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From: Andrew Morton <akpm@linux-foundation.org>
To: Ivan Orlov <ivan.orlov0322@gmail.com>
Cc: kees@kernel.org, davidgow@google.com, kunit-dev@googlegroups.com,
	linux-kernel@vger.kernel.org, erhard_f@mailbox.org
Subject: Re: [PATCH] kunit/overflow: Fix UB in overflow_allocation_test
Date: Thu, 15 Aug 2024 16:01:48 -0700	[thread overview]
Message-ID: <20240815160148.be83228a7804c6389393429a@linux-foundation.org> (raw)
In-Reply-To: <20240815000431.401869-1-ivan.orlov0322@gmail.com>

On Thu, 15 Aug 2024 01:04:31 +0100 Ivan Orlov <ivan.orlov0322@gmail.com> 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@vger.kernel.org>

yes?


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


  parent reply	other threads:[~2024-08-15 23:01 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-08-15  0:04 Ivan Orlov
2024-08-15  6:30 ` Erhard Furtner
2024-08-15  6:39 ` David Gow
2024-08-15 16:28 ` Kees Cook
2024-08-15 23:01 ` Andrew Morton [this message]
2024-08-16  1:22   ` Ivan Orlov
2024-08-16  3:36   ` Kees Cook
2024-08-15 23:04 ` Andrew Morton
2024-08-16  1:27   ` Ivan Orlov

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