From nobody Thu Oct 2 15:20:33 2025 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6DBE41E7C2E; Mon, 15 Sep 2025 13:23:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757942607; cv=none; b=uXOV1BGD7MNr9YJQe60Vl0ioe6B8Ap0Sdi71gNCzI1TbX2Wf9NPjxdz6/NJpF/z+HoquuB5L63AjlwAgB/tolyYZlebFahXUTXDqbKEe6hcQ894187Z8f7/sRd5eyHw3CH7RFy6X9Hh2KJgh1S3/P6ktRZrLew8sYJI3MgvwU+U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757942607; c=relaxed/simple; bh=5JmUo5wzYdhjJxAOdK8joBgBIJLjs1DAmnWDAuzwHGg=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=usNbgFG7rBUnKq3rV+zZLjlCovdOSgBwHO8M8oOa1MmBLST/KdrMA1knaP/teUSsP4JR4ewmxkRWPHXpsbVVJNa2K+dEDpAcSNr/b8pC4sWciycrIZZaV1mAFa/hhh6BxSykDFIQ3n8UTx9iCapwfnUMCD33s0l4MVqEIPt3Vwc= 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=UqXRCsen; arc=none smtp.client-ip=117.135.210.4 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="UqXRCsen" 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=UqXRCsen4uouXLYJ+z 1WqEpLJW0Zb64BVdCQe9hF3QBvTYb/WSH9U3ZlULMw1qYE6a2l54oO3zbdBDCD0H X47TmEmnoMGCJrNcR6mIRvmegNNO9urGa2fe78BQ+LTd09J00e7gqJHahYWD4HUE SyItiOtDncSg/bGwR33IQiEwo= Received: from localhost.localdomain (unknown []) by gzsmtp3 (Coremail) with SMTP id PigvCgCXqX49E8hoEW5WDA--.46102S4; Mon, 15 Sep 2025 21:23:10 +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 RESEND] fs/ntfs3: Fix a resource leak bug in wnd_extend() Date: Mon, 15 Sep 2025 21:23:07 +0800 Message-Id: <20250915132307.183674-1-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: PigvCgCXqX49E8hoEW5WDA--.46102S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7XF4kXw15XrW8Kr1fKr1kGrg_yoWxAFX_Ga s7Ca48X3y5JFn8K3WkWr90vws7Xw4rK3WkGrZFvFyDta4DXa90qrsYyrs3twsYgay7uFWr Jr9aqrZak34fWjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRAAwIUUUUUU== X-CM-SenderInfo: xkdr5xpdqjszblsqjki6rwjhhfrp/xtbBEgfJbmjIEfcqUQAAsP 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