-03 10:07:03.275252815 +0100
+++ libvirt-0.6.2/src/qemu_driver.c 2009-07-03 10:08:52.143502961 +0100
@@ -360,12 +360,43 @@ next:
return 0;
}
+
+static int
+qemudSecurityCapsInit(virSecurityDriverPtr secdrv,
+ virCapsPtr caps)
+{
+ const char *doi, *model;
+
+ doi = virSecurityDriverGetDOI(secdrv);
+ model = virSecurityDriverGetModel(secdrv);
+
+ caps->host.secModel.model = strdup(model);
+ if (!caps->host.secModel.model) {
+ char ebuf[1024];
+ VIR_ERROR(_("Failed to copy secModel model: %s"),
+ virStrerror(errno, ebuf, sizeof ebuf));
+ return -1;
+ }
+
+ caps->host.secModel.doi = strdup(doi);
+ if (!caps->host.secModel.doi) {
+ char ebuf[1024];
+ VIR_ERROR(_("Failed to copy secModel DOI: %s"),
+ virStrerror(errno, ebuf, sizeof ebuf));
+ return -1;
+ }
+
+ VIR_DEBUG("Initialized caps for security driver \"%s\" with "
+ "DOI \"%s\"", model, doi);
+
+ return 0;
+}
+
+
static int
qemudSecurityInit(struct qemud_driver *qemud_drv)
{
int ret;
- const char *doi, *model;
- virCapsPtr caps;
virSecurityDriverPtr security_drv;
ret = virSecurityDriverStartup(&security_drv,
@@ -381,36 +412,17 @@ qemudSecurityInit(struct qemud_driver *q
}
qemud_drv->securityDriver = security_drv;
- doi = virSecurityDriverGetDOI(security_drv);
- model = virSecurityDriverGetModel(security_drv);
- VIR_DEBUG("Initialized security driver \"%s\" with "
- "DOI \"%s\"", model, doi);
+ VIR_INFO("Initialized security driver %s", security_drv->name);
/*
* Add security policy host caps now that the security driver is
* initialized.
*/
- caps = qemud_drv->caps;
-
- caps->host.secModel.model = strdup(model);
- if (!caps->host.secModel.model) {
- char ebuf[1024];
- VIR_ERROR(_("Failed to copy secModel model: %s"),
- virStrerror(errno, ebuf, sizeof ebuf));
- return -1;
- }
+ return qemudSecurityCapsInit(security_drv, qemud_drv->caps);
+}
- caps->host.secModel.doi = strdup(doi);
- if (!caps->host.secModel.doi) {
- char ebuf[1024];
- VIR_ERROR(_("Failed to copy secModel DOI: %s"),
- virStrerror(errno, ebuf, sizeof ebuf));
- return -1;
- }
- return 0;
-}
/**
* qemudStartup:
@@ -1852,13 +1864,29 @@ static int qemudGetNodeInfo(virConnectPt
static char *qemudGetCapabilities(virConnectPtr conn) {
struct qemud_driver *driver = conn->privateData;
+ virCapsPtr caps;
char *xml = NULL;
qemuDriverLock(driver);
+ if ((caps = qemudCapsInit()) == NULL) {
+ virReportOOMError(conn);
+ goto cleanup;
+ }
+
+ if (qemu_driver->securityDriver &&
+ qemudSecurityCapsInit(qemu_driver->securityDriver, caps) < 0) {
+ virCapabilitiesFree(caps);
+ virReportOOMError(conn);
+ goto cleanup;
+ }
+
virCapabilitiesFree(qemu_driver->caps);
- if ((qemu_driver->caps = qemudCapsInit()) == NULL ||
- (xml = virCapabilitiesFormatXML(driver->caps)) == NULL)
+ qemu_driver->caps = caps;
+
+ if ((xml = virCapabilitiesFormatXML(driver->caps)) == NULL)
virReportOOMError(conn);
+
+cleanup:
qemuDriverUnlock(driver);
return xml;

8
libvirt.spec
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@ -55,7 +55,7 @@
Summary: Library providing a simple API virtualization
Name: libvirt
Version: 0.6.4
Release: 3%{?dist}%{?extra_release}
Release: 4%{?dist}%{?extra_release}
License: LGPLv2+
Group: Development/Libraries
Source: libvirt-%{version}.tar.gz
@ -66,6 +66,8 @@ Patch1: libvirt-0.6.4-shared-readonly-label.patch
Patch2: libvirt-0.6.4-do-not-unnecessarily-try-to-change-a-file-context.patch
# Don't try to label a disk with no path (e.g. empty cdrom) (bug #499569)
Patch3: libvirt-0.6.4-fix-nosource-label.patch
# Fix libvirtd crash with bad capabilities data (bug #505635)
Patch4 :libvirt-0.6.4-fix-libvirtd-crash-with-bad-capabilities-data.patch
# Temporary hack till PulseAudio autostart problems are sorted
# out when SELinux enforcing (bz 486112)
@ -220,6 +222,7 @@ of recent versions of Linux (and other OSes).
%patch1 -p1
%patch2 -p1
%patch3 -p1
%patch4 -p1
%patch200 -p0
@ -550,6 +553,9 @@ fi
%endif
%changelog
* Fri Jul 3 2009 Mark McLoughlin <markmc@redhat.com> - 0.6.4-4.fc12
- Fix libvirtd crash with bad capabilities data (bug #505635)
* Fri Jul 3 2009 Mark McLoughlin <markmc@redhat.com> - 0.6.4-3.fc12
- Handle shared/readonly image labelling (bug #493692)
- Don't unnecessarily try to change a file context (bug #507555)