From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.88]) (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 5ABFC34196 for ; Fri, 24 Nov 2023 17:51:28 +0000 (UTC) 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="cDcxXIJ3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1700848288; x=1732384288; h=date:from:to:cc:subject:message-id:mime-version; bh=usNefngan+CH7n4eh0VAAgj9P0Yi+vkNmsOTjqq2faM=; b=cDcxXIJ39xiNDFZ6B4lE8xeiB2IhqHlrydT0l1hs41VGKcYVAicc7ctL /Pj/6Cly7pPfi/r1L2UNoOqw1mcQHPxk6q36NfKQYkRFL4qjTMB87WsqG ZoncjY0lwRIWoScbdjLgLjjKsoc6R6hSjd6apDmMTvyy5HGsQH87Vp5jU /NYaT4N0Wgup6eW9VAT3+sQEjtrD8DK1Ev+OK/K/Oo5ptjy1Pl8MssQqW OHhPtunvZy4rI0nKzkYZbAr5WLoPt6ZtqOQX4Fatf33GPY24rUZw8rYkD o1lUQ0gme2gMQK3ub0rSqQ4dnpQ7Ax+4UAWP8q6+CHaIonK7OSSWOOYDr g==; X-IronPort-AV: E=McAfee;i="6600,9927,10904"; a="423589542" X-IronPort-AV: E=Sophos;i="6.04,224,1695711600"; d="scan'208";a="423589542" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2023 09:51:22 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10904"; a="767540158" X-IronPort-AV: E=Sophos;i="6.04,224,1695711600"; d="scan'208";a="767540158" Received: from lkp-server01.sh.intel.com (HELO d584ee6ebdcc) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 24 Nov 2023 09:51:21 -0800 Received: from kbuild by d584ee6ebdcc with local (Exim 4.96) (envelope-from ) id 1r6aKk-00039M-2q; Fri, 24 Nov 2023 17:51:18 +0000 Date: Sat, 25 Nov 2023 01:50:29 +0800 From: kernel test robot To: Al Viro Cc: oe-kbuild-all@lists.linux.dev, linux-fsdevel@vger.kernel.org Subject: [viro-vfs:work.csum-x86 4/18] arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) Message-ID: <202311250010.dikaDI0D-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild-all@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/viro/vfs.git work.csum-x86 head: f6c1313680f1d2319d2061c63abeb76f820319b8 commit: 90c2bfd06916ac7c05129b36683bfd3424d8e0e4 [4/18] Fix the csum_and_copy_..._user() idiocy config: i386-randconfig-061-20231124 (https://download.01.org/0day-ci/archive/20231125/202311250010.dikaDI0D-lkp@intel.com/config) compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231125/202311250010.dikaDI0D-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/202311250010.dikaDI0D-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) net/ipv4/raw.c: note: in included file (through arch/x86/include/asm/checksum.h, include/net/checksum.h, include/linux/skbuff.h, ...): >> arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted __wsum [usertype] v @@ got restricted __wsum_fault @@ arch/x86/include/asm/checksum_32.h:41:57: sparse: expected restricted __wsum [usertype] v arch/x86/include/asm/checksum_32.h:41:57: sparse: got restricted __wsum_fault >> arch/x86/include/asm/checksum_32.h:41:31: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum @@ got restricted __wsum_fault @@ arch/x86/include/asm/checksum_32.h:41:31: sparse: expected restricted __wsum arch/x86/include/asm/checksum_32.h:41:31: sparse: got restricted __wsum_fault net/ipv4/raw.c: note: in included file (through include/linux/skbuff.h, include/linux/pim.h, include/linux/mroute.h): include/net/checksum.h:36:17: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum_fault @@ got restricted __wsum [usertype] @@ include/net/checksum.h:36:17: sparse: expected restricted __wsum_fault include/net/checksum.h:36:17: sparse: got restricted __wsum [usertype] -- net/ipv4/ip_output.c: note: in included file (through arch/x86/include/asm/checksum.h, include/net/checksum.h, include/linux/skbuff.h, ...): >> arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted __wsum [usertype] v @@ got restricted __wsum_fault @@ arch/x86/include/asm/checksum_32.h:41:57: sparse: expected restricted __wsum [usertype] v arch/x86/include/asm/checksum_32.h:41:57: sparse: got restricted __wsum_fault >> arch/x86/include/asm/checksum_32.h:41:31: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum @@ got restricted __wsum_fault @@ arch/x86/include/asm/checksum_32.h:41:31: sparse: expected restricted __wsum arch/x86/include/asm/checksum_32.h:41:31: sparse: got restricted __wsum_fault net/ipv4/ip_output.c: note: in included file (through include/linux/skbuff.h, include/net/net_namespace.h, include/linux/inet.h): include/net/checksum.h:36:17: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum_fault @@ got restricted __wsum [usertype] @@ include/net/checksum.h:36:17: sparse: expected restricted __wsum_fault include/net/checksum.h:36:17: sparse: got restricted __wsum [usertype] -- net/ipv4/icmp.c: note: in included file (through arch/x86/include/asm/checksum.h, include/net/checksum.h, include/linux/skbuff.h, ...): >> arch/x86/include/asm/checksum_32.h:41:57: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected restricted __wsum [usertype] v @@ got restricted __wsum_fault @@ arch/x86/include/asm/checksum_32.h:41:57: sparse: expected restricted __wsum [usertype] v arch/x86/include/asm/checksum_32.h:41:57: sparse: got restricted __wsum_fault >> arch/x86/include/asm/checksum_32.h:41:31: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum @@ got restricted __wsum_fault @@ arch/x86/include/asm/checksum_32.h:41:31: sparse: expected restricted __wsum arch/x86/include/asm/checksum_32.h:41:31: sparse: got restricted __wsum_fault net/ipv4/icmp.c: note: in included file (through include/linux/skbuff.h, include/net/net_namespace.h, include/linux/inet.h): include/net/checksum.h:36:17: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __wsum_fault @@ got restricted __wsum [usertype] @@ include/net/checksum.h:36:17: sparse: expected restricted __wsum_fault include/net/checksum.h:36:17: sparse: got restricted __wsum [usertype] net/ipv4/icmp.c: note: in included file (through include/linux/spinlock.h, include/linux/mmzone.h, include/linux/gfp.h, ...): include/linux/bottom_half.h:33:30: sparse: sparse: context imbalance in 'icmp_reply' - different lock contexts for basic block include/linux/bottom_half.h:33:30: sparse: sparse: context imbalance in '__icmp_send' - different lock contexts for basic block net/ipv4/icmp.c: note: in included file (through include/linux/skbuff.h, include/net/net_namespace.h, include/linux/inet.h): include/net/checksum.h:95:59: sparse: sparse: self-comparison always evaluates to false vim +41 arch/x86/include/asm/checksum_32.h 31 32 /* 33 * Note: when you get a NULL pointer exception here this means someone 34 * passed in an incorrect kernel address to one of these functions. 35 * 36 * If you use these functions directly please don't forget the 37 * access_ok(). 38 */ 39 static inline __wsum csum_partial_copy_nocheck(const void *src, void *dst, int len) 40 { > 41 return from_wsum_fault(csum_partial_copy_generic(src, dst, len)); 42 } 43 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki