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Update client/internal/dns/handler_chain.go

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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
This commit is contained in:
Viktor Liu
2026-04-21 18:46:36 +02:00
committed by GitHub
parent 7486738d0a
commit e6c62410ea
1 changed files with 6 additions and 1 deletions
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7
client/internal/dns/handler_chain.go
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@@ -305,7 +305,12 @@ func (c *HandlerChain) ResolveInternal(ctx context.Context, r *dns.Msg, maxPrior
select {
case <-done:
case <-ctx.Done():
return nil, fmt.Errorf("resolve %s: %w", strings.ToLower(r.Question[0].Name), ctx.Err())
// Prefer a completed response if dispatch finished concurrently with cancellation.
select {
case <-done:
default:
return nil, fmt.Errorf("resolve %s: %w", strings.ToLower(r.Question[0].Name), ctx.Err())
}
}
if base.response == nil || base.response.Rcode == dns.RcodeRefused {