From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (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 CF2493F9FB for ; Fri, 27 Mar 2026 13:53:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774619623; cv=none; b=hDPLPqgBFrNWg42H+UNqM7BXKM6aTERoZDwI+EyXyx9BxS71wb4JzZb0NC9T0b1+a6Qz1K1TptDHjWotiYsfFy8bzD4qlLr0GkW2mSsGaqlIZe+fdCV66PiZZEa3LAQfhoi7g7C48JJNmA5zv46Zj+bxokB3ZlML1goU8Y913AA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774619623; c=relaxed/simple; bh=rPv1tCnkNa+VvwyXLvuBBya0JVOEQ1HbdTVUPPCL2CE=; h=Date:From:To:Cc:Subject:Message-ID; b=gQv/WK7mzxg9Le1oyKrUWHsZxDQeI6xB8Z+RYdycXLlimxproLVIZ4U4FHCuslSt0qnID5QZMnbfuZGhndNq3niomkC+bEnphJrFf+GzKBphEEAegfrZSc+ty9xZiDVp1ozf9bFHszw0sy4nWS/1EbPIuPwKWuuyoFfTfMNU6z8= 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=krBHkvSC; arc=none smtp.client-ip=198.175.65.9 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="krBHkvSC" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774619622; x=1806155622; h=date:from:to:cc:subject:message-id; bh=rPv1tCnkNa+VvwyXLvuBBya0JVOEQ1HbdTVUPPCL2CE=; b=krBHkvSCSrvt1ITjhg000GqXEIByyXwlsBOjq92+U6XPlYNbRYcaqHzN TUzQ3f0XsmTScjPwttn1lhxGTZ2c1eg9yN8D0NcWmUf2lE3FAuV1a/aBW a1F1bZ5nuYlJZpPSQFrpwI9jZqhs4py51+rZKJAPeXNE/pqajdyD6I+Sp uK5EL2dQJ8gHkq3DHzRACM3eO1QFdb2JVzYB3cq7aIO8f8+6tT5mCj0gO tqBy3KHCwfy9mKN+7NxOFpHSnJmo6EUy1l24da9D5e2XlWWIxgDM3w5KN JxSyFg2lmsXsxmT/VJtKK1N09I73+ddfa+S2jHCGtrd0M28DIY862WMun A==; X-CSE-ConnectionGUID: m3Br9mdVQQWtKIPPUyed7g== X-CSE-MsgGUID: hbikG9LqQ6qn8HKs1Ug/Fg== X-IronPort-AV: E=McAfee;i="6800,10657,11741"; a="98307704" X-IronPort-AV: E=Sophos;i="6.23,144,1770624000"; d="scan'208";a="98307704" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2026 06:53:41 -0700 X-CSE-ConnectionGUID: XS77X+HfRJ2E3ix5xDUY2g== X-CSE-MsgGUID: UUfpFDZoQyGAkH1c9pEZAw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,144,1770624000"; d="scan'208";a="226919425" Received: from lkp-server01.sh.intel.com (HELO 3905d212be1b) ([10.239.97.150]) by fmviesa004.fm.intel.com with ESMTP; 27 Mar 2026 06:53:39 -0700 Received: from kbuild by 3905d212be1b with local (Exim 4.98.2) (envelope-from ) id 1w67d3-00000000ALB-15Cy; Fri, 27 Mar 2026 13:53:37 +0000 Date: Fri, 27 Mar 2026 21:52:53 +0800 From: kernel test robot To: cros-kernel-buildreports@googlegroups.com Cc: oe-kbuild-all@lists.linux.dev Subject: [android-common:android13-5.15 4/4] include/linux/userfaultfd_k.h:81:64: sparse: sparse: incompatible types in comparison expression (different address spaces): Message-ID: <202603272106.IALaEpg0-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://android.googlesource.com/kernel/common android13-5.15 head: fc88a7504f0f262cc5b2e8a7f58b2a1108034856 commit: 9b613572d6246da9b616f34e4a0e0b5ac74b2dd0 [4/4] ANDROID: userfaultfd: allow SPF for UFFD_FEATURE_SIGBUS on private+anon config: i386-randconfig-r133-20260325 (https://download.01.org/0day-ci/archive/20260327/202603272106.IALaEpg0-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260327/202603272106.IALaEpg0-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/202603272106.IALaEpg0-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) mm/mmap.c: note: in included file (through include/linux/hugetlb.h): >> include/linux/userfaultfd_k.h:81:64: sparse: sparse: incompatible types in comparison expression (different address spaces): include/linux/userfaultfd_k.h:81:64: sparse: struct userfaultfd_ctx * include/linux/userfaultfd_k.h:81:64: sparse: struct userfaultfd_ctx [noderef] __rcu * >> include/linux/userfaultfd_k.h:81:64: sparse: sparse: incompatible types in comparison expression (different address spaces): include/linux/userfaultfd_k.h:81:64: sparse: struct userfaultfd_ctx * include/linux/userfaultfd_k.h:81:64: sparse: struct userfaultfd_ctx [noderef] __rcu * -- >> fs/userfaultfd.c:757:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct userfaultfd_ctx [noderef] __rcu *ctx @@ got struct userfaultfd_ctx *[assigned] ctx @@ fs/userfaultfd.c:757:29: sparse: expected struct userfaultfd_ctx [noderef] __rcu *ctx fs/userfaultfd.c:757:29: sparse: got struct userfaultfd_ctx *[assigned] ctx >> fs/userfaultfd.c:771:45: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct userfaultfd_ctx *ctx @@ got struct userfaultfd_ctx [noderef] __rcu *ctx @@ fs/userfaultfd.c:771:45: sparse: expected struct userfaultfd_ctx *ctx fs/userfaultfd.c:771:45: sparse: got struct userfaultfd_ctx [noderef] __rcu *ctx >> fs/userfaultfd.c:1483:64: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct userfaultfd_ctx [noderef] __rcu *ctx @@ got struct userfaultfd_ctx *ctx @@ fs/userfaultfd.c:1483:64: sparse: expected struct userfaultfd_ctx [noderef] __rcu *ctx fs/userfaultfd.c:1483:64: sparse: got struct userfaultfd_ctx *ctx vim +81 include/linux/userfaultfd_k.h 58 59 extern int mfill_atomic_install_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd, 60 struct vm_area_struct *dst_vma, 61 unsigned long dst_addr, struct page *page, 62 bool newly_allocated, bool wp_copy); 63 64 extern ssize_t mcopy_atomic(struct mm_struct *dst_mm, unsigned long dst_start, 65 unsigned long src_start, unsigned long len, 66 atomic_t *mmap_changing, __u64 mode); 67 extern ssize_t mfill_zeropage(struct mm_struct *dst_mm, 68 unsigned long dst_start, 69 unsigned long len, 70 atomic_t *mmap_changing); 71 extern ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long dst_start, 72 unsigned long len, atomic_t *mmap_changing); 73 extern int mwriteprotect_range(struct mm_struct *dst_mm, 74 unsigned long start, unsigned long len, 75 bool enable_wp, atomic_t *mmap_changing); 76 77 /* mm helpers */ 78 static inline bool is_mergeable_vm_userfaultfd_ctx(struct vm_area_struct *vma, 79 struct vm_userfaultfd_ctx vm_ctx) 80 { > 81 return rcu_access_pointer(vma->vm_userfaultfd_ctx.ctx) == vm_ctx.ctx; 82 } 83 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki