#include "replace.h"
#include "system/time.h"
-#include "talloc.h"
+#include <talloc.h>
-static struct timeval timeval_current(void)
+#ifdef HAVE_PTHREAD
+#include <pthread.h>
+#endif
+
+#include <unistd.h>
+#include <sys/wait.h>
+
+#ifdef NDEBUG
+#undef NDEBUG
+#endif
+
+#include <assert.h>
+
+#include "talloc_testsuite.h"
+
+static struct timeval private_timeval_current(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return tv;
}
-static double timeval_elapsed(struct timeval *tv)
+static double private_timeval_elapsed(struct timeval *tv)
{
- struct timeval tv2 = timeval_current();
+ struct timeval tv2 = private_timeval_current();
return (tv2.tv_sec - tv->tv_sec) +
(tv2.tv_usec - tv->tv_usec)*1.0e-6;
}
return false; \
}
-#if _SAMBA_BUILD_==3
-#ifdef malloc
-#undef malloc
-#endif
-#ifdef strdup
-#undef strdup
-#endif
-#endif
-
#define CHECK_SIZE(test, ptr, tsize) do { \
if (talloc_total_size(ptr) != (tsize)) { \
printf("failed: %s [\n%s: wrong '%s' tree size: got %u expected %u\n]\n", \
static unsigned int test_abort_count;
+#if 0
static void test_abort_fn(const char *reason)
{
printf("# test_abort_fn(%s)\n", reason);
test_abort_count = 0;
talloc_set_abort_fn(test_abort_fn);
}
+#endif
static void test_abort_stop(void)
{
CHECK_BLOCKS("ref1", p1, 5);
CHECK_BLOCKS("ref1", p2, 1);
+ CHECK_BLOCKS("ref1", ref, 1);
CHECK_BLOCKS("ref1", r1, 2);
fprintf(stderr, "Freeing p2\n");
CHECK_BLOCKS("ref3", p1, 2);
CHECK_BLOCKS("ref3", p2, 2);
CHECK_BLOCKS("ref3", r1, 1);
+ CHECK_BLOCKS("ref3", ref, 1);
fprintf(stderr, "Freeing p1\n");
talloc_free(p1);
CHECK_BLOCKS("ref4", p1, 5);
CHECK_BLOCKS("ref4", p2, 1);
+ CHECK_BLOCKS("ref4", ref, 1);
CHECK_BLOCKS("ref4", r1, 2);
fprintf(stderr, "Freeing r1\n");
CHECK_BLOCKS("unlink", p1, 7);
CHECK_BLOCKS("unlink", p2, 1);
+ CHECK_BLOCKS("unlink", ref, 1);
CHECK_BLOCKS("unlink", r1, 2);
fprintf(stderr, "Unreferencing r1\n");
name = talloc_set_name(p1, "my name is %s", "foo");
torture_assert_str_equal("misc", talloc_get_name(p1), "my name is foo",
"failed: wrong name after talloc_set_name(my name is foo)");
+ torture_assert_str_equal("misc", talloc_get_name(p1), name,
+ "failed: wrong name after talloc_set_name(my name is foo)");
CHECK_BLOCKS("misc", p1, 2);
CHECK_BLOCKS("misc", root, 3);
CHECK_SIZE("misc", NULL, 0);
+ talloc_enable_null_tracking_no_autofree();
talloc_enable_leak_report();
talloc_enable_leak_report_full();
void *root;
struct el2 {
const char *name;
- } *el2;
+ } *el2, *el2_2, *el2_3, **el_list_save;
struct el1 {
int count;
struct el2 **list, **list2, **list3;
el1->list3[0]->name = talloc_strdup(el1->list3[0], "testing2");
el2 = talloc(el1->list, struct el2);
- el2 = talloc(el1->list2, struct el2);
- el2 = talloc(el1->list3, struct el2);
+ CHECK_PARENT("el2", el2, el1->list);
+ el2_2 = talloc(el1->list2, struct el2);
+ CHECK_PARENT("el2", el2_2, el1->list2);
+ el2_3 = talloc(el1->list3, struct el2);
+ CHECK_PARENT("el2", el2_3, el1->list3);
+ el_list_save = el1->list;
el1->list = talloc_realloc(el1, el1->list, struct el2 *, 100);
+ if (el1->list == el_list_save) {
+ printf("failure: talloc_realloc didn't move pointer");
+ return false;
+ }
+
+ CHECK_PARENT("el1_after_realloc", el1->list, el1);
el1->list2 = talloc_realloc(el1, el1->list2, struct el2 *, 200);
+ CHECK_PARENT("el1_after_realloc", el1->list2, el1);
el1->list3 = talloc_realloc(el1, el1->list3, struct el2 *, 300);
+ CHECK_PARENT("el1_after_realloc", el1->list3, el1);
+
+ CHECK_PARENT("el2", el2, el1->list);
+ CHECK_PARENT("el2", el2_2, el1->list2);
+ CHECK_PARENT("el2", el2_3, el1->list3);
+
+ /* Finally check realloc with multiple children */
+ el1 = talloc_realloc(root, el1, struct el1, 100);
+ CHECK_PARENT("el1->list", el1->list, el1);
+ CHECK_PARENT("el1->list2", el1->list2, el1);
+ CHECK_PARENT("el1->list3", el1->list3, el1);
talloc_free(root);
printf("test: speed\n# TALLOC VS MALLOC SPEED\n");
- tv = timeval_current();
+ tv = private_timeval_current();
count = 0;
do {
void *p1, *p2, *p3;
p1 = talloc_size(ctx, loop % 100);
p2 = talloc_strdup(p1, "foo bar");
p3 = talloc_size(p1, 300);
+ (void)p2;
+ (void)p3;
talloc_free(p1);
}
count += 3 * loop;
- } while (timeval_elapsed(&tv) < 5.0);
+ } while (private_timeval_elapsed(&tv) < 5.0);
- fprintf(stderr, "talloc: %.0f ops/sec\n", count/timeval_elapsed(&tv));
+ fprintf(stderr, "talloc: %.0f ops/sec\n", count/private_timeval_elapsed(&tv));
talloc_free(ctx);
ctx = talloc_pool(NULL, 1024);
- tv = timeval_current();
+ tv = private_timeval_current();
count = 0;
do {
void *p1, *p2, *p3;
p1 = talloc_size(ctx, loop % 100);
p2 = talloc_strdup(p1, "foo bar");
p3 = talloc_size(p1, 300);
- talloc_free_children(ctx);
+ (void)p2;
+ (void)p3;
+ talloc_free(p1);
}
count += 3 * loop;
- } while (timeval_elapsed(&tv) < 5.0);
+ } while (private_timeval_elapsed(&tv) < 5.0);
talloc_free(ctx);
- fprintf(stderr, "talloc_pool: %.0f ops/sec\n", count/timeval_elapsed(&tv));
+ fprintf(stderr, "talloc_pool: %.0f ops/sec\n", count/private_timeval_elapsed(&tv));
- tv = timeval_current();
+ tv = private_timeval_current();
count = 0;
do {
void *p1, *p2, *p3;
free(p3);
}
count += 3 * loop;
- } while (timeval_elapsed(&tv) < 5.0);
- fprintf(stderr, "malloc: %.0f ops/sec\n", count/timeval_elapsed(&tv));
+ } while (private_timeval_elapsed(&tv) < 5.0);
+ fprintf(stderr, "malloc: %.0f ops/sec\n", count/private_timeval_elapsed(&tv));
printf("success: speed\n");
return true;
}
+static int realloc_parent_destructor_count;
+
+static int test_realloc_parent_destructor(char *ptr)
+{
+ realloc_parent_destructor_count++;
+ return 0;
+}
+
+static bool test_realloc_on_destructor_parent(void)
+{
+ void *top = talloc_new(NULL);
+ char *parent;
+ char *a, *b, *C, *D;
+ realloc_parent_destructor_count = 0;
+
+ printf("test: free_for_exit\n# TALLOC FREE FOR EXIT\n");
+
+ parent = talloc_strdup(top, "parent");
+ a = talloc_strdup(parent, "a");
+ b = talloc_strdup(a, "b");
+ C = talloc_strdup(a, "C");
+ D = talloc_strdup(b, "D");
+ talloc_set_destructor(D, test_realloc_parent_destructor);
+ /* Capitalised ones have destructors.
+ *
+ * parent --> a -> b -> D
+ * -> c
+ */
+
+ a = talloc_realloc(parent, a, char, 2048);
+
+ torture_assert("check talloc_realloc", a != NULL, "talloc_realloc failed");
+
+ talloc_set_destructor(C, test_realloc_parent_destructor);
+ /*
+ * parent --> a[2048] -> b -> D
+ * -> C
+ *
+ */
+
+ talloc_free(parent);
+
+ torture_assert("check destructor realloc_parent_destructor",
+ realloc_parent_destructor_count == 2,
+ "FAILED TO FIRE free_for_exit_destructor\n");
+
+
+ printf("success: free_for_exit\n");
+ return true;
+}
+
static int fail_destructor_str(char *ptr)
{
return -1;
return true;
}
+struct new_parent {
+ void *new_parent;
+ char val[20];
+};
+
+static int reparenting_destructor(struct new_parent *np)
+{
+ talloc_set_destructor(np, NULL);
+ (void)talloc_move(np->new_parent, &np);
+ return -1;
+}
+
+static bool test_free_parent_reparent_child(void)
+{
+ void *top = talloc_new(NULL);
+ char *level1;
+ char *alternate_level1;
+ char *level2;
+ struct new_parent *level3;
+
+ printf("test: free_parent_reparent_child\n# "
+ "TALLOC FREE PARENT REPARENT CHILD\n");
+
+ level1 = talloc_strdup(top, "level1");
+ alternate_level1 = talloc_strdup(top, "alternate_level1");
+ level2 = talloc_strdup(level1, "level2");
+ level3 = talloc(level2, struct new_parent);
+ level3->new_parent = alternate_level1;
+ memset(level3->val, 'x', sizeof(level3->val));
+
+ talloc_set_destructor(level3, reparenting_destructor);
+ talloc_free(level1);
+
+ CHECK_PARENT("free_parent_reparent_child",
+ level3, alternate_level1);
+
+ talloc_free(top);
+
+ printf("success: free_parent_reparent_child\n");
+ return true;
+}
+
+static bool test_free_parent_reparent_child_in_pool(void)
+{
+ void *top = talloc_new(NULL);
+ char *level1;
+ char *alternate_level1;
+ char *level2;
+ void *pool;
+ struct new_parent *level3;
+
+ printf("test: free_parent_reparent_child_in_pool\n# "
+ "TALLOC FREE PARENT REPARENT CHILD IN POOL\n");
+
+ pool = talloc_pool(top, 1024);
+ level1 = talloc_strdup(pool, "level1");
+ alternate_level1 = talloc_strdup(top, "alternate_level1");
+ level2 = talloc_strdup(level1, "level2");
+ level3 = talloc(level2, struct new_parent);
+ level3->new_parent = alternate_level1;
+ memset(level3->val, 'x', sizeof(level3->val));
+
+ talloc_set_destructor(level3, reparenting_destructor);
+ talloc_free(level1);
+ talloc_set_destructor(level3, NULL);
+
+ CHECK_PARENT("free_parent_reparent_child_in_pool",
+ level3, alternate_level1);
+
+ /* Even freeing alternate_level1 should leave pool alone. */
+ talloc_free(alternate_level1);
+ talloc_free(top);
+
+ printf("success: free_parent_reparent_child_in_pool\n");
+ return true;
+}
+
+
static bool test_talloc_ptrtype(void)
{
void *top = talloc_new(NULL);
{
void *pool;
void *p1, *p2, *p3, *p4;
+ void *p2_2;
pool = talloc_pool(NULL, 1024);
p1 = talloc_size(pool, 80);
+ memset(p1, 0x11, talloc_get_size(p1));
p2 = talloc_size(pool, 20);
+ memset(p2, 0x11, talloc_get_size(p2));
p3 = talloc_size(p1, 50);
+ memset(p3, 0x11, talloc_get_size(p3));
p4 = talloc_size(p3, 1000);
+ memset(p4, 0x11, talloc_get_size(p4));
+
+#if 1 /* this relies on ALWAYS_REALLOC == 0 in talloc.c */
+ p2_2 = talloc_realloc_size(pool, p2, 20+1);
+ torture_assert("pool realloc 20+1", p2_2 == p2, "failed: pointer changed");
+ memset(p2, 0x11, talloc_get_size(p2));
+ p2_2 = talloc_realloc_size(pool, p2, 20-1);
+ torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed");
+ memset(p2, 0x11, talloc_get_size(p2));
+ p2_2 = talloc_realloc_size(pool, p2, 20-1);
+ torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed");
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ talloc_free(p3);
+
+ /* this should reclaim the memory of p4 and p3 */
+ p2_2 = talloc_realloc_size(pool, p2, 400);
+ torture_assert("pool realloc 400", p2_2 == p2, "failed: pointer changed");
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ talloc_free(p1);
+
+ /* this should reclaim the memory of p1 */
+ p2_2 = talloc_realloc_size(pool, p2, 800);
+ torture_assert("pool realloc 800", p2_2 == p1, "failed: pointer not changed");
+ p2 = p2_2;
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ /* this should do a malloc */
+ p2_2 = talloc_realloc_size(pool, p2, 1800);
+ torture_assert("pool realloc 1800", p2_2 != p2, "failed: pointer not changed");
+ p2 = p2_2;
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ /* this should reclaim the memory from the pool */
+ p3 = talloc_size(pool, 80);
+ torture_assert("pool alloc 80", p3 == p1, "failed: pointer changed");
+ memset(p3, 0x11, talloc_get_size(p3));
+
+ talloc_free(p2);
+ talloc_free(p3);
+
+ p1 = talloc_size(pool, 80);
+ memset(p1, 0x11, talloc_get_size(p1));
+ p2 = talloc_size(pool, 20);
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ talloc_free(p1);
+
+ p2_2 = talloc_realloc_size(pool, p2, 20-1);
+ torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed");
+ memset(p2, 0x11, talloc_get_size(p2));
+ p2_2 = talloc_realloc_size(pool, p2, 20-1);
+ torture_assert("pool realloc 20-1", p2_2 == p2, "failed: pointer changed");
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ /* this should do a malloc */
+ p2_2 = talloc_realloc_size(pool, p2, 1800);
+ torture_assert("pool realloc 1800", p2_2 != p2, "failed: pointer not changed");
+ p2 = p2_2;
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ /* this should reclaim the memory from the pool */
+ p3 = talloc_size(pool, 800);
+ torture_assert("pool alloc 800", p3 == p1, "failed: pointer changed");
+ memset(p3, 0x11, talloc_get_size(p3));
+
+#endif /* this relies on ALWAYS_REALLOC == 0 in talloc.c */
+
+ talloc_free(pool);
+
+ return true;
+}
+
+static bool test_pool_steal(void)
+{
+ void *root;
+ void *pool;
+ void *p1, *p2;
+ void *p1_2, *p2_2;
+ size_t hdr;
+ size_t ofs1, ofs2;
+
+ root = talloc_new(NULL);
+ pool = talloc_pool(root, 1024);
+
+ p1 = talloc_size(pool, 4 * 16);
+ torture_assert("pool allocate 4 * 16", p1 != NULL, "failed ");
+ memset(p1, 0x11, talloc_get_size(p1));
+ p2 = talloc_size(pool, 4 * 16);
+ torture_assert("pool allocate 4 * 16", p2 > p1, "failed: !(p2 > p1) ");
+ memset(p2, 0x11, talloc_get_size(p2));
+
+ ofs1 = PTR_DIFF(p2, p1);
+ hdr = ofs1 - talloc_get_size(p1);
+
+ talloc_steal(root, p1);
+ talloc_steal(root, p2);
talloc_free(pool);
+ p1_2 = p1;
+
+#if 1 /* this relies on ALWAYS_REALLOC == 0 in talloc.c */
+ p1_2 = talloc_realloc_size(root, p1, 5 * 16);
+ torture_assert("pool realloc 5 * 16", p1_2 > p2, "failed: pointer not changed");
+ memset(p1_2, 0x11, talloc_get_size(p1_2));
+ ofs1 = PTR_DIFF(p1_2, p2);
+ ofs2 = talloc_get_size(p2) + hdr;
+
+ torture_assert("pool realloc ", ofs1 == ofs2, "failed: pointer offset unexpected");
+
+ p2_2 = talloc_realloc_size(root, p2, 3 * 16);
+ torture_assert("pool realloc 5 * 16", p2_2 == p2, "failed: pointer changed");
+ memset(p2_2, 0x11, talloc_get_size(p2_2));
+#endif /* this relies on ALWAYS_REALLOC == 0 in talloc.c */
+
+ talloc_free(p1_2);
+
+ p2_2 = p2;
+
+#if 1 /* this relies on ALWAYS_REALLOC == 0 in talloc.c */
+ /* now we should reclaim the full pool */
+ p2_2 = talloc_realloc_size(root, p2, 8 * 16);
+ torture_assert("pool realloc 8 * 16", p2_2 == p1, "failed: pointer not expected");
+ p2 = p2_2;
+ memset(p2_2, 0x11, talloc_get_size(p2_2));
+
+ /* now we malloc and free the full pool space */
+ p2_2 = talloc_realloc_size(root, p2, 2 * 1024);
+ torture_assert("pool realloc 2 * 1024", p2_2 != p1, "failed: pointer not expected");
+ memset(p2_2, 0x11, talloc_get_size(p2_2));
+
+#endif /* this relies on ALWAYS_REALLOC == 0 in talloc.c */
+
+ talloc_free(p2_2);
+
+ talloc_free(root);
+
+ return true;
+}
+
+static bool test_pool_nest(void)
+{
+ void *p1, *p2, *p3;
+ void *e = talloc_new(NULL);
+
+ p1 = talloc_pool(NULL, 1024);
+ torture_assert("talloc_pool", p1 != NULL, "failed");
+
+ p2 = talloc_pool(p1, 500);
+ torture_assert("talloc_pool", p2 != NULL, "failed");
+
+ p3 = talloc_size(p2, 10);
+
+ talloc_steal(e, p3);
+
+ talloc_free(p2);
+
+ talloc_free(p3);
+
+ talloc_free(p1);
+
+ return true;
+}
+
+struct pooled {
+ char *s1;
+ char *s2;
+ char *s3;
+};
+
