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From b5eaca77959775ffce33c459a06f0dcacee5338d Mon Sep 17 00:00:00 2001
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Message-Id: <b5eaca77959775ffce33c459a06f0dcacee5338d@dist-git>
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From: John Ferlan <jferlan@redhat.com>
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Date: Thu, 1 Mar 2018 07:08:32 -0500
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Subject: [PATCH] conf: Fix crash in virDomainDefCompatibleDevice
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Commit id 'edae027c' blindly assumed that the passed @oldDev
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parameter would not be NULL when calling virDomainDeviceGetInfo;
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however, commit id 'b6a264e8' passed NULL for AttachDevice
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callers under the premise that there wouldn't be a device
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to check/update against.
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Signed-off-by: John Ferlan <jferlan@redhat.com>
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(cherry picked from commit 5535856f0e31aa6abf4cda11b5c53c0f164680f0)
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https://bugzilla.redhat.com/show_bug.cgi?id=1557922
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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src/conf/domain_conf.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
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index f21c776ccd..7f4da169d6 100644
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--- a/src/conf/domain_conf.c
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+++ b/src/conf/domain_conf.c
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@@ -27202,9 +27202,12 @@ virDomainDefCompatibleDevice(virDomainDefPtr def,
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{
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virDomainCompatibleDeviceData data = {
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.newInfo = virDomainDeviceGetInfo(dev),
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- .oldInfo = virDomainDeviceGetInfo(oldDev),
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+ .oldInfo = NULL,
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};
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+ if (oldDev)
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+ data.oldInfo = virDomainDeviceGetInfo(oldDev);
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+
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if (!virDomainDefHasUSB(def) &&
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def->os.type != VIR_DOMAIN_OSTYPE_EXE &&
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virDomainDeviceIsUSB(dev)) {
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--
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2.17.0
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