From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 560373D76 for ; Fri, 2 May 2025 11:51:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746186665; cv=none; b=tfqy2zlngwQQ+qXxjA5FcqAZnP/sxl+9SRZq3geRYJrG8jEpWRc+Fv78C7wp3c0fcAEORhk61TVj+Hpzl9asycdSNYnvROn1mfNi2FJQzbpAOKjaa5MXz5lqu8GP8bZNEXEIGAC/SjKd6tv+sGb106hHiUJDIt4rUBXhFJSDzqk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746186665; c=relaxed/simple; bh=lxZ8rOkDSCsFVW2WQ32zs3zoTVWUyymf0py48Q98j4E=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ohOabw1uTh7DmfPMXtWpDGKOdPxwhcZXZ9Vp66Lsv5huOpvpckyGjeazi0vXVhWE4Cv/SIrYTCbtxAjwLeY+g7kpXKReP7BEsIvuz1q85UdbxudgIbBIUcDiaoBfcrFdhmJXf1Y3SHISmLElbLdx0h1/fwQHH/O5lVHV0q7BDNo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.69 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f69.google.com with SMTP id ca18e2360f4ac-85e6b977ef2so366825139f.2 for ; Fri, 02 May 2025 04:51:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746186662; x=1746791462; h=content-transfer-encoding:to:from:subject:message-id:in-reply-to :date:mime-version:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=2GzGElVwrpn7WgINKNMDTHEhcwHxNIwhUYezPmIaX74=; b=Oron1ZvQiQMGAmxWFyVRMFm0u1wSFiM0i/M9xYmX5FVWeYCGa50X4MfZ+3NlyRrjG/ YdZak60LlHSY0WqxUBQ+qnKKb0SB6Z0OCy6ttF+1IVJGBs9IRlDo4p4broDEcrWwVUpm 8HjrbBNE5Cxcsu5c1o8H87LwNRtwY8ldZjkgfkbx+MMGdIXZ41GdqiDJ2m0P5RA0OCFH +Jv3QCpcYGEB5fm5wSaQAVOqrVLDQJKxQh3FhbXMF8dMpHreOZmGZsNLSKq6UcX2FGNu LK9m5ruudW4HuCD5n3DhrqQKf6MK4ti1MrK8neb0WDFbwVzehGWl1nRAB4M2rZ4T7iBF NoBA== X-Forwarded-Encrypted: i=1; AJvYcCVhFwnBYXcZcmTXFci6thDMDnkC+EfvNkxMC+8xQwpm48E+zLdgi/cxqvb/eKLG5++jmbdpxU3cNxCTdpM=@vger.kernel.org X-Gm-Message-State: AOJu0YyjFnLsJBfB+wxRobb8jW2dwJfBtxXNVNX0KCsgIMYI1s6I6mli jcmMX3xm53O2ZpcUVhRldsEIeS83DuFOlEj8B9a7FXEy6//ql3eYxhtPXeVyu2Do+cAYW2WwP2s hLMN+azvx8gxIIlWqgBSa13M9WeY4gec3o3Oby5ENVT/zTmQSsfUmujs= X-Google-Smtp-Source: AGHT+IHT9JnGD6WZpxKelt2uNR6CpHn9e5gtYlpxij1xhxDfwiXUAGH0J9rZZR1TszCZi4HVFfYfbExKCA7vaSyyEDPyBvQLsgxq Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:388b:b0:861:c758:ec35 with SMTP id ca18e2360f4ac-866b424e36emr311382439f.11.1746186662541; Fri, 02 May 2025 04:51:02 -0700 (PDT) Date: Fri, 02 May 2025 04:51:02 -0700 In-Reply-To: <6741e9d0.050a0220.1cc393.0014.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6814b1a6.050a0220.33cf57.0000.GAE@google.com> Subject: Re: [syzbot] [block?] possible deadlock in loop_set_status From: syzbot To: axboe@kernel.dk, hdanton@sina.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, syzkaller-bugs@googlegroups.com, thomas.hellstrom@linux.intel.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot has bisected this issue to: commit ffa1e7ada456087c2402b37cd6b2863ced29aff0 Author: Thomas Hellstr=C3=B6m Date: Tue Mar 18 09:55:48 2025 +0000 block: Make request_queue lockdep splats show up earlier bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D1411b7745800= 00 start commit: f1a3944c860b Merge tag 'bpf-fixes' of git://git.kernel.org.= . git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=3D1611b7745800= 00 console output: https://syzkaller.appspot.com/x/log.txt?x=3D1211b774580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3D90837c100b88a63= 6 dashboard link: https://syzkaller.appspot.com/bug?extid=3D9b145229d11aa73e4= 571 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D163650d458000= 0 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D11652270580000 Reported-by: syzbot+9b145229d11aa73e4571@syzkaller.appspotmail.com Fixes: ffa1e7ada456 ("block: Make request_queue lockdep splats show up earl= ier") For information about bisection process see: https://goo.gl/tpsmEJ#bisectio= n