Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 22 Oct 2002 18:30:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 22 Oct 2002 18:30:07 -0400 Received: from smtp2.mail.be.easynet.net ([212.100.160.76]:27352 "EHLO koshin.mail.be.easynet.net") by vger.kernel.org with ESMTP id ; Tue, 22 Oct 2002 18:30:06 -0400 Message-ID: <3DB5D415.4010604@easynet.be> Date: Wed, 23 Oct 2002 00:41:25 +0200 From: Luc Van Oostenryck User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.0) Gecko/20020605 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Kernel mailing list Subject: Oops in 2.5.44's fs/block_dev.c:do_open() when trying to mount a badly formated floppy Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 905 Lines: 23 Offending code is: 663 if (bdev->bd_invalidated) 664 rescan_partitions(disk, bdev); 665 } else { 666 down(&bdev->bd_contains->bd_sem); 667 bdev->bd_contains->bd_part_count++; 668 if (!bdev->bd_openers) { 669 struct hd_struct *p; 670 p = disk->part + part - 1; ^^^^^^^^^^ this is NULL when the floppy is badly formatted The problem is not present in 2.5.43, but is also present in 2.5.44-ac1 Luc Van Oostenryck - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/