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Re: [Xen-devel] Re: [Xense-devel] [XSM:ACM][PATCH] nulldereference bug f
| To: | "George S. Coker, II" <gscoker@xxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Re: [Xense-devel] [XSM:ACM][PATCH] nulldereference bug fix |
| From: | Stefan Berger <stefanb@xxxxxxxxxx> |
| Date: | Fri, 28 Sep 2007 11:20:58 -0400 |
| Cc: | xen-devel@xxxxxxxxxxxxxxxxxxx, xense-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Fri, 28 Sep 2007 08:21:45 -0700 |
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[...] > > > > > > Ok, but then the null dereference issue still exists within the context > of XSM. The options are: > > 1) Follow acm_free_domain_ssid(d->ssid) with d->ssid = NULL > (I've tested this and it maintains the desired policy state: > > Confict Sets: > > c-set 0: 00 01 00 01 > > Running > Types: 01 01 00 00 > > Conflict > Aggregate Set: 00 00 00 01 > > but seems less attractive from a coding style perspective) > > or > > 2) Chance acm_free_domain_ssid to pass d instead of ssid and ensure that > d->ssid = NULL in acm_free_domain_ssid. Sounds like this is cleaner and so I opt for this choice. Stefan > > George _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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