[fidl] Fix arena destruction ordering issue

For messages with handles, it is possible for the handles to be
destructed after the arena-stored handle buffer is destructed. This
is a use-after-free, which is fixed by this CL.

Fixed: 102974
Change-Id: I5a703729fb9022c07d8a31686c37feff0c56fe3d
Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/693425
Commit-Queue: Benjamin Prosnitz <bprosnitz@google.com>
Reviewed-by: Yifei Teng <yifeit@google.com>
9 files changed
tree: 8bfd664e98997fc5d37c5fb76822f9daa5d67364
  1. boards/
  2. build/
  3. bundles/
  4. docs/
  5. examples/
  6. products/
  7. scripts/
  8. sdk/
  9. src/
  10. third_party/
  11. tools/
  12. zircon/
  13. .clang-format
  14. .clang-tidy
  15. .editorconfig
  16. .git-blame-ignore-revs
  17. .gitattributes
  18. .gitignore
  19. .gn
  20. .style.yapf
  21. analysis_options.yaml
  22. AUTHORS
  23. BUILD.gn
  24. CODE_OF_CONDUCT.md
  25. CONTRIBUTING.md
  26. LICENSE
  27. OWNERS
  28. PATENTS
  29. pyrightconfig.json
  30. README.md
  31. rustfmt.toml
README.md

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