From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) (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 9858B41C62; Tue, 22 Oct 2024 00:05:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729555504; cv=none; b=ltGuDfPq1C3wm0h3FBQllT7/4yJxsghBEHQ4/ouAGtw/3MzepaC7Rg2hGqDnH3lbUboj2rVhlNeuHrmjv6fd/aW5976ziBFB4EZK29yo21R3+i7hlKXTF4TGN5fRGu0nJplH8M9cK+F6fjzeAXrx+NJZw0bA3lHfuJ4mrK7wskI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729555504; c=relaxed/simple; bh=5x6gGOwyX7rO1kjd/9hTV8Rr5+e03ZltQc1RADfVmoQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=IM32TRPIZXmZT+mmg0uhP13XljTIlLyZqxywoiXqNv/bYFvOqw77ehLJJ0keZIusW+7khD1d2n0S9zxLEHpRAAl1XVZWsTYkcqcJRNs/1nYPgeGhaVSqUt+Ej3MGbIQJh4FhI5dzpAKLU8SUu51Hq7X5Kb6Jh8auPtHb7lCwWV0= 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=nkzLoIif; arc=none smtp.client-ip=198.175.65.16 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="nkzLoIif" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729555503; x=1761091503; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=5x6gGOwyX7rO1kjd/9hTV8Rr5+e03ZltQc1RADfVmoQ=; b=nkzLoIif2yEWIWanrIhi5gL/Ilo1HCggIzyGYklHdmtHUMoLTXPnCCG8 z+InFtHzgiEMsyABMdC6WWDT+7NW4tSkPLePeYbJeWKl9nCmb9Y0MGUtm Yg0s8l+1Api7aJi5dEm5qaoWdNVvj+TCWaVFVd+83KLxN6Pojko0lrKYf 7Fnf1FOmf/ccFGByMDjfSx6hLIDX6Edjt/oF5Yj4Zil+HdHeIy5JAa/nB ia0pk2FXmxS1D3sZbDWcrIoWyOBTuf2Vciu4fd5vQslaY2mVFEKXKAy4t KPcfT3spuVAeLP7gZ5S3SyEDbSYlm7WVi9mHCXKRuF2rDA7p1a6Tb0Duk g==; X-CSE-ConnectionGUID: /nEG6bMqTm2LLT7jUy6nQg== X-CSE-MsgGUID: dPyFGuhdQnuZtQGfBEci9Q== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="29177789" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="29177789" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2024 17:05:03 -0700 X-CSE-ConnectionGUID: YU9ncK1OQ2mbg8Ce91GwZw== X-CSE-MsgGUID: di1qBU7GSqWyiBP0vUKKeQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,221,1725346800"; d="scan'208";a="79853197" Received: from lkp-server01.sh.intel.com (HELO a48cf1aa22e8) ([10.239.97.150]) by orviesa006.jf.intel.com with ESMTP; 21 Oct 2024 17:04:59 -0700 Received: from kbuild by a48cf1aa22e8 with local (Exim 4.96) (envelope-from ) id 1t32OO-000Sn0-2G; Tue, 22 Oct 2024 00:04:56 +0000 Date: Tue, 22 Oct 2024 08:04:32 +0800 From: kernel test robot To: Matt Johnston , Jeremy Kerr , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Lunn , Wolfram Sang Cc: oe-kbuild-all@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, Dung Cao Subject: Re: [PATCH net v2] mctp i2c: handle NULL header address Message-ID: <202410220730.90gh2nXQ-lkp@intel.com> References: <20241021-mctp-i2c-null-dest-v2-1-4503e478517c@codeconstruct.com.au> Precedence: bulk X-Mailing-List: stable@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: <20241021-mctp-i2c-null-dest-v2-1-4503e478517c@codeconstruct.com.au> Hi Matt, kernel test robot noticed the following build warnings: [auto build test WARNING on cb560795c8c2ceca1d36a95f0d1b2eafc4074e37] url: https://github.com/intel-lab-lkp/linux/commits/Matt-Johnston/mctp-i2c-handle-NULL-header-address/20241021-123741 base: cb560795c8c2ceca1d36a95f0d1b2eafc4074e37 patch link: https://lore.kernel.org/r/20241021-mctp-i2c-null-dest-v2-1-4503e478517c%40codeconstruct.com.au patch subject: [PATCH net v2] mctp i2c: handle NULL header address config: arc-allmodconfig (https://download.01.org/0day-ci/archive/20241022/202410220730.90gh2nXQ-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241022/202410220730.90gh2nXQ-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/202410220730.90gh2nXQ-lkp@intel.com/ All warnings (new ones prefixed by >>): drivers/net/mctp/mctp-i2c.c: In function 'mctp_i2c_header_create': >> drivers/net/mctp/mctp-i2c.c:599:23: warning: assignment to 'u8' {aka 'unsigned char'} from 'const unsigned char *' makes integer from pointer without a cast [-Wint-conversion] 599 | llsrc = dev->dev_addr; | ^ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for GET_FREE_REGION Depends on [n]: SPARSEMEM [=n] Selected by [m]: - RESOURCE_KUNIT_TEST [=m] && RUNTIME_TESTING_MENU [=y] && KUNIT [=m] vim +599 drivers/net/mctp/mctp-i2c.c 579 580 static int mctp_i2c_header_create(struct sk_buff *skb, struct net_device *dev, 581 unsigned short type, const void *daddr, 582 const void *saddr, unsigned int len) 583 { 584 struct mctp_i2c_hdr *hdr; 585 struct mctp_hdr *mhdr; 586 u8 lldst, llsrc; 587 588 if (len > MCTP_I2C_MAXMTU) 589 return -EMSGSIZE; 590 591 if (daddr) 592 lldst = *((u8 *)daddr); 593 else 594 return -EINVAL; 595 596 if (saddr) 597 llsrc = *((u8 *)saddr); 598 else > 599 llsrc = dev->dev_addr; 600 601 skb_push(skb, sizeof(struct mctp_i2c_hdr)); 602 skb_reset_mac_header(skb); 603 hdr = (void *)skb_mac_header(skb); 604 mhdr = mctp_hdr(skb); 605 hdr->dest_slave = (lldst << 1) & 0xff; 606 hdr->command = MCTP_I2C_COMMANDCODE; 607 hdr->byte_count = len + 1; 608 hdr->source_slave = ((llsrc << 1) & 0xff) | 0x01; 609 mhdr->ver = 0x01; 610 611 return sizeof(struct mctp_i2c_hdr); 612 } 613 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki