From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BAFDFC4707B for ; Sat, 13 Jan 2024 18:45:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=6Ei7ytAkUzCQsKWuC+FLx7FJehDVBXmM7vT/DR12Zjo=; b=LPcCvxjXMexr/0 Vf3KW8+P6voVIapZN6JpM7dTxUdClRIiXeXlVIcxMH8uIOQfYY0JCYcUSFcj8syXdqm4Wc90/SpBD nBKjKvRtYJY9e47B3MuyXsUVVpm3jkIALW1uSMbzDuV00d6+2DY1him06iVT50slTz8+kZnj0RmRr NYjywBLL/0E6EwPXI9JGtqs4l+uqR/P7bOFn0DMM3FGKetQRCJ+lcY11/qFOg8HHIC0jgvKcMc4J9 yJ+tw2U6QgTnd4ohh13QAFPRg08f++dR0taCvLBm9VYSbKl02S236Ya0of56ehn6Dda4+mmykCehZ AecUnMTbPN7YhywYzslw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rOj0a-005Y5L-13; Sat, 13 Jan 2024 18:45:28 +0000 Received: from mgamail.intel.com ([192.198.163.10]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rOj0X-005Y4B-0H for kexec@lists.infradead.org; Sat, 13 Jan 2024 18:45:26 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1705171525; x=1736707525; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=DiKdK26Z+8poFs8WzHPup5a3zK6NjPvep1ZdekuTEEI=; b=Df7goqOmJnwZYDGVmXdtfscDP4+vrXD7/CQaN3ANoaSs3y5W51pzJhRr vsYqFPCxL3HBdGwDQcvAAzd+W/KuHiocnfdeT3f5ZXclLzNgVhFa4aVtO vMOPrR77SahXNQAk+yo+Nt/oy8xXinIiydQPS3GGbQFUEPn/5yYAFuz52 Z61rNQS6LEMrliDJrRY7Ij0kDC6qJrbWSeUFzE2jWqa3uIeE1HO4hPUKz VT2hdvmyms+BuPzBjt8TSaClOO7Z48tpbVjo6zEE3NNtLvdvqoeh4m/Ic 9LhyAx+/DmJaOmFiiviNWSRWNluny2nCCsZfHfPpoHo23dvSk6AeBhcE2 g==; X-IronPort-AV: E=McAfee;i="6600,9927,10952"; a="6756354" X-IronPort-AV: E=Sophos;i="6.04,192,1695711600"; d="scan'208";a="6756354" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jan 2024 10:45:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10952"; a="817410207" X-IronPort-AV: E=Sophos;i="6.04,192,1695711600"; d="scan'208";a="817410207" Received: from lkp-server02.sh.intel.com (HELO b07ab15da5fe) ([10.239.97.151]) by orsmga001.jf.intel.com with ESMTP; 13 Jan 2024 10:45:14 -0800 Received: from kbuild by b07ab15da5fe with local (Exim 4.96) (envelope-from ) id 1rOj0K-000AoW-1G; Sat, 13 Jan 2024 18:45:12 +0000 Date: Sun, 14 Jan 2024 02:45:06 +0800 From: kernel test robot To: Coiby Xu , kexec@lists.infradead.org Cc: oe-kbuild-all@lists.linux.dev, Ondrej Kozina , Milan Broz , Thomas Staudt , Daniel P =?iso-8859-1?Q?=2E_Berrang=E9?= , Kairui Song , dm-devel@redhat.com, Jan Pazdziora , Pingfan Liu , Baoquan He , Dave Young , linux-kernel@vger.kernel.org, x86@kernel.org, Dave Hansen , Vitaly Kuznetsov , Vivek Goyal Subject: Re: [PATCH v2 3/5] crash_dump: retrieve dm crypt key in kdump kernel Message-ID: <202401140240.upb0a18s-lkp@intel.com> References: <20240110071522.1308935-4-coxu@redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20240110071522.1308935-4-coxu@redhat.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240113_104525_171014_4B7989D7 X-CRM114-Status: GOOD ( 20.80 ) X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org Hi Coiby, kernel test robot noticed the following build warnings: [auto build test WARNING on tip/x86/core] [also build test WARNING on v6.7] [cannot apply to linus/master next-20240112] [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/Coiby-Xu/kexec_file-allow-to-place-kexec_buf-randomly/20240110-151859 base: tip/x86/core patch link: https://lore.kernel.org/r/20240110071522.1308935-4-coxu%40redhat.com patch subject: [PATCH v2 3/5] crash_dump: retrieve dm crypt key in kdump kernel config: i386-buildonly-randconfig-003-20240113 (https://download.01.org/0day-ci/archive/20240114/202401140240.upb0a18s-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240114/202401140240.upb0a18s-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/202401140240.upb0a18s-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/crash_dump_dm_crypt.c:29:16: warning: no previous prototype for 'dm_crypt_key_read' [-Wmissing-prototypes] 29 | ssize_t __weak dm_crypt_key_read(char *buf, size_t count, u64 *ppos) | ^~~~~~~~~~~~~~~~~ kernel/crash_dump_dm_crypt.c:83:6: warning: no previous prototype for 'wipe_dm_crypt_key' [-Wmissing-prototypes] 83 | void wipe_dm_crypt_key(void) | ^~~~~~~~~~~~~~~~~ kernel/crash_dump_dm_crypt.c: In function 'crash_load_dm_crypt_key': kernel/crash_dump_dm_crypt.c:207:16: error: variable 'kbuf' has initializer but incomplete type 207 | struct kexec_buf kbuf = { | ^~~~~~~~~ kernel/crash_dump_dm_crypt.c:208:18: error: 'struct kexec_buf' has no member named 'image' 208 | .image = image, | ^~~~~ kernel/crash_dump_dm_crypt.c:208:26: warning: excess elements in struct initializer 208 | .image = image, | ^~~~~ kernel/crash_dump_dm_crypt.c:208:26: note: (near initialization for 'kbuf') kernel/crash_dump_dm_crypt.c:209:18: error: 'struct kexec_buf' has no member named 'buf_min' 209 | .buf_min = 0, | ^~~~~~~ kernel/crash_dump_dm_crypt.c:209:28: warning: excess elements in struct initializer 209 | .buf_min = 0, | ^ kernel/crash_dump_dm_crypt.c:209:28: note: (near initialization for 'kbuf') kernel/crash_dump_dm_crypt.c:210:18: error: 'struct kexec_buf' has no member named 'buf_max' 210 | .buf_max = ULONG_MAX, | ^~~~~~~ In file included from include/linux/limits.h:7, from include/linux/kernel.h:17, from arch/x86/include/asm/percpu.h:27, from arch/x86/include/asm/nospec-branch.h:14, from arch/x86/include/asm/irqflags.h:9, from include/linux/irqflags.h:17, from include/linux/rcupdate.h:26, from include/linux/rbtree.h:24, from include/linux/key.h:15, from kernel/crash_dump_dm_crypt.c:2: include/vdso/limits.h:13:25: warning: excess elements in struct initializer 13 | #define ULONG_MAX (~0UL) | ^ kernel/crash_dump_dm_crypt.c:210:28: note: in expansion of macro 'ULONG_MAX' 210 | .buf_max = ULONG_MAX, | ^~~~~~~~~ include/vdso/limits.h:13:25: note: (near initialization for 'kbuf') 13 | #define ULONG_MAX (~0UL) | ^ kernel/crash_dump_dm_crypt.c:210:28: note: in expansion of macro 'ULONG_MAX' 210 | .buf_max = ULONG_MAX, | ^~~~~~~~~ kernel/crash_dump_dm_crypt.c:211:18: error: 'struct kexec_buf' has no member named 'top_down' 211 | .top_down = false, | ^~~~~~~~ kernel/crash_dump_dm_crypt.c:211:29: warning: excess elements in struct initializer 211 | .top_down = false, | ^~~~~ kernel/crash_dump_dm_crypt.c:211:29: note: (near initialization for 'kbuf') kernel/crash_dump_dm_crypt.c:212:18: error: 'struct kexec_buf' has no member named 'random' 212 | .random = true, | ^~~~~~ kernel/crash_dump_dm_crypt.c:212:27: warning: excess elements in struct initializer 212 | .random = true, | ^~~~ kernel/crash_dump_dm_crypt.c:212:27: note: (near initialization for 'kbuf') kernel/crash_dump_dm_crypt.c:207:26: error: storage size of 'kbuf' isn't known 207 | struct kexec_buf kbuf = { | ^~~~ kernel/crash_dump_dm_crypt.c:222:20: error: 'KEXEC_BUF_MEM_UNKNOWN' undeclared (first use in this function) 222 | kbuf.mem = KEXEC_BUF_MEM_UNKNOWN; | ^~~~~~~~~~~~~~~~~~~~~ kernel/crash_dump_dm_crypt.c:222:20: note: each undeclared identifier is reported only once for each function it appears in kernel/crash_dump_dm_crypt.c:223:15: error: implicit declaration of function 'kexec_add_buffer' [-Werror=implicit-function-declaration] 223 | ret = kexec_add_buffer(&kbuf); | ^~~~~~~~~~~~~~~~ kernel/crash_dump_dm_crypt.c:207:26: warning: unused variable 'kbuf' [-Wunused-variable] 207 | struct kexec_buf kbuf = { | ^~~~ cc1: some warnings being treated as errors vim +/dm_crypt_key_read +29 kernel/crash_dump_dm_crypt.c 25 26 /* 27 * Architectures may override this function to read dm crypt key 28 */ > 29 ssize_t __weak dm_crypt_key_read(char *buf, size_t count, u64 *ppos) 30 { 31 struct kvec kvec = { .iov_base = buf, .iov_len = count }; 32 struct iov_iter iter; 33 34 iov_iter_kvec(&iter, READ, &kvec, 1, count); 35 return read_from_oldmem(&iter, count, ppos, false); 36 } 37 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec