linux-kernel - Re: [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server

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]

Date:   Fri, 28 Aug 2020 15:52:49 +0300
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Amit Pundir <amit.pundir@...aro.org>
Cc:     Govind Singh <govinds@...eaurora.org>,
        Rakesh Pillai <pillair@....qualcomm.com>,
        Brian Norris <briannorris@...omium.org>,
        lkml <linux-kernel@...r.kernel.org>,
        ath10k <ath10k@...ts.infradead.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        John Stultz <john.stultz@...aro.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Niklas Cassel <niklas.cassel@...aro.org>
Subject: Re: [PATCH] wireless: ath10k: Return early in ath10k_qmi_event_server_exit() to avoid hard crash on reboot

Amit Pundir <amit.pundir@...aro.org> writes:

> On Mon, 8 Jun 2020 at 17:07, Kalle Valo <kvalo@...eaurora.org> wrote:
>> > I don't agree with this. If you read through the replies to the bug report,
>> > it is clear that NS migration uncovered a corner case or even a bug. So we
>> > should try to fix that indeed.
>>
>> I'm with Mani, we should try to fix ath10k instead. Hopefully we can
>> find a fix soon.
>
> Hi Team,
>
> Any updates on this? I can reproduce this hard crash on v5.9-rc1 as well.
>
> It is not a blocker for us because we switched to a userspace
> workaround, where we do not wait for modem to shutdown gracefully and
> SIGKILL it instead, during the shutdown/reboot process. But I'm happy
> to take a swing at any intermediate/in-progress solution available.

Govind submitted this patch and later he asked to drop it, but I think
it would be a good idea to test it anyway:

ath10k: Move msa region map/unmap to init/deinit path

https://lkml.kernel.org/r/1591191231-31917-1-git-send-email-govinds@codeaurora.org

(patchwork is down so I cannot give a patchwork link)

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches