Mike O'Driscoll 43ad51d947

util/linuxfw: fix nil pointer panic in connmark rules without IPv6 (#18946) (#18947) ...

When IPv6 is unavailable on a system, AddConnmarkSaveRule() and
DelConnmarkSaveRule() would panic with a nil pointer dereference.
Both methods directly iterated over []iptablesInterface{i.ipt4, i.ipt6}
without checking if ipt6 was nil.

Use `getTables()` instead to properly retrieve the available tables
on a given system

Fixes #3310


(cherry picked from commit 021de2e1bc8d5d4ab66d4f4f5c560dc585ae3ae0)

Signed-off-by: Mike O'Driscoll <mikeo@tailscale.com>

2026-03-10 15:23:54 -04:00

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dnsname

net/dns,ipn/ipnlocal: add nodecap to resolve subdomains (#18258)

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linuxfw

util/linuxfw: fix nil pointer panic in connmark rules without IPv6 (#18946) (#18947)

2026-03-10 15:23:54 -04:00

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util/set: make Set.Slice return elements in sorted order for ordered types

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