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, 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 869A9C432C0 for ; Thu, 21 Nov 2019 05:56:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5978320715 for ; Thu, 21 Nov 2019 05:56:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726132AbfKUF4E (ORCPT ); Thu, 21 Nov 2019 00:56:04 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:36214 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726265AbfKUF4B (ORCPT ); Thu, 21 Nov 2019 00:56:01 -0500 Received: by mail-io1-f70.google.com with SMTP id z12so1443139iop.3 for ; Wed, 20 Nov 2019 21:56:00 -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=mfH1KiCJRKrkCk6Xo24N026hP3QeH2tnCMon9TkgaqE=; b=eup1m8vBxSA7rATUgwOg627QJWghBD0tZoarL6jOz1E7aTnReuwRGe+NrAdEAr3F7G AgGoteU3wBpXyHy+Uy2HuK6LR5TAjcQjg5+dmVXjSLigMjR3eDeBhJzpzY3kslg+9bew eVmKgEKSNZym+GiB5iE46MrTRea77D7yXeTTx7wvQZa5pUQclr4oTGi1ojDwdnEaqIyG ZEQ1LeFqSwQRigHKujcKzpM2mk7csj2xiZWpnjNEiwqsGQfQsW8l+24nnLNrE/Xmsi40 M7fqVLG07RcQPfY0JwXK3v7ONCut5f0HOz/YTMs9pZx3ytF8nRxM0hRFpNMUeORlmOqO bvaw== X-Gm-Message-State: APjAAAXpLRze5OyqWIlOfesQHaXz/Ksun+hTL8oQNB9rJFxTFg8hO3/r /FFrkFKLYSqJhG9pzac0WsOIe0fY/CGhxlDDlYKun5jjRYPE X-Google-Smtp-Source: APXvYqwUKLMPCVsGilywR82DgOMl8S8nXlNM4DAw4/+MPXBC9kph9vWN1fhkX08eEJ5ztd1Hs8pxMXnFldFW3iiHqxZP+FOWzVdW MIME-Version: 1.0 X-Received: by 2002:a6b:9245:: with SMTP id u66mr5976497iod.98.1574315760516; Wed, 20 Nov 2019 21:56:00 -0800 (PST) Date: Wed, 20 Nov 2019 21:56:00 -0800 In-Reply-To: <00000000000072cb6c0597635d04@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ab834f0597d4f337@google.com> Subject: Re: INFO: trying to register non-static key in io_cqring_ev_posted From: syzbot To: axboe@kernel.dk, io-uring@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, liuyun01@kylinos.cn, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: io-uring-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org syzbot has bisected this bug to: commit 206aefde4f886fdeb3b6339aacab3a85fb74cb7e Author: Jens Axboe Date: Fri Nov 8 01:27:42 2019 +0000 io_uring: reduce/pack size of io_ring_ctx bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15f98af2e00000 start commit: 5d1131b4 Add linux-next specific files for 20191119 git tree: linux-next final crash: https://syzkaller.appspot.com/x/report.txt?x=17f98af2e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13f98af2e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=b60c562d89e5a8df dashboard link: https://syzkaller.appspot.com/bug?extid=0d818c0d39399188f393 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=169b29d2e00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14b3956ae00000 Reported-by: syzbot+0d818c0d39399188f393@syzkaller.appspotmail.com Fixes: 206aefde4f88 ("io_uring: reduce/pack size of io_ring_ctx") For information about bisection process see: https://goo.gl/tpsmEJ#bisection