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=-3.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 730C8C433DB for ; Fri, 29 Jan 2021 01:38:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D9D064DFB for ; Fri, 29 Jan 2021 01:38:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231237AbhA2Biw (ORCPT ); Thu, 28 Jan 2021 20:38:52 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:56333 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231547AbhA2Bir (ORCPT ); Thu, 28 Jan 2021 20:38:47 -0500 Received: by mail-il1-f198.google.com with SMTP id s4so6370981ilv.23 for ; Thu, 28 Jan 2021 17:38:31 -0800 (PST) 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=lm16eCirJMAjlWtITfJJw0jmgaMJxdBabVfxLijbAp0=; b=Ls8I/9xuMBLHdVoF3I8ONAN1EmhBtU6/fnDNVeOTZVNza7aabRf647dDtzyfYcz2Dm 6OAy+HlWooZ0afOwFwnEnncBrZ854+JVxbefHM0zOA4QerPeQlqi2gKy47QeQau5pJK9 NabBJ+B7c7M4L07smUEcupyq3epsot7zDK09Yip9U2Ui9AasqTo8BpAsxCVXMp3YKmcT EKvXRUvCPL08F7+4bSQP8Kwz2tq8kjU0LpRxBgQ9MEqSultknlfKIAUd/enniYu0VzNH QxF7ZCekPzTTdC7tb+48vez8hx8vO0SZlVX96J+LSUmQB9PQj+B95T6S/xo/pkKU7Bgr u0YQ== X-Gm-Message-State: AOAM532YIjo66YWCJsMFqgbHJ4w1PhOQetuLDDpBU67Z73d6/wZCl61W sLLnRZMxELQ4KpEI/MvO4FxCy4nYXv6m4hBR5BZMYfl7b/kh X-Google-Smtp-Source: ABdhPJzaeeto+90vKfwCqIzrB5cp8eqdHC8gCKgD33zO40cOrw2abKT9qoVAFdgqqOolzOUWECqyCPq1B3LE/EP9Hzwa53UUwB8D MIME-Version: 1.0 X-Received: by 2002:a6b:f714:: with SMTP id k20mr2029676iog.70.1611884286518; Thu, 28 Jan 2021 17:38:06 -0800 (PST) Date: Thu, 28 Jan 2021 17:38:06 -0800 In-Reply-To: <000000000000619ae405b9f8cf6e@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000512a7f05ba000ead@google.com> Subject: Re: WARNING in io_uring_cancel_task_requests From: syzbot To: asml.silence@gmail.com, axboe@kernel.dk, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@kernel.org, mingo@redhat.com, peterz@infradead.org, rostedt@goodmis.org, stable@vger.kernel.org, syzkaller-bugs@googlegroups.com, will@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org syzbot has bisected this issue to: commit 4d004099a668c41522242aa146a38cc4eb59cb1e Author: Peter Zijlstra Date: Fri Oct 2 09:04:21 2020 +0000 lockdep: Fix lockdep recursion bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=133f3090d00000 start commit: d03154e8 Add linux-next specific files for 20210128 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=10bf3090d00000 console output: https://syzkaller.appspot.com/x/log.txt?x=173f3090d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=6953ffb584722a1 dashboard link: https://syzkaller.appspot.com/bug?extid=3e3d9bd0c6ce9efbc3ef syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11a924c4d00000 Reported-by: syzbot+3e3d9bd0c6ce9efbc3ef@syzkaller.appspotmail.com Fixes: 4d004099a668 ("lockdep: Fix lockdep recursion") For information about bisection process see: https://goo.gl/tpsmEJ#bisection