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Handle large query IDs in xfer/ans5 properly

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Previously, the server would crash if it received a query with an ID
close to 65535 in the badmessageid case, as adding 50 to it would not
fit in uint16.

This was an oversight in porting it from Perl to Python in
f9ed3650ac.

(cherry picked from commit e0ef63532f)
This commit is contained in:
Štěpán Balážik 2026-05-26 14:57:47 +02:00 committed by Štěpán Balážik (GitLab job 7473375)
parent 04127edcda
commit daa01f2079
1 changed files with 1 additions and 1 deletions
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2
bin/tests/system/xfer/ans5/ans.py
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@ -154,7 +154,7 @@ class Add50ToMessageIdFromSecondResponse(ResponseHandlerWrapper):
assert isinstance(
response_action, DnsResponseSend
), "Add50ToMessageIdFromSecondResponse can only wrap handlers that yield DnsResponseSend from the second response onward"
response_action.response.id += 50
response_action.response.id = (response_action.response.id + 50) % 65536
else:
self._first_yielded = True