Re: [PATCH] kunit/overflow: Fix UB in overflow_allocation_test

[Ivan Orlov]

On 8/16/24 00:01, Andrew Morton wrote:
> On Thu, 15 Aug 2024 01:04:31 +0100 Ivan Orlov <ivan.orlov0322@xxxxxxxxx> wrote:
>
> > The 'device_name' array doesn't exist out of the
> > 'overflow_allocation_test' function scope. However, it is being used as
> > a driver name when calling 'kunit_driver_create' from
> > 'kunit_device_register'. It produces the kernel panic with KASAN
> > enabled.
> >
> > Since this variable is used in one place only, remove it and pass the
> > device name into kunit_device_register directly as an ascii string.
>
> Fixes: ca90800a91ba ("test_overflow: Add memory allocation overflow tests")
> Cc: <stable@xxxxxxxxxxxxxxx>
>
> yes?

Ah, yes, sorry, I should've specified the fixes tag in the patch :(

> I'll grab it now, but perhaps Kees will handle this.

Thanks!

--
Kind regards,
Ivan Orlov