From nobody Tue Oct 7 17:46:29 2025 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.5]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0AD4C29B23E; Tue, 8 Jul 2025 08:01:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.5 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751961700; cv=none; b=W1sLGHxu6DRhlTKVwbCLWusEtmxgtpUN3E6l19I461vd1XYQbHLgqa+JRFVzty3vOWLoUWgp6Lvpm/PY8e21UB6g0bTqEZ+5G3RaK4q/F2TYOkTvt2JAe5rQI/+9lAr1mYboKXzGBWniIlrUiarQ29gZC1QUieWHoVL0sId2jyA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751961700; c=relaxed/simple; bh=5JmUo5wzYdhjJxAOdK8joBgBIJLjs1DAmnWDAuzwHGg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=BjxssyFwapkXX8TyBUDCETNegsqoDyTzX6enCIzbRqUJHi+tVFEFiFLWcNTjKCS0PamW2dMaKFaZFSMUhzwTxB77cU6UFio4Xb/Kzvh+6qKR3rOx8107Y+D1eX7rXaR4KnTjGMS6RItWSQf94M5Xb9rdMBigt+0jEWcBgdtxIiY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Ce1AwGmR; arc=none smtp.client-ip=117.135.210.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Ce1AwGmR" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=u8 qA80TU+qvZWZGpZXUYmlo1JufyjuXgNsy8o8OtuNQ=; b=Ce1AwGmRbvmVr5RitY 0klvgv6YfNyQu7CSZM+c/cr8lc74x1gZa9BC70zSS3p8JCLc4H6JkFG4clyC8VC6 kS5WSms0MFqE6gYyZDtNXb/oNVFBa9mvHCgs7aioHeRY40rUyFWXb8yyJBdFkPTy lF/dQWt5XineJqOfM2ynNMge0= Received: from icess-ProLiant-DL380-Gen10.. (unknown []) by gzsmtp2 (Coremail) with SMTP id PSgvCgCXcYxL0Gxot6ERAg--.61762S4; Tue, 08 Jul 2025 16:01:16 +0800 (CST) From: Haoxiang Li To: almaz.alexandrovich@paragon-software.com Cc: ntfs3@lists.linux.dev, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] fs/ntfs3: Fix a resource leak bug in wnd_extend() Date: Tue, 8 Jul 2025 16:01:13 +0800 Message-Id: <20250708080113.2870200-1-haoxiang_li2024@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: PSgvCgCXcYxL0Gxot6ERAg--.61762S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7XF4kXw15XrW8Kr1fKr1kGrg_yoWxAFX_Ga s7Ca48X3y5JFn8K3WkWr90vws7Xw4rK3WkGrZFvFyDta4DXa90qrsYyrs3twsYgay7uFWr Jr9aqrZak34fWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7xRC38eUUUUUU== X-CM-SenderInfo: xkdr5xpdqjszblsqjki6rwjhhfrp/xtbBkBmEbmhszu8vkAAAs5 Content-Type: text/plain; charset="utf-8" Add put_bh() to decrease the refcount of 'bh' after the job is finished, preventing a resource leak. Fixes: 3f3b442b5ad2 ("fs/ntfs3: Add bitmap") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- fs/ntfs3/bitmap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ntfs3/bitmap.c b/fs/ntfs3/bitmap.c index 04107b950717..65d05e6a0566 100644 --- a/fs/ntfs3/bitmap.c +++ b/fs/ntfs3/bitmap.c @@ -1371,6 +1371,7 @@ int wnd_extend(struct wnd_bitmap *wnd, size_t new_bit= s) mark_buffer_dirty(bh); unlock_buffer(bh); /* err =3D sync_dirty_buffer(bh); */ + put_bh(bh); =20 b0 =3D 0; bits -=3D op; --=20 2.25.1