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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 0E2ACC43331 for ; Tue, 31 Mar 2020 11:14:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DDC99208E4 for ; Tue, 31 Mar 2020 11:14:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730442AbgCaLOE (ORCPT ); Tue, 31 Mar 2020 07:14:04 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:33859 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729483AbgCaLOE (ORCPT ); Tue, 31 Mar 2020 07:14:04 -0400 Received: by mail-il1-f197.google.com with SMTP id b14so19452525ilb.1 for ; Tue, 31 Mar 2020 04:14:04 -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=VDzK7SMPTn5+1NJ0X+ZSAYeFxCx7H6x/5RbxADZ4d6E=; b=ijxEwnqpxxg/VV/Wb1hVBrroYvBg8hiii61cl4oIPmNVXPUOVsP6tq9Jxp09VMkQd+ Y+1eFmN/OwXKpid3g4dFxsWrKi/fxjrTD04K9KF4NX2zqQgCxZMi3LCqkQukCwF7Ykun DcoGeRtGuJlrCRMNym9Q2I1xMh8N04Gt+kY2SIQktxda0pMdL+MdzPxe7TcuAr6GuByS QRnTkSFEoznidZ8Km3Au4JexJivJoWXnnMQa56VXD5wEA4MugnozuWShvpsrUOnL3lDT SCEtP7d7vmKUsNFTo7iIp27LWlS6WU0HOMy0hBCGGIZY7Qcm4cHR7R9Xrp/+zgxSXGKT XWIg== X-Gm-Message-State: ANhLgQ2oqH+1tv41YJhLbbe3uoI/HS/ufTEJSzP6rY9XZINmKsUawMdO m2K6hK5sN2hNg2qDAQKGkeescJ4BMxZrMPga+3R5x9sFL6mz X-Google-Smtp-Source: ADFU+vvsMmk+9AB6KhfsUlDFCpZCCk2oL4klTi/WKgJzTCgTsfyMEXJagR3lLTbUr0mSEfKTgEbpdznTLp2fsXhW7dvop7Eq42Q3 MIME-Version: 1.0 X-Received: by 2002:a5d:950e:: with SMTP id d14mr14672462iom.77.1585653243655; Tue, 31 Mar 2020 04:14:03 -0700 (PDT) Date: Tue, 31 Mar 2020 04:14:03 -0700 In-Reply-To: <0000000000002efe6505a221d5be@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000533b4505a224aa8b@google.com> Subject: Re: INFO: trying to register non-static key in io_cqring_ev_posted (2) From: syzbot To: axboe@kernel.dk, hdanton@sina.com, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org syzbot has bisected this bug to: commit b41e98524e424d104aa7851d54fd65820759875a Author: Jens Axboe Date: Mon Feb 17 16:52:41 2020 +0000 io_uring: add per-task callback handler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=115adadbe00000 start commit: 673b41e0 staging/octeon: fix up merge error git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=135adadbe00000 console output: https://syzkaller.appspot.com/x/log.txt?x=155adadbe00000 kernel config: https://syzkaller.appspot.com/x/.config?x=acf766c0e3d3f8c6 dashboard link: https://syzkaller.appspot.com/bug?extid=0c3370f235b74b3cfd97 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13ac1b9de00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10449493e00000 Reported-by: syzbot+0c3370f235b74b3cfd97@syzkaller.appspotmail.com Fixes: b41e98524e42 ("io_uring: add per-task callback handler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection