From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 3E8722641FC; Fri, 6 Mar 2026 19:08:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772824123; cv=none; b=Ci8L6AfKDvMc+7GCrjnVICgMbLFrV7IsQx4Q1wsikCjO6zd06pDUQst1opvHog/83zoBptMNJN4fyFBvZzaCZRYW6dl/jmsNZhkKLSIDKDgD+bzEe+Y5j6oEFrCPzC2aux6uPfNA9syA4J4boMonXq4ER7VQDPznQrdaS8ltHPc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772824123; c=relaxed/simple; bh=ef6hFzUxVh7i6/XJUGmlO/PZAmpLYp45lR4Vp7jAp4s=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gqhUoD3zD0JqML92oZjhhhBajI5CNim/aUiU6ZAWDRirHekvRs727od61isJq9AsSHKcVz0fOjUhGx79y5ZcpAC5lT66hcIi27kOqLPsSnfnTp59L+M+A8taFyz1WuWYkoiebGK0seqPxpukbh2bK0yYQvxT02rKIk+jE+JtlFs= 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=PZeLqDn0; arc=none smtp.client-ip=198.175.65.11 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="PZeLqDn0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772824121; x=1804360121; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=ef6hFzUxVh7i6/XJUGmlO/PZAmpLYp45lR4Vp7jAp4s=; b=PZeLqDn0ofPHr24cX+548FlILrFLaxuMTZZn42V4r9ZCgsrSlpHrryAH XR4RYcmokPeqa29s88mwfZPZsTy0apd5zmAjaSDCLuUJjUubNwPd2eUUO bb06ABYepI++4+lAzcgrpx+jv7DRSmxqkpeXw/EMtdToXtGEoNYTXl+ct Vwn7MwmtKaheY5pi/K+8thla+6isPTr45onPI+V4jgHIeqee0I/CCw9++ t9KHDDr1CELNunOimh2++SYlRSfdqQN8eHit1tRLweH2S/AUu/MxFFMxx +TWrgwNN5Ha9NW2cI6G5x6wm46uS0HGc5g0zQ6qINEK8Iw+0b1cG5eQ2U A==; X-CSE-ConnectionGUID: Ig9Jh8bhS0y+F5mYzqV8bQ== X-CSE-MsgGUID: DrWRtHRRTieBJ9xpNqYHVw== X-IronPort-AV: E=McAfee;i="6800,10657,11721"; a="84265954" X-IronPort-AV: E=Sophos;i="6.23,105,1770624000"; d="scan'208";a="84265954" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Mar 2026 11:08:41 -0800 X-CSE-ConnectionGUID: mjJzv60jSHyvMFoX7v3H0w== X-CSE-MsgGUID: Qe7inai+RcmS90l6gHCxUg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,105,1770624000"; d="scan'208";a="215747403" Received: from lkp-server01.sh.intel.com (HELO 058beb05654c) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 06 Mar 2026 11:08:38 -0800 Received: from kbuild by 058beb05654c with local (Exim 4.98.2) (envelope-from ) id 1vyaXM-000000001Hh-0nzs; Fri, 06 Mar 2026 19:08:36 +0000 Date: Sat, 7 Mar 2026 03:07:54 +0800 From: kernel test robot To: luoqing , axboe@kernel.dk Cc: oe-kbuild-all@lists.linux.dev, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] block: Use struct_size() helper in kmalloc() Message-ID: <202603070229.0LteZRkh-lkp@intel.com> References: <20260306080056.1262324-1-l1138897701@163.com> Precedence: bulk X-Mailing-List: linux-block@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: <20260306080056.1262324-1-l1138897701@163.com> Hi luoqing, kernel test robot noticed the following build errors: [auto build test ERROR on axboe/for-next] [also build test ERROR on device-mapper-dm/for-next linus/master v7.0-rc2 next-20260306] [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/luoqing/dm-bufio-Use-struct_size-helper-in-kmalloc/20260306-165625 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-next patch link: https://lore.kernel.org/r/20260306080056.1262324-1-l1138897701%40163.com patch subject: [PATCH 1/2] block: Use struct_size() helper in kmalloc() config: alpha-allnoconfig (https://download.01.org/0day-ci/archive/20260307/202603070229.0LteZRkh-lkp@intel.com/config) compiler: alpha-linux-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260307/202603070229.0LteZRkh-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/202603070229.0LteZRkh-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from include/linux/workqueue.h:9, from