From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=202.108.3.22 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792575654; b=v93+5S/POQSILV+LBK0/XOAESelLOGrTJE/eXjr8XCkLa8OWoOhrbRr2KOaEADQ20VAl G94JsDcPS6ztOwa/uu9AbZ8wsWJdo62psO53ZsOqL7n+/VNjcgOCUpBFywGbgr+tGxHsn BNJuSBd89m/5Xq3CqtOlOiLBluPImY0vhV7tBcH4+cykSuIL8tHYvxw386a2dmzKOp25c ENoJWXGmDbm/zo/ONhAItSKOlQHtlUVvErXFtAsk4CCiM7HTVjNIaS4lrhFkihg7+vkY+ IEDirX+cdF1pT3uhrHC1W6jBgK6/bxaIcR3Ydg9Oj8hXdCsFKeMiGHcBSoHFdshNb7w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792575654; h=DMARC-Filter:DKIM-Signature:X-SMAIL-HELO:Received:X-Sender:X-Auth-ID: X-SMAIL-MID:X-SMAIL-UIID:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding; bh=vSwETkh3wkOi+VGFHHaGts/46wLig1NK9Uvkn+ZTxeY=; b=ay4NkaXnIMPZszBX/jwIA0t31qO57tGz+kgjDKmhkcp5vIQf9ISJYMJi5IwySKJ+TWYv lk69VOaP0lWZ/9MXbtfBDTkOkVvdMQf5QH2VV2baoyHLne+dJWmRKGGe0jEouGVDkxE2J O+wYhTyUIWYetzDj7V2163yLBEgubDthhrL/Uiu45UGw8Z7Bf90aMaQWhk+EoR9ia25FC whZA6DKPoBtKGt/fLDJAjK+VetJPB3VUMs7tRQExetd5LDVjKhamNO18QLtGt0V8C3qZv Aclj8IN2WEn140USWQmQSzNNaU6csqBWkAgD84bboyplqQWFfsXchjHpUFhbkUTppiw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass header.d=sina.com header.i=@sina.com header.a=rsa-sha256 header.s=201208 header.b=v5LrxsI6; arc=none smtp.remote-ip=202.108.3.22 Received: from r3-22.sinamail.sina.com.cn (r3-22.sinamail.sina.com.cn [202.108.3.22]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C3B99606A319 for ; Wed, 21 Oct 2026 09:40:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org C3B99606A319 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=sina.com header.i=@sina.com header.a=rsa-sha256 header.s=201208 header.b=v5LrxsI6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1792575652; bh=vSwETkh3wkOi+VGFHHaGts/46wLig1NK9Uvkn+ZTxeY=; h=From:Subject:Date:Message-ID; b=v5LrxsI6sydxvmftDEqwzbYHAfsfAE2GtSElV0cR/7kX0Tn3vG1Ltzzoj8DX25m0E BdUaH6oReDrVkU6PPQLu+UizLJmyGVQrOzQ2Khg03xlwWDWjalxZpSCs6xOwMBq59R HZkngk/zfD1S3ZWmaF342Gof97BrqrQp5c2d2cJE= X-SMAIL-HELO: lxu-ped-host.. Received: from unknown (HELO lxu-ped-host..)([111.198.231.89]) by sina.com (10.54.253.33) with ESMTP id 6AD8889600004738; Wed, 21 Oct 2026 17:40:42 +0800 (CST) X-Sender: eadavis@sina.com X-Auth-ID: eadavis@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=eadavis@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=eadavis@sina.com X-SMAIL-MID: 1257776685464 X-SMAIL-UIID: 986BE175D99045DF8BF9DC36494E31A9-20261021-174042-1 From: Edward Adam Davis To: syzbot+4fae162886e497f72228@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] kernel BUG in create_default_group... Date: Wed, 21 Oct 2026 17:40:37 +0800 Message-ID: <20261021094037.61096-1-eadavis@sina.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <6ad65cac.5a04d468.191e0a.001c.GAE@google.com> References: <6ad65cac.5a04d468.191e0a.001c.GAE@google.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Edward Aadm Davis #syz test: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 58161ead29e5 diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index eda80c2a2d38..edc5a7419ad9 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -1605,6 +1605,9 @@ static int configfs_dir_open(struct inode *inode, struct file *file) struct configfs_dirent * parent_sd = dentry->d_fsdata; int err; + if (!configfs_dirent_is_ready(parent_sd)) + return -EAGAIN; + inode_lock(d_inode(dentry)); /* * Fake invisibility if dir belongs to a group/default groups hierarchy