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Protocol membership raises AttributeError on a terminal AH layer #2484
Description
On origin/main (4ca3f30d7), 'ESP' in <parsed AH layer> raises AttributeError: 'AH' object has no attribute '_next'.
Found while checking the #2478 selector claims (IPv6_Ext selects AH and ESP through IPsec). The in path on an AH layer reads _next, which AH does not set when it is the last layer.
Next step: reproduce with a hand-built Ethernet/IPv6/AH frame; find where _next is read in Protocol.__contains__; fix so membership on a terminal AH layer returns False rather than raising, with a test that fails before the fix.
Activity
JarryShaw commentedon Oct 31, 2026
Held: Actions queue is at 46 (above the hold line). Retry next tick, when the queue drops.