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 AB0A3C433F5 for ; Fri, 3 Sep 2021 23:08:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7CEEA61056 for ; Fri, 3 Sep 2021 23:08:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349849AbhICXJ3 (ORCPT ); Fri, 3 Sep 2021 19:09:29 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:35496 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245474AbhICXJK (ORCPT ); Fri, 3 Sep 2021 19:09:10 -0400 Received: by mail-il1-f198.google.com with SMTP id x3-20020a92de03000000b0022458d4e768so450258ilm.2 for ; Fri, 03 Sep 2021 16:08:10 -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=N5d093UwZv3h4qJ5IEJdxCx1t3C+wte7ngv0XxPDuyU=; b=VJei+y4UuXQIP66eLVBv9Yl2ZRNllprAziltIaRPAPkcBSsfdY0THmD3oCmuZp+O+w 0AYiaAZPr3li7nIC54j40uXwnNDtvR1EW0hsXR06aH3Hd/Y2pWvwNRGRTY433dXAHA3r nUaAPgLlJD8onV50sfdnOgtkkAcP4nLlUm4vNiQj92QuQVYonMPpMvRR/T2O/M5apLHS T9PFEzigHgGvra52UQ1GJL2i8LIXGoouBBSKxxL6rfRXVj9bbXk0ukJb8y8tyzjrIgQs jsT6C8dT4gx7dV6IXgVNxQ4Lda9urXezqHBHVbKmeHGp6YWh4aw5H0dnCpOtd0ENA+RD 0mmQ== X-Gm-Message-State: AOAM530+GnGpH7ood0ME8YUUOzL/pz0Jy4eMjbZNKyztghWUmk/Ei2wD OO4l7/J60jMYoszjh5oSY3mZ2AFX6qQG7rTLSZ/xnVKibM+3 X-Google-Smtp-Source: ABdhPJwc7eZ+XDxlXIWj9wtCGs/WMLS+ApAM+Q60oiBtj0cht9k5RDlrRhqVvFCAanCbKgrGN5gUcz90yu9AHhgymHP7ZUqHOJak MIME-Version: 1.0 X-Received: by 2002:a05:6e02:198d:: with SMTP id g13mr902366ilf.319.1630710487901; Fri, 03 Sep 2021 16:08:07 -0700 (PDT) Date: Fri, 03 Sep 2021 16:08:07 -0700 In-Reply-To: <5a93ff90-98be-b5af-29e9-a2f8cca82458@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005ceb2c05cb1f5fad@google.com> Subject: Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in kiocb_done 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+726f2ce6dbbf2ad8d133@syzkaller.appspotmail.com Tested on: commit: 31efe48e io_uring: fix possible poll event lost in mul.. git tree: git://git.kernel.dk/linux-block for-5.15/io_uring kernel config: https://syzkaller.appspot.com/x/.config?x=fa8e68781da309a dashboard link: https://syzkaller.appspot.com/bug?extid=726f2ce6dbbf2ad8d133 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 Note: testing is done by a robot and is best-effort only.