linux-kernel - Re: [PATCH v4 2/7] OPP: Move refcount and key update for readability in _opp_table_find

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: <7d80f1e1-df18-4e20-abee-1286a764a226@kernel.org>
Date: Tue, 26 Aug 2025 13:25:51 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Marek Szyprowski <m.szyprowski@...sung.com>,
 Krishna Chaitanya Chundru <krishna.chundru@....qualcomm.com>,
 Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
 Stephen Boyd <sboyd@...nel.org>, "Rafael J. Wysocki" <rafael@...nel.org>,
 Manivannan Sadhasivam <mani@...nel.org>,
 Lorenzo Pieralisi <lpieralisi@...nel.org>,
 Krzysztof Wilczyński <kwilczynski@...nel.org>,
 Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-pci@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 devicetree@...r.kernel.org
Subject: Re: [PATCH v4 2/7] OPP: Move refcount and key update for readability
 in _opp_table_find_key()

On 25/08/2025 15:59, Marek Szyprowski wrote:
> Register r10 information: non-slab/vmalloc memory
> Register r11 information: non-slab/vmalloc memory
> Register r12 information: slab kmalloc-128 start cfb0e900 pointer offset 
> 76 size 128
> Process kworker/u34:1 (pid: 68, stack limit = 0x050eb3d7)
> Stack: (0xf0a89de0 to 0xf0a8a000)
> ..
> Call trace:
>   _opp_compare_key from _set_opp+0x78/0x50c
>   _set_opp from dev_pm_opp_set_rate+0x15c/0x21c
>   dev_pm_opp_set_rate from panfrost_devfreq_target+0x2c/0x3c
>   panfrost_devfreq_target from devfreq_set_target+0x8c/0x2e8
>   devfreq_set_target from devfreq_update_target+0x9c/0xf8
>   devfreq_update_target from devfreq_monitor+0x28/0x1a4
>   devfreq_monitor from process_one_work+0x24c/0x70c
>   process_one_work from worker_thread+0x1b8/0x3bc
>   worker_thread from kthread+0x13c/0x264
>   kthread from ret_from_fork+0x14/0x28
> Exception stack(0xf0a89fb0 to 0xf0a89ff8)

I also saw this on today's next:

https://krzk.eu/#/builders/21/builds/6690/steps/13/logs/serial0

Best regards,
Krzysztof