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 8574E15099F for ; Tue, 7 May 2024 11:30:06 +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=1715081407; cv=none; b=TVM+yXCo+KuYjKqkStKp7A6xykbzCEATFy0hnWG05IU8EAZHHirrJqpZw1+YFHpPPftdMR7UiAap0J+cQhLImjwcJF0WkddgosqLwST4z6XFfTKZNZUNbHi8U8a1qhf+JmtpEJcE5GkvNiYgcDx8ZZ2HP7M4rCKhJePeq9nBILI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715081407; c=relaxed/simple; bh=ouPq1ImQr6BwL9gGhpva3sUJq8ov/1/P2vWzjlb0qCM=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=AlDp9iAUIOEjN9FoFzuPbVu7VehzvOElQdBYUFEhTmfcv0nbS6eoRjDT6xu0ydO91eGiC4ky1iopyR194q2JL9ueiC2LGSzOJbfkhSnxJD4WE8CbNd2zP1hT2yL+vUd+qlIVHSlMgF+2fJ7IB6NW4EC11AD4aD4mU4sDcaJQmo8= 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-36c6b24fd6eso34928045ab.1 for ; Tue, 07 May 2024 04:30:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1715081405; x=1715686205; 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=4GUfzj+cOjI3lTKUNiWMDeoLyX1063O2jyJpXjnx1eU=; b=ageTJ45ZjkiVB9uW7pCN8EIgM7W9lELYnJqIzxgX3qyIWeo8iX3ZBvbnBOTipcVspx 2OaSCtpEbhMv58aL+XBSi8MRoh8+BjqtU7XDvgZyqak+foDuNB62n/Pi8Q2IV5q3600e Ewg1DIT+ZeBi8mUpr4RktQzjZvm9YBCPZ/EwwaKuPkS48IWsNCJ4tPfO7pFZ/JT9R80Z WkVeIenWvLwX0NGCM9O2OXFGCL3+v/FFXtjMPDhFCv2kGrNLAqPMdkVx60KV3IFevjk5 ZDonBajRZxpPRivNHhcBsXdlEsrSBxQIzY3MwFBzed7jqfJ+IQgVN6mXguPNZu5cyJyd 5ZuQ== X-Forwarded-Encrypted: i=1; AJvYcCV5A3gsDpw2xvuuaIvPckLCXWPA464lT3hF5xOCFBMmOEnt9AcAoRFEUO2o+w4IG6QXc/GKzrgosk/EZjvH8bmUhEnlvWmj6M9pD7rHMw== X-Gm-Message-State: AOJu0YxYZgHfFyQE8eFftILHKyq2yhYNLftc9qNLofrZwyEbjvU9pvNP 110iqLG4gnOWK/jukAXJ2Na+zmJWbmEn4ILbUQ3ukYafSdVs7VbqaVrBYwVGbVXO+yReoKdZhVe sPwTFMwUS40Nu4tR/56kXC6ze+CaHjM2gvn00iMBU70TUNQ1oxrDIlMg= X-Google-Smtp-Source: AGHT+IEEu+uyAPb5jfl94XXMEfkVdZKh2KktG1jPdpJKDY6RdnOaOMt++iU0b26vxR+0bwAPkh+Xj0GoymWHrPs9skgHW8bkTELT Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:216e:b0:36c:4cc9:5923 with SMTP id s14-20020a056e02216e00b0036c4cc95923mr740783ilv.2.1715081405751; Tue, 07 May 2024 04:30:05 -0700 (PDT) Date: Tue, 07 May 2024 04:30:05 -0700 In-Reply-To: <00000000000067ff3c0617c603c2@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f370b30617db817b@google.com> Subject: Re: [syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in read_one_super From: syzbot To: bfoster@redhat.com, kent.overstreet@linux.dev, linux-bcachefs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has bisected this issue to: commit 03ef80b469d5d83530ce1ce15be78a40e5300f9b Author: Kent Overstreet Date: Sat Sep 23 22:41:51 2023 +0000 bcachefs: Ignore unknown mount options bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=149d2fff180000 start commit: dd5a440a31fa Linux 6.9-rc7 git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=169d2fff180000 console output: https://syzkaller.appspot.com/x/log.txt?x=129d2fff180000 kernel config: https://syzkaller.appspot.com/x/.config?x=9d7ea7de0cb32587 dashboard link: https://syzkaller.appspot.com/bug?extid=a8b0fb419355c91dda7f syz repro: https://syzkaller.appspot.com/x/repro.syz?x=135bf574980000 Reported-by: syzbot+a8b0fb419355c91dda7f@syzkaller.appspotmail.com Fixes: 03ef80b469d5 ("bcachefs: Ignore unknown mount options") For information about bisection process see: https://goo.gl/tpsmEJ#bisection