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[2620:137:e000::1:20]) by mx.google.com with ESMTP id m11-20020a056402510b00b0045d5a712e82si20760043edd.586.2022.11.10.07.56.47; Thu, 10 Nov 2022 07:57:11 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.cz header.s=susede2_rsa header.b=Zwr+QbfN; dkim=neutral (no key) header.i=@suse.cz header.s=susede2_ed25519 header.b=ckKcm3aQ; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231342AbiKJPfe (ORCPT + 92 others); Thu, 10 Nov 2022 10:35:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229675AbiKJPf1 (ORCPT ); Thu, 10 Nov 2022 10:35:27 -0500 Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C86AB5F79; Thu, 10 Nov 2022 07:35:26 -0800 (PST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 8096F22959; Thu, 10 Nov 2022 15:35:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_rsa; t=1668094525; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VWGMqcTvBUZ8KkaaYB6Ti/Idg8VHTx4i1REOZXrCybU=; b=Zwr+QbfNeqhdMZKg/EYhU8sbL+O+Id4gEizDyosW9Hmty+AdDMK8Lh73iQ0LV1eT6O7JKg XA6upqwiZSXyNWyq/0yyi89ADnes80ZAGbH+xvcgJF18SkVUaPWp8In4VkV+YU+Lqp/vz3 z/d5P2ssa0R34Edia9GVs/ogpT7SvtU= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.cz; s=susede2_ed25519; t=1668094525; h=from:from:reply-to:reply-to:date:date:message-id:message-id:to:to: cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VWGMqcTvBUZ8KkaaYB6Ti/Idg8VHTx4i1REOZXrCybU=; b=ckKcm3aQh5xEIIBrzVJX/5fq1x7GMTFJzLy5pyhCFD147knrpBEFzTz7uh7D42tcochrmf DAXP8IBzGW0VjpCQ== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 4894813B58; Thu, 10 Nov 2022 15:35:25 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id Kqa8ED0abWOeSwAAMHmgww (envelope-from ); Thu, 10 Nov 2022 15:35:25 +0000 Date: Thu, 10 Nov 2022 16:35:02 +0100 From: David Sterba To: ChenXiaoSong Cc: clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, zhangxiaoxu5@huawei.com Subject: Re: [PATCH] btrfs: qgroup: fix sleep from invalid context bug in update_qgroup_limit_item() Message-ID: <20221110153502.GH5824@suse.cz> Reply-To: dsterba@suse.cz References: <20221110141342.2129475-1-chenxiaosong2@huawei.com> <20221110144630.GF5824@suse.cz> <3198e463-2002-dc08-6d27-d4d0468b6da8@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3198e463-2002-dc08-6d27-d4d0468b6da8@huawei.com> User-Agent: Mutt/1.5.23.1-rc1 (2014-03-12) X-Spam-Status: No, score=-3.7 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_SOFTFAIL autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 10, 2022 at 10:59:56PM +0800, ChenXiaoSong wrote: > I have _no_ link to the report, I just reproduce it in my own qemu vm, > and _no_ c or syz repro. I see, we've got several reports from syzbot, I thought you're fixing one of them.