Re: [PATCH] uprobes: use kzalloc to allocate xol area

[Peter Zijlstra]

On Tue, Sep 03, 2024 at 02:46:07PM +0200, Oleg Nesterov wrote:
> On 09/03, Sven Schnelle wrote:
> >
> > To prevent unitialized members, use kzalloc to allocate
> > the xol area.
> >
> > Signed-off-by: Sven Schnelle <svens@xxxxxxxxxxxxx>
> 
> Acked-by: Oleg Nesterov <oleg@xxxxxxxxxx>
> 
> and since this looks easily exploitable, I'd sugest
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: b059a453b1cf1 ("x86/vdso: Add mremap hook to vm_special_mapping")

Thanks, will queue in perf/urgent