On 2019年08月19日 15:39, Dan Carpenter wrote:
On Mon, Aug 19, 2019 at 01:32:54PM +0800, Zhao, Yakui wrote:
In fact as this driver is mainly used for embedded IOT usage, it doesn't
handle the complex cleanup when such error is encountered. Instead the clean
up is handled in free_guest_vm.
A use
On Mon, Aug 19, 2019 at 10:39:58AM +0300, Dan Carpenter wrote:
> On Mon, Aug 19, 2019 at 01:32:54PM +0800, Zhao, Yakui wrote:
> > In fact as this driver is mainly used for embedded IOT usage, it doesn't
> > handle the complex cleanup when such error is encountered. Instead the clean
> > up is handl
On Mon, Aug 19, 2019 at 01:32:54PM +0800, Zhao, Yakui wrote:
> In fact as this driver is mainly used for embedded IOT usage, it doesn't
> handle the complex cleanup when such error is encountered. Instead the clean
> up is handled in free_guest_vm.
A use after free here seems like a potential secu
On 2019年08月16日 20:58, Dan Carpenter wrote:
On Fri, Aug 16, 2019 at 10:25:49AM +0800, Zhao Yakui wrote:
+int hugepage_map_guest(struct acrn_vm *vm, struct vm_memmap *memmap)
+{
+ struct page *page = NULL, *regions_buf_pg = NULL;
+ unsigned long len, guest_gpa, vma;
+ struct vm
On Fri, Aug 16, 2019 at 10:25:49AM +0800, Zhao Yakui wrote:
> +int hugepage_map_guest(struct acrn_vm *vm, struct vm_memmap *memmap)
> +{
> + struct page *page = NULL, *regions_buf_pg = NULL;
> + unsigned long len, guest_gpa, vma;
> + struct vm_memory_region *region_array;
> + struct