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d="scan'208";a="339424959" Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Mar 2023 20:50:08 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10657"; a="825663866" X-IronPort-AV: E=Sophos;i="5.98,283,1673942400"; d="scan'208";a="825663866" Received: from lkp-server01.sh.intel.com (HELO b613635ddfff) ([10.239.97.150]) by fmsmga001.fm.intel.com with ESMTP; 22 Mar 2023 20:50:07 -0700 Received: from kbuild by b613635ddfff with local (Exim 4.96) (envelope-from ) id 1pfBxn-000DvU-0N; Thu, 23 Mar 2023 03:50:07 +0000 Date: Thu, 23 Mar 2023 11:49:35 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: sound/soc/sof/ipc4-mtrace.c:359 sof_ipc4_priority_mask_dfs_write() warn: potential spectre issue 'priv->state_info.logs_priorities_mask' [w] (local cap) Message-ID: <202303231129.YxVuUvO2-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: linux-kernel@vger.kernel.org TO: Peter Ujfalusi CC: Mark Brown CC: Rander Wang CC: Bard Liao CC: "Pierre-Louis Bossart" CC: Ranjani Sridharan tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: fff5a5e7f528b2ed2c335991399a766c2cf01103 commit: f4ea22f7aa7536560097d765be56445933d07e0d ASoC: SOF: ipc4: Add support for mtrace log extraction date: 6 months ago :::::: branch date: 6 hours ago :::::: commit date: 6 months ago config: s390-randconfig-m031-20230321 (https://download.01.org/0day-ci/archive/20230323/202303231129.YxVuUvO2-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 12.1.0 If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Reported-by: Dan Carpenter | Link: https://lore.kernel.org/r/202303231129.YxVuUvO2-lkp@intel.com/ smatch warnings: sound/soc/sof/ipc4-mtrace.c:359 sof_ipc4_priority_mask_dfs_write() warn: potential spectre issue 'priv->state_info.logs_priorities_mask' [w] (local cap) vim +359 sound/soc/sof/ipc4-mtrace.c f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 326 f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 327 static ssize_t sof_ipc4_priority_mask_dfs_write(struct file *file, f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 328 const char __user *from, f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 329 size_t count, loff_t *ppos) f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 330 { f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 331 struct sof_mtrace_priv *priv = file->private_data; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 332 int id, ret; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 333 char *buf; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 334 u32 mask; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 335 f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 336 /* f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 337 * To update Nth mask entry, write: f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 338 * "N,0x1234" or "N,1234" to the debugfs file f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 339 * The mask will be interpreted as hexadecimal number f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 340 */ f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 341 buf = memdup_user_nul(from, count); f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 342 if (IS_ERR(buf)) f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 343 return PTR_ERR(buf); f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 344 f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 345 ret = sscanf(buf, "%d,0x%x", &id, &mask); f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 346 if (ret != 2) { f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 347 ret = sscanf(buf, "%d,%x", &id, &mask); f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 348 if (ret != 2) { f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 349 ret = -EINVAL; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 350 goto out; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 351 } f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 352 } f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 353 f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 354 if (id >= MAX_ALLOWED_LIBRARIES) { f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 355 ret = -EINVAL; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 356 goto out; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 357 } f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 358 f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 @359 priv->state_info.logs_priorities_mask[id] = mask; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 360 ret = count; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 361 f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 362 out: f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 363 kfree(buf); f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 364 return ret; f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 365 } f4ea22f7aa7536 Peter Ujfalusi 2022-09-09 366 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests