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021de2e1bc
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
Signed-off-by: Mike O'Driscoll <mikeo@tailscale.com>
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|---|---|---|
| .. | ||
| linuxfwtest | ||
| detector.go | ||
| fake_netfilter.go | ||
| fake.go | ||
| helpers.go | ||
| iptables_disabled.go | ||
| iptables_for_svcs_test.go | ||
| iptables_for_svcs.go | ||
| iptables_runner_test.go | ||
| iptables_runner.go | ||
| iptables.go | ||
| linuxfw.go | ||
| nftables_for_svcs_test.go | ||
| nftables_for_svcs.go | ||
| nftables_runner_test.go | ||
| nftables_runner.go | ||
| nftables_types.go | ||
| nftables.go | ||