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X-CSE-ConnectionGUID: pRc/kyVYTzGMF0n+0M85+g== X-CSE-MsgGUID: 7LDTrryRRI2wGxMa90M2vg== X-IronPort-AV: E=McAfee;i="6800,10657,11917"; a="90446192" X-IronPort-AV: E=Sophos;i="6.27,126,1787036400"; d="scan'208";a="90446192" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2026 03:09:40 -0700 X-CSE-ConnectionGUID: pIzzASAHQMmiMOzbAuARng== X-CSE-MsgGUID: HdvhEQHWQqme8bcyM0xn2w== X-ExtLoop1: 1 Received: from igk-lkp-server01.igk.intel.com (HELO 04362d00df5a) ([10.211.93.152]) by fmviesa003.fm.intel.com with ESMTP; 27 Sep 2026 03:09:39 -0700 Received: from kbuild by 04362d00df5a with local (Exim 4.98.2) (envelope-from ) id 1xAlpA-000000000X1-2sl7; Sun, 27 Sep 2026 10:09:36 +0000 Date: Sun, 27 Sep 2026 12:08:36 +0200 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com, Dan Carpenter Subject: [linux-next:master 6292/10910] sound/soc/sof/amd/acp.c:663 sof_amd_handle_acp7x_sdw_wake_event() error: buffer overflow 'adata->sdw->pdev' 2 <= 3 Message-ID: <202609271202.N9xIiQL9-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 TO: Vijendar Mukunda CC: Mark Brown tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f5f84daefcd92d7a630066635ecea1433ed5eac7 commit: c9b000c028792c313861b123c508b3dc7f7114ab [6292/10910] ASoC: SOF: amd: add ACP7.B/7.F SoundWire IO IRQ handling :::::: branch date: 2 days ago :::::: commit date: 10 days ago config: i386-randconfig-2200-20260927 (https://download.01.org/0day-ci/archive/20260927/202609271202.N9xIiQL9-lkp@intel.com/config) compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1) 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/202609271202.N9xIiQL9-lkp@intel.com/ New smatch warnings: sound/soc/sof/amd/acp.c:663 sof_amd_handle_acp7x_sdw_wake_event() error: buffer overflow 'adata->sdw->pdev' 2 <= 3 Old smatch warnings: sound/soc/sof/amd/acp.c:666 sof_amd_handle_acp7x_sdw_wake_event() error: buffer overflow 'adata->sdw->pdev' 2 <= 3 vim +663 sound/soc/sof/amd/acp.c c9b000c028792c Vijendar Mukunda 2026-09-10 654 c9b000c028792c Vijendar Mukunda 2026-09-10 655 static void sof_amd_handle_acp7x_sdw_wake_event(struct acp_dev_data *adata) c9b000c028792c Vijendar Mukunda 2026-09-10 656 { c9b000c028792c Vijendar Mukunda 2026-09-10 657 struct amd_sdw_manager *amd_manager; c9b000c028792c Vijendar Mukunda 2026-09-10 658 unsigned int instance; c9b000c028792c Vijendar Mukunda 2026-09-10 659 c9b000c028792c Vijendar Mukunda 2026-09-10 660 for (instance = 0; instance < ACP7X_SDW_MAX_MANAGER_COUNT; instance++) { c9b000c028792c Vijendar Mukunda 2026-09-10 661 if (!adata->acp7x_sdw_wake_event[instance]) c9b000c028792c Vijendar Mukunda 2026-09-10 662 continue; c9b000c028792c Vijendar Mukunda 2026-09-10 @663 if (!adata->sdw->pdev[instance]) c9b000c028792c Vijendar Mukunda 2026-09-10 664 continue; c9b000c028792c Vijendar Mukunda 2026-09-10 665 c9b000c028792c Vijendar Mukunda 2026-09-10 666 amd_manager = dev_get_drvdata(&adata->sdw->pdev[instance]->dev); c9b000c028792c Vijendar Mukunda 2026-09-10 667 if (amd_manager) c9b000c028792c Vijendar Mukunda 2026-09-10 668 pm_request_resume(amd_manager->dev); c9b000c028792c Vijendar Mukunda 2026-09-10 669 adata->acp7x_sdw_wake_event[instance] = false; c9b000c028792c Vijendar Mukunda 2026-09-10 670 } c9b000c028792c Vijendar Mukunda 2026-09-10 671 } c9b000c028792c Vijendar Mukunda 2026-09-10 672 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki