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[PATCH v2 13/29] merge-recursive: fix memory leak when finalizing merge

From
Patrick Steinhardt <ps@pks.im>
Date
Jun 11, 2024, 09:20 UTC
Message-ID
<b6540e4aff9a355a62700983681efc3ea4419a05.1718095906.git.ps@pks.im>
In-Reply-To
<cover.1718095906.git.ps@pks.im>

We do not free some members of `struct merge_options`' private data. Fix this to plug those leaks.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
---
 merge-recursive.c               | 3 +++
 t/t1004-read-tree-m-u-wf.sh     | 1 +
 t/t1015-read-index-unmerged.sh  | 2 ++
 t/t3509-cherry-pick-merge-df.sh | 1 +
 4 files changed, 7 insertions(+)
diff --git a/merge-recursive.c b/merge-recursive.c
index eff73dac02..832c8ef3f3 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -3800,6 +3800,9 @@ static void merge_finalize(struct merge_options *opt)
 	if (show(opt, 2))
 		diff_warn_rename_limit("merge.renamelimit",
 				       opt->priv->needed_rename_limit, 0);
+	hashmap_clear_and_free(&opt->priv->current_file_dir_set,
+			       struct path_hashmap_entry, e);
+	string_list_clear(&opt->priv->df_conflict_file_set, 0);
 	FREE_AND_NULL(opt->priv);
 }
 
diff --git a/t/t1004-read-tree-m-u-wf.sh b/t/t1004-read-tree-m-u-wf.sh
index 11bf10424f..2b9720b0fe 100755
--- a/t/t1004-read-tree-m-u-wf.sh
+++ b/t/t1004-read-tree-m-u-wf.sh
@@ -5,6 +5,7 @@ test_description='read-tree -m -u checks working tree files'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-read-tree.sh
 
diff --git a/t/t1015-read-index-unmerged.sh b/t/t1015-read-index-unmerged.sh
index 55d22da32c..da737a32a2 100755
--- a/t/t1015-read-index-unmerged.sh
+++ b/t/t1015-read-index-unmerged.sh
@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='Test various callers of read_index_unmerged'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'setup modify/delete + directory/file conflict' '
diff --git a/t/t3509-cherry-pick-merge-df.sh b/t/t3509-cherry-pick-merge-df.sh
index f4159246e1..171cc6d76b 100755
--- a/t/t3509-cherry-pick-merge-df.sh
+++ b/t/t3509-cherry-pick-merge-df.sh
@@ -4,6 +4,7 @@ test_description='Test cherry-pick with directory/file conflicts'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'Initialize repository' '
-- 
2.45.2.436.gcd77e87115.dirty
Previous: Patrick SteinhardtNext: Patrick Steinhardt
Message 56 of 74 in “Memory leak fixes (pt.2)”
  1. 00/29 Memory leak fixes (pt.2)Patrick Steinhardt, Jun 3, 2024
  2. 01/29 revision: fix memory leak when reversing revisionsPatrick Steinhardt, Jun 3, 2024
  3. 02/29 parse-options: fix leaks for users of OPT_FILENAMEPatrick Steinhardt, Jun 3, 2024
  4. Karthik NayakJun 6, 2024
  5. 03/29 notes-utils: free note trees when releasing copied notesPatrick Steinhardt, Jun 3, 2024
  6. Karthik NayakJun 6, 2024
  7. 04/29 bundle: plug leaks in `create_bundle()`Patrick Steinhardt, Jun 3, 2024
  8. 05/29 biultin/rev-parse: fix memory leaks in `--parseopt` modePatrick Steinhardt, Jun 3, 2024
  9. 06/29 merge-recursive: fix leaging rename conflict infoPatrick Steinhardt, Jun 3, 2024
  10. Karthik NayakJun 6, 2024
  11. 07/29 revision: fix leaking display notesPatrick Steinhardt, Jun 3, 2024
  12. 08/29 notes: fix memory leak when pruning notesPatrick Steinhardt, Jun 3, 2024
  13. 09/29 builtin/rev-list: fix leaking bitmap index when calculating disk usagePatrick Steinhardt, Jun 3, 2024
  14. 10/29 object-name: free leaking object contextsPatrick Steinhardt, Jun 3, 2024
  15. 11/29 builtin/difftool: plug memory leaks in `run_dir_diff()`Patrick Steinhardt, Jun 3, 2024
  16. 12/29 builtin/merge-recursive: fix leaking object ID basesPatrick Steinhardt, Jun 3, 2024
  17. 13/29 merge-recursive: fix memory leak when finalizing mergePatrick Steinhardt, Jun 3, 2024
  18. Karthik NayakJun 6, 2024
  19. Phillip WoodJun 6, 2024
  20. Karthik NayakJun 12, 2024
  21. 14/29 builtin/log: fix leaking commit list in git-cherry(1)Patrick Steinhardt, Jun 3, 2024
  22. 15/29 revision: free diff optionsPatrick Steinhardt, Jun 3, 2024
  23. 16/29 builtin/stash: fix leak in `show_stash()`Patrick Steinhardt, Jun 3, 2024
  24. 17/29 rerere: fix various trivial leaksPatrick Steinhardt, Jun 3, 2024
  25. 18/29 config: fix leaking "core.notesref" variablePatrick Steinhardt, Jun 3, 2024
  26. 19/29 commit: fix leaking parents when calling `commit_tree_extended()`Patrick Steinhardt, Jun 3, 2024
  27. 20/29 sequencer: fix leaking string buffer in `commit_staged_changes()`Patrick Steinhardt, Jun 3, 2024
  28. Phillip WoodJun 3, 2024
  29. Patrick SteinhardtJun 4, 2024
  30. Patrick SteinhardtJun 4, 2024
  31. Phillip WoodJun 4, 2024
  32. 21/29 apply: fix leaking string in `match_fragment()`Patrick Steinhardt, Jun 3, 2024
  33. 22/29 builtin/clone: plug leaking HEAD ref in `wanted_peer_refs()`Patrick Steinhardt, Jun 3, 2024
  34. 23/29 sequencer: fix memory leaks in `make_script_with_merges()`Patrick Steinhardt, Jun 3, 2024
  35. 24/29 builtin/merge: fix leaking `struct cmdnames` in `get_strategy()`Patrick Steinhardt, Jun 3, 2024
  36. 25/29 merge: fix leaking merge basesPatrick Steinhardt, Jun 3, 2024
  37. 26/29 line-range: plug leaking find functionsPatrick Steinhardt, Jun 3, 2024
  38. 27/29 blame: fix leaking data for blame scoreboardsPatrick Steinhardt, Jun 3, 2024
  39. 28/29 builtin/blame: fix leaking prefixed pathsPatrick Steinhardt, Jun 3, 2024
  40. 29/29 builtin/blame: fix leaking ignore revs filesPatrick Steinhardt, Jun 3, 2024
  41. Karthik NayakJun 6, 2024
  42. Patrick SteinhardtJun 7, 2024
  43. 00/29 Memory leak fixes (pt.2)Patrick Steinhardt, Jun 11, 2024
  44. 01/29 revision: fix memory leak when reversing revisionsPatrick Steinhardt, Jun 11, 2024
  45. 02/29 parse-options: fix leaks for users of OPT_FILENAMEPatrick Steinhardt, Jun 11, 2024
  46. 03/29 notes-utils: free note trees when releasing copied notesPatrick Steinhardt, Jun 11, 2024
  47. 04/29 bundle: plug leaks in `create_bundle()`Patrick Steinhardt, Jun 11, 2024
  48. 05/29 biultin/rev-parse: fix memory leaks in `--parseopt` modePatrick Steinhardt, Jun 11, 2024
  49. 06/29 merge-recursive: fix leaking rename conflict infoPatrick Steinhardt, Jun 11, 2024
  50. 07/29 revision: fix leaking display notesPatrick Steinhardt, Jun 11, 2024
  51. 08/29 notes: fix memory leak when pruning notesPatrick Steinhardt, Jun 11, 2024
  52. 09/29 builtin/rev-list: fix leaking bitmap index when calculating disk usagePatrick Steinhardt, Jun 11, 2024
  53. 10/29 object-name: free leaking object contextsPatrick Steinhardt, Jun 11, 2024
  54. 11/29 builtin/difftool: plug memory leaks in `run_dir_diff()`Patrick Steinhardt, Jun 11, 2024
  55. 12/29 builtin/merge-recursive: fix leaking object ID basesPatrick Steinhardt, Jun 11, 2024
  56. 13/29 merge-recursive: fix memory leak when finalizing mergePatrick Steinhardt, Jun 11, 2024
  57. 14/29 builtin/log: fix leaking commit list in git-cherry(1)Patrick Steinhardt, Jun 11, 2024
  58. 15/29 revision: free diff optionsPatrick Steinhardt, Jun 11, 2024
  59. 16/29 builtin/stash: fix leak in `show_stash()`Patrick Steinhardt, Jun 11, 2024
  60. 17/29 rerere: fix various trivial leaksPatrick Steinhardt, Jun 11, 2024
  61. 18/29 config: fix leaking "core.notesref" variablePatrick Steinhardt, Jun 11, 2024
  62. 19/29 commit: fix leaking parents when calling `commit_tree_extended()`Patrick Steinhardt, Jun 11, 2024
  63. 20/29 sequencer: fix leaking string buffer in `commit_staged_changes()`Patrick Steinhardt, Jun 11, 2024
  64. 21/29 apply: fix leaking string in `match_fragment()`Patrick Steinhardt, Jun 11, 2024
  65. 22/29 builtin/clone: plug leaking HEAD ref in `wanted_peer_refs()`Patrick Steinhardt, Jun 11, 2024
  66. 23/29 sequencer: fix memory leaks in `make_script_with_merges()`Patrick Steinhardt, Jun 11, 2024
  67. 24/29 builtin/merge: fix leaking `struct cmdnames` in `get_strategy()`Patrick Steinhardt, Jun 11, 2024
  68. 25/29 merge: fix leaking merge basesPatrick Steinhardt, Jun 11, 2024
  69. 26/29 line-range: plug leaking find functionsPatrick Steinhardt, Jun 11, 2024
  70. 27/29 blame: fix leaking data for blame scoreboardsPatrick Steinhardt, Jun 11, 2024
  71. 28/29 builtin/blame: fix leaking prefixed pathsPatrick Steinhardt, Jun 11, 2024
  72. 29/29 builtin/blame: fix leaking ignore revs filesPatrick Steinhardt, Jun 11, 2024
  73. Phillip WoodJun 12, 2024
  74. Karthik NayakJun 12, 2024

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