Re: [PATCH v9] module: replace module_layout with module_memory

[Thomas Gleixner]

On Mon, Feb 06 2023 at 23:27, Song Liu wrote:
>> On Feb 6, 2023, at 1:45 PM, Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>>> +static void free_mod_mem(struct module *mod)
>>> +{
>>> + /* free the memory in the right order to avoid use-after-free */
>> 
>> How do we end up with a UAF when the ordering is different?
>
> IIUC, we need remove MOD_DATA at last, which hosts "mod".

Oh. Please add a comment to that effect.

Thanks,

        tglx