From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 6D989314D2A for ; Wed, 24 Dec 2025 00:32:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766536323; cv=none; b=gLx1hLrNsn9V7yZHa2qYLPtjp/MJZSNmgyXg3jIPbSJPwB1p3QCcBOtzgPdzOkI8Fxo44BK3O/KtIgisyXs0ys2Re1aJCl7VqXTgCkw0UX+uiOF0QKmOTpjmcTzAM/iAJgNOO4RBq3v2KOPDg44phnolk9O4Zg4q0LYRYDrvMbk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766536323; c=relaxed/simple; bh=WLDYsKeqtHC1X7/foxDAGGLfxjA90yTqPp+EiscQlX4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=QvCv4zhjTwKl9pVzhxaB2EAsMZ/bFH217p+vos9Xu8YrWTlP4rUB4ERf/laMsf7zG3luht6zOXxgjmgTY5sJGj4QDzrjvXiy5aIC7TTYeOz4t43uptn0T8CtE6kgZI76jvMt7zLAP/9Tuv8cVtvqW4BhDJ9geEzvuPML4Fttkco= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-656cc4098f3so8844804eaf.2 for ; Tue, 23 Dec 2025 16:32:02 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766536321; x=1767141121; 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=Va2VfPs9ApZjSsj5ATJ7KVoiJwVbCQA0CZHsuoEnzCg=; b=wAqaigMYMUaDmS03IfIVmzvIYYVrRUtHQba3t4FkLQKueQqvPXySI0lJRMtlm8U/Ix aBHfk53UfVDoF0Iux2DXGdWvRjQ3LAMnyyPILFitTgd/RFBVPccnfTGX/zSXCkgSPSTH ic2ggBC0DaTtuuhLh9QhOdzzfbH3ghYI9c7kzEmqhLbzJDKXec8OlwEIgN6xxDHL/jVu DvKPfu95TziNUL4M9ebz36uD1xj+QzJTHmOHcNcYbIeHRZa0SOvBI+xCK2vuPUoN7wHe S0lx7eexEG9WO6KjwSwellWaDCi4RlfOLSaRolWoWLyt/dyDXtqGROSEcRAmyuC79p4E pqdQ== X-Forwarded-Encrypted: i=1; AJvYcCWOUJ0gn8+0M+esFriGh8OJ4KEpD2wegwnQZIf2Owq+M8RE/S94tEx/hUaBYIxttlFgSJsZP6hccdxM5hg=@vger.kernel.org X-Gm-Message-State: AOJu0Yx7dsX6WG6Hb85i/sPr/+cKn0U72TRrTPvueet9P3XFYPsgmgnG 5qqXrOSB5P9rnK3owhsMwbXNIfpgL5l+1Iu1d67SL0jkBElcBAPAHPb4VwGIGFu/No99fxJJVFF rNYqZy7YzsghNoaWduUOKdK5M8FLMzLTa5WplRueM1cXeLA5052ZNDygxabY= X-Google-Smtp-Source: AGHT+IHOZfF91uzeoESVPCmUGI5rO+RB8szUXHzbAvDO46/yx4H8YqG3HZpHGicG5m8L3famMF9a4gnkPXDENXrHWS/b5aTfi6Wj Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2229:b0:659:9a49:9026 with SMTP id 006d021491bc7-65d0eb10455mr7186596eaf.83.1766536321463; Tue, 23 Dec 2025 16:32:01 -0800 (PST) Date: Tue, 23 Dec 2025 16:32:01 -0800 In-Reply-To: <67775d94.050a0220.178762.003a.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <694b3481.050a0220.35954c.0009.GAE@google.com> Subject: Re: [syzbot] [ocfs2?] [ext4?] WARNING in __jbd2_log_wait_for_space From: syzbot To: akpm@linux-foundation.org, dmantipov@yandex.ru, jack@suse.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, kartikey406@gmail.com, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, mark@fasheh.com, ocfs2-devel@lists.linux.dev, syzkaller-bugs@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 93ce0ff117b0c468961d7c296a03ad57e1e8da9f Author: Deepanshu Kartikey Date: Thu Oct 30 15:30:03 2025 +0000 ocfs2: validate cl_bpc in allocator inodes to prevent divide-by-zero bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11b4ef1a580000 start commit: 63676eefb7a0 Merge tag 'sched_ext-for-6.13-rc5-fixes' of g.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=ba7cde9482d6bb6 dashboard link: https://syzkaller.appspot.com/bug?extid=04ae2c9e709a347f1a81 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15c678b0580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=112bcedf980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: ocfs2: validate cl_bpc in allocator inodes to prevent divide-by-zero For information about bisection process see: https://goo.gl/tpsmEJ#bisection