linux-kernel - Re: [next] arm64: boot failed

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]

Message-ID: <CALvZod6ojDd8Bc0VcyFEk-ZrdkFezvQPUvbGg3wyzae+NOp_4A@mail.gmail.com>
Date:   Thu, 9 Jun 2022 10:47:35 -0700
From:   Shakeel Butt <shakeelb@...gle.com>
To:     Roman Gushchin <roman.gushchin@...ux.dev>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        regressions@...ts.linux.dev, lkft-triage@...ts.linaro.org,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        linux-mm <linux-mm@...ck.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Raghuram Thammiraju <raghuram.thammiraju@....com>,
        Mark Brown <broonie@...nel.org>, Will Deacon <will@...nel.org>,
        Vasily Averin <vvs@...nvz.org>,
        Qian Cai <quic_qiancai@...cinc.com>
Subject: Re: [next] arm64: boot failed - next-20220606

On Thu, Jun 9, 2022 at 10:27 AM Roman Gushchin <roman.gushchin@...ux.dev> wrote:
>
[...]
> +struct mem_cgroup *mem_cgroup_from_obj(void *p)
> +{
> +       struct folio *folio;
> +
> +       if (mem_cgroup_disabled())
> +               return NULL;
> +
> +       if (unlikely(is_vmalloc_addr(p)))
> +               folio = page_folio(vmalloc_to_page(p));

Do we need to check for NULL from vmalloc_to_page(p)?

> +       else
> +               folio = virt_to_folio(p);
> +
> +       return mem_cgroup_from_obj_folio(folio, p);
> +}