linux-kernel - Re: [PATCH v2 1/3] mm: revert handling Non-LRU pages returned by follow

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 14 Aug 2022 18:30:39 +0200
From:   David Hildenbrand <david@...hat.com>
To:     Haiyue Wang <haiyue.wang@...el.com>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     akpm@...ux-foundation.org, linmiaohe@...wei.com,
        ying.huang@...el.com, songmuchun@...edance.com,
        naoya.horiguchi@...ux.dev, alex.sierra@....com
Subject: Re: [PATCH v2 1/3] mm: revert handling Non-LRU pages returned by
 follow_page

On 14.08.22 16:05, Haiyue Wang wrote:
> The commit
> 3218f8712d6b ("mm: handling Non-LRU pages returned by vm_normal_pages")
> doesn't handle the follow_page with flag FOLL_GET correctly, this will
> do get_page on page, it shouldn't just return directly without put_page.
> 
> So revert the related fix to prepare for clean patch to handle Non-LRU
> pages returned by follow_page.

What? Why?

Just fix it.

-- 
Thanks,

David / dhildenb