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 A6D57C54EBD for ; Fri, 13 Jan 2023 02:26:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233096AbjAMC0T (ORCPT ); Thu, 12 Jan 2023 21:26:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53348 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233105AbjAMC0R (ORCPT ); Thu, 12 Jan 2023 21:26:17 -0500 Received: from mail-il1-f197.google.com (mail-il1-f197.google.com [209.85.166.197]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2EECC3FCBA for ; Thu, 12 Jan 2023 18:26:17 -0800 (PST) Received: by mail-il1-f197.google.com with SMTP id s2-20020a056e02216200b0030bc3be69e5so15035374ilv.20 for ; Thu, 12 Jan 2023 18:26:17 -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=VG/EnzWcjyS1E2OxmqiZ3g8xz/ONnjgCtm/GvWPiyR4=; b=w+6wMHztXupBq0IsmlzMYlS9g5OabcxApvhsMlERt35ZJe4WxvMwgoY/LonHICA/BI FEjikPj/qZqtmI8x0leogCwcMuk/mzmk6Hl06gqtFavy5iKeGcxNkgD4D0Z8aj+rwjRN FzJrBwSoTGLN6Zhf+urGLZIB7OsSsBFgEOnjPsIYwhbxzxld09ETqe0sIvfGe+GRgFhU 65BPAJM+UXiObpVuXdltpeKtIPVEEVoAS+i6G9wx2d5BqArZc+X/iKj1W7mgpIr5bhK7 aOLffUBelFrK50WYJdjIfCTc7NrvPVPNy0TvhRCZOx8hRWPxL/ywtXWA8uHN3Pt5bYyd 87WQ== X-Gm-Message-State: AFqh2koQODk2AkD6HuvZYxeUtfDMfQyfCEUQWfh0DB+qbdANChnWJuDA Nxls4FWdvXoyeuDvsqavZCbp3o355FX4804EO47prQ5pJjWp X-Google-Smtp-Source: AMrXdXtWZ+la6wXBRTWigKSeNe6zgYs/x8PEN+h28h75ULclNCdvk33CL9ZttKdJ91XPawN9b+42BDhaWJmNGlLT6sPuBds8tcsE MIME-Version: 1.0 X-Received: by 2002:a05:6e02:80c:b0:30d:860d:342a with SMTP id u12-20020a056e02080c00b0030d860d342amr2950134ilm.305.1673576776569; Thu, 12 Jan 2023 18:26:16 -0800 (PST) Date: Thu, 12 Jan 2023 18:26:16 -0800 In-Reply-To: <0b47feda-b3b2-02e8-36bc-f55a3e27bc35@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000045a2ae05f21bf5aa@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in io_fallback_req_func 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+bc022c162e3b001bf607@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=15a52c5e480000 kernel config: https://syzkaller.appspot.com/x/.config?x=2b6ecad960fc703e dashboard link: https://syzkaller.appspot.com/bug?extid=bc022c162e3b001bf607 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.