From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 7AEC51C3C08 for ; Mon, 23 Jun 2025 04:00:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750651205; cv=none; b=fshCkcBp67Va5brsNVFPqPG1IwK+Wj6av31Xp4HcRjayPivCdphVUqccTstxlVULj/hrz0/rreOwpCN5ufW2nExpc9QAIehI+QMJWp2yRaV2IKcjKVVxt4yXoUeCSXhQSgRXiBnIujgNLPARPCFDK41q2L7END9VksPBa0GSn/8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750651205; c=relaxed/simple; bh=pPylR7SsFpH7/9lpOqaCWDfdB08fmgj3mQjIVObOh7M=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=dCpIYELDQpe0S5MYdHnyyRZqPw257NbYnyXYBiRfmjGYX6FBJ5EVqU8umf/mNnO26vI1MNlueEWSA0K9RtcEqMcTHXiw7Ir+b1LZDg6iTIROCwg+Hus8DTpuObeNBMfMcyvCa12R5SIdL4sMAUw6YUu+ZW5aEiN8HTMx0qemQFE= 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=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-3ddafe52d04so123563845ab.1 for ; Sun, 22 Jun 2025 21:00:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750651202; x=1751256002; h=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=Tp5owW5nwFpu5Jnkrm8smrXMQm3hRvUBzgn0oCSlZLE=; b=TEbwrlsf9Tnzm8dIkqG97BU5CddDOtTz9lkANxKJBxOrrByz+ObS2nzM+SOTkTOgSn vO7HgYvc5Z096gWv4zr4gln3OAEWvV5RfaIZbndI6bDEdlNj5h3NrpiGjqyy0fQyvy30 nCL1Hn2Sb/zpltpWWHVtmcEMq+m+uZSWGg6IWocpHrhQxtASTev92fwbeMfsLKin1ED0 EzsTRIuLLWZZaYp743eYQG6l+YysvWE9mzAIDFaF3wpUJOcWMyvii7o+rr/2okM6kbAj BvdglRJxi6QIZOTCh6OA+NbLvtY9si+3TgjaIApUFgOwi2L7wc7qtxtvzCUNIfcC5enE IFAg== X-Forwarded-Encrypted: i=1; AJvYcCV8Jbt5ztUdMTXXHWNqA67AdpljhfilRSWwWAGaUYpUGTZNaIwKI5LpQ+TLulEnHVdWDs7fnrEEQZZHtg==@vger.kernel.org X-Gm-Message-State: AOJu0YwOaCw0Fvk1ideriNqNb7A3SBnA424Be5avDdpt5yyDOHv//Gtm E1VVEcJ5HF0cFLaHWC64U9yg2Ujmfnsor1pnkN9b19ktxVZ7h8c8I0ygX1XYnbKPh5HuB49boVH fPJe3pk8ljI//TNlhJwTXAfVbr8r4fEQv/GH6/wi42aEgx6l9gcXmxdhTrr0= X-Google-Smtp-Source: AGHT+IGzI3eiBVL0NMFR35KWAlUrxUfo0LV4hyzVNWz6hxCoaIHFjj6zXT0kapv92iCI4EFb+pZdLBWvpe4EvqMzAC+zavsATS4M Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:308f:b0:3dc:8667:3426 with SMTP id e9e14a558f8ab-3de38cca231mr119111035ab.17.1750651202731; Sun, 22 Jun 2025 21:00:02 -0700 (PDT) Date: Sun, 22 Jun 2025 21:00:02 -0700 In-Reply-To: <6834671a.a70a0220.253bc2.0098.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6858d142.a00a0220.2e5631.0004.GAE@google.com> Subject: Re: [syzbot] [block?] possible deadlock in __del_gendisk From: syzbot To: axboe@kernel.dk, hch@lst.de, hdanton@sina.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d Author: Ming Lei Date: Fri Oct 25 00:37:20 2024 +0000 block: model freeze & enter queue as lock for supporting lockdep bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1024db0c580000 start commit: e0fca6f2cebf net: mana: Record doorbell physical address i.. git tree: net final oops: https://syzkaller.appspot.com/x/report.txt?x=1224db0c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=1424db0c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d11f52d3049c3790 dashboard link: https://syzkaller.appspot.com/bug?extid=2e9e529ac0b319316453 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=132f8dd4580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14aac182580000 Reported-by: syzbot+2e9e529ac0b319316453@syzkaller.appspotmail.com Fixes: f1be1788a32e ("block: model freeze & enter queue as lock for supporting lockdep") For information about bisection process see: https://goo.gl/tpsmEJ#bisection