From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 1742D1DACB6; Fri, 25 Oct 2024 09:15:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729847708; cv=none; b=NYQ8G+kNhxwFprT3xeOA4ziU6y+mmJBWY6YOeEKYfP6alQsyTTySf2VlKDCg5k4YGkLtB+egAE9hXu7E9P0P0xUTB3xBBa7G/c/ZdwP7msMpyDnjqf/NA8yKIKFAupVmtMQfnz8L72yDepfpGGJ973mvu5Z1ujy/fXCLhs/R0EQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729847708; c=relaxed/simple; bh=4XMDoD+OeLfbg1UVKD38t5UItaObkTJ3EMHjIj5Uj94=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=PDy3az4Rdp0KQgpSbg2rgGy0ktF06lKxeM//FG/aqIxqL3as9+PcUayKUK/kxz7GVdh945MnvEjulgZ5/8+/ZzAlxJTggSa2l+AQe3UVfr/9rKXLvlZsP3AZVEdRAJ8RNX1wPjV/mIacXpL6ECCd2kv69enWiB33zcE38v7hOio= 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=EMX2wLbv; arc=none smtp.client-ip=198.175.65.9 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="EMX2wLbv" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729847706; x=1761383706; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=4XMDoD+OeLfbg1UVKD38t5UItaObkTJ3EMHjIj5Uj94=; b=EMX2wLbvBL+z++EU8aXIWmakBrS2W6+gSnZQAcAFZhn1cchMcslEfDJM 0gs8jStoRqSzyz+tYMTXqBFY1UvzjZrP/kmkKnR9GUrFStk+P7QAVnsY7 53+WNxBpJiVXjl9oq1TO5ndG0iX8uToUjaFCrn0qL8n/0HzhO8wVdfejP yga/DJ2GACQqzrUkE6PFJPdZKcLaoty0HQkclhxHY0215mTs9bnh23noK /2IgkSCgLIDozP8JrIQ3nKP4fsbQdsCCbP3UmWFKcpjso6oT5vOq8Vm2S xUgR6ZeJ4NuLcm/e0Tlov9RV+2bs0feDui7W7Xd+jAz0/+PAslb+Xs+5E g==; X-CSE-ConnectionGUID: +H4Tfs8MS+m8Kq+JUvJ+Ng== X-CSE-MsgGUID: iqwsR7vBRr6Otv3herqZuw== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="52066589" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="52066589" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Oct 2024 02:15:01 -0700 X-CSE-ConnectionGUID: UyiVqf9YRASFXPSsA9mn2Q== X-CSE-MsgGUID: HLEMjEXGRF62b6hBGS5IGA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,231,1725346800"; d="scan'208";a="85653620" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa005.jf.intel.com with ESMTP; 25 Oct 2024 02:14:54 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t4GPD-000XyP-17; Fri, 25 Oct 2024 09:14:51 +0000 Date: Fri, 25 Oct 2024 17:14:26 +0800 From: kernel test robot To: "D. Wythe" , kgraul@linux.ibm.com, wenjia@linux.ibm.com, jaka@linux.ibm.com, ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, martin.lau@linux.dev, pabeni@redhat.com, song@kernel.org, sdf@google.com, haoluo@google.com, yhs@fb.com, edumazet@google.com, john.fastabend@gmail.com, kpsingh@kernel.org, jolsa@kernel.org, guwen@linux.alibaba.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, kuba@kernel.org, davem@davemloft.net, netdev@vger.kernel.org, linux-s390@vger.kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, dtcccc@linux.alibaba.com Subject: Re: [PATCH bpf-next 2/4] bpf: allow to access bpf_prog during bpf_struct_access Message-ID: <202410251600.4VOzw93J-lkp@intel.com> References: <1729737768-124596-3-git-send-email-alibuda@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-rdma@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: <1729737768-124596-3-git-send-email-alibuda@linux.alibaba.com> Hi Wythe, kernel test robot noticed the following build errors: [auto build test ERROR on bpf-next/master] url: https://github.com/intel-lab-lkp/linux/commits/D-Wythe/bpf-export-necessary-sympols-for-modules/20241024-104903 base: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master patch link: https://lore.kernel.org/r/1729737768-124596-3-git-send-email-alibuda%40linux.alibaba.com patch subject: [PATCH bpf-next 2/4] bpf: allow to access bpf_prog during bpf_struct_access config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20241025/202410251600.4VOzw93J-lkp@intel.com/config) compiler: clang version 20.0.0git (https://github.com/llvm/llvm-project 5886454669c3c9026f7f27eab13509dd0241f2d6) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410251600.4VOzw93J-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/202410251600.4VOzw93J-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from drivers/hid/bpf/hid_bpf_struct_ops.c:10: In file included from include/linux/bpf_verifier.h:7: In file included from include/linux/bpf.h:20: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:181: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2213: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion] 518 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_" | ~~~~~~~~~~~ ^ ~~~ include/linux/vmstat.h:524:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 524 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 525 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/hid/bpf/hid_bpf_struct_ops.c:10: In file included from include/linux/bpf_verifier.h:9: In file included from include/linux/filter.h:12: In file included from include/linux/skbuff.h:28: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 548 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 561 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/hid/bpf/hid_bpf_struct_ops.c:10: In file included from include/linux/bpf_verifier.h:9: In file included from include/linux/filter.h:12: In file included from include/linux/skbuff.h:28: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 574 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/hid/bpf/hid_bpf_struct_ops.c:10: In file included from include/linux/bpf_verifier.h:9: In file included from include/linux/filter.h:12: In file included from include/linux/skbuff.h:28: In file included from include/linux/dma-mapping.h:11: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:93: include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 585 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 595 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 605 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 693 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 701 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 709 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 718 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 727 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 736 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/hid/bpf/hid_bpf_struct_ops.c:146:23: error: incompatible function pointer types initializing 'int (*)(struct bpf_verifier_log *, const struct bpf_reg_state *, const struct bpf_prog *, int, int)' with an expression of type 'int (struct bpf_verifier_log *, const struct bpf_reg_state *, int, int)' [-Wincompatible-function-pointer-types] 146 | .btf_struct_access = hid_bpf_ops_btf_struct_access, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 16 warnings and 1 error generated. Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for MODVERSIONS Depends on [n]: MODULES [=y] && !COMPILE_TEST [=y] Selected by [y]: - RANDSTRUCT_FULL [=y] && (CC_HAS_RANDSTRUCT [=y] || GCC_PLUGINS [=n]) && MODULES [=y] vim +146 drivers/hid/bpf/hid_bpf_struct_ops.c ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 142 ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 143 static const struct bpf_verifier_ops hid_bpf_verifier_ops = { bd0747543b3d97 Benjamin Tissoires 2024-06-08 144 .get_func_proto = bpf_base_func_proto, ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 145 .is_valid_access = hid_bpf_ops_is_valid_access, ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 @146 .btf_struct_access = hid_bpf_ops_btf_struct_access, ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 147 }; ebc0d8093e8c97 Benjamin Tissoires 2024-06-08 148 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki