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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D1135C4332F for ; Tue, 25 Jan 2022 03:44:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350930AbiAYDot (ORCPT ); Mon, 24 Jan 2022 22:44:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45790 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S3414978AbiAYAyv (ORCPT ); Mon, 24 Jan 2022 19:54:51 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 86D6AC095436 for ; Mon, 24 Jan 2022 14:37:45 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 286A5B81255 for ; Mon, 24 Jan 2022 22:37:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id D6076C340E5 for ; Mon, 24 Jan 2022 22:37:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643063862; bh=dPC/wnagXgx2586ZCqthw2ps4345tZlVTGn2+/E4sJ0=; h=From:To:Subject:Date:From; b=FMUrWQt+Nk72iAPAQ96fxR2UNPcX3DBCx42pHjFKU6nv40MFs51gGyiqaF5GC/u/P VqF8Yqw8Kprm2bPR961FbTt1qw9HLdej+lp0Y5vqVIJ8SY/ynK04cJC9VJefW/3M2k aPNPwnAM4pKa7tI2BdMRjhPq15lWuI5B9rMX8k7Ts+ADoYFRSAEUd8b8PowzpWS/nH RpsJeHHjuX0r7bzojWsJag5MPniIquuae8WBxzirZ2Qal1qOjQJqf2J+qM/74ONrGI 8UrccubewcXXTyw/kMo5ubsay2tC34u9oT2khO5mquv6vOve8gkzOEVZzZo/Vju85Y +X0OZt6mhYbSw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id B2894CC13B0; Mon, 24 Jan 2022 22:37:42 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 215529] New: REGRESSION kernel NULL pointer crash in typec_link_ports Date: Mon, 24 Jan 2022 22:37:42 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new 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: lenb@kernel.org 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: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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=3D215529 Bug ID: 215529 Summary: REGRESSION kernel NULL pointer crash in typec_link_ports Product: Drivers Version: 2.5 Kernel Version: 5.17.0-rc1-00032-gdd81e1c7d5fb Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: USB Assignee: drivers_usb@kernel-bugs.kernel.org Reporter: lenb@kernel.org Regression: No Created attachment 300311 --> https://bugzilla.kernel.org/attachment.cgi?id=3D300311&action=3Dedit typec patch from lkml that does NOT help Booting 5.17-rc1 (plus a couple of commits) fails on two of my systems, Dell XPS 13 9360 (FWIW, Linux Torvalds has one of these) Dell XPS 13 9310 (Intel's latest Tiger Lake system) [ 2.965017] ath11k_pci 0000:72:00.0 wlp114s0: renamed from wlan0 [ 3.046448] systemd-journald[302]: File /var/log/journal/5ce4de201d294a6db31ace17ae52adb8/user-1000.journal corrupt= ed or uncleanly shut down, renaming and replacing. [ 3.111468] BUG: kernel NULL pointer dereference, address: 0000000000000= 008 [ 3.111472] #PF: supervisor read access in kernel mode [ 3.111474] #PF: error_code(0x0000) - not-present page [ 3.111475] PGD 0 P4D 0 [ 3.111477] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 3.111479] CPU: 4 PID: 314 Comm: kworker/4:2 Not tainted 5.17.0-rc1-00032-gdd81e1c7d5fb-dirty #10 [ 3.111481] Hardware name: Dell Inc. XPS 13 9310/0202R4, BIOS 3.2.0 09/30/2021 [ 3.111483] Workqueue: events_long ucsi_init_work [typec_ucsi] [ 3.111489] RIP: 0010:component_master_add_with_match+0x19/0x100 [ 3.111494] Code: 5b 41 5c 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 0f = 1f 44 00 00 55 48 89 e5 41 56 49 89 fe 41 55 49 89 d5 41 54 53 48 89 f3 <48> 8= b 72 08 48 3b 32 74 10 48 89 d7 e8 06 fd ff ff 85 c0 0f 85 a0 [ 3.111496] RSP: 0018:ffffb26080a57d88 EFLAGS: 00010296 [ 3.111498] RAX: 0000000000000000 RBX: ffffffffc03dea30 RCX: 0000000000000000 [ 3.111499] RDX: 0000000000000000 RSI: ffffffffc03dea30 RDI: ffff932988db7808 [ 3.111500] RBP: ffffb26080a57da8 R08: ffff9329802aaaa0 R09: ffff932981f8f030 [ 3.111502] R10: ffff93299e85b000 R11: 0000000000000000 R12: ffff932988db7800 [ 3.111503] R13: 0000000000000000 R14: ffff932988db7808 R15: ffff932988db7808 [ 3.111504] FS: 0000000000000000(0000) GS:ffff9330ef700000(0000) knlGS:0000000000000000 [ 3.111505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.111507] CR2: 0000000000000008 CR3: 0000000256e10002 CR4: 0000000000770ee0 [ 3.111508] PKRU: 55555554 [ 3.111509] Call Trace: [ 3.111511] [ 3.111514] typec_link_ports+0x6f/0x90 [typec] [ 3.111520] typec_register_port+0x1d4/0x2d0 [typec] [ 3.111525] ucsi_init_work+0x401/0x720 [typec_ucsi] [ 3.111529] process_one_work+0x21a/0x3f0 [ 3.111533] worker_thread+0x50/0x3d0 [ 3.111535] ? rescuer_thread+0x360/0x360 [ 3.111537] kthread+0xfa/0x120 [ 3.111539] ? kthread_complete_and_exit+0x20/0x20 [ 3.111541] ret_from_fork+0x1f/0x30 [ 3.111545] --=20 You may reply to this email to add a comment. 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