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d="scan'208";a="360121182" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jun 2023 13:58:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10733"; a="799013151" X-IronPort-AV: E=Sophos;i="6.00,221,1681196400"; d="scan'208";a="799013151" Received: from lkp-server01.sh.intel.com (HELO 15ab08e44a81) ([10.239.97.150]) by FMSMGA003.fm.intel.com with ESMTP; 06 Jun 2023 13:58:14 -0700 Received: from kbuild by 15ab08e44a81 with local (Exim 4.96) (envelope-from ) id 1q6dkr-0005jz-12; Tue, 06 Jun 2023 20:58:13 +0000 Date: Wed, 7 Jun 2023 04:57:42 +0800 From: kernel test robot To: Josh Poimboeuf Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org, Miroslav Benes Subject: [tip:objtool/core 8/12] vmlinux.o: warning: objtool: rust_begin_unwind+0x5c: rust_helper_BUG() is missing a __noreturn annotation Message-ID: <202306070408.EFxuDoRs-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool/core head: ff9a6459bbec06df7da2545020d7383aba13b3fb commit: fedb724c3db5490234ddde0103811c28c2fedae0 [8/12] objtool: Detect missing __noreturn annotations config: x86_64-randconfig-a012-20230606 (https://download.01.org/0day-ci/archive/20230607/202306070408.EFxuDoRs-lkp@intel.com/config) compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=fedb724c3db5490234ddde0103811c28c2fedae0 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip objtool/core git checkout fedb724c3db5490234ddde0103811c28c2fedae0 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202306070408.EFxuDoRs-lkp@intel.com/ All warnings (new ones prefixed by >>): >> vmlinux.o: warning: objtool: rust_begin_unwind+0x5c: rust_helper_BUG() is missing a __noreturn annotation objdump-func vmlinux.o rust_begin_unwind: 0000 00000000000b9e69 : 0000 b9e69: 48 83 ec 48 sub $0x48,%rsp 0004 b9e6d: 48 89 e0 mov %rsp,%rax 0007 b9e70: 48 89 38 mov %rdi,(%rax) 000a b9e73: 48 8d 4c 24 08 lea 0x8(%rsp),%rcx 000f b9e78: 48 89 01 mov %rax,(%rcx) 0012 b9e7b: 48 c7 41 08 00 00 00 00 movq $0x0,0x8(%rcx) b9e7f: R_X86_64_32S _RNvXsR_NtCs3yuwAp0waWO_4core3fmtRNtNtNtB7_5panic10panic_info9PanicInfoNtB5_7Display3fmtCsfATHBUcknU9_6kernel 001a b9e83: 48 8d 54 24 18 lea 0x18(%rsp),%rdx 001f b9e88: 48 c7 02 00 00 00 00 movq $0x0,(%rdx) b9e8b: R_X86_64_32S .rodata+0x137d8 0026 b9e8f: 48 c7 42 08 02 00 00 00 movq $0x2,0x8(%rdx) 002e b9e97: 48 c7 42 10 00 00 00 00 movq $0x0,0x10(%rdx) 0036 b9e9f: 48 89 4a 20 mov %rcx,0x20(%rdx) 003a b9ea3: 48 c7 42 28 01 00 00 00 movq $0x1,0x28(%rdx) 0042 b9eab: 48 c7 c7 00 00 00 00 mov $0x0,%rdi b9eae: R_X86_64_32S _RNvNtNtCsfATHBUcknU9_6kernel5print14format_strings5EMERG 0049 b9eb2: 48 c7 c6 00 00 00 00 mov $0x0,%rsi b9eb5: R_X86_64_32S .rodata+0x13568 0050 b9eb9: 31 c0 xor %eax,%eax 0052 b9ebb: e8 00 00 00 00 call b9ec0 b9ebc: R_X86_64_PLT32 _printk-0x4 0057 b9ec0: e8 00 00 00 00 call b9ec5 b9ec1: R_X86_64_PLT32 rust_helper_BUG-0x4 005c b9ec5: eb fe jmp b9ec5 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki