diff --git a/test/simple-memory-corruption/double_free_large.c b/test/simple-memory-corruption/double_free_large.c
index 0c7412b..3802af0 100644
--- a/test/simple-memory-corruption/double_free_large.c
+++ b/test/simple-memory-corruption/double_free_large.c
@@ -3,7 +3,7 @@
 #include "../test_util.h"
 
 OPTNONE int main(void) {
-    void *p = malloc(128 * 1024);
+    void *p = malloc(256 * 1024);
     if (!p) {
         return 1;
     }
diff --git a/test/simple-memory-corruption/double_free_large_delayed.c b/test/simple-memory-corruption/double_free_large_delayed.c
index f367590..ef0d4b8 100644
--- a/test/simple-memory-corruption/double_free_large_delayed.c
+++ b/test/simple-memory-corruption/double_free_large_delayed.c
@@ -3,11 +3,11 @@
 #include "../test_util.h"
 
 OPTNONE int main(void) {
-    void *p = malloc(128 * 1024);
+    void *p = malloc(256 * 1024);
     if (!p) {
         return 1;
     }
-    void *q = malloc(128 * 1024);
+    void *q = malloc(256 * 1024);
     if (!q) {
         return 1;
     }
diff --git a/test/simple-memory-corruption/read_after_free_large.c b/test/simple-memory-corruption/read_after_free_large.c
index 0301e14..cec3e9b 100644
--- a/test/simple-memory-corruption/read_after_free_large.c
+++ b/test/simple-memory-corruption/read_after_free_large.c
@@ -5,13 +5,13 @@
 #include "../test_util.h"
 
 OPTNONE int main(void) {
-    char *p = malloc(128 * 1024);
+    char *p = malloc(256 * 1024);
     if (!p) {
         return 1;
     }
     memset(p, 'a', 16);
     free(p);
-    for (size_t i = 0; i < 128 * 1024; i++) {
+    for (size_t i = 0; i < 256 * 1024; i++) {
         printf("%x\n", p[i]);
         if (p[i] != '\0') {
             return 1;
diff --git a/test/simple-memory-corruption/unaligned_free_large.c b/test/simple-memory-corruption/unaligned_free_large.c
index 10c7874..73c469b 100644
--- a/test/simple-memory-corruption/unaligned_free_large.c
+++ b/test/simple-memory-corruption/unaligned_free_large.c
@@ -3,7 +3,7 @@
 #include "../test_util.h"
 
 OPTNONE int main(void) {
-    char *p = malloc(128 * 1024);
+    char *p = malloc(256 * 1024);
     if (!p) {
         return 1;
     }
diff --git a/test/simple-memory-corruption/uninitialized_read_large.c b/test/simple-memory-corruption/uninitialized_read_large.c
index 05e58fc..57fa3ec 100644
--- a/test/simple-memory-corruption/uninitialized_read_large.c
+++ b/test/simple-memory-corruption/uninitialized_read_large.c
@@ -3,7 +3,7 @@
 #include "../test_util.h"
 
 OPTNONE int main(void) {
-    char *p = malloc(128 * 1024);
+    char *p = malloc(256 * 1024);
     for (unsigned i = 0; i < 8; i++) {
         if (p[i] != 0) {
             return 1;
diff --git a/test/simple-memory-corruption/write_after_free_large.c b/test/simple-memory-corruption/write_after_free_large.c
index d46cc0d..1ff446e 100644
--- a/test/simple-memory-corruption/write_after_free_large.c
+++ b/test/simple-memory-corruption/write_after_free_large.c
@@ -4,7 +4,7 @@
 #include "../test_util.h"
 
 OPTNONE int main(void) {
-    char *p = malloc(128 * 1024);
+    char *p = malloc(256 * 1024);
     if (!p) {
         return 1;
     }
diff --git a/test/simple-memory-corruption/write_after_free_large_reuse.c b/test/simple-memory-corruption/write_after_free_large_reuse.c
index 3af225e..e558298 100644
--- a/test/simple-memory-corruption/write_after_free_large_reuse.c
+++ b/test/simple-memory-corruption/write_after_free_large_reuse.c
@@ -4,12 +4,12 @@
 #include "../test_util.h"
 
 OPTNONE int main(void) {
-    char *p = malloc(128 * 1024);
+    char *p = malloc(256 * 1024);
     if (!p) {
         return 1;
     }
     free(p);
-    char *q = malloc(128 * 1024);
+    char *q = malloc(256 * 1024);
     p[64 * 1024 + 1] = 'a';
     return 0;
 }