#include <linux/fs.h>
#include <linux/sysfs.h>
#include <linux/kernel.h>
+#include <linux/kernel_read_file.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/elf.h>
if (info->len < sizeof(*(info->hdr)))
return -ENOEXEC;
- err = security_kernel_load_data(LOADING_MODULE);
+ err = security_kernel_load_data(LOADING_MODULE, true);
if (err)
return err;
return -ENOMEM;
if (copy_chunked_from_user(info->hdr, umod, info->len) != 0) {
- vfree(info->hdr);
- return -EFAULT;
+ err = -EFAULT;
+ goto out;
}
- return 0;
+ err = security_kernel_post_load_data((char *)info->hdr, info->len,
+ LOADING_MODULE, "init_module");
+out:
+ if (err)
+ vfree(info->hdr);
+
+ return err;
}
static void free_copy(struct load_info *info)
SYSCALL_DEFINE3(finit_module, int, fd, const char __user *, uargs, int, flags)
{
struct load_info info = { };
- loff_t size;
- void *hdr;
+ void *hdr = NULL;
int err;
err = may_init_module();
|MODULE_INIT_IGNORE_VERMAGIC))
return -EINVAL;
- err = kernel_read_file_from_fd(fd, &hdr, &size, INT_MAX,
+ err = kernel_read_file_from_fd(fd, 0, &hdr, INT_MAX, NULL,
READING_MODULE);
- if (err)
+ if (err < 0)
return err;
info.hdr = hdr;
- info.len = size;
+ info.len = err;
return load_module(&info, uargs, flags);
}