From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 837D857EDBA for ; Thu, 10 Sep 2026 18:09:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789063791; cv=none; b=sXWUvMiLpnm3gz8cYh2FM3IpQPEW6i4RCbLDFz9yrGoD/y5INLlKVJrzV6j9wZGXOXrYsajaZJYsALgrMbxpesT3A1mlQrrXQyJ5Jhpzfsfq/yinF1zWFA/ibyPocUTc4MkwvyIaG3rGe++U13wmvhBc6nnWCQx6WU+K/4JOfks= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789063791; c=relaxed/simple; bh=55NNuJqiWtHdn5fjNmXBk1Kvc5SuXxLUEja9BsQBOWQ=; h=Date:From:To:Cc:Subject:Message-ID; b=e4w/NOcVAU5XiVf9uBTPSutcSKLoWWfY6+45IPdqBHwV8LHKQHiXKCaR9bxAmlFn1CcmA4ysj8VRoOodM2i86NvSr9EdE0JbZGCAa+a461sU4TGdtM4ZHpVO7CvAm07RYeN5RgfDJcP8moRmQzgLc8BXAVGw/CB1++/bga8PYcY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=NfDM9KOe; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="NfDM9KOe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1789063787; x=1820599787; h=date:from:to:cc:subject:message-id; bh=55NNuJqiWtHdn5fjNmXBk1Kvc5SuXxLUEja9BsQBOWQ=; b=NfDM9KOeQBOa4vansqurF8N1DYBMya0XAP856M2AUPuJG2O8lvRRfPE7 nEaBdV97tHFoM2JiIPbeFwrxFbyJY3Fo9VnWBqiwsDxM8T431t91G052R lpQgifQi3AAneqFzTfI05xpPC+OJOouSFf7fcSsSch9tS3tjSnybGV6xr oJ+loYQ+BAp+W9wPZbrHMXBTQ31H5aUYjKHBu9SdHE1wjaaS67rm0K2i1 bk6kEVDLeXB4W5vlpme7wSpEKcqXjvpHFnFsVdu8UwmcMCQ+7iRNmCDi0 O/tpdYU204RszYPNaWsTBYN9rVIyFrfJ1pUJeKtQYf8ey21zHluKGxPvN w==; X-CSE-ConnectionGUID: GtlHZsGRSGagvOgzanGKPg== X-CSE-MsgGUID: XJcCqtoCSHCvNU5l/sMR/w== X-IronPort-AV: E=McAfee;i="6800,10657,11901"; a="112297555" X-IronPort-AV: E=Sophos;i="6.27,95,1787036400"; d="scan'208";a="112297555" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Sep 2026 11:09:43 -0700 X-CSE-ConnectionGUID: Su+XOC0oSai/rEnSkjYqIw== X-CSE-MsgGUID: l0kQqPSySPyvB8qnmUQ/CA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,95,1787036400"; d="scan'208";a="273649627" Received: from lkp-server02.sh.intel.com (HELO 0a3643a6ed9d) ([10.239.97.151]) by fmviesa004.fm.intel.com with ESMTP; 10 Sep 2026 11:09:41 -0700 Received: from kbuild by 0a3643a6ed9d with local (Exim 4.98.2) (envelope-from ) id 1x4jDO-000000000Nt-3Ihh; Thu, 10 Sep 2026 18:09:39 +0000 Date: Fri, 11 Sep 2026 02:08:56 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [paulmck-rcu:non-rcu/next 30/41] drivers/hid/hid-steam.c:557 steam_send_report_id() warn: check sign expansion for '__UNIQUE_ID_x__463' Message-ID: <202609110217.JyIWm88m-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: "Paul E. McKenney" CC: Dmitry Ilvokhin Hi Paul, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git non-rcu/next head: 9d7a5ab4d4dfb32cd8638d544a5bc47f51f3a9f7 commit: afb7bf72902f3dde36ce2d8ae2539c8fe8a13cae [30/41] hrtimer: Mark data-racy accesses to hrtimer_sleeper ->task field :::::: branch date: 7 days ago :::::: commit date: 7 days ago config: x86_64-randconfig-161-20260910 (https://download.01.org/0day-ci/archive/20260911/202609110217.JyIWm88m-lkp@intel.com/config) compiler: clang version 22.1.3 (https://github.com/llvm/llvm-project e9846648fd6183ee6d8cbdb4502213fcf902a211) rustc: rustc 1.96.0 (ac68faa20 2026-05-25) smatch: v0.5.0-9187-g5189e3fb If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Closes: https://lore.kernel.org/r/202609110217.JyIWm88m-lkp@intel.com/ smatch warnings: drivers/hid/hid-steam.c:557 steam_send_report_id() warn: check sign expansion for '__UNIQUE_ID_x__463' vim +/__UNIQUE_ID_x__463 +557 drivers/hid/hid-steam.c c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 516 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 517 static int steam_send_report_id(struct steam_device *steam, 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 518 u8 *cmd, int size, u8 report_id) c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 519 { c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 520 struct hid_report *r; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 521 u8 *buf; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 522 unsigned int retries = 50; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 523 int ret; 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 524 u32 len; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 525 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 526 r = steam->hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[report_id]; cd11d1a6114bd4 Lee Jones 2022-07-08 527 if (!r) { 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 528 hid_err(steam->hdev, "No HID_FEATURE_REPORT present for ID %u\n", report_id); cd11d1a6114bd4 Lee Jones 2022-07-08 529 return -EINVAL; cd11d1a6114bd4 Lee Jones 2022-07-08 530 } cd11d1a6114bd4 Lee Jones 2022-07-08 531 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 532 len = hid_report_len(r); 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 533 if (len < 64) c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 534 return -EINVAL; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 535 c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 536 buf = hid_alloc_report_buf(r, GFP_KERNEL); c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 537 if (!buf) c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 538 return -ENOMEM; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 539 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 540 /* The report ID is always consistent */ 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 541 buf[0] = report_id; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 542 memcpy(buf + 1, cmd, size); c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 543 de435b770cd949 Vicki Pfau 2026-07-29 544 hid_dbg(steam->hdev, "Sending report %*ph\n", size, cmd); de435b770cd949 Vicki Pfau 2026-07-29 545 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 546 if (!(steam->quirks & STEAM_QUIRK_IBEX)) 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 547 len += 1; 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 548 c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 549 /* c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 550 * Sometimes the wireless controller fails with EPIPE c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 551 * when sending a feature report. 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 552 * Doing a HID_REQ_SET_REPORT and waiting for a while c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 553 * seems to fix that. c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 554 */ c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 555 do { 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 556 ret = hid_hw_raw_request(steam->hdev, report_id, 0a80b4e8ec6a6e Vicki Pfau 2026-08-11 @557 buf, max(size + 1, len), c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 558 HID_FEATURE_REPORT, HID_REQ_SET_REPORT); c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 559 if (ret != -EPIPE) c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 560 break; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 561 msleep(20); c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 562 } while (--retries); c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 563 c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 564 kfree(buf); cfa66cba6d02ff Vicki Pfau 2026-08-11 565 /* cfa66cba6d02ff Vicki Pfau 2026-08-11 566 * Don't log if the failure is -ENODEV, as this cfa66cba6d02ff Vicki Pfau 2026-08-11 567 * can happen normally on disconnect. cfa66cba6d02ff Vicki Pfau 2026-08-11 568 */ cfa66cba6d02ff Vicki Pfau 2026-08-11 569 if (ret < 0 && ret != -ENODEV) c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 570 hid_err(steam->hdev, "%s: error %d (%*ph)\n", __func__, c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 571 ret, size, cmd); c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 572 return ret; c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 573 } c164d6abf3841f Rodrigo Rivas Costa 2018-04-16 574 :::::: The code at line 557 was first introduced by commit :::::: 0a80b4e8ec6a6e40937c7abdf8fb2ebe6cc7c1e5 HID: steam: Initial 2026 Steam Controller support :::::: TO: Vicki Pfau :::::: CC: Jiri Kosina -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki