linux-kernel - Re: tps65219/am62p kernel oops

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: <20250429185240.6a7644bf@akair>
Date: Tue, 29 Apr 2025 18:52:40 +0200
From: Andreas Kemnade <andreas@...nade.info>
To: Francesco Dolcini <francesco@...cini.it>
Cc: Jerome Neanne <jneanne@...libre.com>, Shree Ramamoorthy
 <s-ramamoorthy@...com>, Mark Brown <broonie@...nel.org>, Nishanth Menon
 <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, Tero Kristo
 <kristo@...nel.org>, Aaro Koskinen <aaro.koskinen@....fi>, Kevin Hilman
 <khilman@...libre.com>, Roger Quadros <rogerq@...nel.org>, Tony Lindgren
 <tony@...mide.com>, Liam Girdwood <lgirdwood@...il.com>,
 linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org
Subject: Re: tps65219/am62p kernel oops

Am Tue, 29 Apr 2025 15:21:19 +0200
schrieb Francesco Dolcini <francesco@...cini.it>:

> Hello all,
> while working on adding support in mainline for a new board based on TI
> AM62P SoC I noticed the following Kernel Oops.
> 
> This oops was reproduced running current Linux
> master, 6.15.0-rc4+, ca91b9500108d4cf083a635c2e11c884d5dd20ea, but I was able
> to reproduce the same with 6.14.4.
> 

[...]
> [  +0.000022] Call trace:
> [  +0.000011]  regulator_notifier_call_chain+0x20/0xa4 (P)
> [  +0.000018]  tps65219_regulator_irq_handler+0x34/0x80

wild guessing: maybe because irqdata->rdev is not initalized in
_probe()? At least I do not see where it would be initialized.

Regards,
Andreas