perf test: Fix bpf test sample mismatch reporting

[linux-2.6-microblaze.git] / lib / test_kasan_module.c

diff --git a/lib/test_kasan_module.c b/lib/test_kasan_module.c
index f1017f3..7ebf433 100644 (file)
--- a/lib/test_kasan_module.c
+++ b/lib/test_kasan_module.c
@@ -15,13 +15,11 @@
 
 #include "../mm/kasan/kasan.h"
 
-#define OOB_TAG_OFF (IS_ENABLED(CONFIG_KASAN_GENERIC) ? 0 : KASAN_GRANULE_SIZE)
-
 static noinline void __init copy_user_test(void)
 {
        char *kmem;
        char __user *usermem;
-       size_t size = 10;
+       size_t size = 128 - KASAN_GRANULE_SIZE;
        int __maybe_unused unused;
 
        kmem = kmalloc(size, GFP_KERNEL);
@@ -38,25 +36,25 @@ static noinline void __init copy_user_test(void)
        }
 
        pr_info("out-of-bounds in copy_from_user()\n");
-       unused = copy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF);
+       unused = copy_from_user(kmem, usermem, size + 1);
 
        pr_info("out-of-bounds in copy_to_user()\n");
-       unused = copy_to_user(usermem, kmem, size + 1 + OOB_TAG_OFF);
+       unused = copy_to_user(usermem, kmem, size + 1);
 
        pr_info("out-of-bounds in __copy_from_user()\n");
-       unused = __copy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF);
+       unused = __copy_from_user(kmem, usermem, size + 1);
 
        pr_info("out-of-bounds in __copy_to_user()\n");
-       unused = __copy_to_user(usermem, kmem, size + 1 + OOB_TAG_OFF);
+       unused = __copy_to_user(usermem, kmem, size + 1);
 
        pr_info("out-of-bounds in __copy_from_user_inatomic()\n");
-       unused = __copy_from_user_inatomic(kmem, usermem, size + 1 + OOB_TAG_OFF);
+       unused = __copy_from_user_inatomic(kmem, usermem, size + 1);
 
        pr_info("out-of-bounds in __copy_to_user_inatomic()\n");
-       unused = __copy_to_user_inatomic(usermem, kmem, size + 1 + OOB_TAG_OFF);
+       unused = __copy_to_user_inatomic(usermem, kmem, size + 1);
 
        pr_info("out-of-bounds in strncpy_from_user()\n");
-       unused = strncpy_from_user(kmem, usermem, size + 1 + OOB_TAG_OFF);
+       unused = strncpy_from_user(kmem, usermem, size + 1);
 
        vm_munmap((unsigned long)usermem, PAGE_SIZE);
        kfree(kmem);
@@ -73,7 +71,7 @@ static noinline void __init kasan_rcu_reclaim(struct rcu_head *rp)
                                                struct kasan_rcu_info, rcu);
 
        kfree(fp);
-       fp->i = 1;
+       ((volatile struct kasan_rcu_info *)fp)->i;
 }
 
 static noinline void __init kasan_rcu_uaf(void)