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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E6A1FC433EF for ; Fri, 29 Oct 2021 20:53:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BB3FA61075 for ; Fri, 29 Oct 2021 20:53:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230215AbhJ2Uzj (ORCPT ); Fri, 29 Oct 2021 16:55:39 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:33519 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229873AbhJ2Uzj (ORCPT ); Fri, 29 Oct 2021 16:55:39 -0400 Received: by mail-io1-f69.google.com with SMTP id f19-20020a6b6213000000b005ddc4ce4deeso7627775iog.0 for ; Fri, 29 Oct 2021 13:53:10 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=mZR1Ffgh9GUeY1nvfeVVdOqzzFuN2C/+L0bUpcqSOr4=; b=IuRIPchQExYEhk4gCCdKcG0W3IKJ2z23+dIfZLPIPnHekQxBhfiji8I63FrxCLejMf vX3Yf+piDLmng6W2v4dnd80n7jnkPuzaHOGDlROzkeoBDJl3juhi0lPOOKKrLYyaL5G3 pnYrFEWXCMtXtkozo3V6ZoEyCmWKFsUCVRgwkP+cZ8Q0EbwVPlwcXBN4tg//j/If6/Gk 9gLLIoQgooTxhQ7RLAC/fEMeDz1d0bLDnMNxZTy1bL33l+MEce6IZNLjrbgmWoiL3zvt gbIx8gbk6aHgxZeuEGR9LK7Wbd5UZwuuACPC0Nhb3vv8PYTlaWsYQnL7gtl6j0Yr6e1L 7h8A== X-Gm-Message-State: AOAM531AJHsE6C2BlAK0R4IgIl1MOQYKHmjgOR3NR3RnJ0r8TvA3l9fG sGb6JWc7CshKIyo4fnUoIxVcyuu0Ofm2F7J0buy+Gz96pKd5 X-Google-Smtp-Source: ABdhPJyg7+CkIZhRFcuuSE69HNyMf6UDU7ZvRRKf1co95w/1Krr48Gg72H+2mTFxBZR0Aql8UGNCzvAEgwqDLIoCoGWEBKHdw9ya MIME-Version: 1.0 X-Received: by 2002:a5d:80d6:: with SMTP id h22mr9940649ior.152.1635540790308; Fri, 29 Oct 2021 13:53:10 -0700 (PDT) Date: Fri, 29 Oct 2021 13:53:10 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d2737805cf8403c9@google.com> Subject: Re: [syzbot] KASAN: use-after-free Write in __io_free_req 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+78b76ebc91042904f34e@syzkaller.appspotmail.com Tested on: commit: 1d5f5ea7 io-wq: remove worker to owner tw dependency git tree: git://git.kernel.dk/linux-block for-5.16/io_uring kernel config: https://syzkaller.appspot.com/x/.config?x=10c050a45aafafcc dashboard link: https://syzkaller.appspot.com/bug?extid=78b76ebc91042904f34e compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: testing is done by a robot and is best-effort only.