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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE2F3C636CC for ; Wed, 8 Feb 2023 03:42:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230167AbjBHDms (ORCPT ); Tue, 7 Feb 2023 22:42:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230140AbjBHDmp (ORCPT ); Tue, 7 Feb 2023 22:42:45 -0500 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60F3D42DCD for ; Tue, 7 Feb 2023 19:42:21 -0800 (PST) Received: by mail-il1-f200.google.com with SMTP id j7-20020a056e02014700b00310d217f518so11901624ilr.2 for ; Tue, 07 Feb 2023 19:42:21 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=C0ijTKp3Y+ReIoTs9tvXRXxqziMRe2/ghZUtDpSbhEw=; b=jvlvMgQyu+inVveOLGv7GvyL3w+P01AHa/FjqFY7BijD2gjJKkg9/Ge46HrJeR1Eb5 uPOKy9WV+i0TGkMDmnLzxmX3B4KHp04+3Wd3qmqHojZS3N88a3GwKCMGRsLullsiza0z PpEdwvgTINco2Xp7LAGXNz2HDJHCPEXhPxm8s4pSRlRH9rka1V7U8UmhKSnGp4obuv7d ffB8xx3Pl7rAk8PDkMml77mS8SPopsfPuL/oZynMLYk4MmrpHfeyWSdAetAuBPJ/BoYL EZ/YZAVdkHFuceVnKVFeYISu+QWPjTzm8X4EEbV1bedIj1IShEeTITZbWGOQAOxuaSej jKbQ== X-Gm-Message-State: AO0yUKUihr8ycm/jm5AEUYYD6UGT96volZIwTvr1HbpohQ07zVt0LDy5 X/pd/xwgEGGHXHR2thah4EWAaqpNCghiUhoUaSTO9N1GS99V X-Google-Smtp-Source: AK7set/BI6nvb1YrUoci9u2DQPy2lKsoVSrrL4oG9u2PUZshosXQQos93WxRLfm2ziJVl/Qtp7JVRJ2SrH2fW+4kdI5h6t6OvjUa MIME-Version: 1.0 X-Received: by 2002:a02:b80a:0:b0:3b0:5216:258a with SMTP id o10-20020a02b80a000000b003b05216258amr3716662jam.23.1675827739260; Tue, 07 Feb 2023 19:42:19 -0800 (PST) Date: Tue, 07 Feb 2023 19:42:19 -0800 In-Reply-To: <20230208031916.1589-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001a85a605f4280d44@google.com> Subject: Re: [syzbot] general protection fault in iomap_dio_bio_iter From: syzbot To: hdanton@sina.com, 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 Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P5566 } 2654 jiffies s: 2877 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 986f457b block: convert bio_map_user_iov to use iov_it.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git iov-extract-20230207 console output: https://syzkaller.appspot.com/x/log.txt?x=1218381f480000 kernel config: https://syzkaller.appspot.com/x/.config?x=6bb1911ff9919df0 dashboard link: https://syzkaller.appspot.com/bug?extid=a4f579527ea6394140a5 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: no patches were applied.