linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Greg KH <gregkh@linuxfoundation.org>
To: Siddh Raman Pant <code@siddh.me>
Cc: Dipanjan Das <mail.dipanjan.das@gmail.com>,
	syzbot+c70d87ac1d001f29a058 
	<syzbot+c70d87ac1d001f29a058@syzkaller.appspotmail.com>,
	linux-kernel-mentees 
	<linux-kernel-mentees@lists.linuxfoundation.org>,
	linux-security-modules <linux-security-module@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	David Howells <dhowells@redhat.com>,
	Eric Dumazet <edumazet@google.com>,
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
	"Fabio M. De Francesco" <fmdefrancesco@gmail.com>
Subject: Re: [PATCH v3] kernel/watch_queue: Make pipe NULL while clearing watch_queue
Date: Mon, 1 Aug 2022 12:24:03 +0200	[thread overview]
Message-ID: <Yuepw21SyLbWt9F+@kroah.com> (raw)
In-Reply-To: <18258c1d370.6c4bec7a269297.4170944235031209431@siddh.me>

A: http://en.wikipedia.org/wiki/Top_post
Q: Were do I find info about this thing called top-posting?
A: Because it messes up the order in which people normally read text.
Q: Why is top-posting such a bad thing?
A: Top-posting.
Q: What is the most annoying thing in e-mail?

A: No.
Q: Should I include quotations after my reply?

http://daringfireball.net/2007/07/on_top

On Mon, Aug 01, 2022 at 03:04:33PM +0530, Siddh Raman Pant via Linux-kernel-mentees wrote:
> Hello Dipanjan,
> 
> It would be nice if you could test this patch and tell if it fixes the
> issue on v5.10, as you had reported it earlier.
> 
> Please apply the following commits before applying this patch:
> db8facfc9faf ("watch_queue, pipe: Free watchqueue state after clearing pipe ring")
> 353f7988dd84 ("watchqueue: make sure to serialize 'wqueue->defunct' properly")
> 
> I have tested locally on tag v5.10, using the reproducer available on
> syzkaller dashboard. The crash occurred when the patches weren't applied,
> and it no longer occurs after applying the three patches.

Trying anything on tag v5.10 is not a good test as that kernel is very
old and obsolete and over 15000 changes behind what the latest 5.10.y
kernel release has in it.

So trying it on v5.10.134 would be best.

thanks,

greg k-h

  reply	other threads:[~2022-08-01 10:24 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-28 15:51 [PATCH v3] kernel/watch_queue: Make pipe NULL while clearing watch_queue Siddh Raman Pant
2022-08-01  9:34 ` Siddh Raman Pant
2022-08-01 10:24   ` Greg KH [this message]
2022-08-01 12:58     ` Siddh Raman Pant
2022-08-01 13:00       ` Siddh Raman Pant
2022-08-01 16:16         ` Dipanjan Das
2022-08-01 18:49           ` Siddh Raman Pant
2022-08-03  1:16             ` Eric Biggers
2022-08-03  3:58               ` Siddh Raman Pant
2022-08-03  4:10             ` Dipanjan Das
2022-08-03  1:08 ` Eric Biggers
2022-08-03  3:56   ` Siddh Raman Pant
2022-08-03  4:12     ` Eric Biggers
2022-08-03  5:13       ` Siddh Raman Pant
2022-08-03  5:41         ` Eric Biggers
2022-08-03  8:40           ` Siddh Raman Pant
2022-08-03 18:15             ` Eric Biggers
2022-08-04  8:39               ` Siddh Raman Pant

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=Yuepw21SyLbWt9F+@kroah.com \
    --to=gregkh@linuxfoundation.org \
    --cc=christophe.jaillet@wanadoo.fr \
    --cc=code@siddh.me \
    --cc=dhowells@redhat.com \
    --cc=edumazet@google.com \
    --cc=fmdefrancesco@gmail.com \
    --cc=linux-kernel-mentees@lists.linuxfoundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-security-module@vger.kernel.org \
    --cc=mail.dipanjan.das@gmail.com \
    --cc=syzbot+c70d87ac1d001f29a058@syzkaller.appspotmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).