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Diffstat (limited to 'memory/jemalloc/src/test/unit/junk.c')
-rw-r--r--memory/jemalloc/src/test/unit/junk.c253
1 files changed, 0 insertions, 253 deletions
diff --git a/memory/jemalloc/src/test/unit/junk.c b/memory/jemalloc/src/test/unit/junk.c
deleted file mode 100644
index 460bd524d3..0000000000
--- a/memory/jemalloc/src/test/unit/junk.c
+++ /dev/null
@@ -1,253 +0,0 @@
-#include "test/jemalloc_test.h"
-
-#ifdef JEMALLOC_FILL
-# ifndef JEMALLOC_TEST_JUNK_OPT
-# define JEMALLOC_TEST_JUNK_OPT "junk:true"
-# endif
-const char *malloc_conf =
- "abort:false,zero:false,redzone:true,quarantine:0," JEMALLOC_TEST_JUNK_OPT;
-#endif
-
-static arena_dalloc_junk_small_t *arena_dalloc_junk_small_orig;
-static arena_dalloc_junk_large_t *arena_dalloc_junk_large_orig;
-static huge_dalloc_junk_t *huge_dalloc_junk_orig;
-static void *watch_for_junking;
-static bool saw_junking;
-
-static void
-watch_junking(void *p)
-{
-
- watch_for_junking = p;
- saw_junking = false;
-}
-
-static void
-arena_dalloc_junk_small_intercept(void *ptr, arena_bin_info_t *bin_info)
-{
- size_t i;
-
- arena_dalloc_junk_small_orig(ptr, bin_info);
- for (i = 0; i < bin_info->reg_size; i++) {
- assert_u_eq(((uint8_t *)ptr)[i], JEMALLOC_FREE_JUNK,
- "Missing junk fill for byte %zu/%zu of deallocated region",
- i, bin_info->reg_size);
- }
- if (ptr == watch_for_junking)
- saw_junking = true;
-}
-
-static void
-arena_dalloc_junk_large_intercept(void *ptr, size_t usize)
-{
- size_t i;
-
- arena_dalloc_junk_large_orig(ptr, usize);
- for (i = 0; i < usize; i++) {
- assert_u_eq(((uint8_t *)ptr)[i], JEMALLOC_FREE_JUNK,
- "Missing junk fill for byte %zu/%zu of deallocated region",
- i, usize);
- }
- if (ptr == watch_for_junking)
- saw_junking = true;
-}
-
-static void
-huge_dalloc_junk_intercept(void *ptr, size_t usize)
-{
-
- huge_dalloc_junk_orig(ptr, usize);
- /*
- * The conditions under which junk filling actually occurs are nuanced
- * enough that it doesn't make sense to duplicate the decision logic in
- * test code, so don't actually check that the region is junk-filled.
- */
- if (ptr == watch_for_junking)
- saw_junking = true;
-}
-
-static void
-test_junk(size_t sz_min, size_t sz_max)
-{
- uint8_t *s;
- size_t sz_prev, sz, i;
-
- if (opt_junk_free) {
- arena_dalloc_junk_small_orig = arena_dalloc_junk_small;
- arena_dalloc_junk_small = arena_dalloc_junk_small_intercept;
- arena_dalloc_junk_large_orig = arena_dalloc_junk_large;
- arena_dalloc_junk_large = arena_dalloc_junk_large_intercept;
- huge_dalloc_junk_orig = huge_dalloc_junk;
- huge_dalloc_junk = huge_dalloc_junk_intercept;
- }
-
- sz_prev = 0;
- s = (uint8_t *)mallocx(sz_min, 0);
- assert_ptr_not_null((void *)s, "Unexpected mallocx() failure");
-
- for (sz = sallocx(s, 0); sz <= sz_max;
- sz_prev = sz, sz = sallocx(s, 0)) {
- if (sz_prev > 0) {
- assert_u_eq(s[0], 'a',
- "Previously allocated byte %zu/%zu is corrupted",
- ZU(0), sz_prev);
- assert_u_eq(s[sz_prev-1], 'a',
- "Previously allocated byte %zu/%zu is corrupted",
- sz_prev-1, sz_prev);
- }
-
- for (i = sz_prev; i < sz; i++) {
- if (opt_junk_alloc) {
- assert_u_eq(s[i], JEMALLOC_ALLOC_JUNK,
- "Newly allocated byte %zu/%zu isn't "
- "junk-filled", i, sz);
- }
- s[i] = 'a';
- }
-
- if (xallocx(s, sz+1, 0, 0) == sz) {
- watch_junking(s);
- s = (uint8_t *)rallocx(s, sz+1, 0);
- assert_ptr_not_null((void *)s,
- "Unexpected rallocx() failure");
- assert_true(!opt_junk_free || saw_junking,
- "Expected region of size %zu to be junk-filled",
- sz);
- }
- }
-
- watch_junking(s);
- dallocx(s, 0);
- assert_true(!opt_junk_free || saw_junking,
- "Expected region of size %zu to be junk-filled", sz);
-
- if (opt_junk_free) {
- arena_dalloc_junk_small = arena_dalloc_junk_small_orig;
- arena_dalloc_junk_large = arena_dalloc_junk_large_orig;
- huge_dalloc_junk = huge_dalloc_junk_orig;
- }
-}
-
-TEST_BEGIN(test_junk_small)
-{
-
- test_skip_if(!config_fill);
- test_junk(1, SMALL_MAXCLASS-1);
-}
-TEST_END
-
-TEST_BEGIN(test_junk_large)
-{
-
- test_skip_if(!config_fill);
- test_junk(SMALL_MAXCLASS+1, large_maxclass);
-}
-TEST_END
-
-TEST_BEGIN(test_junk_huge)
-{
-
- test_skip_if(!config_fill);
- test_junk(large_maxclass+1, chunksize*2);
-}
-TEST_END
-
-arena_ralloc_junk_large_t *arena_ralloc_junk_large_orig;
-static void *most_recently_trimmed;
-
-static size_t
-shrink_size(size_t size)
-{
- size_t shrink_size;
-
- for (shrink_size = size - 1; nallocx(shrink_size, 0) == size;
- shrink_size--)
- ; /* Do nothing. */
-
- return (shrink_size);
-}
-
-static void
-arena_ralloc_junk_large_intercept(void *ptr, size_t old_usize, size_t usize)
-{
-
- arena_ralloc_junk_large_orig(ptr, old_usize, usize);
- assert_zu_eq(old_usize, large_maxclass, "Unexpected old_usize");
- assert_zu_eq(usize, shrink_size(large_maxclass), "Unexpected usize");
- most_recently_trimmed = ptr;
-}
-
-TEST_BEGIN(test_junk_large_ralloc_shrink)
-{
- void *p1, *p2;
-
- p1 = mallocx(large_maxclass, 0);
- assert_ptr_not_null(p1, "Unexpected mallocx() failure");
-
- arena_ralloc_junk_large_orig = arena_ralloc_junk_large;
- arena_ralloc_junk_large = arena_ralloc_junk_large_intercept;
-
- p2 = rallocx(p1, shrink_size(large_maxclass), 0);
- assert_ptr_eq(p1, p2, "Unexpected move during shrink");
-
- arena_ralloc_junk_large = arena_ralloc_junk_large_orig;
-
- assert_ptr_eq(most_recently_trimmed, p1,
- "Expected trimmed portion of region to be junk-filled");
-}
-TEST_END
-
-static bool detected_redzone_corruption;
-
-static void
-arena_redzone_corruption_replacement(void *ptr, size_t usize, bool after,
- size_t offset, uint8_t byte)
-{
-
- detected_redzone_corruption = true;
-}
-
-TEST_BEGIN(test_junk_redzone)
-{
- char *s;
- arena_redzone_corruption_t *arena_redzone_corruption_orig;
-
- test_skip_if(!config_fill);
- test_skip_if(!opt_junk_alloc || !opt_junk_free);
-
- arena_redzone_corruption_orig = arena_redzone_corruption;
- arena_redzone_corruption = arena_redzone_corruption_replacement;
-
- /* Test underflow. */
- detected_redzone_corruption = false;
- s = (char *)mallocx(1, 0);
- assert_ptr_not_null((void *)s, "Unexpected mallocx() failure");
- s[-1] = 0xbb;
- dallocx(s, 0);
- assert_true(detected_redzone_corruption,
- "Did not detect redzone corruption");
-
- /* Test overflow. */
- detected_redzone_corruption = false;
- s = (char *)mallocx(1, 0);
- assert_ptr_not_null((void *)s, "Unexpected mallocx() failure");
- s[sallocx(s, 0)] = 0xbb;
- dallocx(s, 0);
- assert_true(detected_redzone_corruption,
- "Did not detect redzone corruption");
-
- arena_redzone_corruption = arena_redzone_corruption_orig;
-}
-TEST_END
-
-int
-main(void)
-{
-
- return (test(
- test_junk_small,
- test_junk_large,
- test_junk_huge,
- test_junk_large_ralloc_shrink,
- test_junk_redzone));
-}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-11 19:02:52 +0000