From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) (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 68A062848BA for ; Thu, 9 Oct 2025 22:19:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760048345; cv=none; b=DF0parnaqiUQm3MI2UNkN/yy2FCMjcBHkME4lv7wgRxA3TjrO2pHoou6Ih5Z6IdFPqrAid4FIqjkvbxuIj0OfG2q+J8HaLlPFyi6+17erY2VJvLaEzgAhWwPQ0jxNeIRdn0OOrREv2LZczDHIW9b2B1wliexD954kMsv6cnFXGk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760048345; c=relaxed/simple; bh=FH63L4f4agVldlvyuQWNSdonEKLJ0v2i3mUQaA7IUCg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Nh7iFIIImrBtoY8Jvjo9bpmtWZtCJ0ach4UvOtKk7Ftl+ggEZkqmAweIKFsgCT0EQm5C2j/SEhguDOctOLCqifZXyGXUA4fNJsSkNiAy8YJDvCcImYbiPjUYUPvqXtxoY5jgtzE5TDanbbwcsFrgMnWNrkFdR2Do3KgiNd3t4EQ= 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=TiIh3L2o; arc=none smtp.client-ip=198.175.65.12 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="TiIh3L2o" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760048343; x=1791584343; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=FH63L4f4agVldlvyuQWNSdonEKLJ0v2i3mUQaA7IUCg=; b=TiIh3L2oet/CpcmBhig5Y1p/JQFakObjEpv17IdbtvuINhQAd2m8TWGJ Lss570dUuip0ySDAypfuwGVfhC0FCe//1sb7Qx7U1dhCoT2/dVCA1/07E Fba7A3i6pVQQN+JAXeRcgushGnk3TrdhzfNJq2b9g5sL5QdZEt6XXUz3/ 7Jr1mIxdVzcuTINh30Si22xrv/4/Oipyl2HA/8aU4Egt+caBeqyIUrPyg NPEdS9eHeKKI7iooh63KAdIYXjgXrYT+kUo6ce+L94j4iEMimkckrRMAS x81zKpScve/5+8Xgh+eFMA+AjpoQpd5hFQJUfIBtt5ccDy9TgZGvJidK4 g==; X-CSE-ConnectionGUID: 60Du13mnQBKJOA/yA9R4mA== X-CSE-MsgGUID: x/c7yxsCTva25m41n/UIIw== X-IronPort-AV: E=McAfee;i="6800,10657,11577"; a="73702918" X-IronPort-AV: E=Sophos;i="6.19,217,1754982000"; d="scan'208";a="73702918" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2025 15:19:02 -0700 X-CSE-ConnectionGUID: mCaT9/RIROmRg9sraUUCIQ== X-CSE-MsgGUID: SW0EvskZSKGSF23Uh2V9TQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,217,1754982000"; d="scan'208";a="185080426" Received: from lkp-server01.sh.intel.com (HELO 6a630e8620ab) ([10.239.97.150]) by orviesa004.jf.intel.com with ESMTP; 09 Oct 2025 15:18:59 -0700 Received: from kbuild by 6a630e8620ab with local (Exim 4.96) (envelope-from ) id 1v6yyO-0001YF-1t; Thu, 09 Oct 2025 22:18:56 +0000 Date: Fri, 10 Oct 2025 06:18:19 +0800 From: kernel test robot To: Ketil Johnsen , Boris Brezillon , Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: oe-kbuild-all@lists.linux.dev, Ketil Johnsen , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] drm/panthor: Fix UAF race between device unplug and FW event processing Message-ID: <202510100644.YPzFXMEb-lkp@intel.com> References: <20251008105322.4077661-1-ketil.johnsen@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251008105322.4077661-1-ketil.johnsen@arm.com> Hi Ketil, kernel test robot noticed the following build warnings: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on linus/master v6.17 next-20251009] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ketil-Johnsen/drm-panthor-Fix-UAF-race-between-device-unplug-and-FW-event-processing/20251009-184851 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20251008105322.4077661-1-ketil.johnsen%40arm.com patch subject: [PATCH] drm/panthor: Fix UAF race between device unplug and FW event processing config: i386-buildonly-randconfig-001-20251010 (https://download.01.org/0day-ci/archive/20251010/202510100644.YPzFXMEb-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251010/202510100644.YPzFXMEb-lkp@intel.com/reproduce) 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 | Closes: https://lore.kernel.org/oe-kbuild-all/202510100644.YPzFXMEb-lkp@intel.com/ All warnings (new ones prefixed by >>): Warning: drivers/gpu/drm/panthor/panthor_sched.c:1788 function parameter 'ptdev' not described in 'panthor_sched_report_fw_events' Warning: drivers/gpu/drm/panthor/panthor_sched.c:1788 function parameter 'events' not described in 'panthor_sched_report_fw_events' >> Warning: drivers/gpu/drm/panthor/panthor_sched.c:1800 function parameter 'ptdev' not described in 'panthor_sched_stop_fw_events' Warning: drivers/gpu/drm/panthor/panthor_sched.c:2693 function parameter 'ptdev' not described in 'panthor_sched_report_mmu_fault' -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki