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security: selinux: Fix crash when releasing non-existent label 

This can be triggered by the qemuStartVMDaemon cleanup path if a
VM references a non-existent USB device (by product) in the XML.
This commit is contained in:
Cole Robinson 2010-03-22 10:45:36 -04:00
parent b7a7b33651
commit 65e97240e6
1 changed files with 2 additions and 1 deletions
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3
src/security/security_selinux.c
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@ -632,7 +632,8 @@ SELinuxReleaseSecurityLabel(virDomainObjPtr vm)
{
const virSecurityLabelDefPtr secdef = &vm->def->seclabel;
if (secdef->type == VIR_DOMAIN_SECLABEL_STATIC)
if (secdef->type == VIR_DOMAIN_SECLABEL_STATIC ||
secdef->label == NULL)
return 0;
context_t con = context_new(secdef->label);