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 38353C4332F for ; Sat, 10 Dec 2022 07:24:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229683AbiLJHYZ (ORCPT ); Sat, 10 Dec 2022 02:24:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53228 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229468AbiLJHYX (ORCPT ); Sat, 10 Dec 2022 02:24:23 -0500 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9E4AA1F2DA for ; Fri, 9 Dec 2022 23:24:22 -0800 (PST) Received: by mail-il1-f199.google.com with SMTP id x9-20020a056e021ca900b003037ca1af0cso1397514ill.16 for ; Fri, 09 Dec 2022 23:24:22 -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=g+a9Ql9iwWvSSIQfP/aoYCXm5wknpc2hGGVoKjPNBRU=; b=xkDNl/HRyb+Ajn7G+Vt5I+h9p2mTwWn1uaJkQ52SO30Fwd9IinQxL+mea0qhBzvj2W 437wZ6usTZRHE3gdEfarK/sIHToBZ1quLjiCZlYSRJeN4J4LSL80vrljW27YkXkEk845 oDZBvHO/l5cponI3+soQwJlBtAs7QBdCN878I4bHIwt12ler1ZJZaPQ6dZrGT0UFJtM7 lEvr8HludIvs/JLPgcH5kyI8lh2pkODnvdBMiG6cwFiVYWFWL89YvjkUg9zPSSLaFDOa JxVnkAWSpYR4oIVgcAjeFdGhvfrJjj3la0JScZCaSMHydEv3dle1Whg+dJBuxlaXl5Pu bqWg== X-Gm-Message-State: ANoB5plizL1MQ28lIBigAs6PzpOcQ6Dn6p3bVGFduTQiHYCehDWa4QO6 /cxUH/yY9ClP5MU8JmiS2tNRRm+m31Tof5Dl6ccwh2GLCdf6 X-Google-Smtp-Source: AA0mqf7VNRH/XCjri7PycICQMeqjl0/JRHkrzBmIHP89YY01jEf4ioRJpLCxDCzAaBdGVTNrWuutB/s3ZDmpUrMlO7VFlcKBWQQZ MIME-Version: 1.0 X-Received: by 2002:a05:6e02:5ac:b0:303:9599:52b6 with SMTP id k12-20020a056e0205ac00b00303959952b6mr413152ils.58.1670657061497; Fri, 09 Dec 2022 23:24:21 -0800 (PST) Date: Fri, 09 Dec 2022 23:24:21 -0800 In-Reply-To: <20221210011440.2050-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b133c805ef74280a@google.com> Subject: Re: [syzbot] WARNING in do_mkdirat 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: { P4107 } 2635 jiffies s: 2829 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug): Tested on: commit: 0d1409e4 Merge tag 'drm-fixes-2022-12-09' of git://ano.. git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=14f4750b880000 kernel config: https://syzkaller.appspot.com/x/.config?x=d58e7fe7f9cf5e24 dashboard link: https://syzkaller.appspot.com/bug?extid=919c5a9be8433b8bf201 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=1070ffdf880000