+static bool test_pooled_object(void)
+{
+ struct pooled *p;
+ const char *s1 = "hello";
+ const char *s2 = "world";
+ const char *s3 = "";
+
+ p = talloc_pooled_object(NULL, struct pooled, 3,
+ strlen(s1)+strlen(s2)+strlen(s3)+3);
+
+ if (talloc_get_size(p) != sizeof(struct pooled)) {
+ return false;
+ }
+
+ p->s1 = talloc_strdup(p, s1);
+
+ TALLOC_FREE(p->s1);
+ p->s1 = talloc_strdup(p, s2);
+ TALLOC_FREE(p->s1);
+
+ p->s1 = talloc_strdup(p, s1);
+ p->s2 = talloc_strdup(p, s2);
+ p->s3 = talloc_strdup(p, s3);
+
+ TALLOC_FREE(p);
+ return true;
+}
+
+static bool test_free_ref_null_context(void)
+{
+ void *p1, *p2, *p3;
+ int ret;
+
+ talloc_disable_null_tracking();
+ p1 = talloc_new(NULL);
+ p2 = talloc_new(NULL);
+
+ p3 = talloc_reference(p2, p1);
+ torture_assert("reference", p3 == p1, "failed: reference on null");
+
+ ret = talloc_free(p1);
+ torture_assert("ref free with null parent", ret == 0, "failed: free with null parent");
+ talloc_free(p2);
+
+ talloc_enable_null_tracking_no_autofree();
+ p1 = talloc_new(NULL);
+ p2 = talloc_new(NULL);
+
+ p3 = talloc_reference(p2, p1);
+ torture_assert("reference", p3 == p1, "failed: reference on null");
+
+ ret = talloc_free(p1);
+ torture_assert("ref free with null tracked parent", ret == 0, "failed: free with null parent");
+ talloc_free(p2);
+
+ return true;
+}
+
+static bool test_rusty(void)
+{
+ void *root;
+ const char *p1;
+
+ talloc_enable_null_tracking();
+ root = talloc_new(NULL);
+ p1 = talloc_strdup(root, "foo");
+ talloc_increase_ref_count(p1);
+ talloc_report_full(root, stdout);
+ talloc_free(root);
+ CHECK_BLOCKS("null_context", NULL, 2);
+ return true;
+}
+
+static bool test_free_children(void)
+{
+ void *root;
+ char *p1, *p2;
+ const char *name, *name2;
+
+ talloc_enable_null_tracking();
+ root = talloc_new(NULL);
+ p1 = talloc_strdup(root, "foo1");
+ p2 = talloc_strdup(p1, "foo2");
+ (void)p2;
+
+ talloc_set_name(p1, "%s", "testname");
+ talloc_free_children(p1);
+ /* check its still a valid talloc ptr */
+ talloc_get_size(talloc_get_name(p1));
+ if (strcmp(talloc_get_name(p1), "testname") != 0) {
+ return false;
+ }
+
+ talloc_set_name(p1, "%s", "testname");
+ name = talloc_get_name(p1);
+ talloc_free_children(p1);
+ /* check its still a valid talloc ptr */
+ talloc_get_size(talloc_get_name(p1));
+ torture_assert("name", name == talloc_get_name(p1), "name ptr changed");
+ torture_assert("namecheck", strcmp(talloc_get_name(p1), "testname") == 0,
+ "wrong name");
+ CHECK_BLOCKS("name1", p1, 2);
+
+ /* note that this does not free the old child name */
+ talloc_set_name_const(p1, "testname2");
+ name2 = talloc_get_name(p1);
+ /* but this does */
+ talloc_free_children(p1);
+ (void)name2;
+ torture_assert("namecheck", strcmp(talloc_get_name(p1), "testname2") == 0,
+ "wrong name");
+ CHECK_BLOCKS("name1", p1, 1);
+
+ talloc_report_full(root, stdout);
+ talloc_free(root);
+ return true;
+}
+
+static bool test_memlimit(void)
+{
+ void *root;
+ char *l1, *l2, *l3, *l4, *l5, *t;
+ char *pool;
+ int i;
+
+ printf("test: memlimit\n# MEMORY LIMITS\n");
+
+ printf("==== talloc_new(NULL)\n");
+ root = talloc_new(NULL);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_size(root, 2048)\n");
+ l1 = talloc_size(root, 2048);
+ torture_assert("memlimit", l1 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_free(l1)\n");
+ talloc_free(l1);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(root, level 1)\n");
+ l1 = talloc_strdup(root, "level 1");
+ torture_assert("memlimit", l1 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_set_memlimit(l1, 2048)\n");
+ torture_assert("memlimit", talloc_set_memlimit(l1, 2048) == 0,
+ "failed: setting memlimit should never fail\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_size(root, 2048)\n");
+ l2 = talloc_size(l1, 2048);
+ torture_assert("memlimit", l2 == NULL,
+ "failed: alloc should fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(l1, level 2)\n");
+ l2 = talloc_strdup(l1, "level 2");
+ torture_assert("memlimit", l2 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_free(l2)\n");
