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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGLZb-00048C-Sq; Mon, 23 Mar 2020 11:48:51 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jGLZY-00047n-AJ for linux-arm-kernel@lists.infradead.org; Mon, 23 Mar 2020 11:48:49 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C42B51FB; Mon, 23 Mar 2020 04:48:42 -0700 (PDT) Received: from mbp (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 797A13F52E; Mon, 23 Mar 2020 04:48:41 -0700 (PDT) Date: Mon, 23 Mar 2020 11:48:39 +0000 From: Catalin Marinas To: Amit Daniel Kachhap , kbuild test robot Subject: Re: [arm64:for-next/kernel-ptrauth 16/18] aarch64-linux-objdump: warning: fs/squashfs/decompressor_multi.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 Message-ID: <20200323114837.GA4892@mbp> References: <202003211202.2NuTbuJb%lkp@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <202003211202.2NuTbuJb%lkp@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200323_044848_402108_D2A93DDF X-CRM114-Status: GOOD ( 13.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, Kees Cook , Szabolcs Nagy , Kristina Martsenko , Vincenzo Frascino , linux-arm-kernel@lists.infradead.org, daniel.kiss@arm.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sat, Mar 21, 2020 at 12:28:06PM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/kernel-ptrauth > head: 3b446c7d27ddd06342901bb35211363f6944291a > commit: 74afda4016a7437e6e425c3370e4b93b47be8ddf [16/18] arm64: compile the kernel with ptrauth return address signing > config: arm64-randconfig-a001-20200321 (attached as .config) > compiler: aarch64-linux-gcc (GCC) 9.2.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > git checkout 74afda4016a7437e6e425c3370e4b93b47be8ddf > # save the attached .config to linux build tree > GCC_VERSION=9.2.0 make.cross ARCH=arm64 > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot > > All warnings (new ones prefixed by >>): > > >> aarch64-linux-objdump: warning: fs/squashfs/decompressor_multi.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 > -- > >> aarch64-linux-objdump: warning: drivers/gpio/gpio-bt8xx.o: unsupported GNU_PROPERTY_TYPE (5) type: 0xc0000000 Just to make sure I understand the cause of this warning: gcc generates a .note.gnu.property when PAC is enabled for the kernel but binutils doesn't understand it. Is there a way to check for this via the Kconfig options? -- Catalin _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel