From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (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 2B2B62FFDD5; Sun, 1 Mar 2026 02:03:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772330613; cv=none; b=HOJ91CxxplekZ7G70ZirQKBWnjLq8HnKCMkeBWWTsmn3KuLU3yzljh2OkoLqd6ZvaOwZZ2Mhx/ZszlKwZ90eQRU+UP8HD9P6/kowsvbW5VICMD9xAhIFDYmLUtno1KaiL6lnGlzZv3+pnR3EhEfTBU5fe1+U/MXSCVBv9YLvn5M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772330613; c=relaxed/simple; bh=KZzP/JecF27xHHiJFhTWIUfU3XREE4PimgnFsthN5/A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oNyKQOv6JLITYukvGLri9OydTFEd+LNlkJVmOfERG0h63Fp9dYUBumaZDMIWEvZGAMGu7O6MaiQTMG7T8MK/j14aKC4PZPcgwyj89XrsQSl261VE6p8zWICqQ2UYVIqtKRlDspXZoe4ugmdPSkdbIXi5LnVgigpCiFHrXeM6U/I= 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=RxjXn8St; arc=none smtp.client-ip=192.198.163.11 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="RxjXn8St" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772330611; x=1803866611; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=KZzP/JecF27xHHiJFhTWIUfU3XREE4PimgnFsthN5/A=; b=RxjXn8StrLonnm/3sngiG5MPJlLdX2lJFO2M8ldJkjvSiuMVGpUq2MSl eh0VbHisBIa25X8qUxhUwIpK3QG6+v+ekHLrfXCae2Zi3MhiP/9KyNmAB JyHlGP3osH1ycR54Wb9Hq3e27gOzgFrR2NEXWUn4dQ8T2zdmQVdyUlCmK /dHgB3YPPFvNv2gzdVprv/WrjbsdwrUYzvUqWPqknNo6CpvHWG83DE53S BUHSNzmeej2FCmnJnAoQrx3ODT4ruaEbH4gnarLRoFWw8OCha4v5G8bil hSXvLqwaZMvEsBugJcTLvhrsoPZ2MPSFSe/9ugFzD/q8iqpnHZaJOSmVE w==; X-CSE-ConnectionGUID: 2myQ6w4NRAOi2xSmH9U79g== X-CSE-MsgGUID: IlC7v/yNQ7us+e3Bjb7bBA== X-IronPort-AV: E=McAfee;i="6800,10657,11715"; a="84012019" X-IronPort-AV: E=Sophos;i="6.21,317,1763452800"; d="scan'208";a="84012019" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Feb 2026 18:03:30 -0800 X-CSE-ConnectionGUID: 2F9CqOx2TE6GYuD7zyqyCQ== X-CSE-MsgGUID: MU1ccFKrRu6sm8nt7mKVxw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,317,1763452800"; d="scan'208";a="220438890" Received: from lkp-server01.sh.intel.com (HELO 59784f1c7b2a) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 28 Feb 2026 18:03:26 -0800 Received: from kbuild by 59784f1c7b2a with local (Exim 4.98.2) (envelope-from ) id 1vwW9S-000000000rZ-2a4w; Sun, 01 Mar 2026 02:03:22 +0000 Date: Sun, 1 Mar 2026 10:02:29 +0800 From: kernel test robot To: Blaise Boscaccy , Jonathan Corbet , Paul Moore , James Morris , "Serge E. Hallyn" , =?iso-8859-1?Q?Micka=EBl_Sala=FCn?= , =?iso-8859-1?Q?G=FCnther?= Noack , "Dr. David Alan Gilbert" , Andrew Morton , James.Bottomley@hansenpartnership.com, dhowells@redhat.com, Fan Wu , Ryan Foster , linux-security-module@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org Cc: oe-kbuild-all@lists.linux.dev, Linux Memory Management List Subject: Re: [PATCH v2 07/10] security: Hornet LSM Message-ID: <202603010957.7JUXdjTd-lkp@intel.com> References: <20260227233930.2418522-8-bboscaccy@linux.microsoft.com> Precedence: bulk X-Mailing-List: linux-doc@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: <20260227233930.2418522-8-bboscaccy@linux.microsoft.com> Hi Blaise, kernel test robot noticed the following build errors: [auto build test ERROR on linus/master] [also build test ERROR on v7.0-rc1 next-20260227] [cannot apply to herbert-cryptodev-2.6/master herbert-crypto-2.6/master shuah-kselftest/next shuah-kselftest/fixes] [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/Blaise-Boscaccy/certs-break-out-pkcs7-check-into-its-own-function/20260228-074528 base: linus/master patch link: https://lore.kernel.org/r/20260227233930.2418522-8-bboscaccy%40linux.microsoft.com patch subject: [PATCH v2 07/10] security: Hornet LSM config: um-randconfig-r133-20260228 (https://download.01.org/0day-ci/archive/20260301/202603010957.7JUXdjTd-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260301/202603010957.7JUXdjTd-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/202603010957.7JUXdjTd-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from security/hornet/hornet_lsm.c:10: In file included from include/linux/lsm_hooks.h:29: In file included from include/linux/security.h:35: In file included from include/linux/bpf.h:32: In file included from include/linux/memcontrol.h:13: In file included from include/linux/cgroup.h:27: In file included from include/linux/kernel_stat.h:8: In file included from include/linux/interrupt.h:11: In file included from include/linux/hardirq.h:11: In file included from arch/um/include/asm/hardirq.h:24: In file included from include/linux/irq.h:20: In file included from include/linux/io.h:12: In file included from arch/um/include/asm/io.h:24: include/asm-generic/io.h:1209:55: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 1209 | return (port > MMIO_UPPER_LIMIT) ? NULL : PCI_IOBASE + port; | ~~~~~~~~~~ ^ >> security/hornet/hornet_lsm.c:183:8: error: call to undeclared function 'verify_pkcs7_signature'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 183 | err = verify_pkcs7_signature(prog->insnsi, prog->len * sizeof(struct bpf_insn), | ^ security/hornet/hornet_lsm.c:183:8: note: did you mean 'bpf_verify_pkcs7_signature'? include/linux/bpf.h:3624:5: note: 'bpf_verify_pkcs7_signature' declared here 3624 | int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_p, | ^ >> security/hornet/hornet_lsm.c:197:6: error: call to undeclared function 'validate_pkcs7_trust'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 197 | if (validate_pkcs7_trust(msg, VERIFY_USE_SECONDARY_KEYRING)) { | ^ 1 warning and 2 errors generated. vim +/verify_pkcs7_signature +183 security/hornet/hornet_lsm.c 153 154 static int hornet_check_program(struct bpf_prog *prog, union bpf_attr *attr, 155 struct bpf_token *token, bool is_kernel) 156 { 157 struct hornet_maps maps = {0}; 158 bpfptr_t usig = make_bpfptr(attr->signature, is_kernel); 159 struct pkcs7_message *msg; 160 struct hornet_parse_context *ctx; 161 void *sig; 162 int err; 163 const void *authattrs; 164 size_t authattrs_len; 165 166 if (!attr->signature) 167 return LSM_INT_VERDICT_UNSIGNED; 168 169 ctx = kzalloc(sizeof(struct hornet_parse_context), GFP_KERNEL); 170 if (!ctx) 171 return -ENOMEM; 172 173 maps.fd_array = make_bpfptr(attr->fd_array, is_kernel); 174 sig = kzalloc(attr->signature_size, GFP_KERNEL); 175 if (!sig) { 176 err = -ENOMEM; 177 goto out; 178 } 179 err = copy_from_bpfptr(sig, usig, attr->signature_size); 180 if (err != 0) 181 goto cleanup_sig; 182 > 183 err = verify_pkcs7_signature(prog->insnsi, prog->len * sizeof(struct bpf_insn), 184 sig, attr->signature_size, VERIFY_USE_SECONDARY_KEYRING, 185 VERIFYING_BPF_SIGNATURE, NULL, NULL); 186 if (err < 0) { 187 err = LSM_INT_VERDICT_BADSIG; 188 goto cleanup_sig; 189 } 190 191 msg = pkcs7_parse_message(sig, attr->signature_size); 192 if (IS_ERR(msg)) { 193 err = LSM_INT_VERDICT_BADSIG; 194 goto cleanup_sig; 195 } 196 > 197 if (validate_pkcs7_trust(msg, VERIFY_USE_SECONDARY_KEYRING)) { 198 err = LSM_INT_VERDICT_PARTIALSIG; 199 goto cleanup_msg; 200 } 201 if (pkcs7_get_authattr(msg, OID_hornet_data, 202 &authattrs, &authattrs_len) == -ENODATA) { 203 err = LSM_INT_VERDICT_PARTIALSIG; 204 goto cleanup_msg; 205 } 206 207 err = asn1_ber_decoder(&hornet_decoder, ctx, authattrs, authattrs_len); 208 if (err < 0 || authattrs == NULL) { 209 err = LSM_INT_VERDICT_PARTIALSIG; 210 goto cleanup_msg; 211 } 212 err = hornet_verify_hashes(&maps, ctx, prog); 213 214 cleanup_msg: 215 pkcs7_free_message(msg); 216 cleanup_sig: 217 kfree(sig); 218 out: 219 kfree(ctx); 220 return err; 221 } 222 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki