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bisect: fix various cases where we leak commit list items 

There are various cases where we leak commit list items because we
evict items from the list, but don't free them. Plug those.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
maint
Patrick Steinhardt 2024-11-20 14:39:36 +01:00 committed by Junio C Hamano
parent 2b7706aae5
commit c1e98f9010
2 changed files with 23 additions and 8 deletions
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30
bisect.c
View File

@ -442,9 +442,12 @@ void find_bisection(struct commit_list **commit_list, int *reaches,
best->next = NULL; best->next = NULL;
} }
*reaches = weight(best); *reaches = weight(best);
} else {
free_commit_list(*commit_list);
} }
free(weights);
*commit_list = best; *commit_list = best;

free(weights);
clear_commit_weight(&commit_weight); clear_commit_weight(&commit_weight);
} }


@ -557,8 +560,11 @@ struct commit_list *filter_skipped(struct commit_list *list,
tried = &list->next; tried = &list->next;
} else { } else {
if (!show_all) { if (!show_all) {
if (!skipped_first || !*skipped_first) if (!skipped_first || !*skipped_first) {
free_commit_list(next);
free_commit_list(filtered);
return list; return list;
}
} else if (skipped_first && !*skipped_first) { } else if (skipped_first && !*skipped_first) {
/* This means we know it's not skipped */ /* This means we know it's not skipped */
*skipped_first = -1; *skipped_first = -1;
@ -614,7 +620,7 @@ static int sqrti(int val)


static struct commit_list *skip_away(struct commit_list *list, int count) static struct commit_list *skip_away(struct commit_list *list, int count)
{ {
struct commit_list *cur, *previous; struct commit_list *cur, *previous, *result = list;
int prn, index, i; int prn, index, i;


prn = get_prn(count); prn = get_prn(count);
@ -626,15 +632,23 @@ static struct commit_list *skip_away(struct commit_list *list, int count)
for (i = 0; cur; cur = cur->next, i++) { for (i = 0; cur; cur = cur->next, i++) {
if (i == index) { if (i == index) {
if (!oideq(&cur->item->object.oid, current_bad_oid)) if (!oideq(&cur->item->object.oid, current_bad_oid))
return cur; result = cur;
if (previous) else if (previous)
return previous; result = previous;
return list; else
result = list;
break;
} }
previous = cur; previous = cur;
} }


return list; for (cur = list; cur != result; ) {
struct commit_list *next = cur->next;
free(cur);
cur = next;
}

return result;
} }


static struct commit_list *managed_skipped(struct commit_list *list, static struct commit_list *managed_skipped(struct commit_list *list,

1
t/t6030-bisect-porcelain.sh
View File

@ -9,6 +9,7 @@ exec </dev/null
GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME


TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh . ./test-lib.sh


add_line_into_file() add_line_into_file()