linux-kernel - Re: [PATCH v2] of/irq: Make sure to update out_irq->np to the new parent in of_irq_parse

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] [day] [month] [year] [list]

Message-ID: <bc8e26604c189e737c92cb7d43ec1681.squirrel@_>
Date: Fri, 2 Aug 2024 11:45:42 -0000
From: "WHR" <whr@...oreo.one>
To: "Rob Herring" <robh@...nel.org>
Cc: "Saravana Kannan" <saravanak@...gle.com>,
 devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] of/irq: Make sure to update out_irq->np to the new
 parent in of_irq_parse_raw

> On Wed, Jul 31, 2024 at 10:22 PM WHR <whr@...oreo.one> wrote:
>>
>> > On Mon, Jul 29, 2024 at 11:54 PM WHR <whr@...oreo.one> wrote:
>> >>
>> >> Commit 935df1bd40d43c4ee91838c42a20e9af751885cc has removed an
>> >> assignment statement for 'out_irq->np' right after label 'skiplevel',
>> >> causing the new parent acquired from function of_irq_find_parent didn't
>> >> being stored to 'out_irq->np' as it supposed to. Under some conditions
>> >> this can resuit in multiple corruptions and leakages to device nodes.
>> >
>> > Under what conditions? Please provide a specific platform and DT.
>>
>> I have a previous email sent to you before I came up with the fix. The
>> kernel
>> log for debugging and the device tree blob are attached again.
> 
> Thanks. The patch needs to stand on its own with this detail, not
> require that I've read (and remember) some other email among the
> 1000s.

For referencing the mentioned email in mailing list archive:
https://lore.kernel.org/linux-devicetree/a373cf98c2d35f2bd828261f078471a5.squirrel@_/