From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 089C47083C for ; Sat, 26 Oct 2024 07:13:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729926786; cv=none; b=I4iDYCw26exFmsY0CoFoFYmOmv0z6t3r7ynV26mLXkEPZMVdpzQPuZ4V+x8H3/rKuyC9Krps/qd9YAos24TKkRhCiDoj/1gYjoZq0r4AKVhLTb7pLKEGoUqPLXBfLKKUbqb1LSollgVTD45rXM2YZHzUWXzRunMdSUlFFA6KaYs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729926786; c=relaxed/simple; bh=Xx/dOFi2i3DQpUhONQ6NZLtMbO64BylT5PURJHWmgGk=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=kortyPUKPIq2V5OV5rukPmsZcrX/lANEHSoAON6K/hjwrFGYVP/D0qkhQBVkMHcyzKzepGwYYLDVk0nGBBXeGZUsBp5W6g594Fo2cmciCsDTDFVMg6WHmOwNbZhj6ZYyySsWGvYR45/fWEE5e36pxiybbc+C0wSAsA6gi+DIn1E= 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=209.85.166.200 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-f200.google.com with SMTP id e9e14a558f8ab-3a3a6afd01eso24696795ab.3 for ; Sat, 26 Oct 2024 00:13:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729926784; x=1730531584; 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=0rp67qhLwfATV5QRd3EQ8f+xX7gPSztVkNegQS8yK9s=; b=txX+08X4rv7b7be2c6sfsMqjTrz2/twqNKSuZMR47PEVjGjv0BpJCT99tSDLC0MqDN gmujQr8erSd6YaV6FjegiAqKHVByFtNAzYYvBrt5h5hKJiZumLzqvwtW5RW3BsonEzJA APe+aarJFcgUIewJ42G28p1mrCAcichnFcLe/g4ewtzfzZyfzote6piMG7dKRQof+isV D0fgonGiC7u/Esj3m2sF1UY/vC5GTH7ZV/n8e2pYPBzhmhnGHVF2g/2K22WLk5tc6r8m dR8s+C30OYlnMwVWmO5sfuWBKCzHyUvK398oTlYg8lyLG4vBAcVZPrhEV/ZRUbfana0Q bjXQ== X-Forwarded-Encrypted: i=1; AJvYcCUiyr3mW6Ut17hSWK84yVyb/0J78D0XEJVyqqVwUPDknKjDFGc2gge/lzhkajCqz7Cv+RhSbbtDKGqxPEY=@vger.kernel.org X-Gm-Message-State: AOJu0YwRFAYR7tCrp5F8kG5nP1EwNGn82bu5R9O48ke9H1tu1cMM5Hru myjG5h/20oOTfhbjijxZy08ZGz8o7pCgtGexR2/hQLz0Q4zMxkX6GiAjeV+3yzIEvlHWJ6Xn4TF CEpa5SOCaqEDlhmBae6M7bK6h0PuQSJjjbXQjVB09nl8q8YqKdV515Zg= X-Google-Smtp-Source: AGHT+IEwNTJMMh9GL3u+5fqFWDrHSeRggHiL5wVZQYC+bX3hzCIM1anpITxxzi11pKTVt/BttYsvYuwTcKbUU4p56PLuF976Bm/s Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1aa8:b0:3a0:a0bd:f92b with SMTP id e9e14a558f8ab-3a4ed2837a1mr14801475ab.10.1729926784248; Sat, 26 Oct 2024 00:13:04 -0700 (PDT) Date: Sat, 26 Oct 2024 00:13:04 -0700 In-Reply-To: <66f76648.050a0220.46d20.002c.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <671c9680.050a0220.2fdf0c.0224.GAE@google.com> Subject: Re: [syzbot] [bcachefs?] kernel BUG in bch2_fs_btree_write_buffer_exit From: syzbot To: kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, terrelln@fb.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit bf4baaa087e2be0279991f1dbf9acaa7a4c9148c Author: Kent Overstreet Date: Sat Oct 5 21:37:02 2024 +0000 bcachefs: Fix lockdep splat in bch2_accounting_read bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=106e6f57980000 start commit: c2ee9f594da8 KVM: selftests: Fix build on on non-x86 archi.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=126e6f57980000 console output: https://syzkaller.appspot.com/x/log.txt?x=146e6f57980000 kernel config: https://syzkaller.appspot.com/x/.config?x=309bb816d40abc28 dashboard link: https://syzkaller.appspot.com/bug?extid=e4b5080f1e963225063e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1218165f980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13d0a8a7980000 Reported-by: syzbot+e4b5080f1e963225063e@syzkaller.appspotmail.com Fixes: bf4baaa087e2 ("bcachefs: Fix lockdep splat in bch2_accounting_read") For information about bisection process see: https://goo.gl/tpsmEJ#bisection