linux-hardening - Re: Fwd: Waking up from resume locks up on sr device

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Date:   Sat, 10 Jun 2023 10:55:10 +0200
From:   Pavel Machek <pavel@....cz>
To:     Bagas Sanjaya <bagasdotme@...il.com>
Cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <len.brown@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kees Cook <keescook@...omium.org>,
        Tony Luck <tony.luck@...el.com>,
        "Guilherme G. Piccoli" <gpiccoli@...lia.com>,
        Thorsten Leemhuis <linux@...mhuis.info>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Phillip Potter <phil@...lpotter.co.uk>,
        Joe Breuer <linux-kernel@...reuer.net>,
        Linux Power Management <linux-pm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Hardening <linux-hardening@...r.kernel.org>,
        Linux Regressions <regressions@...ts.linux.dev>,
        Linux SCSI <linux-scsi@...r.kernel.org>, bvanassche@....org,
        Alan Stern <stern@...land.harvard.edu>,
        Dan Williams <dan.j.williams@...el.com>,
        Hannes Reinecke <hare@...e.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Martin Kepplinger <martin.kepplinger@...i.sm>
Subject: Re: Fwd: Waking up from resume locks up on sr device

Hi!


> > #regzbot introduced: v5.0..v6.4-rc5 https://bugzilla.kernel.org/show_bug.cgi?id=217530
> > #regzbot title: Waking up from resume locks up on SCSI CD/DVD drive
> > 
> 
> The reporter had found the culprit (via bisection), so:
> 
> #regzbot introduced: a19a93e4c6a98c

Maybe cc the authors of that commit?

commit a19a93e4c6a98c9c0f2f5a6db76846f10d7d1f85
Author: Bart Van Assche <bvanassche@....org>
Date:   Wed Oct 6 14:54:51 2021 -0700

    scsi: core: pm: Rely on the device driver core for async power management
    
    Instead of implementing asynchronous resume support in the SCSI core, rely
    on the device driver core for resuming SCSI devices asynchronously.
    Instead of only supporting asynchronous resumes, also support asynchronous
    suspends.
    
    Link: https://lore.kernel.org/r/20211006215453.3318929-2-bvanassche@acm.org
    Cc: Alan Stern <stern@...land.harvard.edu>
    Cc: Dan Williams <dan.j.williams@...el.com>
    Cc: Hannes Reinecke <hare@...e.com>
    Cc: Adrian Hunter <adrian.hunter@...el.com>
    Cc: Martin Kepplinger <martin.kepplinger@...i.sm>
    Signed-off-by: Bart Van Assche <bvanassche@....org>
    Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>

BR,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.

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