+ talloc_free(l2);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_size(NULL, 2048)\n");
+ l2 = talloc_size(NULL, 2048);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_steal(l1, l2)\n");
+ talloc_steal(l1, l2);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(l2, level 3)\n");
+ l3 = talloc_strdup(l2, "level 3");
+ torture_assert("memlimit", l3 == NULL,
+ "failed: alloc should fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_free(l2)\n");
+ talloc_free(l2);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(NULL, level 2)\n");
+ l2 = talloc_strdup(NULL, "level 2");
+ talloc_steal(l1, l2);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(l2, level 3)\n");
+ l3 = talloc_strdup(l2, "level 3");
+ torture_assert("memlimit", l3 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_set_memlimit(l3, 1024)\n");
+ torture_assert("memlimit", talloc_set_memlimit(l3, 1024) == 0,
+ "failed: setting memlimit should never fail\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(l3, level 4)\n");
+ l4 = talloc_strdup(l3, "level 4");
+ torture_assert("memlimit", l4 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_set_memlimit(l4, 512)\n");
+ torture_assert("memlimit", talloc_set_memlimit(l4, 512) == 0,
+ "failed: setting memlimit should never fail\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(l4, level 5)\n");
+ l5 = talloc_strdup(l4, "level 5");
+ torture_assert("memlimit", l5 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_realloc(NULL, l5, char, 600)\n");
+ t = talloc_realloc(NULL, l5, char, 600);
+ torture_assert("memlimit", t == NULL,
+ "failed: alloc should fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_realloc(NULL, l5, char, 5)\n");
+ l5 = talloc_realloc(NULL, l5, char, 5);
+ torture_assert("memlimit", l5 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(l3, level 4)\n");
+ l4 = talloc_strdup(l3, "level 4");
+ torture_assert("memlimit", l4 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_set_memlimit(l4, 512)\n");
+ torture_assert("memlimit", talloc_set_memlimit(l4, 512) == 0,
+ "failed: setting memlimit should never fail\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_strdup(l4, level 5)\n");
+ l5 = talloc_strdup(l4, "level 5");
+ torture_assert("memlimit", l5 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+
+ printf("==== Make new temp context and steal l5\n");
+ t = talloc_new(root);
+ talloc_steal(t, l5);
+
+ talloc_report_full(root, stdout);
+
+ printf("==== talloc_size(t, 2048)\n");
+ l1 = talloc_size(t, 2048);
+ torture_assert("memlimit", l1 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+
+ talloc_report_full(root, stdout);
+ talloc_free(root);
+
+ /* Test memlimits with pools. */
+ pool = talloc_pool(NULL, 10*1024);
+ torture_assert("memlimit", pool != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+ talloc_set_memlimit(pool, 10*1024);
+ for (i = 0; i < 9; i++) {
+ l1 = talloc_size(pool, 1024);
+ torture_assert("memlimit", l1 != NULL,
+ "failed: alloc should not fail due to memory limit\n");
+ }
+ /* The next alloc should fail. */
+ l2 = talloc_size(pool, 1024);
+ torture_assert("memlimit", l2 == NULL,
+ "failed: alloc should fail due to memory limit\n");
+
+ /* Moving one of the children shouldn't change the limit,
+ as it's still inside the pool. */
+ root = talloc_new(NULL);
+ talloc_steal(root, l1);
+ l2 = talloc_size(pool, 1024);
+ torture_assert("memlimit", l2 == NULL,
+ "failed: alloc should fail due to memory limit\n");
+
+ talloc_free(pool);
+ talloc_free(root);
+ printf("success: memlimit\n");
+
+ return true;
+}
+
+#ifdef HAVE_PTHREAD
+
+#define NUM_THREADS 100
+
+/* Sync variables. */
+static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
+static pthread_cond_t condvar = PTHREAD_COND_INITIALIZER;
+static void *intermediate_ptr;
+
+/* Subthread. */
+static void *thread_fn(void *arg)
+{
+ int ret;
+ const char *ctx_name = (const char *)arg;
+ void *sub_ctx = NULL;
+ /*
+ * Do stuff that creates a new talloc hierarchy in
+ * this thread.
+ */
+ void *top_ctx = talloc_named_const(NULL, 0, "top");
+ if (top_ctx == NULL) {
+ return NULL;
+ }
+ sub_ctx = talloc_named_const(top_ctx, 100, ctx_name);
+ if (sub_ctx == NULL) {
+ return NULL;
+ }
+
+ /*
+ * Now transfer a pointer from our hierarchy
+ * onto the intermediate ptr.
+ */
+ ret = pthread_mutex_lock(&mtx);
+ if (ret != 0) {
+ talloc_free(top_ctx);
+ return NULL;
+ }
+ /* Wait for intermediate_ptr to be free. */
+ while (intermediate_ptr != NULL) {
+ ret = pthread_cond_wait(&condvar, &mtx);
+ if (ret != 0) {
+ talloc_free(top_ctx);
+ ret = pthread_mutex_unlock(&mtx);
+ assert(ret == 0);
+ return NULL;
+ }
+ }
+
+ /* and move our memory onto it from our toplevel hierarchy. */
+ intermediate_ptr = talloc_move(NULL, &sub_ctx);
+
+ /* Tell the main thread it's ready for pickup. */
+ pthread_cond_broadcast(&condvar);
+ ret = pthread_mutex_unlock(&mtx);
+ assert(ret == 0);
+
+ talloc_free(top_ctx);
+ return NULL;
+}
+
+/* Main thread. */
+static bool test_pthread_talloc_passing(void)
+{
+ int i;
+ int ret;
+ char str_array[NUM_THREADS][20];
+ pthread_t thread_id;
+ void *mem_ctx;
+
+ /*
+ * Important ! Null tracking breaks threaded talloc.
+ * It *must* be turned off.
+ */
+ talloc_disable_null_tracking();
+
+ printf("test: pthread_talloc_passing\n# PTHREAD TALLOC PASSING\n");
+
+ /* Main thread toplevel context. */
+ mem_ctx = talloc_named_const(NULL, 0, "toplevel");
+ if (mem_ctx == NULL) {
+ printf("failed to create toplevel context\n");
+ return false;
+ }
+
+ /*
+ * Spin off NUM_THREADS threads.
+ * They will use their own toplevel contexts.
