[jira] [Assigned] (CLOUDSTACK-9920) Possible null pointer exception

["Rohit Yadav (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CLOUDSTACK-9920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rohit Yadav reassigned CLOUDSTACK-9920:
---------------------------------------

    Assignee: Rohit Yadav

> Possible null pointer exception
> -------------------------------
>
>                 Key: CLOUDSTACK-9920
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-9920
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Hypervisor Controller, KVM
>    Affects Versions: 4.9.0.1, 4.5.2.2
>            Reporter: AppChecker
>            Assignee: Rohit Yadav
>              Labels: appchecker, static-analysis
>
> Hi.
> Please look this [code fragment|https://github.com/apache/cloudstack/blob/87ef8137534fa798101f65c6691fcf71513ac978/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/BridgeVifDriver.java#L242]:
> {code}
> if (brNameMatcher.group(1) != null || !brNameMatcher.group(1).isEmpty()) {
> {code}
> if brNameMatcher.group(1) is null, method isEmpty will be called, so  null pointer exception is happened,
> Probably, is should be:
> {code}
> if (brNameMatcher.group(1) != null && !brNameMatcher.group(1).isEmpty()) {
> {code}
> Similar code:
> https://github.com/apache/cloudstack/blob/87ef8137534fa798101f65c6691fcf71513ac978/plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/IvsVifDriver.java#L214
> This possible defect found by [AppChecker|https://npo-echelon.ru/en/solutions/appchecker.php]



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