mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: syzbot <syzbot+3815dce0acab6c55984e@syzkaller.appspotmail.com>
To: brauner@kernel.org, dhowells@redhat.com, jack@suse.cz,
	jlayton@kernel.org,  linux-fsdevel@vger.kernel.org,
	linux-kernel@vger.kernel.org,  netfs@lists.linux.dev,
	oleg@redhat.com, pc@manguebit.org,
	 syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk
Subject: Re: [syzbot] [netfs?] INFO: task hung in vfs_utimes (3)
Date: Thu, 18 Sep 2025 17:47:03 -0700	[thread overview]
Message-ID: <68cca807.050a0220.28a605.0013.GAE@google.com> (raw)
In-Reply-To: <68cb3c24.050a0220.50883.0028.GAE@google.com>

syzbot has bisected this issue to:

commit aaec5a95d59615523db03dd53c2052f0a87beea7
Author: Oleg Nesterov <oleg@redhat.com>
Date:   Thu Jan 2 14:07:15 2025 +0000

    pipe_read: don't wake up the writer if the pipe is still full

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=175fa534580000
start commit:   46a51f4f5eda Merge tag 'for-v6.17-rc' of git://git.kernel...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=14dfa534580000
console output: https://syzkaller.appspot.com/x/log.txt?x=10dfa534580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8f01d8629880e620
dashboard link: https://syzkaller.appspot.com/bug?extid=3815dce0acab6c55984e
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17692f62580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1361f47c580000

Reported-by: syzbot+3815dce0acab6c55984e@syzkaller.appspotmail.com
Fixes: aaec5a95d596 ("pipe_read: don't wake up the writer if the pipe is still full")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

  reply	other threads:[~2025-09-19  0:47 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-17 22:54 syzbot
2025-09-19  0:47 ` syzbot [this message]
2025-09-19  2:18   ` Hillf Danton
2025-09-19  2:44     ` syzbot
2025-09-19  7:14   ` Oleg Nesterov
2025-09-19  1:29 ` Forwarded: " syzbot
2025-09-19  6:48 ` Oleg Nesterov
2025-09-19 12:22   ` Hillf Danton
2025-09-19 13:25   ` Dominique Martinet
     [not found] <20250919012918.213435-1-lizhi.xu@windriver.com>
2025-09-19  2:04 ` syzbot

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=68cca807.050a0220.28a605.0013.GAE@google.com \
    --to=syzbot+3815dce0acab6c55984e@syzkaller.appspotmail.com \
    --cc=brauner@kernel.org \
    --cc=dhowells@redhat.com \
    --cc=jack@suse.cz \
    --cc=jlayton@kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netfs@lists.linux.dev \
    --cc=oleg@redhat.com \
    --cc=pc@manguebit.org \
    --cc=syzkaller-bugs@googlegroups.com \
    --cc=viro@zeniv.linux.org.uk \
    /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
all inboxes | Powered by JetHome®