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[23.128.96.31]) by mx.google.com with ESMTPS id v202-20020a6361d3000000b005b7fb04f1fdsi6694395pgb.140.2023.10.23.06.55.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 Oct 2023 06:55:57 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) client-ip=23.128.96.31; Authentication-Results: mx.google.com; dkim=pass header.i=@candelatech.com header.s=default header.b=NXyR72+l; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 23.128.96.31 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=candelatech.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by morse.vger.email (Postfix) with ESMTP id 59727803E302; Mon, 23 Oct 2023 06:55:18 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at morse.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229707AbjJWNzS (ORCPT + 52 others); Mon, 23 Oct 2023 09:55:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230110AbjJWNzR (ORCPT ); Mon, 23 Oct 2023 09:55:17 -0400 Received: from dispatch1-us1.ppe-hosted.com (dispatch1-us1.ppe-hosted.com [67.231.154.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F2B110A for ; Mon, 23 Oct 2023 06:55:13 -0700 (PDT) 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 83D618C0078 for ; Mon, 23 Oct 2023 13:55:11 +0000 (UTC) Received: from [192.168.1.115] (unknown [98.97.112.156]) (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 37F7513C2B0 for ; Mon, 23 Oct 2023 06:55:07 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 37F7513C2B0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1698069307; bh=B147UPeIrB6FuxReuzirbTtq4g7OadRVqEY4oozD/Gg=; h=To:From:Subject:Date:From; b=NXyR72+l8AgmoQJOSmq3eBIRz5mQj66iXo/IBhQluSs1ZH+qTCOnrV4vRRXgPuXuB duDgLKmlxRDqUxeV1YfqwsFH32wnIsEXesu/dzcwSQ2bWnPMZYeOCuq5IAyruBkwR0 yuxf7Jh4AoN3yzc3e287U4LgOE5l8n2P9CvHL32U= To: "linux-wireless@vger.kernel.org" From: Ben Greear Subject: Crash in wireless-next in unregister netdevice path. Organization: Candela Technologies Message-ID: Date: Mon, 23 Oct 2023 06:55:01 -0700 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: 1698069312-bPfPw5FpZWHX X-MDID-O: us5;at1;1698069312;bPfPw5FpZWHX;;f7146c1849a4b08a52804beb1c1cdf45 X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on morse.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (morse.vger.email [0.0.0.0]); Mon, 23 Oct 2023 06:55:18 -0700 (PDT) This one is mostly FYI, I guess I'll need to spend some time under KASAN to try to get a better idea of what is going on... BUG: unable to handle page fault for address: 00000ff8119010c0 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP CPU: 6 PID: 18653 Comm: iw Not tainted 6.6.0-rc5+ #13 Hardware name: Default string Default string/SKYBAY, BIOS 5.12 02/21/2023 RIP: 0010:kobject_get_path+0x31/0x110 Code: 89 fd 41 54 55 53 48 83 ec 08 89 74 24 04 4c 89 ed bb 01 00 00 00 eb 12 e8 ac 4b 01 00 48 8b 6d 18 8d 5c 0c RSP: 0018:ffffc900098bb7c0 EFLAGS: 00010206 RAX: 0000000000000003 RBX: 0000000000000018 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000cc0 RDI: ffffffff8241ba7b RBP: 00000ff8119010c0 R08: 0000000000001000 R09: 0000000000000000 R10: ffff888188ade000 R11: ffff8881105fb908 R12: ffff888188ade000 R13: ffff8881331f4650 R14: 0000000000000000 R15: ffff88813820b7c0 FS: 00007f67fc296b80(0000) GS:ffff88845dd80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000ff8119010c0 CR3: 000000019988a003 CR4: 00000000003706e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ? __die+0x1a/0x60 ? page_fault_oops+0x154/0x450 ? exc_page_fault+0x69/0x140 ? asm_exc_page_fault+0x22/0x30 ? kobject_get_path+0x31/0x110 kobject_uevent_env+0xcd/0x830 ? sysfs_remove_group+0x33/0x80 __kobject_del+0x96/0xd0 kobject_put+0xd9/0x170 net_rx_queue_update_kobjects+0x13a/0x190 netdev_unregister_kobject+0x45/0x90 unregister_netdevice_many_notify+0x425/0x7e0 unregister_netdevice_queue+0x84/0xc0 _cfg80211_unregister_wdev+0x1e7/0x230 [cfg80211] ieee80211_if_remove+0x8b/0xe0 [mac80211] ieee80211_del_iface+0xc/0x10 [mac80211] cfg80211_remove_virtual_intf+0x28/0xd0 [cfg80211] genl_family_rcv_msg_doit+0xd1/0x120 genl_rcv_msg+0x17b/0x290 ? __cfg80211_wdev_from_attrs+0x290/0x290 [cfg80211] ? nl80211_stop_ap+0x30/0x30 [cfg80211] ? nlmsg_trim+0x20/0x20 [cfg80211] ? genl_family_rcv_msg_dumpit+0xf0/0xf0 netlink_rcv_skb+0x4f/0x100 genl_rcv+0x1f/0x30 netlink_unicast+0x18b/0x280 netlink_sendmsg+0x24b/0x4c0 __sock_sendmsg+0x33/0x60 ____sys_sendmsg+0x229/0x2a0 ? copy_msghdr_from_user+0x68/0xa0 ___sys_sendmsg+0x81/0xc0 ? do_fault+0x2f9/0x430 -- Ben Greear Candela Technologies Inc http://www.candelatech.com