From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8C5C1C54EBE for ; Fri, 13 Jan 2023 02:04:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238133AbjAMCE1 (ORCPT ); Thu, 12 Jan 2023 21:04:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231314AbjAMCEZ (ORCPT ); Thu, 12 Jan 2023 21:04:25 -0500 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14851621A5 for ; Thu, 12 Jan 2023 18:04:24 -0800 (PST) Received: by mail-il1-f198.google.com with SMTP id r6-20020a92cd86000000b00304b2d1c2d7so14850049ilb.11 for ; Thu, 12 Jan 2023 18:04:24 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=ayK0uCBsQox46J2IE0pM400tXWnCHlDcWCx3CfqtMg4=; b=4CiR9PvT+kRrIGFQRiiElL7iK1fp+sq0G2CrC4/8au/CAHmOeRqs7wn8FlVhN+ccrE iJ/K4OTQ84PEzTBGyLLKx4oKKa87mlFsC4gTqAMg8PIZ7pJu+mTcMyiBYLdXO0LmCqN+ ehB8bQoOgkx6mhVp4td07feH/ZLC4js7vN/BiBIzKTe7Axhk8t/CYAEwXBcQw/ezPKJd gvijZW4EGa8q6bdZfNv6eM7G+mFk+EjpHSmFM8E2pz8HtGc+by0WG9Q0GHjnBsbSEhuT ++Cd4nEllseOMcfgJpAeSwGIXwhWWK9RWZQKaAigjnc0iS27yhN5kY9Rj7H89CqHEzso Ty0A== X-Gm-Message-State: AFqh2kqzphnzaXeT6+bwcw59u4dNnCXxMiZ3mPlEWNQw/wGABDCqZr1P VZjq8WpkWUmWTzcZ/5efDX3lEOEGmJnPUJaxBQDBcXbZZuUz X-Google-Smtp-Source: AMrXdXsKcSRHw8sK4t0XWANe42NYk0I4/oJdtmEBrZdoPzhm0JpvcxnGDQ4Sn8K9sIotqBiDSGtJjPWBqOpkz1le8/IfbiZrzani MIME-Version: 1.0 X-Received: by 2002:a05:6e02:f53:b0:30c:2d97:1a9b with SMTP id y19-20020a056e020f5300b0030c2d971a9bmr5456205ilj.143.1673575463465; Thu, 12 Jan 2023 18:04:23 -0800 (PST) Date: Thu, 12 Jan 2023 18:04:23 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000013c3e05f21ba793@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in io_fallback_tw From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+ebcc33c1e81093c9224f@syzkaller.appspotmail.com Tested on: commit: 73f41663 Merge branch 'for-6.3/iter-ubuf' into for-next git tree: git://git.kernel.dk/linux.git for-next console output: https://syzkaller.appspot.com/x/log.txt?x=16cc1236480000 kernel config: https://syzkaller.appspot.com/x/.config?x=2b6ecad960fc703e dashboard link: https://syzkaller.appspot.com/bug?extid=ebcc33c1e81093c9224f compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.