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=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 D9C02C433B4 for ; Thu, 29 Apr 2021 14:00:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8BA2161407 for ; Thu, 29 Apr 2021 14:00:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237302AbhD2OAz (ORCPT ); Thu, 29 Apr 2021 10:00:55 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:41686 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233862AbhD2OAx (ORCPT ); Thu, 29 Apr 2021 10:00:53 -0400 Received: by mail-il1-f197.google.com with SMTP id m4-20020a9287040000b0290166e96ff634so35064297ild.8 for ; Thu, 29 Apr 2021 07:00:06 -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=RGZQlqYRDcws6lKbGiNkhAc8TLY6zhzM1dhv48k3sxc=; b=XaWvUhogM4ioT/CoqLuRGq58w09gsOUW+wDWWBhJfsMwkxWt1altAcmMrdx9Z+Da/n BdsMeDt/9sMfy2AR4SzICEfS/wzRqy5ANUpkBamytn3uRTL3P2+t6uNh3NtyfDi9u2+w RGENJaQU6Dpxuj8egaP/GSPQIeTfgG7ZFbcmMoUfRAykfNPc+BVs8IxwdvfZO1djxI3V 7Z12W4IYuQT3kX1VgKrzCOEWvjmZcBf8Xfh0QaB1mDFlIeGlCyzlDI59nu5Cglg5tcD/ nzuv5yHy9gp3sALSGXZlinCpZFhzGk1sz/yLhyFijAEmyePdUvn/BpMXuCdLu3dKJjKU gSsg== X-Gm-Message-State: AOAM530p7l27DUexb2JtByV+s431b8Cv+ZgtGGOTT5KkeGIvrFHuMm7g J0dA/VA07UVaMWWi0kPSckkPV1fxtp41Sg+z6fnMqds4Nvm9 X-Google-Smtp-Source: ABdhPJzuadjvDEHr9FHFGBzYheTEwO+GMWuYnAix7ZVEK/4HZPPAE5I0GJqznk7dtb2LAXrPUSmq6sKslvhgmpGf5WVREMCYuE7p MIME-Version: 1.0 X-Received: by 2002:a02:3406:: with SMTP id x6mr6293704jae.137.1619704804712; Thu, 29 Apr 2021 07:00:04 -0700 (PDT) Date: Thu, 29 Apr 2021 07:00:04 -0700 In-Reply-To: <000000000000b23f7805c119dee8@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000086cb9005c11ce9e8@google.com> Subject: Re: [syzbot] WARNING in io_rsrc_node_switch 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 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=14498f59d00000 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=16498f59d00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12498f59d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=65c207250bba4efe dashboard link: https://syzkaller.appspot.com/bug?extid=a4715dd4b7c866136f79 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11893de1d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=161c19d5d00000 Reported-by: syzbot+a4715dd4b7c866136f79@syzkaller.appspotmail.com Fixes: eae071c9b4ce ("io_uring: prepare fixed rw for dynanic buffers") For information about bisection process see: https://goo.gl/tpsmEJ#bisection