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 15C24C433FE for ; Thu, 13 Oct 2022 17:39:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229679AbiJMRjP (ORCPT ); Thu, 13 Oct 2022 13:39:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42074 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbiJMRjM (ORCPT ); Thu, 13 Oct 2022 13:39:12 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2EF1D77F0 for ; Thu, 13 Oct 2022 10:39:11 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id l1-20020a17090a72c100b0020a6949a66aso2522917pjk.1 for ; Thu, 13 Oct 2022 10:39:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=BOJAES6tNu6Y/rEU3NZMbDi0UCSM39vMiEfPAnDU2yQ=; b=hqMNGhsAO1Gb8GaQkHCXoY5euH9kqlooRcX7lMwFx2RvH90BkvATWR2BqMdGC5Wqvx MTfM3bPDi2Gz3qzbwsIuUa6Fu6oD+cPUxUgdfZxNBR4UTaipUshWY9GGGNh91V8b0SRA FApTTqURY8cHXtBRwwtEVyjW+HtgYBQLxX9W/DRWXH2SzcNrmpfPwTXiTiGPOJw7Okg+ 7ujuMpqR0rhHZwP2wDKZWHFxT1ow8hOrC1SkRMUVwO7wmIneyWAFFoiY640ajLohcUAe 1uZLOWuDZ/zy98Z3/GL9qJIADWZsQEdkkewbXxwSMI4H/QF9Hc4OWZ9COPBgBD2I26mK AR9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BOJAES6tNu6Y/rEU3NZMbDi0UCSM39vMiEfPAnDU2yQ=; b=TPyDz2E6ydO89jADWG4p/8ICxSprg3Qs3RiV4I3JvzFeZSPgzYJY/YZVMa3EUI96ov OjUNg+I4dr2JwZe65Pu9tKxV2XKHeVbgm7K7rog+chqDdqPK6uRmBrx/tmnct0L3WQ+f uOKtexYfNwsSZVqGrZKTYt0XDhgEI7135c4ZSs1v0RKiUxvRnVXtzWq5mzz6Gry2QIOy QYK5dcXgMTXGq1Fsp+Yhox4oyBqYsMXz/BtFout187y4dkX+1daJ99SGywyUYcvY1Gf3 1bmieM8oGSzN0hdnP62DD/n/s5kAJSy/cetG4Yy334Pd/cWGQNfhE0ctqQXyu3SGv8ul QiWQ== X-Gm-Message-State: ACrzQf159BwogIzBOb/rpAvmeF/zoin2Ww7+LMGS7YkQCu6tQP2dVglw +/QwJ6eLug3iGbEGLGgFO58= X-Google-Smtp-Source: AMsMyM6Pwwj1EjhSnByt5dcTN1pcj5GeOJQJvswZ4TxAF89Dt8b/fSdi0P0ZtEUxWzfpApkpPv+uxQ== X-Received: by 2002:a17:90a:dc05:b0:20a:d73b:53a3 with SMTP id i5-20020a17090adc0500b0020ad73b53a3mr1003054pjv.67.1665682751152; Thu, 13 Oct 2022 10:39:11 -0700 (PDT) Received: from localhost (2603-800c-1a02-1bae-a7fa-157f-969a-4cde.res6.spectrum.com. [2603:800c:1a02:1bae:a7fa:157f:969a:4cde]) by smtp.gmail.com with ESMTPSA id f206-20020a6238d7000000b005624e9b3e10sm2280130pfa.210.2022.10.13.10.39.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 13 Oct 2022 10:39:10 -0700 (PDT) Sender: Tejun Heo Date: Thu, 13 Oct 2022 07:39:09 -1000 From: Tejun Heo To: Dmitry Vyukov Cc: syzbot , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] BUG: sleeping function called from invalid context in kernfs_walk_and_get_ns Message-ID: References: <0000000000002b89b205ead703ff@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 13, 2022 at 09:38:37AM +0200, Dmitry Vyukov wrote: > What is the fix? > syzbot needs it to close the bug and report similarly looking issues in future. 46307fd6e27a ("cgroup: Reorganize css_set_lock and kernfs path processing") Thanks. -- tejun