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Regression from iptables has been introduced #13282

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ctolkien opened this issue Apr 7, 2025 · 3 comments
Open

Regression from iptables has been introduced #13282

ctolkien opened this issue Apr 7, 2025 · 3 comments
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@ctolkien
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ctolkien commented Apr 7, 2025

tailscale/tailscale#13863

This issue is impacting users of Tailscale, and it seems the problem patch was rolled out to azure-linux approx 1 week ago.
@ctolkien ctolkien added the bug Something isn't working label Apr 7, 2025
@anphel31
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Can you point to the specific patch that could have caused this regression?

@raggi
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raggi commented Apr 15, 2025

regression: torvalds/linux@0bfcb7b
fix: torvalds/linux@306ed17

@raggi
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raggi commented Apr 15, 2025

this is a firewall regression, it's essentially a 0-day that was backported by a bunch of distros to kernel versions where it was never applied upstream.

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@raggi @ctolkien @anphel31