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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 DC76EC433B4 for ; Thu, 29 Apr 2021 17:46:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A907F613FF for ; Thu, 29 Apr 2021 17:46:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241011AbhD2Rq6 (ORCPT ); Thu, 29 Apr 2021 13:46:58 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:48994 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240931AbhD2Rq5 (ORCPT ); Thu, 29 Apr 2021 13:46:57 -0400 Received: by mail-il1-f198.google.com with SMTP id h4-20020a926c040000b0290192f4fa4c3bso12905707ilc.15 for ; Thu, 29 Apr 2021 10:46:10 -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=1DydgRsBOMclr8lyrq3i7fMITXu/lphpAdBAlh88rSU=; b=jzQ96PJSsS21iypRh4ebv7PxtV2/L4+mdtlbLSLDGQ2GIUNH1ndC3CoBRu6tFopfW1 lkKVYPFYWcvvHZgSX9gmrpoQiTN/zql48uziYi/X3jyEhC56yzH1cF3QnVcpGKlGv9iN Jtaf3rGJS94noo8faEif+sMbjDaIunOZmArYUPCXrEO6PMfv5/+lGTYdexF22Ie6sfJo TEZvMwao0vGXJBpZypGwrXlXjFIaIAS2arQqBpT42ALAwx0BRUqaUlL80aRZBIutOMfM FQ6Ue5/LcX4NLybtnFrycRbBaMHHOwYAGFsoVKMe8CmisCGilsnV1GAJ9KNHvTS5MyEu anXw== X-Gm-Message-State: AOAM533z1cqglfCqbGuLsPnSvonqSThWnvLVrjvAk0aH/5Ne/KbdYvzT Pq22rVXCwZpoBUR0QrIvzeDQFnv1MWdxz+tz+GM+kjbCCbDU X-Google-Smtp-Source: ABdhPJydPNzW45/whprBQL+Ac/2InNOOOYTRFbWB3JVZZeInMDqejiFAQUGgkQsp40t3ND/wlLTSgl6aueY1s8TPTqQh+qmzUvLA MIME-Version: 1.0 X-Received: by 2002:a92:3212:: with SMTP id z18mr672901ile.171.1619718370026; Thu, 29 Apr 2021 10:46:10 -0700 (PDT) Date: Thu, 29 Apr 2021 10:46:10 -0700 In-Reply-To: <000000000000ce433f05c11dc4e6@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000014ec7c05c12012b1@google.com> Subject: Re: [syzbot] WARNING in io_uring_setup (2) 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: linux-kernel@vger.kernel.org syzbot has bisected this issue to: commit eae071c9b4cefbcc3f985c5abf9a6e32c1608ca9 Author: Pavel Begunkov Date: Sun Apr 25 13:32:24 2021 +0000 io_uring: prepare fixed rw for dynanic buffers bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13f639edd00000 start commit: d72cd4ad Merge tag 'scsi-misc' of git://git.kernel.org/pub.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=100e39edd00000 console output: https://syzkaller.appspot.com/x/log.txt?x=17f639edd00000 kernel config: https://syzkaller.appspot.com/x/.config?x=53fdf14defd48c56 dashboard link: https://syzkaller.appspot.com/bug?extid=1eca5b0d7ac82b74d347 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15aeff43d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1747117dd00000 Reported-by: syzbot+1eca5b0d7ac82b74d347@syzkaller.appspotmail.com Fixes: eae071c9b4ce ("io_uring: prepare fixed rw for dynanic buffers") For information about bisection process see: https://goo.gl/tpsmEJ#bisection