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X-CSE-ConnectionGUID: Yx6S/wkITwqYlDGDUWWQMQ== X-CSE-MsgGUID: dcK63pazSt2TlOynMb7WEw== X-IronPort-AV: E=McAfee;i="6800,10657,11719"; a="77298113" X-IronPort-AV: E=Sophos;i="6.21,324,1763452800"; d="scan'208";a="77298113" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2026 06:12:57 -0800 X-CSE-ConnectionGUID: Hf6RaoTRSHiCAc5Zftt/fQ== X-CSE-MsgGUID: scQ7NbMmRMykH/N4AHiTpg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,324,1763452800"; d="scan'208";a="222516334" Received: from abityuts-desk.ger.corp.intel.com (HELO localhost) ([10.245.245.127]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2026 06:12:55 -0800 Date: Wed, 4 Mar 2026 16:12:53 +0200 From: Andy Shevchenko To: kernel test robot , Kees Cook , Ard Biesheuvel Cc: Dmitry Antipov , oe-kbuild-all@lists.linux.dev, David Hildenbrand , Andrew Morton , Linux Memory Management List Subject: Re: [akpm-mm:mm-nonmm-unstable 49/110] __efistub_cmdline.c:undefined reference to `__efistub___lshrdi3' Message-ID: References: <202603041925.KLKqpK6N-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202603041925.KLKqpK6N-lkp@intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo X-Rspam-User: X-Stat-Signature: b156sshmz6n3d3pikuukzajqqc5ykcij X-Rspamd-Queue-Id: 6231440013 X-Rspamd-Server: rspam03 X-HE-Tag: 1772633580-586048 X-HE-Meta: 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 S8zKw7i3 nHtmZyirCWJOyqd8Rcq0T/BX4Nww617N5TT4axYQ1LXIvt/gRhChcJbR+REDvrt33mMjn3tUX0QxJ7ZkpR89vwZewct3IuOTu64cdCviih9/L3oS6tFdhgdUXOpbZf+JhEnoa388h9p9UuquQTNgulNPE711ASCTaTVTHYMWwhJ53Xx4XLWNt+JeDUyXxCH6VPUWN2W3UsNPBUNRCgbo1z69s8sxw8wjLeQ6cnfApewwkOaBIP6IJC2+epnvlRvpL1aiO1+oaCGSC1na7hcJaaluCc6Mg7+f9MF7GqnCrxBwUKS4sYzHRK+/o+TrxVdl+DyEj1l1oUVaMYdgpTK/2OV0d+Q== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Mar 04, 2026 at 07:29:09PM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable > head: 09c4ad73ba08ac959a6afb5e019826743837e0aa > commit: 7c5bff091374a7980431237af80e6da21dce74fe [49/110] lib: fix memparse() to handle overflow > config: riscv-randconfig-001-20260304 (https://download.01.org/0day-ci/archive/20260304/202603041925.KLKqpK6N-lkp@intel.com/config) > compiler: riscv32-linux-gcc (GCC) 8.5.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260304/202603041925.KLKqpK6N-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/202603041925.KLKqpK6N-lkp@intel.com/ > > All errors (new ones prefixed by >>): > > riscv32-linux-ld: drivers/firmware/efi/libstub/lib-cmdline.stub.o: in function `__efistub_.L38': > >> __efistub_cmdline.c:(.init.text+0x1d4): undefined reference to `__efistub___lshrdi3' Wow! It seems compiler tries to use some intrinsics here? Cc'ed to more people who may be stakeholders of the efistub and overflow. -- With Best Regards, Andy Shevchenko