nd6: Fix the array size in union nd_opts
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Authored by markj on Sep 4 2026, 2:59 PM.

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glebius
pouria

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network

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rGfc33bbb02450: nd6: Fix the array size in union nd_opts

Summary

ND_OPT_ROUTE_INFO is 24, so an access of that index is technically out
of bounds, though note that the per-option struct has an entry for this
option. Fix the array size to appease -fsanitize=array-bounds.

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rG FreeBSD src repository

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Event Timeline

markj created this revision.Sep 4 2026, 2:59 PM

Herald added subscribers: pouria, glebius, melifaro and 2 others. · View Herald TranscriptSep 4 2026, 2:59 PM

markj requested review of this revision.Sep 4 2026, 2:59 PM

Harbormaster completed remote builds in B76499: Diff 185824.Sep 4 2026, 2:59 PM

glebius accepted this revision as: glebius.Sep 5 2026, 4:47 PM

This revision is now accepted and ready to land.Sep 5 2026, 4:47 PM

pouria accepted this revision.Sep 5 2026, 6:52 PM

Closed by commit rGfc33bbb02450: nd6: Fix the array size in union nd_opts (authored by markj). · Explain WhyThu, Sep 10, 9:28 AM

This revision was automatically updated to reflect the committed changes.

markj added a commit: rGfc33bbb02450: nd6: Fix the array size in union nd_opts.

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sys/

netinet6/

nd6.h

2 lines

Diff 186354

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nd6: Fix the array size in union nd_optsClosedPublicActions