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X-CSE-ConnectionGUID: 81md6dp0Tf+0cAhczYxdBQ== X-CSE-MsgGUID: wXZMiqXiQxWbxd9PnpKlIA== X-IronPort-AV: E=McAfee;i="6800,10657,11654"; a="68547395" X-IronPort-AV: E=Sophos;i="6.21,183,1763452800"; d="scan'208";a="68547395" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Dec 2025 00:25:07 -0800 X-CSE-ConnectionGUID: urQP25oFQBCDsSUShQoQtg== X-CSE-MsgGUID: J8AZQsTRQn6J2toFoP6y3A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,183,1763452800"; d="scan'208";a="204806911" Received: from lkp-server02.sh.intel.com (HELO dd3453e2b682) ([10.239.97.151]) by orviesa003.jf.intel.com with ESMTP; 28 Dec 2025 00:25:05 -0800 Received: from kbuild by dd3453e2b682 with local (Exim 4.98.2) (envelope-from ) id 1vZm5H-000000006Nx-0LLX; Sun, 28 Dec 2025 08:25:03 +0000 Date: Sun, 28 Dec 2025 16:24:15 +0800 From: kernel test robot To: Greg Ungerer Cc: oe-kbuild-all@lists.linux.dev, linux-m68k@lists.linux-m68k.org, uclinux-dev@uclinux.org Subject: [gerg-m68knommu:armnommu 3/3] arch/arm/mm/alignment.c:776:25: sparse: sparse: incorrect type in argument 1 (different address spaces) Message-ID: <202512281641.zItti8ka-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-m68k@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu.git armnommu head: edf19f0aab57e81f4391d800d6845527413ca77b commit: edf19f0aab57e81f4391d800d6845527413ca77b [3/3] ARM: versatile: support configuring versatile machine for no-MMU config: arm-randconfig-r111-20251228 (https://download.01.org/0day-ci/archive/20251228/202512281641.zItti8ka-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 4ef602d446057dabf5f61fb221669ecbeda49279) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251228/202512281641.zItti8ka-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/202512281641.zItti8ka-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> arch/arm/mm/alignment.c:776:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int [usertype] *ip @@ arch/arm/mm/alignment.c:776:25: sparse: expected void const volatile [noderef] __user *ptr arch/arm/mm/alignment.c:776:25: sparse: got unsigned int [usertype] *ip >> arch/arm/mm/alignment.c:791:25: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned short [usertype] *ip @@ arch/arm/mm/alignment.c:791:25: sparse: expected void const volatile [noderef] __user *ptr arch/arm/mm/alignment.c:791:25: sparse: got unsigned short [usertype] *ip vim +776 arch/arm/mm/alignment.c c2860d43f5dfab George G. Davis 2009-06-04 769 1bb9fb0a147f9d Russell King 2019-09-06 770 static int alignment_get_arm(struct pt_regs *regs, u32 *ip, u32 *inst) 67e15fa5b487ad Russell King 2019-08-31 771 { 67e15fa5b487ad Russell King 2019-08-31 772 u32 instr = 0; 67e15fa5b487ad Russell King 2019-08-31 773 int fault; 67e15fa5b487ad Russell King 2019-08-31 774 67e15fa5b487ad Russell King 2019-08-31 775 if (user_mode(regs)) 67e15fa5b487ad Russell King 2019-08-31 @776 fault = get_user(instr, ip); 67e15fa5b487ad Russell King 2019-08-31 777 else 25f12ae45fc193 Christoph Hellwig 2020-06-17 778 fault = get_kernel_nofault(instr, ip); 67e15fa5b487ad Russell King 2019-08-31 779 67e15fa5b487ad Russell King 2019-08-31 780 *inst = __mem_to_opcode_arm(instr); 67e15fa5b487ad Russell King 2019-08-31 781 67e15fa5b487ad Russell King 2019-08-31 782 return fault; 67e15fa5b487ad Russell King 2019-08-31 783 } 67e15fa5b487ad Russell King 2019-08-31 784 67e15fa5b487ad Russell King 2019-08-31 785 static int alignment_get_thumb(struct pt_regs *regs, u16 *ip, u16 *inst) 67e15fa5b487ad Russell King 2019-08-31 786 { 67e15fa5b487ad Russell King 2019-08-31 787 u16 instr = 0; 67e15fa5b487ad Russell King 2019-08-31 788 int fault; 67e15fa5b487ad Russell King 2019-08-31 789 67e15fa5b487ad Russell King 2019-08-31 790 if (user_mode(regs)) 67e15fa5b487ad Russell King 2019-08-31 @791 fault = get_user(instr, ip); 67e15fa5b487ad Russell King 2019-08-31 792 else 25f12ae45fc193 Christoph Hellwig 2020-06-17 793 fault = get_kernel_nofault(instr, ip); 67e15fa5b487ad Russell King 2019-08-31 794 67e15fa5b487ad Russell King 2019-08-31 795 *inst = __mem_to_opcode_thumb16(instr); 67e15fa5b487ad Russell King 2019-08-31 796 67e15fa5b487ad Russell King 2019-08-31 797 return fault; 67e15fa5b487ad Russell King 2019-08-31 798 } 67e15fa5b487ad Russell King 2019-08-31 799 :::::: The code at line 776 was first introduced by commit :::::: 67e15fa5b487adb9b78a92789eeff2d6ec8f5cee ARM: mm: fix alignment handler faults under memory pressure :::::: TO: Russell King :::::: CC: Russell King -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki