On Tue, 20 Sep 2022 19:36:42 +0200, Christophe Leroy wrote:
> In addition to checking whether a page is reserved before allocating
> it to highmem, verify that it is valid memory.
>
> Otherwise the kernel Oopses as below:
>
> [0.00] mem auto-init: stack:off, heap alloc:off, heap free:off
On Tuesday 20 September 2022 19:36:42 Christophe Leroy wrote:
> In addition to checking whether a page is reserved before allocating
> it to highmem, verify that it is valid memory.
>
> Otherwise the kernel Oopses as below:
>
> [0.00] mem auto-init: stack:off, heap alloc:off, heap free:of
In addition to checking whether a page is reserved before allocating
it to highmem, verify that it is valid memory.
Otherwise the kernel Oopses as below:
[0.00] mem auto-init: stack:off, heap alloc:off, heap free:off
[0.00] Kernel attempted to read user page (7df58) - exploit atte