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| author | Nicholas S. Husin <nsh@golang.org> | 2026-04-13 13:30:33 -0400 |
|---|---|---|
| committer | Nicholas Husin <nsh@golang.org> | 2026-04-13 12:51:05 -0700 |
| commit | 81e9cc392e5787493094f1687341a626936ffdb3 (patch) | |
| tree | 3aa5d7e32d3db8df210d3cb8c559ce363df89828 /src | |
| parent | e7c75c3ae80338a635051770052652870679aaf5 (diff) | |
| download | go-81e9cc392e5787493094f1687341a626936ffdb3.tar.xz | |
net/http: fix wrong context being used when shutting down HTTP/3 server
t.Context was accidentally used within a t.Cleanup. This is a mistake
since t.Context will always have been cancelled by the time t.Cleanup
runs.
This is likely the reason for flakiness in some builders: our HTTP/3
finishes before QUIC connections can finish closing asynchronously,
which are then detected as goroutine leaks. To account for this, also
make the shutdown context timeout more generous.
For #70914
Change-Id: I0e5f06a47ef25c5df535543fc1e602f16a6a6964
Reviewed-on: https://go-review.googlesource.com/c/go/+/766620
LUCI-TryBot-Result: golang-scoped@luci-project-accounts.iam.gserviceaccount.com <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Nicholas Husin <husin@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/net/http/clientserver_test.go | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/net/http/clientserver_test.go b/src/net/http/clientserver_test.go index ca68096e2b..0bcc950103 100644 --- a/src/net/http/clientserver_test.go +++ b/src/net/http/clientserver_test.go @@ -280,8 +280,11 @@ func newClientServerTest(t testing.TB, mode testMode, h Handler, opts ...any) *c listenAddr := <-listenAddrCh cst.ts.URL = "https://" + listenAddr t.Cleanup(func() { - // Same timeout as in HTTP/2 goAwayTimeout when shutting down in tests. - ctx, cancel := context.WithTimeout(t.Context(), 25*time.Millisecond) + // Give a relatively generous timeout. If the timeout is too short, + // the test might return before QUIC connections can finish closing + // asynchronously in some builders. The open connections will cause + // TestMain to detect a goroutine leak and fail. + ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() cst.ts.Config.Shutdown(ctx) }) |