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