From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 DFF85DDA9; Thu, 1 May 2025 00:52:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746060765; cv=none; b=VLarwB9w/vj3Pb1B9NoJlAQYfK4Q8wiDDH3ZZs1mgjj92bBtMcn5oIslREU6B5C3ae3Kk0wB27KyTF93hKzad5EM4sES4TLgMIA/19dGN+w7uKVFTIwmY9QOYbxfj/GGLyTw+XEZ+1WxxJ8BAFLPNpdkjwdrymuj3Mb2yKKVFKg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746060765; c=relaxed/simple; bh=LDZGBQNcsIA064rbXGgXPhU7sqWZ/3CVEUVEmDe0AWY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=QuAz5k+o1/vNgNYwYhfWfxQXWgxWKlGXI8YaLtbq8JxSp3blSHfND0rHLj+5EkgWjnosHMiaXMWGHNSEKhCMmNGwZhElliEdzxHQlv/PWJPaIknJs747/y8GO+Di3OJuQN6x2wGLABbQ3cxu6wVQ1k6JkGxU1sCC9Q2OXLA7jig= 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=NWOzK+4+; arc=none smtp.client-ip=192.198.163.10 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="NWOzK+4+" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1746060763; x=1777596763; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=LDZGBQNcsIA064rbXGgXPhU7sqWZ/3CVEUVEmDe0AWY=; b=NWOzK+4+0EV0TywmcqeK54rO4ZABA54AGBnQZiFiE5BxSywUkrczciYh K/J06zm0ei6oBFaKWny4J5Jd3nUTEKhKzq4kbWsZyeXVUhgUgNciU+D+L ouIgPym9uXsbk0MtBb35tOFJm/kmYDtW0Rnl6167CvmyYHWGCXB4VI80R 3WNm4kGZAAweN0tm4x4P4atygPG7QG7fctQQHlg8t7haEjnwKpJKKhCV9 ZDt0wfQzr5NxFpTj1m7jKQN85MYWtjyaGS6n7VbPZ3QpPpg9CjZwQyokG ygrqDvJYN4FqYL94Od6uQ4odoiunRO+fOA04eRpQxm6STscb41XDoxhAL g==; X-CSE-ConnectionGUID: cvQlpOefRO2a492bEr3MCg== X-CSE-MsgGUID: kRC+hE4oSw6yttcYWHxltg== X-IronPort-AV: E=McAfee;i="6700,10204,11419"; a="59102541" X-IronPort-AV: E=Sophos;i="6.15,253,1739865600"; d="scan'208";a="59102541" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Apr 2025 17:52:42 -0700 X-CSE-ConnectionGUID: CZ7wJ0HsTry5iIOxqydNWQ== X-CSE-MsgGUID: FivrNy4gQVOiBEzlJsy6KQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,253,1739865600"; d="scan'208";a="165336468" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by fmviesa001.fm.intel.com with ESMTP; 30 Apr 2025 17:52:39 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uAIAH-0003s5-0L; Thu, 01 May 2025 00:52:37 +0000 Date: Thu, 1 May 2025 08:51:46 +0800 From: kernel test robot To: Alexander Gordeev , Andrew Morton , Andrey Ryabinin , Daniel Axtens Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-s390@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v3 1/1] kasan: Avoid sleepable page allocation from atomic context Message-ID: <202505010807.0tj4Krnz-lkp@intel.com> References: <573a823565734e1eac3aa128fb9d3506ec918a72.1745940843.git.agordeev@linux.ibm.com> Precedence: bulk X-Mailing-List: stable@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: <573a823565734e1eac3aa128fb9d3506ec918a72.1745940843.git.agordeev@linux.ibm.com> Hi Alexander, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master v6.15-rc4 next-20250430] [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/kasan-Avoid-sleepable-page-allocation-from-atomic-context/20250430-001020 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/573a823565734e1eac3aa128fb9d3506ec918a72.1745940843.git.agordeev%40linux.ibm.com patch subject: [PATCH v3 1/1] kasan: Avoid sleepable page allocation from atomic context config: x86_64-buildonly-randconfig-001-20250501 (https://download.01.org/0day-ci/archive/20250501/202505010807.0tj4Krnz-lkp@intel.com/config) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250501/202505010807.0tj4Krnz-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/202505010807.0tj4Krnz-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/kasan/shadow.c:313:11: error: call to undeclared function 'pfn_to_virt'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 313 | __memset(pfn_to_virt(pfn), KASAN_VMALLOC_INVALID, PAGE_SIZE); | ^ mm/kasan/shadow.c:313:11: note: did you mean 'fix_to_virt'? include/asm-generic/fixmap.h:30:38: note: 'fix_to_virt' declared here 30 | static __always_inline unsigned long fix_to_virt(const unsigned int idx) | ^ >> mm/kasan/shadow.c:313:11: error: incompatible integer to pointer conversion passing 'int' to parameter of type 'void *' [-Wint-conversion] 313 | __memset(pfn_to_virt(pfn), KASAN_VMALLOC_INVALID, PAGE_SIZE); | ^~~~~~~~~~~~~~~~ arch/x86/include/asm/string_64.h:23:22: note: passing argument to parameter 's' here 23 | void *__memset(void *s, int c, size_t n); | ^ 2 errors generated. vim +/pfn_to_virt +313 mm/kasan/shadow.c 299 300 static int kasan_populate_vmalloc_pte(pte_t *ptep, unsigned long addr, 301 void *_data) 302 { 303 struct vmalloc_populate_data *data = _data; 304 struct page *page; 305 unsigned long pfn; 306 pte_t pte; 307 308 if (likely(!pte_none(ptep_get(ptep)))) 309 return 0; 310 311 page = data->pages[PFN_DOWN(addr - data->start)]; 312 pfn = page_to_pfn(page); > 313 __memset(pfn_to_virt(pfn), KASAN_VMALLOC_INVALID, PAGE_SIZE); 314 pte = pfn_pte(pfn, PAGE_KERNEL); 315 316 spin_lock(&init_mm.page_table_lock); 317 if (likely(pte_none(ptep_get(ptep)))) 318 set_pte_at(&init_mm, addr, ptep, pte); 319 spin_unlock(&init_mm.page_table_lock); 320 321 return 0; 322 } 323 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki