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Cezar Sa Espinola e341bae08d net: use network and host as singleflight key during lookupIP 
In CL 120215 the cgo resolver was changed to have different logic based
on the network being queried. However, the singleflight cache key wasn't
updated to also include the network. This way it was possible for
concurrent queries to return the result for the wrong network.

This CL changes the key to include both network and host, fixing the
problem.

Fixes #30521

Change-Id: I8b41b0ce1d9a02d18876c43e347654312eba22fc
Reviewed-on: https://go-review.googlesource.com/c/go/+/166037
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
2019-03-08 01:21:52 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api text/scanner: don't liberally consume (invalid) floats or underbars 2019-02-20 20:23:28 +00:00
doc doc: add missing paragraph break in Effective Go 2019-03-07 04:46:03 +00:00
lib/time time: read 64-bit data if available 2019-02-26 23:10:35 +00:00
misc misc: fix typos in various docs 2019-03-07 07:30:06 +00:00
src net: use network and host as singleflight key during lookupIP 2019-03-08 01:21:52 +00:00
test cmd/compile: change the condition flags of floating-point comparisons in arm64 backend 2019-03-07 21:23:52 +00:00
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AUTHORS A+C: change email address for Elias Naur 2019-01-23 15:05:26 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: second round of updates for Go 1.12 2019-01-30 18:01:19 +00:00
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README.md

The Go Programming Language

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