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 X-Spam-Level: X-Spam-Status: No, score=-13.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A88BAC4338F for ; Thu, 12 Aug 2021 20:36:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7FFD6610A3 for ; Thu, 12 Aug 2021 20:36:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232860AbhHLUge (ORCPT ); Thu, 12 Aug 2021 16:36:34 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:57101 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229724AbhHLUge (ORCPT ); Thu, 12 Aug 2021 16:36:34 -0400 Received: by mail-il1-f199.google.com with SMTP id u2-20020a056e021a42b0290221b4e6b2c8so3796547ilv.23 for ; Thu, 12 Aug 2021 13:36:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=sBYzu++XtTyiMNxgm0IaBQVBwqzw9O6kfSOlaQ8ZUzI=; b=pRNqB2YCsPh3Sv9zhLWtePsjrT/rLtrgyjPxGxfv+twWjo6u63kiFzjMtxD6Sc2mvb YB6oRv5FSiyG5gmEIAT+ub+unj3YaEmXpOiuiKcql7LKdxMDrD/SL3L2mPyaQ+Uvas8m AVtCoSITtnHlpxW6VhWOo3Ie1vDIhCFUv+pq30LQgFlBdP7VKpe4Q6iOryW7cF0DoAhI 1XgqQZSUVxg6Q5zshYHtOZ/wHPSV6JTn2/802o4Gm5BbQPNLl32PCD1e7AbTyRT26+RI KmCC1jEUPD9DhLUikjHMJNkogKxpCLj2U50bJwxfZ+R8tMlSZAbJn0G5/JfmuZ5q6iX9 9sig== X-Gm-Message-State: AOAM533jSH3+NUwJVhx33LcCLVeTG4xWVx0GdD4nRPyv6AAB+Y8rGALH A6FUaUXlN6VsOXL4tnONkCPBmGnnYqQsmG/vBw0PAriuAuxB X-Google-Smtp-Source: ABdhPJw3XIRV+yx+RFhY33oFm2MfAtk/nwcxE0vdHJIYzGW+3k2IatJ4phFZ9UIf7JXcgVp/MEmL09rGjcQb9UcVNC5Ho6FryfrD MIME-Version: 1.0 X-Received: by 2002:a6b:ba02:: with SMTP id k2mr4427251iof.164.1628800568256; Thu, 12 Aug 2021 13:36:08 -0700 (PDT) Date: Thu, 12 Aug 2021 13:36:08 -0700 In-Reply-To: <6f7d4c1d-f923-3ab1-c525-45316b973c72@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000047f3b805c962affb@google.com> Subject: Re: [syzbot] KASAN: stack-out-of-bounds Read in iov_iter_revert 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+9671693590ef5aad8953@syzkaller.appspotmail.com Tested on: commit: bff2c168 io_uring: don't retry with truncated iter git tree: https://github.com/isilence/linux.git truncate kernel config: https://syzkaller.appspot.com/x/.config?x=730106bfb5bf8ace dashboard link: https://syzkaller.appspot.com/bug?extid=9671693590ef5aad8953 compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1 Note: testing is done by a robot and is best-effort only.