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Fix possible double free during context destruction

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This commit is contained in:
Alexander Rosenberg
2025-09-09 00:48:50 -07:00
parent 52008a0110
commit 9282e0bbc6
2 changed files with 36 additions and 18 deletions
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22
test/test_refcount.c
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@ -55,12 +55,16 @@ int main(int argc, const char **argv) {
ctx_and_flag.ctx = c;
A static_a = {
.num = 0,
.str = counting_strdup("static"),
.next = make_a(c, 0, "in static"),
};
refcount_context_init_static(c, &static_a);
#define STATIC_A(id) \
A static_a_##id = { \
.num = __LINE__, \
.str = counting_strdup("static " #id), \
.next = make_a(c, 0, "in static " #id), \
}; \
refcount_context_init_static(c, &static_a_##id)
STATIC_A(1);
STATIC_A(2);
STATIC_A(3);
A *a = make_a(c, 10, "Hello world\n");
assert(!refcount_context_is_static(c, a));
@ -187,10 +191,12 @@ int main(int argc, const char **argv) {
assert(refcount_context_num_refs(c, a) == 1);
assert(!refcount_context_unref(c, a));
refcount_context_deinit_static(c, &static_a);
counting_free(static_a.str);
refcount_context_deinit_static(c, &static_a_1);
counting_free(static_a_1.str);
refcount_context_destroy(c);
counting_free(static_a_2.str);
counting_free(static_a_3.str);
check_allocator_status();
return 0;