+ */
+ for (i = 0; i < NUM_THREADS; i++) {
+ ret = snprintf(str_array[i],
+ 20,
+ "thread:%d",
+ i);
+ if (ret < 0) {
+ printf("snprintf %d failed\n", i);
+ return false;
+ }
+ ret = pthread_create(&thread_id,
+ NULL,
+ thread_fn,
+ str_array[i]);
+ if (ret != 0) {
+ printf("failed to create thread %d (%d)\n", i, ret);
+ return false;
+ }
+ }
+
+ printf("Created %d threads\n", NUM_THREADS);
+
+ /* Now wait for NUM_THREADS transfers of the talloc'ed memory. */
+ for (i = 0; i < NUM_THREADS; i++) {
+ ret = pthread_mutex_lock(&mtx);
+ if (ret != 0) {
+ printf("pthread_mutex_lock %d failed (%d)\n", i, ret);
+ talloc_free(mem_ctx);
+ return false;
+ }
+
+ /* Wait for intermediate_ptr to have our data. */
+ while (intermediate_ptr == NULL) {
+ ret = pthread_cond_wait(&condvar, &mtx);
+ if (ret != 0) {
+ printf("pthread_cond_wait %d failed (%d)\n", i,
+ ret);
+ talloc_free(mem_ctx);
+ ret = pthread_mutex_unlock(&mtx);
+ assert(ret == 0);
+ }
+ }
+
+ /* and move it onto our toplevel hierarchy. */
+ (void)talloc_move(mem_ctx, &intermediate_ptr);
+
+ /* Tell the sub-threads we're ready for another. */
+ pthread_cond_broadcast(&condvar);
+ ret = pthread_mutex_unlock(&mtx);
+ assert(ret == 0);
+ }
+
+ CHECK_SIZE("pthread_talloc_passing", mem_ctx, NUM_THREADS * 100);
+#if 1
+ /* Dump the hierarchy. */
+ talloc_report(mem_ctx, stdout);
+#endif
+ talloc_free(mem_ctx);
+ printf("success: pthread_talloc_passing\n");
+ return true;
+}
+#endif
+
+static void test_magic_protection_abort(const char *reason)
+{
+ /* exit with errcode 42 to communicate successful test to the parent process */
+ if (strcmp(reason, "Bad talloc magic value - unknown value") == 0) {
+ _exit(42);
+ } else {
+ printf("talloc aborted for an unexpected reason\n");
+ }
+}
+
+static int test_magic_protection_destructor(int *ptr)
+{
+ _exit(404); /* Not 42 */
+}
+
+static bool test_magic_protection(void)
+{
+ void *pool = talloc_pool(NULL, 1024);
+ int *p1, *p2;
+ pid_t pid;
+ int exit_status;
+
+ printf("test: magic_protection\n");
+ p1 = talloc(pool, int);
+ p2 = talloc(pool, int);
+
+ /* To avoid complaints from the compiler assign values to the p1 & p2. */
+ *p1 = 6;
+ *p2 = 9;
+
+ pid = fork();
+ if (pid == 0) {
+ talloc_set_abort_fn(test_magic_protection_abort);
+ talloc_set_destructor(p2, test_magic_protection_destructor);
+
+ /*
+ * Simulate a security attack
+ * by triggering a buffer overflow in memset to overwrite the
+ * constructor in the next pool chunk.
+ *
+ * Real attacks would attempt to set a real destructor.
+ */
+ memset(p1, '\0', 32);
+
+ /* Then the attack takes effect when the memory's freed. */
+ talloc_free(pool);
+
+ /* Never reached. Make compilers happy */
+ return true;
+ }
+
+ while (wait(&exit_status) != pid);
+
+ if (!WIFEXITED(exit_status)) {
+ printf("Child exited through unexpected abnormal means\n");
+ return false;
+ }
+ if (WEXITSTATUS(exit_status) != 42) {
+ printf("Child exited with wrong exit status\n");
+ return false;
+ }
+ if (WIFSIGNALED(exit_status)) {
+ printf("Child recieved unexpected signal\n");
+ return false;
+ }
+
+ printf("success: magic_protection\n");
return true;
}
talloc_set_log_fn(test_log_stdout);
test_abort_stop();
talloc_disable_null_tracking();
- talloc_enable_null_tracking();
+ talloc_enable_null_tracking_no_autofree();
}
-struct torture_context;
bool torture_local_talloc(struct torture_context *tctx)
{
bool ret = true;
setlinebuf(stdout);
+ test_reset();
+ ret &= test_pooled_object();
+ test_reset();
+ ret &= test_pool_nest();
test_reset();
ret &= test_ref1();
test_reset();
test_reset();
ret &= test_free_parent_deny_child();
test_reset();
+ ret &= test_realloc_on_destructor_parent();
+ test_reset();
+ ret &= test_free_parent_reparent_child();
+ test_reset();
+ ret &= test_free_parent_reparent_child_in_pool();
+ test_reset();
ret &= test_talloc_ptrtype();
test_reset();
ret &= test_talloc_free_in_destructor();
test_reset();
ret &= test_pool();
+ test_reset();
+ ret &= test_pool_steal();
+ test_reset();
+ ret &= test_free_ref_null_context();
+ test_reset();
+ ret &= test_rusty();
+ test_reset();
+ ret &= test_free_children();
+ test_reset();
+ ret &= test_memlimit();
+#ifdef HAVE_PTHREAD
+ test_reset();
+ ret &= test_pthread_talloc_passing();
+#endif
+
if (ret) {
test_reset();
}
test_reset();
ret &= test_autofree();
-
test_reset();
+ ret &= test_magic_protection();
+ test_reset();
+ talloc_disable_null_tracking();
return ret;
}
git.samba.org / sfrench / samba-autobuild / .git / blobdiff