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 C77B0C4332F for ; Fri, 10 Nov 2023 19:28:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229678AbjKJT23 (ORCPT ); Fri, 10 Nov 2023 14:28:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236216AbjKJT2Q (ORCPT ); Fri, 10 Nov 2023 14:28:16 -0500 Received: from mail-pg1-f198.google.com (mail-pg1-f198.google.com [209.85.215.198]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85E0524C10 for ; Fri, 10 Nov 2023 01:38:04 -0800 (PST) Received: by mail-pg1-f198.google.com with SMTP id 41be03b00d2f7-5b7fb057153so2017953a12.1 for ; Fri, 10 Nov 2023 01:38:04 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699609084; x=1700213884; 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=8e3Mie9vqeABq5CdBOwS6PJBw1upFX7qypx2Dl9hvok=; b=caO4ri/P9MBwYnxcTdQ2R/9sdNiNZec8Vrl5WZsZjQVI6VFuSxYODCnKfv7o8h+ag+ R8Wbuj8D7+Uh3UmkLzLy5VPejB8k9ZA5DYOpswIEBZHmToiOEyg5yYbHk2ryUmcnYsKC JJPaJkSVBM6t+EwfS00cdVELekIOT7znE/OLQ34pB4MtNsHcI1BFd2Czi0x2MERY9zo0 JZ7BmPDmkb15sGXTr1HaU/3ydXuFDqMsjnPeYeo9pfUBy0Gi1aHxJwF3cAlJyi8NdR5t 1pWtpTG+OngFDBhV90VkvGzWiAoZQZ5DYuYoIhGiHQCe8rNXfK047JQ3iyWCFvWlh44d GmDg== X-Gm-Message-State: AOJu0YxYYMjy2wIxPa3mKmNUSp4V9wDgivkGOocYfW6Ag9alg5D2cKNE QGe0JCgevWdJTwAT2oSGBi8CQy5yvUdsdq9q/Ydor8m6cLpOn2c= X-Google-Smtp-Source: AGHT+IEzpP8yIFetn8tGZtkd1FzegaQBbbwFt2guVI0gceWQp0pthzKi47Dwkea6ppYXgmO61oEo7cd1DD/JtD/kyjryIgbx20zw MIME-Version: 1.0 X-Received: by 2002:a65:6448:0:b0:585:6402:41e4 with SMTP id s8-20020a656448000000b00585640241e4mr1077680pgv.7.1699609084036; Fri, 10 Nov 2023 01:38:04 -0800 (PST) Date: Fri, 10 Nov 2023 01:38:03 -0800 In-Reply-To: <20231110062620.819348-1-lizhi.xu@windriver.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b60b4e0609c9131b@google.com> Subject: Re: [syzbot] [btrfs?] WARNING in create_pending_snapshot From: syzbot To: linux-kernel@vger.kernel.org, lizhi.xu@windriver.com, 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: WARNING: lock held when returning to user space in btrfs_ioctl_qgroup_create BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) BTRFS info (device loop0): checking UUID tree ================================================ WARNING: lock held when returning to user space! 6.6.0-syzkaller-15365-g305230142ae0-dirty #0 Not tainted ------------------------------------------------ syz-executor.0/5537 is leaving the kernel with locks still held! 3 locks held by syz-executor.0/5537: #0: ffff88806e8a2608 (sb_internal#2){.+.+}-{0:0}, at: btrfs_ioctl_qgroup_create+0x103/0x200 fs/btrfs/ioctl.c:3802 #1: ffff888052082390 (btrfs_trans_num_writers){++++}-{0:0}, at: join_transaction+0x401/0xce0 fs/btrfs/transaction.c:294 #2: ffff8880520823b8 (btrfs_trans_num_extwriters){++++}-{0:0}, at: join_transaction+0x401/0xce0 fs/btrfs/transaction.c:294 Tested on: commit: 30523014 Merge tag 'pm-6.7-rc1-2' of git://git.kernel... git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=17cb5797680000 kernel config: https://syzkaller.appspot.com/x/.config?x=beb32a598fd79db9 dashboard link: https://syzkaller.appspot.com/bug?extid=4d81015bc10889fd12ea compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=11c9591f680000