6a3d4be3b8
A sequential lookup using any non-canceled context has a risk of returning the result of the previous lookup for a canceled context (i.e. an error). This is already prevented for timed out context by forgetting the host immediately and extending this to also compare the error to `context.Canceled` resolves this issue. Fixes #22724 Change-Id: I7aafa1459a0de4dc5c4332988fbea23cbf4dba07 Reviewed-on: https://go-review.googlesource.com/77670 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> |
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