From nobody Mon Feb 9 23:02:04 2026 Received: from relayaws-01.paragon-software.com (relayaws-01.paragon-software.com [35.157.23.187]) (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 42E0F26AD0; Thu, 16 May 2024 12:20:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=35.157.23.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715862058; cv=none; b=uHQvI+U67U1H8gIA/2z3OB1hBc2DZ0sQfRCmIXSjTWrhozC7E6DKajglVw2htcRlPsL6BNXOHQSAe2xQOKHTr4cfNbf4Yu37K700vemOIaXStp9mouWaHNMAX1ZKTvyY/FkXRRven2wcd3hP+vhrq7yvF3gG5VKO7byZpGt9NxM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715862058; c=relaxed/simple; bh=F9eh9r9r/qZd5F49xlN6/fKmFGQdqoJZjiCsTZHQf9A=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=QPQAZS+J1OV/4leNlmXpsO6oQ+R82rQv6fiLTmiPgBxjmaYI+RDEJz+q8y6CsXm+uX3/Y6t5tVDmAMieorAGcxxrn4rLkX9wobjXfz3L4zEVVr6DXfjMpsWAs6A9n7k+42bwW9tEfihPNi0W4V6vYP0Sw9o3WgYLm5iSd/oxHWE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=paragon-software.com; spf=pass smtp.mailfrom=paragon-software.com; dkim=pass (1024-bit key) header.d=paragon-software.com header.i=@paragon-software.com header.b=AO3xszRr; arc=none smtp.client-ip=35.157.23.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=paragon-software.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=paragon-software.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=paragon-software.com header.i=@paragon-software.com header.b="AO3xszRr" Received: from dlg2.mail.paragon-software.com (vdlg-exch-02.paragon-software.com [172.30.1.105]) by relayaws-01.paragon-software.com (Postfix) with ESMTPS id CD4571F86; Thu, 16 May 2024 12:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=paragon-software.com; s=mail; t=1715861591; bh=138ZE/h5TNiCrz7tQ1X/Ht+h28eqyF8ISqvZy/ijiIs=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=AO3xszRrpn//tE5QGQZfFt7paqIrVePppoqB/v1/Gr88dJxUB2Uq0VurNp+bgqC5s 9XIrJFaIdNLPuB3dAzagT35Gzq80l9M/SGozoj5pxWzi+ChCFTDYZEkPSFxbce8hy4 o6s3X2ftvhxYQa/1bYZVTdb+1sl3lOwtt3HvbELA= Received: from ntfs3vm.paragon-software.com (192.168.211.154) by vdlg-exch-02.paragon-software.com (172.30.1.105) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Thu, 16 May 2024 15:20:54 +0300 From: Konstantin Komarov To: CC: , , Konstantin Komarov , Subject: [PATCH v2] fs/ntfs3: Break dir enumeration if directory contents error Date: Thu, 16 May 2024 15:20:41 +0300 Message-ID: <20240516122041.5759-1-almaz.alexandrovich@paragon-software.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240423144155.10219-2-almaz.alexandrovich@paragon-software.com> References: 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-ClientProxiedBy: vdlg-exch-02.paragon-software.com (172.30.1.105) To vdlg-exch-02.paragon-software.com (172.30.1.105) Content-Type: text/plain; charset="utf-8" If we somehow attempt to read beyond the directory size, an error is supposed to be returned. However, in some cases, read requests do not stop and instead enter into a loop. To avoid this, we set the position in the directory to the end. Signed-off-by: Konstantin Komarov Cc: stable@vger.kernel.org --- fs/ntfs3/dir.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ntfs3/dir.c b/fs/ntfs3/dir.c index 5cf3d9decf64..45e556fd7c54 100644 --- a/fs/ntfs3/dir.c +++ b/fs/ntfs3/dir.c @@ -475,6 +475,7 @@ static int ntfs_readdir(struct file *file, struct dir_c= ontext *ctx) vbo =3D (u64)bit << index_bits; if (vbo >=3D i_size) { ntfs_inode_err(dir, "Looks like your dir is corrupt"); + ctx->pos =3D eod; err =3D -EINVAL; goto out; } --=20 2.34.1