Re: [PATCH mm] mm: hugetlb: Add checks for NULL for vma returned from find_vma. find_vma may return NULL, that's why its return value is usually checked for NULL.

[Екатерина Есина <eesina@xxxxxxxxxxxxx>]

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From: David <david@xxxxxxxxxx>
To: Esina <eesina@xxxxxxxxxxxxx>; Mike <mike.kravetz@xxxxxxxxxx>
Cc: Andrew <akpm@xxxxxxxxxxxxxxxxxxxx>; linux-mm <linux-mm@xxxxxxxxx>; linux-kernel <linux-kernel@xxxxxxxxxxxxxxx>; lvc-project <lvc-project@xxxxxxxxxxxxxxxx>
Date: Monday, 16 January 2023 4:24 PM MSK
Subject: Re: [PATCH mm] mm: hugetlb: Add checks for NULL for vma returned from find_vma. find_vma may return NULL, that's why its return value is usually checked for NULL.

On 16.01.23 11:05, Esina Ekaterina wrote:
> Found by Astra Linux on behalf of Linux Verification Center
> (linuxtesting.org) with SVACE.

Please trim the subject and move details to the description.

What are the symptoms? How exactly does this BUG manifest? What is this
patch fixing?


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Thanks,

David / dhildenb