From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 CD15830274D for ; Sat, 28 Feb 2026 04:09:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772251778; cv=none; b=degC0qIJg+mcOEhQtuN1O3SwdhIqK/qBE1W22KHMLyL+Xebl8yFltm9GJzcdshKJzV1JjEyglRh8nSizp0e8aNlnMrZCGF7nl2sP17D5fwH40OLJN7XvcOLhZQ7c0ezohrqXHxnIhjoTtbAmFI5W2KDOH4A/ymQhXZl1pRl2h+c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772251778; c=relaxed/simple; bh=5bf3GmbpxE2XLk3+yCscEY+QR1t/EONTiDRQOvBk/U0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=mG/n63BmAeC1PZwA44ShN8LZw2hh2p0Ie4VDI+Na68FfbTL5wdj6HZlVpqNmfiD/DlVGB7GoOJhTw7sdwuMcRPGCQkiLA9fGAdFD0CvpoD4Qg1RmOOSDrYcuaTZFAyaOqiB0RLJH26z96zbKCBzAgeIPavBk+DJkQXiWAtaQOhY= 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=JkgXmZd0; arc=none smtp.client-ip=198.175.65.13 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="JkgXmZd0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772251776; x=1803787776; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=5bf3GmbpxE2XLk3+yCscEY+QR1t/EONTiDRQOvBk/U0=; b=JkgXmZd0nhAgq/dD6jk52zBYfk9EDu1l0c3QdclkQS+oau0FC+fEjqp7 Eb9jjerRbbRxC9vNy0D174D0TIF5Ccr5654qvg93bht8xiMPmLYDu7/de uH+sNh8Ffy4FlR3bdGJ08NRoc7Xp2sRFREAwVpQ9Ks1IHCuZetHr0r7CK 1OIrK6XitaDbKBY7Q529B0at7vQWmvv/1m+G9TaIMWV/WSJfXAw1ikxXH olUNjoKpO45ClYmaG092u1rOm0rJRj8BE2AQv9uLfInb4QsYFV7MA2/1y ujgZ6nf+Ijw0dIg27Nx5wtbVttvKnhJ7TeHlmMkewYyT88subPYbHUFzo w==; X-CSE-ConnectionGUID: Q/C8irkOR2WSLroinqcNsA== X-CSE-MsgGUID: PU2zsUi4QR+u0Y4ITHnEsw== X-IronPort-AV: E=McAfee;i="6800,10657,11714"; a="84420843" X-IronPort-AV: E=Sophos;i="6.21,315,1763452800"; d="scan'208";a="84420843" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2026 20:09:36 -0800 X-CSE-ConnectionGUID: 5QRql65XTEe678n8WkC8kQ== X-CSE-MsgGUID: ieLMY0qiTyWOMW9A31Dmmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,315,1763452800"; d="scan'208";a="220290739" Received: from lkp-server02.sh.intel.com (HELO a3936d6a266d) ([10.239.97.151]) by fmviesa004.fm.intel.com with ESMTP; 27 Feb 2026 20:09:35 -0800 Received: from kbuild by a3936d6a266d with local (Exim 4.98.2) (envelope-from ) id 1vwBe1-00000000BJ1-14KE; Sat, 28 Feb 2026 04:09:33 +0000 Date: Sat, 28 Feb 2026 12:08:59 +0800 From: kernel test robot To: Chen Jun Cc: oe-kbuild-all@lists.linux.dev Subject: Re: [RFC PATCH] fbcon: Fix out-of-bounds memory in fbcon_putcs Message-ID: <202602281237.VJhwHzj8-lkp@intel.com> References: <20260227144358.101173-1-chenjun102@huawei.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260227144358.101173-1-chenjun102@huawei.com> Hi Chen, [This is a private test report for your RFC patch.] kernel test robot noticed the following build errors: [auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on linus/master v7.0-rc1 next-20260227] [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/Chen-Jun/fbcon-Fix-out-of-bounds-memory-in-fbcon_putcs/20260227-225307 base: https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next patch link: https://lore.kernel.org/r/20260227144358.101173-1-chenjun102%40huawei.com patch subject: [RFC PATCH] fbcon: Fix out-of-bounds memory in fbcon_putcs config: hexagon-randconfig-r071-20260228 (https://download.01.org/0day-ci/archive/20260228/202602281237.VJhwHzj8-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) smatch version: v0.5.0-8994-gd50c5a4c reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260228/202602281237.VJhwHzj8-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/202602281237.VJhwHzj8-lkp@intel.com/ All errors (new ones prefixed by >>): >> ld.lld: error: undefined symbol: fbcon_rotate_font >>> referenced by fbcon.c >>> drivers/video/fbdev/core/fbcon.o:(fbcon_do_set_font) in archive vmlinux.a >>> referenced by fbcon.c >>> drivers/video/fbdev/core/fbcon.o:(fbcon_do_set_font) in archive vmlinux.a -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki