linux-kernel - Re: [REGRESSION] firmware: qcom: scm: smc: switch to using the SCM allocator

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: <CACMJSes4cnCNUHiZUr4CF-K2c8-1VYzuh=T8JDi_erqfShkuZA@mail.gmail.com>
Date: Fri, 6 Sep 2024 13:33:15 +0200
From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
To: Rudraksha Gupta <guptarud@...il.com>
Cc: regressions@...ts.linux.dev, brgl@...ev.pl, andersson@...nel.org, 
	konrad.dybcio@...aro.org, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, robimarko@...il.com, quic_gurus@...cinc.com, 
	luzmaximilian@...il.com, catalin.marinas@....com, will@...nel.org, 
	srinivas.kandagatla@...aro.org, arnd@...db.de, quic_eberman@...cinc.com, 
	elder@...nel.org, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	kernel@...cinc.com, ahalaney@...hat.com, quic_djaggi@...cinc.com
Subject: Re: [REGRESSION] firmware: qcom: scm: smc: switch to using the SCM allocator

On Sun, 25 Aug 2024 at 08:51, Rudraksha Gupta <guptarud@...il.com> wrote:
>
> Hello all,
>
>
> Found a regression with a platform that has the msm8960 SoC. Was hoping
> to code up a fix myself, but I'm not adept in ARM architecture or the
> Linux kernel, so I'm just reporting it here. Reverting this commit seems
> to fix it as well. Please let me know if there is anything else I should
> provide for this regression report.
>
> #regzbot introduced 449d0d84bcd8246b508d07995326d13c54488b8c
>
> Error: https://pastebin.com/SDRENUGk
>
> Defconfig: https://pastebin.com/CRDjC39a
>

Looks like qcom_scm_get_tzmem_pool() returns NULL. Not sure how this
happens. Can you confirm that the QCom SCM driver probed correctly?

Bart

> Platform:
> https://wiki.postmarketos.org/wiki/Samsung_Galaxy_Express_SGH-I437_(samsung-expressatt)
>
>
> Thanks,
> Rudraksha
>