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 53E8BC433F5 for ; Wed, 18 May 2022 06:45:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231517AbiERGpQ (ORCPT ); Wed, 18 May 2022 02:45:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231521AbiERGpJ (ORCPT ); Wed, 18 May 2022 02:45:09 -0400 Received: from mail-il1-f199.google.com (mail-il1-f199.google.com [209.85.166.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 35174DE338 for ; Tue, 17 May 2022 23:45:08 -0700 (PDT) Received: by mail-il1-f199.google.com with SMTP id x3-20020a056e021bc300b002d13f8bad89so738562ilv.18 for ; Tue, 17 May 2022 23:45:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=bbNknpHMvvRBOmWc8Xg3T+LYindwAK7z0wniwQ/gaIk=; b=Czh9u47BpXuE+Mge9zyNWkQ5Zy1BqRj/bUPw3GlfqUJNVkgZbI1jKJXwgk2GIzMG2D CpDj3Vsx4g+llho6Mygq/uL+8sG8faIinCqmZfFMSoL7f9a1t1tcV2+AzPXU35WzGsIk HChWgQf+Tfk3mA48D/YtgHx1/StW6g8eFaDRVZbBGTOcPPBjqU/TX5C837g9my2D81lE suZwlWX2bDNaemUowT5BUliFCs0pWKMFJglsI9moYOtiHPWREZWFarLNriTBKZkqggZv NXVP/GgetzzURm5M8rPDBidBCEMacKrwzNxsiyv6CvFfvdAUjWMwkKlAf3/XP26hG7LX G3Lw== X-Gm-Message-State: AOAM531Xgae4+1D8rV+mNvJxnlaO6gzXvi/WB3/ZK+oJ9QlQwmV0Qndx fjDG9hXlLdIUaWjmNm/Irjbsnp14+Gp8VhbR2Ko5PX2btA3X X-Google-Smtp-Source: ABdhPJx/0yH3kyKaF/QZJcNSwH2Q3v9poWe68iePLJnroqJoqiM3lg/+Ivn7R++RLGMwx4HPQb03JnaMFcFY3BVcNv/q30v9cauc MIME-Version: 1.0 X-Received: by 2002:a05:6638:3711:b0:32b:ca0b:8a32 with SMTP id k17-20020a056638371100b0032bca0b8a32mr14405686jav.267.1652856307625; Tue, 17 May 2022 23:45:07 -0700 (PDT) Date: Tue, 17 May 2022 23:45:07 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000014b2d605df43994d@google.com> Subject: Re: [syzbot] WARNING in mntput_no_expire (3) From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk 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 and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+5b1e53987f858500ec00@syzkaller.appspotmail.com Tested on: commit: a9171431 percpu_ref_init(): clean ->percpu_count_ref o.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git proposed-fix kernel config: https://syzkaller.appspot.com/x/.config?x=79caa0035f59d385 dashboard link: https://syzkaller.appspot.com/bug?extid=5b1e53987f858500ec00 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. Note: testing is done by a robot and is best-effort only.