include/linux/mm_types.h:19, from include/linux/mmzone.h:22, from include/linux/gfp.h:7, from include/linux/mm.h:8, from block/bio.c:5: block/bio.c: In function 'bio_kmalloc': >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:251:16: note: in definition of macro 'alloc_hooks_tag' 251 | typeof(_do_alloc) _res; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:437:40: note: in expansion of macro 'flex_array_size' 437 | size_add(sizeof(*(p)), flex_array_size(p, member, count))) | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ >> include/linux/compiler.h:203:82: error: expression in static assertion is not an integer 203 | #define __BUILD_BUG_ON_ZERO_MSG(e, msg, ...) ((int)sizeof(struct {_Static_assert(!(e), msg);})) | ^ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/overflow.h:420:50: note: in expansion of macro '__must_be_array' 420 | (count) * sizeof(*(p)->member) + __must_be_array((p)->member), \ | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~~~~~ block/bio.c:660:41: error: 'struct bio' has no member named 'bio_vec'; did you mean 'bi_io_vec'? 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/alloc_tag.h:255:24: note: in definition of macro 'alloc_hooks_tag' 255 | _res = _do_alloc; \ | ^~~~~~~~~ include/linux/slab.h:956:49: note: in expansion of macro 'alloc_hooks' 956 | #define kmalloc(...) alloc_hooks(kmalloc_noprof(__VA_ARGS__)) | ^~~~~~~~~~~ block/bio.c:660:16: note: in expansion of macro 'kmalloc' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); | ^~~~~~~ include/linux/compiler.h:208:33: note: in expansion of macro '__BUILD_BUG_ON_ZERO_MSG' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~~~~~~~~~~~~~~ include/linux/compiler.h:207:35: note: in expansion of macro '__same_type' 207 | #define __is_array(a) (!__same_type((a), &(a)[0])) | ^~~~~~~~~~~ include/linux/compiler.h:208:58: note: in expansion of macro '__is_array' 208 | #define __must_be_array(a) __BUILD_BUG_ON_ZERO_MSG(!__is_array(a), \ | ^~~~~~~~~~ include/linux/overflow.h:421:56: note: in expansion of macro '__must_be_array' 421 | size_mul(count, sizeof(*(p)->member) + __must_be_array((p)->member))) | ^~~~~~~~~~~~~~~ include/linux/overflow.h:436:32: note: in expansion of macro 'flex_array_size' 436 | sizeof(*(p)) + flex_array_size(p, member, count), \ | ^~~~~~~~~~~~~~~ block/bio.c:660:24: note: in expansion of macro 'struct_size' 660 | return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); vim +660 block/bio.c 637 638 /** 639 * bio_kmalloc - kmalloc a bio 640 * @nr_vecs: number of bio_vecs to allocate 641 * @gfp_mask: the GFP_* mask given to the slab allocator 642 * 643 * Use kmalloc to allocate a bio (including bvecs). The bio must be initialized 644 * using bio_init() before use. To free a bio returned from this function use 645 * kfree() after calling bio_uninit(). A bio returned from this function can 646 * be reused by calling bio_uninit() before calling bio_init() again. 647 * 648 * Note that unlike bio_alloc() or bio_alloc_bioset() allocations from this 649 * function are not backed by a mempool can fail. Do not use this function 650 * for allocations in the file system I/O path. 651 * 652 * Returns: Pointer to new bio on success, NULL on failure. 653 */ 654 struct bio *bio_kmalloc(unsigned short nr_vecs, gfp_t gfp_mask) 655 { 656 struct bio *bio; 657 658 if (nr_vecs > BIO_MAX_INLINE_VECS) 659 return NULL; > 660 return kmalloc(struct_size(bio, bio_vec, nr_vecs), gfp_mask); 661 } 662 EXPORT_SYMBOL(bio_kmalloc); 663 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki