linux-kernel - Re: [PATCH] selftests: cgroup: Add 'malloc' failures checks in test

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Message-ID: <20230227170001.ka5eyfscvdypc2oc@google.com>
Date:   Mon, 27 Feb 2023 17:00:01 +0000
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Ivan Orlov <ivan.orlov0322@...il.com>
Cc:     hannes@...xchg.org, mhocko@...nel.org, roman.gushchin@...ux.dev,
        muchun.song@...ux.dev, tj@...nel.org, lizefan.x@...edance.com,
        shuah@...nel.org, cgroups@...r.kernel.org, linux-mm@...ck.org,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        skhan@...uxfoundation.org
Subject: Re: [PATCH] selftests: cgroup: Add 'malloc' failures checks in test_memcontrol

On Sun, Feb 26, 2023 at 04:16:33PM +0300, Ivan Orlov wrote:
> There are several 'malloc' calls in test_memcontrol, which can be
> unsuccessful. This patch will add 'malloc' failures checking to
> give more details about test's fail reasons and avoid possible
> undefined behavior during the future null dereference (like the
> one in alloc_anon_50M_check_swap function).
> 
> Signed-off-by: Ivan Orlov <ivan.orlov0322@...il.com>

Acked-by: Shakeel Butt <shakeelb@...gle.com>