net/http/internal/http2: don't reuse ClientRequest streams

The ClientRequest type (unlike http.Request) is not reusable
across RoundTrip attempts because it includes a single-use
clientStream. (It's possible for RoundTrip to return while
some goroutines are still accessing the clientStream.)

Always clone the ClientRequest on retries.

Fixes #78202
Fixes #78187

Change-Id: I4012bb4e017a9516278c873ec5a589086a6a6964
Reviewed-on: https://go-review.googlesource.com/c/go/+/761301
Reviewed-by: Nicholas Husin <husin@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Damien Neil <dneil@google.com>
Reviewed-by: Nicholas Husin <nsh@golang.org>
1 file changed
tree: 63a2bebd7351d760d17c3cebe9c9cf2c17fd5d90
  1. .github/
  2. api/
  3. doc/
  4. lib/
  5. misc/
  6. src/
  7. test/
  8. .gitattributes
  9. .gitignore
  10. codereview.cfg
  11. CONTRIBUTING.md
  12. go.env
  13. LICENSE
  14. PATENTS
  15. README.md
  16. SECURITY.md
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