From: Greg Kroah-Hartman <firstname.lastname@example.org>
To: Thorsten Leemhuis <email@example.com>
Cc: Heikki Krogerus <firstname.lastname@example.org>,
Chris Hixon <email@example.com>
Subject: Re: [PATCH v2] usb: typec: ucsi: Only check the contract if there is a connection
Date: Tue, 21 Dec 2021 16:03:51 +0100 [thread overview]
Message-ID: <YcHs11T7q//4FrWo@kroah.com> (raw)
On Tue, Dec 21, 2021 at 03:39:04PM +0100, Thorsten Leemhuis wrote:
> On 21.12.21 15:03, Heikki Krogerus wrote:
> > The driver must make sure there is an actual connection
> > before checking details about the USB Power Delivery
> > contract. Those details are not valid unless there is a
> > connection.
> > This fixes NULL pointer dereference that is caused by an
> > attempt to register bogus partner alternate mode that the
> > firmware on some platform may report before the actual
> > connection.
> > Reported-by: Chris Hixon <firstname.lastname@example.org>
> > Fixes: 6cbe4b2d5a3f ("usb: typec: ucsi: Check the partner alt modes always if there is PD contract")
> > Link: https://bugzilla.kernel.org/show_bug.cgi?id=215117
> > Signed-off-by: Heikki Krogerus <email@example.com>
> > ---
> > Hi,
> > Instead of using the "BugLink" tag, I'm now using "Link" tag with the
> > link to the bug as requested.
> > There was a request to have also another Link tag pointing to some
> > other discussion on the mailing list, but I failed to understand what
> > was the point with that - I also didn't find any commits where
> > something like that had been used before.
> There are quite a few commits that use more that two "Link" tags, as
> they should point to "related discussions or any other background
> information behind the change" that "can be found on the web" (Quotes
> from Documentation/process/submitting-patches.rst) -- hence there is no
> limit. That being said:
> > I may be mistaken here, but I got the impression that you create the
> > mailing list discussion
> You are mistaken: I created it because the bugzilla ticket was ignored
> in bugzilla for weeks and might have forgotten otherwise -- no wonder,
> was bugzilla.kernel.org is not the official place to report USB bugs
> according to the MAINTAINERS file.
> > just so you can have the extra Link tag
> > pointing to it, and that Link tag you want only because you have made
> > your scripts rely on it.
> They rely on it as almost all subsystems expect bug to be reported by
> mail, as they are instructed by
> > The extra email thread in any case does not seem to contain any real
> > additional information that the bug report does not have, so the extra
> > Link tag pointing to it does not provide any real value on top of the
> > link to bug itself.
> In this case that's true, as I have to tell regzbot about the fix then
> manually (the plan it to make regzbot also detect links to
> bugzilla.kernel.org, but I fear I have no time to work on that in the
> next few weeks :-/ ). But in similar cases it's different, as there the
> developers continued discussing the issue by mail -- then it's
> definitely worth linking there as well.
So for this case, what type of tag should I add here to get rezbot to
manually pick this up?
next prev parent reply other threads:[~2021-12-21 15:03 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-21 14:03 [PATCH v2] usb: typec: ucsi: Only check the contract if there is a connection Heikki Krogerus
2021-12-21 14:39 ` Thorsten Leemhuis
2021-12-21 15:03 ` Greg Kroah-Hartman [this message]
2021-12-21 15:24 ` Thorsten Leemhuis
2021-12-21 15:46 ` Greg Kroah-Hartman
2021-12-21 16:30 ` Heikki Krogerus
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