Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4F41C678D5 for ; Wed, 8 Mar 2023 01:37:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229793AbjCHBhY (ORCPT ); Tue, 7 Mar 2023 20:37:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229456AbjCHBhX (ORCPT ); Tue, 7 Mar 2023 20:37:23 -0500 Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [148.163.129.52]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BC8F41B4B for ; Tue, 7 Mar 2023 17:37:22 -0800 (PST) X-Virus-Scanned: Proofpoint Essentials engine Received: from mail3.candelatech.com (mail2.candelatech.com [208.74.158.173]) by mx1-us1.ppe-hosted.com (PPE Hosted ESMTP Server) with ESMTP id 96F58700082 for ; Wed, 8 Mar 2023 01:37:20 +0000 (UTC) Received: from [192.168.1.115] (unknown [98.97.39.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail3.candelatech.com (Postfix) with ESMTPSA id 0999813C2B0 for ; Tue, 7 Mar 2023 17:37:19 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 0999813C2B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1678239440; bh=r8kdAJrJdP3L2afYhN0iFmWocOJyu9b8FESzw+qQ3AA=; h=To:From:Subject:Date:From; b=dimP4Nhx8tq1RsapPedHEFlQUbyOXJEM7tVAkqJIqXY7uRVBjkPEXjBuflU+5dOpn F5Z4EfDbqB3+krrHEI0SNrOFmfWuoORDjqgBpQ3iDsjUpRJuCqDrBHfQnclzm6J8Ec l5OHrTrGmJ/GeXECvVFhcfZwqkLbhnMO4Nfc0Ul8= To: "linux-wireless@vger.kernel.org" From: Ben Greear Subject: 6.2.2+ ksoftirqd kasan splat Organization: Candela Technologies Message-ID: <2077f1dc-e4a4-1de0-ce8a-7c5dbe5837ed@candelatech.com> Date: Tue, 7 Mar 2023 17:37:19 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-MW Content-Transfer-Encoding: 7bit X-MDID: 1678239441-5T6E9bXdvzyC X-MDID-O: us5;ut7;1678239441;5T6E9bXdvzyC; Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org I have seen this a few times during reboot/shutdown. This is on a system with 24 mtk7922 radios in it, so probably related to that piece of hardware somehow. The splat doesn't tell me much though, so not sure how to make progress. ================================================================== BUG: KASAN: use-after-free in tasklet_action_common.constprop.0+0xa4/0x200 Read of size 4 at addr ffff888147d1a670 by task ksoftirqd/5/40 CPU: 5 PID: 40 Comm: ksoftirqd/5 Not tainted 6.2.2+ #28 Hardware name: Default string Default string/SKYBAY, BIOS 5.12 08/04/2020 Call Trace: dump_stack_lvl+0x44/0x58 print_report+0x17c/0x481 ? __virt_addr_valid+0xab/0x130 ? tasklet_action_common.constprop.0+0xa4/0x200 ? tasklet_action_common.constprop.0+0xa4/0x200 kasan_report+0xad/0x130 ? tasklet_action_common.constprop.0+0xa4/0x200 tasklet_action_common.constprop.0+0xa4/0x200 __do_softirq+0xee/0x38a ? trace_event_raw_event_irq_handler_entry+0x180/0x180 run_ksoftirqd+0x1f/0x30 smpboot_thread_fn+0x156/0x2c0 ? sort_range+0x20/0x20 kthread+0x14c/0x180 ? kthread_complete_and_exit+0x20/0x20 ret_from_fork+0x1f/0x30 The buggy address belongs to the physical page: Memory state around the buggy address: ffff888147d1a500: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888147d1a580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff888147d1a600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888147d1a680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888147d1a700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ================================================================== reboot: Power down Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com