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 C568F2C026C; Wed, 7 Oct 2026 20:24:20 +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=1791404662; cv=none; b=GQm3cDYTaEYpv8M5y+/ET4XsBn3ngnOv7mLzgRs7KlB9UILvmeqR+V3KvmMP4ktQ9UKpPc4LpP5sKesaoDQtatLkfcs/ghXWWiz+/lY5XSxX12WyWcEyekoqsy+FhG1NNAnufKUaqXgk+cOTu24cD8EYongefWFSsBVHk3BIxHk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791404662; c=relaxed/simple; bh=N9l9ulXCPIg0gc7OkBVvGgXXOJRlDx+6Pbz/KdymAdM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=VxypsSTGLtjqQ1bIaftRdWhMwWRgV4b6S7pp8LgTnPMvNKE8C8MjFSt6HXBvKFjYRkeu9Rr5Dtl24ijyZ1HYarG/P7ujVYDW4XTREJX+m1lEbnRKcoYC/MlIMGKYsA9Fy6YBIfd/20OdEUhnHxqflNB47DZ9cXnJb4dfm6WZTcA= 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=SHOoH7+4; 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="SHOoH7+4" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1791404661; x=1822940661; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=N9l9ulXCPIg0gc7OkBVvGgXXOJRlDx+6Pbz/KdymAdM=; b=SHOoH7+4VQydMN8Vyb6BxbUZ0Df462MwBNM14q3eo0WcXbsEi6XwkKNG PoezOQr4IhiigztkDhq1B0aGTLIORR9UHliYN4sjVkLRuka0bL/oCiKIP y0wLghqNBzZ3K1YOfOCw3OG3cgd9zpNJzisVTquctv5eUTXBjSeF3IYKB b99CzuS1X1A8BAQ4owjD5X6XW1Rq87HAt7JGksYQWBvQcRTQZ8kaCtTUt SXSHchELN86lXZWBNjV3G/8WUGQQDR+g4Wz74T31eO2/GqQkvM89qODoa ZLtYw4YflN9EKv500/SYJrHFkYf3jE0A+mFVYMH85X1dFpmNjxpc0a8Nw Q==; X-CSE-ConnectionGUID: qs1REJaDQWy3ntXWxCfuxw== X-CSE-MsgGUID: oGrJzRbSQMme3E42xO0jiw== X-IronPort-AV: E=McAfee;i="6800,10657,11928"; a="63066" X-IronPort-AV: E=Sophos;i="6.27,144,1787036400"; d="scan'208";a="63066" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Oct 2026 13:24:21 -0700 X-CSE-ConnectionGUID: WcP3pJg/QSGJ+Mlx0LNeSA== X-CSE-MsgGUID: bqLGbVI7S1mkD+FD7SJiBw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,144,1787036400"; d="scan'208";a="315569616" Received: from lkp-server01.sh.intel.com (HELO 0caa9d2d175c) ([10.239.97.150]) by orviesa001.jf.intel.com with ESMTP; 07 Oct 2026 13:24:18 -0700 Received: from kbuild by 0caa9d2d175c with local (Exim 4.98.2) (envelope-from ) id 1xEYBS-000000003VM-41fP; Wed, 07 Oct 2026 20:24:14 +0000 Date: Thu, 8 Oct 2026 04:24:14 +0800 From: kernel test robot To: Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Christian Borntraeger , Vasily Gorbik , Claudio Imbrenda , Andrey Ryabinin Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Muhammad Usama Anjum , linux-s390@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com Subject: Re: [PATCH v8 14/15] mm/kasan: Introduce helpers for lazy MMU mode sanitizer Message-ID: <202610080445.ZlyXFoBC-lkp@intel.com> References: 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: Hi Alexander, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v7.3-rc6] [cannot apply to akpm-mm/mm-everything s390/features kvms390/next next-20261006] [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/Alexander-Gordeev/mm-introduce-hw_pte_t-for-PTE-table-storage/20261007-134144 base: linus/master patch link: https://lore.kernel.org/r/e42d9f02ec1f8478a50fce424b95d0e7ff6a359f.1791365932.git.agordeev%40linux.ibm.com patch subject: [PATCH v8 14/15] mm/kasan: Introduce helpers for lazy MMU mode sanitizer config: mips-bmips_stb_defconfig (https://download.01.org/0day-ci/archive/20261008/202610080445.ZlyXFoBC-lkp@intel.com/config) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261008/202610080445.ZlyXFoBC-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/202610080445.ZlyXFoBC-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from arch/mips/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:45: In file included from include/linux/slab.h:276: In file included from include/linux/kasan.h:9: In file included from include/linux/pgtable.h:6: In file included from arch/mips/include/asm/pgtable.h:14: In file included from arch/mips/include/asm/pgtable-32.h:22: In file included from arch/mips/include/asm/highmem.h:24: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/mips/include/asm/hardirq.h:16: In file included from include/asm-generic/hardirq.h:17: include/linux/irq.h:1211:2: error: call to undeclared function 'kfree'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1211 | kfree(gc); | ^ In file included from arch/mips/kernel/asm-offsets.c:14: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:45: >> include/linux/slab.h:595:6: error: conflicting types for 'kfree' 595 | void kfree(const void *objp); | ^ include/linux/irq.h:1211:2: note: previous implicit declaration is here 1211 | kfree(gc); | ^ In file included from arch/mips/kernel/asm-offsets.c:26: In file included from include/linux/kvm_host.h:5: In file included from include/linux/entry-virt.h:7: In file included from include/linux/syscalls.h:95: In file included from include/trace/syscall.h:7: In file included from include/linux/trace_events.h:6: In file included from include/linux/ring_buffer.h:6: include/linux/poll.h:134:27: warning: division by zero is undefined [-Wdivision-by-zero] 134 | M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | | ^~~~~~~~~ include/linux/poll.h:132:32: note: expanded from macro 'M' 132 | #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/poll.h:118:51: note: expanded from macro '__MAP' 118 | (from < to ? (v & from) * (to/from) : (v & from) / (from/to)) | ^ ~~~~~~~~~ include/linux/poll.h:134:39: warning: division by zero is undefined [-Wdivision-by-zero] 134 | M(RDNORM) | M(RDBAND) | M(WRNORM) | M(WRBAND) | | ^~~~~~~~~ include/linux/poll.h:132:32: note: expanded from macro 'M' 132 | #define M(X) (__force __poll_t)__MAP(val, POLL##X, (__force __u16)EPOLL##X) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/poll.h:118:51: note: expanded from macro '__MAP' 118 | (from < to ? (v & from) * (to/from) : (v & from) / (from/to)) | ^ ~~~~~~~~~ 2 warnings and 2 errors generated. make[3]: *** [scripts/Makefile.build:185: arch/mips/kernel/asm-offsets.s] Error 1 make[3]: Target 'prepare' not remade because of errors. make[2]: *** [Makefile:1425: prepare0] Error 2 make[2]: Target 'prepare' not remade because of errors. make[1]: *** [Makefile:248: __sub-make] Error 2 make[1]: Target 'prepare' not remade because of errors. make: *** [Makefile:248: __sub-make] Error 2 make: Target 'prepare' not remade because of errors. vim +/kfree +595 include/linux/slab.h 7bd230a26648ac Suren Baghdasaryan 2024-03-21 594 72d67229f522e3 Kees Cook 2021-11-05 @595 void kfree(const void *objp); af92793e52c3a9 Alexei Starovoitov 2025-09-08 596 void kfree_nolock(const void *objp); 72d67229f522e3 Kees Cook 2021-11-05 597 void kfree_sensitive(const void *objp); 05a940656e1eb2 Kees Cook 2022-09-23 598 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki