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 E5762C61DA4 for ; Mon, 13 Mar 2023 21:08:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230055AbjCMVIY (ORCPT ); Mon, 13 Mar 2023 17:08:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229666AbjCMVIW (ORCPT ); Mon, 13 Mar 2023 17:08:22 -0400 Received: from mail-il1-x146.google.com (mail-il1-x146.google.com [IPv6:2607:f8b0:4864:20::146]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2783E8E3CF for ; Mon, 13 Mar 2023 14:07:33 -0700 (PDT) Received: by mail-il1-x146.google.com with SMTP id k13-20020a056e021a8d00b0031bae68b383so7223060ilv.18 for ; Mon, 13 Mar 2023 14:07:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; 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charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: KMSAN: uninit-value in ath9k_hw_init ath9k_htc 2-1:1.0: ath9k_htc: HTC initialized with 33 credits ===================================================== BUG: KMSAN: uninit-value in ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:289 [inline] BUG: KMSAN: uninit-value in __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline] BUG: KMSAN: uninit-value in ath9k_hw_init+0x119e/0x2ba0 drivers/net/wireless/ath/ath9k/hw.c:700 ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:289 [inline] __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline] ath9k_hw_init+0x119e/0x2ba0 drivers/net/wireless/ath/ath9k/hw.c:700 ath9k_init_priv drivers/net/wireless/ath/ath9k/htc_drv_init.c:662 [inline] ath9k_init_device drivers/net/wireless/ath/ath9k/htc_drv_init.c:839 [inline] ath9k_htc_probe_device+0xf48/0x3b60 drivers/net/wireless/ath/ath9k/htc_drv_init.c:963 ath9k_htc_hw_init+0x4f/0x100 drivers/net/wireless/ath/ath9k/htc_hst.c:523 ath9k_hif_usb_firmware_cb+0x2eb/0x800 drivers/net/wireless/ath/ath9k/hif_usb.c:1256 request_firmware_work_func+0x130/0x240 drivers/base/firmware_loader/main.c:1107 process_one_work+0xb0d/0x1410 kernel/workqueue.c:2390 worker_thread+0x107e/0x1d60 kernel/workqueue.c:2537 kthread+0x31f/0x430 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Local variable val created at: ath9k_regread+0x62/0x1b0 drivers/net/wireless/ath/ath9k/htc_drv_init.c:239 ath9k_hw_read_revisions drivers/net/wireless/ath/ath9k/hw.c:287 [inline] __ath9k_hw_init drivers/net/wireless/ath/ath9k/hw.c:572 [inline] ath9k_hw_init+0x5c4/0x2ba0 drivers/net/wireless/ath/ath9k/hw.c:700 CPU: 1 PID: 5549 Comm: kworker/1:5 Not tainted 6.3.0-rc2-syzkaller-00010-g34add094f9de-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: events request_firmware_work_func ===================================================== Tested on: commit: 34add094 kmsan: add test_stackdepot_roundtrip git tree: https://github.com/google/kmsan.git master console output: https://syzkaller.appspot.com/x/log.txt?x=13196aecc80000 kernel config: https://syzkaller.appspot.com/x/.config?x=76a9330669c37355 dashboard link: https://syzkaller.appspot.com/bug?extid=df61b36319e045c00a08 compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=17a0437cc80000