pr_err("FAIL: func returned\n");
}
-void lkdtm_WRITE_RO(void)
+static void lkdtm_WRITE_RO(void)
{
/* Explicitly cast away "const" for the test and make volatile. */
volatile unsigned long *ptr = (unsigned long *)&rodata;
pr_err("FAIL: survived bad write\n");
}
-void lkdtm_WRITE_RO_AFTER_INIT(void)
+static void lkdtm_WRITE_RO_AFTER_INIT(void)
{
volatile unsigned long *ptr = &ro_after_init;
pr_err("FAIL: survived bad write\n");
}
-void lkdtm_WRITE_KERN(void)
+static void lkdtm_WRITE_KERN(void)
{
size_t size;
volatile unsigned char *ptr;
do_overwritten();
}
-void lkdtm_WRITE_OPD(void)
+static void lkdtm_WRITE_OPD(void)
{
size_t size = sizeof(func_desc_t);
void (*func)(void) = do_nothing;
func();
}
-void lkdtm_EXEC_DATA(void)
+static void lkdtm_EXEC_DATA(void)
{
execute_location(data_area, CODE_WRITE);
}
-void lkdtm_EXEC_STACK(void)
+static void lkdtm_EXEC_STACK(void)
{
u8 stack_area[EXEC_SIZE];
execute_location(stack_area, CODE_WRITE);
}
-void lkdtm_EXEC_KMALLOC(void)
+static void lkdtm_EXEC_KMALLOC(void)
{
u32 *kmalloc_area = kmalloc(EXEC_SIZE, GFP_KERNEL);
execute_location(kmalloc_area, CODE_WRITE);
kfree(kmalloc_area);
}
-void lkdtm_EXEC_VMALLOC(void)
+static void lkdtm_EXEC_VMALLOC(void)
{
u32 *vmalloc_area = vmalloc(EXEC_SIZE);
execute_location(vmalloc_area, CODE_WRITE);
vfree(vmalloc_area);
}
-void lkdtm_EXEC_RODATA(void)
+static void lkdtm_EXEC_RODATA(void)
{
execute_location(dereference_function_descriptor(lkdtm_rodata_do_nothing),
CODE_AS_IS);
}
-void lkdtm_EXEC_USERSPACE(void)
+static void lkdtm_EXEC_USERSPACE(void)
{
unsigned long user_addr;
vm_munmap(user_addr, PAGE_SIZE);
}
-void lkdtm_EXEC_NULL(void)
+static void lkdtm_EXEC_NULL(void)
{
execute_location(NULL, CODE_AS_IS);
}
-void lkdtm_ACCESS_USERSPACE(void)
+static void lkdtm_ACCESS_USERSPACE(void)
{
unsigned long user_addr, tmp = 0;
unsigned long *ptr;
vm_munmap(user_addr, PAGE_SIZE);
}
-void lkdtm_ACCESS_NULL(void)
+static void lkdtm_ACCESS_NULL(void)
{
unsigned long tmp;
volatile unsigned long *ptr = (unsigned long *)NULL;
/* Make sure we can write to __ro_after_init values during __init */
ro_after_init |= 0xAA;
}
+
+static struct crashtype crashtypes[] = {
+ CRASHTYPE(WRITE_RO),
+ CRASHTYPE(WRITE_RO_AFTER_INIT),
+ CRASHTYPE(WRITE_KERN),
+ CRASHTYPE(WRITE_OPD),
+ CRASHTYPE(EXEC_DATA),
+ CRASHTYPE(EXEC_STACK),
+ CRASHTYPE(EXEC_KMALLOC),
+ CRASHTYPE(EXEC_VMALLOC),
+ CRASHTYPE(EXEC_RODATA),
+ CRASHTYPE(EXEC_USERSPACE),
+ CRASHTYPE(EXEC_NULL),
+ CRASHTYPE(ACCESS_USERSPACE),
+ CRASHTYPE(ACCESS_NULL),
+};
+
+struct crashtype_category perms_crashtypes = {
+ .crashtypes = crashtypes,
+ .len = ARRAY_SIZE(crashtypes),
+};