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Re: [PATCH v2 05/12] diffcore-rename: move old_dir/new_dir definition to plug leak

From
Junio C Hamano <gitster@pobox.com>
Date
Jul 26, 2021, 20:02 UTC
Message-ID
<xmqqim0wj11t.fsf@gitster.g>
In-Reply-To
<20210725130830.5145-6-andrzej@ahunt.org>
andrzej@ahunt.org writes:
Show 10 quoted lines
> From: Andrzej Hunt <ajrhunt@google.com>
>
> old_dir/new_dir are free()'d at the end of update_dir_rename_counts,
> however if we return early we'll never free those strings. Therefore
> we should move all new allocations after the possible early return,
> avoiding a leak.
>
> This seems like a fairly recent leak, that started happening since the
> early-return was added in:
>   1ad69eb0dc (diffcore-rename: compute dir_rename_counts in stages, 2021-02-27)

Yup. It is not surprising to have issues in younger parts of the code. Thanks.

Previous: andrzej@ahunt.orgNext: andrzej@ahunt.org
Message 44 of 51 in “Fix all leaks in tests t0002-t0099: Part 2”
  1. 00/12 Fix all leaks in tests t0002-t0099: Part 2andrzej@ahunt.org, Jun 20, 2021
  2. 01/12 fmt-merge-msg: free newly allocated temporary strings when doneandrzej@ahunt.org, Jun 20, 2021
  3. Elijah NewrenJun 21, 2021
  4. 02/12 environment: move strbuf into block to plug leakandrzej@ahunt.org, Jun 20, 2021
  5. Elijah NewrenJun 21, 2021
  6. René ScharfeJun 26, 2021
  7. 03/12 builtin/submodule--helper: release unused strbuf to avoid leakandrzej@ahunt.org, Jun 20, 2021
  8. 04/12 builtin/for-each-repo: remove unnecessary argv copy to plug leakandrzej@ahunt.org, Jun 20, 2021
  9. Elijah NewrenJun 21, 2021
  10. 05/12 diffcore-rename: move old_dir/new_dir definition to plug leakandrzej@ahunt.org, Jun 20, 2021
  11. Elijah NewrenJun 21, 2021
  12. 06/12 ref-filter: also free head for ATOM_HEAD to avoid leakandrzej@ahunt.org, Jun 20, 2021
  13. Elijah NewrenJun 21, 2021
  14. 07/12 read-cache: call diff_setup_done to avoid leakandrzej@ahunt.org, Jun 20, 2021
  15. Elijah NewrenJun 21, 2021
  16. 08/12 convert: release strbuf to avoid leakandrzej@ahunt.org, Jun 20, 2021
  17. Elijah NewrenJun 21, 2021
  18. 09/12 builtin/mv: free or UNLEAK multiple pointers at end of cmd_mvandrzej@ahunt.org, Jun 20, 2021
  19. 10/12 builtin/merge: free found_ref when doneandrzej@ahunt.org, Jun 20, 2021
  20. Elijah NewrenJun 21, 2021
  21. 11/12 builtin/rebase: fix options.strategy memory lifecycleandrzej@ahunt.org, Jun 20, 2021
  22. Phillip WoodJun 20, 2021
  23. Elijah NewrenJun 21, 2021
  24. Phillip WoodJun 22, 2021
  25. Andrzej HuntJul 25, 2021
  26. Phillip WoodJul 27, 2021
  27. 12/12 reset: clear_unpack_trees_porcelain to plug leakandrzej@ahunt.org, Jun 20, 2021
  28. Elijah NewrenJun 21, 2021
  29. Elijah NewrenJun 21, 2021
  30. Andrzej HuntJul 25, 2021
  31. Christian CouderJul 26, 2021
  32. 00/12 Fix all leaks in tests t0002-t0099: Part 2andrzej@ahunt.org, Jul 25, 2021
  33. 01/12 fmt-merge-msg: free newly allocated temporary strings when doneandrzej@ahunt.org, Jul 25, 2021
  34. Junio C HamanoJul 26, 2021
  35. 02/12 environment: move strbuf into block to plug leakandrzej@ahunt.org, Jul 25, 2021
  36. 03/12 builtin/submodule--helper: release unused strbuf to avoid leakandrzej@ahunt.org, Jul 25, 2021
  37. 04/12 builtin/for-each-repo: remove unnecessary argv copy to plug leakandrzej@ahunt.org, Jul 25, 2021
  38. Junio C HamanoJul 26, 2021
  39. 06/12 ref-filter: also free head for ATOM_HEAD to avoid leakandrzej@ahunt.org, Jul 25, 2021
  40. Junio C HamanoJul 26, 2021
  41. 07/12 read-cache: call diff_setup_done to avoid leakandrzej@ahunt.org, Jul 25, 2021
  42. Junio C HamanoJul 26, 2021
  43. 05/12 diffcore-rename: move old_dir/new_dir definition to plug leakandrzej@ahunt.org, Jul 25, 2021
  44. Junio C HamanoJul 26, 2021
  45. 09/12 builtin/mv: free or UNLEAK multiple pointers at end of cmd_mvandrzej@ahunt.org, Jul 25, 2021
  46. 08/12 convert: release strbuf to avoid leakandrzej@ahunt.org, Jul 25, 2021
  47. Junio C HamanoJul 26, 2021
  48. 10/12 builtin/merge: free found_ref when doneandrzej@ahunt.org, Jul 25, 2021
  49. 12/12 reset: clear_unpack_trees_porcelain to plug leakandrzej@ahunt.org, Jul 25, 2021
  50. 11/12 builtin/rebase: fix options.strategy memory lifecycleandrzej@ahunt.org, Jul 25, 2021
  51. Junio C HamanoJul 26, 2021

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