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

[Andrew Morton]

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?


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