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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8F7ADC433DB for ; Thu, 31 Dec 2020 12:21:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3CD56223E4 for ; Thu, 31 Dec 2020 12:21:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726605AbgLaMUq convert rfc822-to-8bit (ORCPT ); Thu, 31 Dec 2020 07:20:46 -0500 Received: from mail.kernel.org ([198.145.29.99]:33014 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726536AbgLaMUq (ORCPT ); Thu, 31 Dec 2020 07:20:46 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id 2C1A2223DB for ; Thu, 31 Dec 2020 12:20:05 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 209407] skb_over_panic in cdc_mbim_tx_fixup Date: Thu, 31 Dec 2020 12:20:04 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jks@iki.fi X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cf_kernel_version Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=209407 Jouni Seppänen (jks@iki.fi) changed: What |Removed |Added ---------------------------------------------------------------------------- Kernel Version|5.9.13 |5.10.4 --- Comment #3 from Jouni Seppänen (jks@iki.fi) --- Occurs in 5.10.4 too. Unfortunately the kdump tools on my system are failing to write the dmesg dump for this kernel version, but I got some log messages via a serial console. [ 649.351619] BUG: unable to handle page fault for address: ffff8c3302243000 [ 649.358522] #PF: supervisor write access in kernel mode [ 649.363766] #PF: error_code(0x0003) - permissions violation [ 649.369346] PGD 12e801067 P4D 12e801067 PUD 12e805067 PMD 10224c063 PTE 8000000102243161 [ 649.377465] Oops: 0003 [#1] SMP NOPTI [ 649.381150] CPU: 2 PID: 0 Comm: swapper/2 Kdump: loaded Not tainted 5.10.4 #1 [ 649.388292] Hardware name: PC Engines apu3/apu3, BIOS v4.12.0.2 06/28/2020 [ 649.395188] RIP: 0010:__memset+0x24/0x30 --- 8< --- [ 649.460541] kernel BUG at lib/list_debug.c:53! [ 649.468906] list_del corruption. prev->next should be ffff9c260153beb8, but was 0000000000000000 [ 649.468938] ------------[ cut here ]------------ [ 649.468943] kernel BUG at lib/list_debug.c:53! [ 649.515815] Call Trace: [ 649.518294] [ 649.520353] cdc_ncm_fill_tx_frame+0x821/0x950 [cdc_ncm] [ 649.525722] cdc_mbim_tx_fixup+0x1fb/0x260 [cdc_mbim] [ 649.530822] usbnet_start_xmit+0x71/0x740 [usbnet] The failing kdump-tools output is [ 53.583779] kdump-tools[844]: The kernel version is not supported. [ 53.601995] kdump-tools[844]: The makedumpfile operation may be incomplete. [ 53.610833] kdump-tools[844]: The dumpfile is saved to /var/crash/202012311403/dump-incomplete. [ 53.629930] kdump-tools[844]: makedumpfile Completed. [ 53.651012] kdump-tools[844]: kdump-tools: saved vmcore in /var/crash/202012311403. [ 57.611244] kdump-tools[844]: running makedumpfile --dump-dmesg /proc/vmcore /var/crash/202012311403/dmesg.202012311403. [ 57.630883] kdump-tools[844]: dump_dmesg: Can't find some symbols for log_buf. [ 57.649968] kdump-tools[844]: The kernel version is not supported. [ 57.665919] kdump-tools[844]: The makedumpfile operation may be incomplete. [ 57.681790] kdump-tools[844]: makedumpfile Failed. [ 57.704245] kdump-tools[844]: kdump-tools: makedumpfile --dump-dmesg failed. dmesg content will be unavailable ... failed! [ 57.727124] kdump-tools[844]: kdump-tools: failed to save dmesg content in /var/crash/202012311403 ... failed! -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.