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Hi,</div>
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I found a reproducible seg fault with a DNSSEC signed zone and overlapping config. I'm running NSD 4.10.1. Here's how to reproduce.</div>
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2 zones in nsd.conf:</div>
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zone:</div>
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name: "foo.com."</div>
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zonefile: "/zones/foo.com.zone.signed"</div>
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zone:</div>
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name: "bar.foo.com."</div>
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zonefile: "/zones/bar.foo.com.zone"</div>
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Zone files:</div>
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foo.com.zone.signed is DNSSEC signed with a record for a.bar (A record or anything)</div>
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bar.foo.com.zone doesn't exist (but it's in nsd.conf shown above)</div>
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Steps:</div>
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1) Startup NSD</div>
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2) touch foo.com.zone.signed</div>
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3) reload NSD</div>
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nsd.log will say:</div>
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[2024-10-02 07:19:58.691] nsd[962739]: info: control cmd: reload</div>
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[2024-10-02 07:19:58.845] nsd[962752]: error: handle_reload_cmd: reload closed cmd channel</div>
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[2024-10-02 07:19:58.845] nsd[962752]: warning: Reload process 962740 failed, continuing with old database</div>
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core dump says SIGSEGV in rbtree_find_less_equal</div>
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Chris LaVallee</div>
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Edgio (formally EdgeCast Networks)</div>
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