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Re: [PATCH v2 3/3] Revert "pack-objects: lazily set up "struct rev_info", don't leak"

From
René Scharfe <l.s.r@web.de>
Date
Nov 28, 2022, 11:26 UTC
Message-ID
<d10de9b5-e5ff-18d6-d950-1d090d87b113@web.de>
In-Reply-To
<xmqqv8mz5ras.fsf@gitster.g>
Am 28.11.2022 um 11:03 schrieb Junio C Hamano:
Show 17 quoted lines
> René Scharfe <l.s.r@web.de> writes:
>
>> This reverts commit 5cb28270a1ff94a0a23e67b479bbbec3bc993518.
>>
>> 5cb28270a1 (pack-objects: lazily set up "struct rev_info", don't leak,
>> 2022-03-28) avoided leaking rev_info allocations in many cases by
>> calling repo_init_revisions() only when the .filter member was actually
>> needed, but then still leaking it.  That was fixed later by 2108fe4a19
>> (revisions API users: add straightforward release_revisions(),
>> 2022-04-13), making the reverted commit unnecessary.
>
> Hmph, with this merged, 'seen' breaks linux-leaks job in a strange
> way.
>
> https://github.com/git/git/actions/runs/3563546608/jobs/5986458300#step:5:3917
>
> Does anybody want to help looking into it?

The patch exposes that release_revisions() leaks the diffopt allocations as we're yet to address the TODO added by 54c8a7c379 (revisions API: add a TODO for diff_free(&revs->diffopt), 2022-04-14).

The patch below plugs it locally.
--- >8 ---
Subject: [PATCH 4/3] fixup! revision: free diffopt in release_revisions()
Signed-off-by: René Scharfe <l.s.r@web.de>
---
 builtin/pack-objects.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 3e74fbb0cd..a47a3f0fba 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -4462,6 +4462,7 @@ int cmd_pack_objects(int argc, const char **argv, const char *prefix)
 	} else {
 		get_object_list(&revs, rp.nr, rp.v);
 	}
+	diff_free(&revs.diffopt);
 	release_revisions(&revs);
 	cleanup_preferred_base();
 	if (include_tag && nr_result)
--
2.30.2
Previous: Junio C HamanoNext: Ævar Arnfjörð Bjarmason
Message 20 of 52 in “pack-objects: fix and simplify --filter handling”
  1. 0/3 pack-objects: fix and simplify --filter handlingRené Scharfe, Nov 12, 2022
  2. 1/3 pack-objects: fix handling of multiple --filter optionsRené Scharfe, Nov 12, 2022
  3. Ævar Arnfjörð BjarmasonNov 12, 2022
  4. René ScharfeNov 13, 2022
  5. Jeff KingNov 12, 2022
  6. Taylor BlauNov 13, 2022
  7. Jeff KingNov 13, 2022
  8. René ScharfeNov 13, 2022
  9. 2/3 pack-object: simplify --filter handlingRené Scharfe, Nov 12, 2022
  10. Ævar Arnfjörð BjarmasonNov 12, 2022
  11. Jeff KingNov 12, 2022
  12. Jeff KingNov 13, 2022
  13. René ScharfeNov 13, 2022
  14. 3/3 list-objects-filter: remove OPT_PARSE_LIST_OBJECTS_FILTER_INIT()René Scharfe, Nov 12, 2022
  15. 0/3 pack-objects: fix and simplify --filter handlingRené Scharfe, Nov 20, 2022
  16. 2/3 t5317: demonstrate failure to handle multiple --filter optionsRené Scharfe, Nov 20, 2022
  17. 1/3 t5317: stop losing return codes of git ls-filesRené Scharfe, Nov 20, 2022
  18. 3/3 Revert "pack-objects: lazily set up "struct rev_info", don't leak"René Scharfe, Nov 20, 2022
  19. Junio C HamanoNov 28, 2022
  20. René ScharfeNov 28, 2022
  21. Ævar Arnfjörð BjarmasonNov 28, 2022
  22. Ævar Arnfjörð BjarmasonNov 28, 2022
  23. René ScharfeNov 28, 2022
  24. Ævar Arnfjörð BjarmasonNov 28, 2022
  25. René ScharfeNov 28, 2022
  26. Ævar Arnfjörð BjarmasonNov 28, 2022
  27. René ScharfeNov 28, 2022
  28. René ScharfeNov 28, 2022
  29. Ævar Arnfjörð BjarmasonNov 28, 2022
  30. René ScharfeNov 28, 2022
  31. Jeff KingNov 29, 2022
  32. Junio C HamanoNov 29, 2022
  33. Ævar Arnfjörð BjarmasonNov 29, 2022
  34. Ævar Arnfjörð BjarmasonNov 29, 2022
  35. René ScharfeNov 29, 2022
  36. Ævar Arnfjörð BjarmasonNov 28, 2022
  37. Ævar Arnfjörð BjarmasonNov 28, 2022
  38. t5314: check exit code of "rev-parse"Ævar Arnfjörð Bjarmason, Nov 28, 2022
  39. René ScharfeNov 28, 2022
  40. t5314: check exit code of "git"Ævar Arnfjörð Bjarmason, Nov 28, 2022
  41. Jeff KingNov 22, 2022
  42. 0/5 pack-objects: fix and simplify --filter handlingRené Scharfe, Nov 29, 2022
  43. 1/5 t5317: stop losing return codes of git ls-filesRené Scharfe, Nov 29, 2022
  44. 2/5 t5317: demonstrate failure to handle multiple --filter optionsRené Scharfe, Nov 29, 2022
  45. 3/5 pack-objects: fix handling of multiple --filter optionsRené Scharfe, Nov 29, 2022
  46. Junio C HamanoNov 30, 2022
  47. René ScharfeNov 30, 2022
  48. 4/5 pack-objects: simplify --filter handlingRené Scharfe, Nov 29, 2022
  49. Ævar Arnfjörð BjarmasonNov 29, 2022
  50. René ScharfeNov 30, 2022
  51. 5/5 list-objects-filter: remove OPT_PARSE_LIST_OBJECTS_FILTER_INIT()René Scharfe, Nov 29, 2022
  52. Junio C HamanoNov 30, 2022

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