Ignore invalid page descriptors in ARM64 pmap_mincore
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Authored by wma on Feb 8 2016, 11:20 AM.

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Summary

Prevent the function from null-pointer-dereference when unexisting mapping is being processed.

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rS FreeBSD src repository - subversion

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wma retitled this revision from to Ignore invalid page descriptors in ARM64 pmap_mincore.

wma updated this object.

wma edited the test plan for this revision. (Show Details)

wma added reviewers: zbb, andrew, emaste.

wma set the repository for this revision to rS FreeBSD src repository - subversion.

zbb accepted this revision.Feb 8 2016, 2:11 PM

zbb edited edge metadata.

This revision is now accepted and ready to land.Feb 8 2016, 2:11 PM

This revision was automatically updated to reflect the committed changes.

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sys/

arm64/

12 lines

Show First 20 Lines • Show All 236 Lines • ▼ Show 20 Lines	if ((flags & IP_NODEFAULTFLOWID) == 0) {
m->m_pkthdr.flowid = inp->inp_flowid;		m->m_pkthdr.flowid = inp->inp_flowid;
M_HASHTYPE_SET(m, inp->inp_flowtype);		M_HASHTYPE_SET(m, inp->inp_flowtype);
}		}
}		}

if (ro == NULL) {		if (ro == NULL) {
ro = &iproute;		ro = &iproute;
bzero(ro, sizeof (*ro));		bzero(ro, sizeof (*ro));
} else		}
ro->ro_flags \|= RT_LLE_CACHE;

#ifdef FLOWTABLE		#ifdef FLOWTABLE
if (ro->ro_rt == NULL)		if (ro->ro_rt == NULL)
(void )flowtable_lookup(AF_INET, m, ro);		(void )flowtable_lookup(AF_INET, m, ro);
#endif		#endif

if (opt) {		if (opt) {
int len = 0;		int len = 0;
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