memcpy_overflow failed fortify source attempt

This commit is contained in:
Ciro Santilli
2018-07-06 11:24:02 +01:00
parent 5d9418b276
commit 9c62b82036
2 changed files with 27 additions and 2 deletions

View File

@@ -0,0 +1,21 @@
/* https://github.com/cirosantilli/linux-kernel-module-cheat#config_fortify_source */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/slab.h>
static int myinit(void)
{
void *dst, *src;
dst = kmalloc(0x10, GFP_KERNEL);
src = kmalloc(0x1000000, GFP_KERNEL);
memcpy(dst, src, 0x1000000);
return 0;
}
static void myexit(void) {}
module_init(myinit)
module_exit(myexit)
MODULE_LICENSE("GPL");