Make use of struct_size() helper instead of an open-coded calucation.
Link: https://github.com/KSPP/linux/issues/160
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Paul Moore <paul@paul-moore.com>
if (err)
return err;
}
- sig_data = kmalloc(sizeof(*sig_data) + len, GFP_KERNEL);
+ sig_data = kmalloc(struct_size(sig_data, ctx, len), GFP_KERNEL);
if (!sig_data) {
if (audit_sig_sid)
security_release_secctx(ctx, len);
{
struct audit_tree *tree;
- tree = kmalloc(sizeof(struct audit_tree) + strlen(s) + 1, GFP_KERNEL);
+ tree = kmalloc(struct_size(tree, pathname, strlen(s) + 1), GFP_KERNEL);
if (tree) {
refcount_set(&tree->count, 1);
tree->goner = 0;
void *bufp;
int i;
- data = kmalloc(sizeof(*data) + krule->buflen, GFP_KERNEL);
+ data = kmalloc(struct_size(data, buf, krule->buflen), GFP_KERNEL);
if (unlikely(!data))
return NULL;
memset(data, 0, sizeof(*data));