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X-CSE-ConnectionGUID: IDBI7fDiQ+a/wIKVAV8kog== X-CSE-MsgGUID: mGkxXXJFSdiAvbR/ZvD9oA== X-IronPort-AV: E=McAfee;i="6800,10657,11762"; a="77438372" X-IronPort-AV: E=Sophos;i="6.23,189,1770624000"; d="scan'208";a="77438372" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2026 18:51:23 -0700 X-CSE-ConnectionGUID: DmncUjkbQUOWtcKDbYajdA== X-CSE-MsgGUID: QruQuPmqSniUzuiXI2ri4w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,189,1770624000"; d="scan'208";a="231461904" Received: from lkp-server01.sh.intel.com (HELO 7e48d0ff8e22) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 19 Apr 2026 18:51:21 -0700 Received: from kbuild by 7e48d0ff8e22 with local (Exim 4.98.2) (envelope-from ) id 1wEdnD-0000000021E-0QeK; Mon, 20 Apr 2026 01:51:19 +0000 Date: Mon, 20 Apr 2026 09:51:16 +0800 From: kernel test robot To: Nathan Chancellor Cc: oe-kbuild-all@lists.linux.dev, Paul Walmsley Subject: [linux-next:master 6676/9539] arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: cast to restricted __le32 Message-ID: <202604200645.53SsmPws-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://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: c7275b05bc428c7373d97aa2da02d3a7fa6b9f66 commit: bdce162f2e57a969803e5e9375999a3e0546905f [6676/9539] riscv: Use 64-bit variable for output in __get_user_asm config: riscv-randconfig-r132-20260420 (https://download.01.org/0day-ci/archive/20260420/202604200645.53SsmPws-lkp@intel.com/config) compiler: riscv64-linux-gcc (GCC) 15.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260420/202604200645.53SsmPws-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/202604200645.53SsmPws-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) WARNING: invalid argument to '-march': '_zacas_zabha' >> arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: cast to restricted __le32 >> arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: cast to restricted __le32 >> arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: cast to restricted __le32 >> arch/riscv/kvm/vcpu_sbi_sta.c:59:13: sparse: sparse: cast to restricted __le32 >> arch/riscv/kvm/vcpu_sbi_sta.c:68:14: sparse: sparse: cast to restricted __le64 >> arch/riscv/kvm/vcpu_sbi_sta.c:68:14: sparse: sparse: cast to restricted __le64 >> arch/riscv/kvm/vcpu_sbi_sta.c:68:14: sparse: sparse: cast to restricted __le64 >> arch/riscv/kvm/vcpu_sbi_sta.c:68:14: sparse: sparse: cast to restricted __le64 vim +59 arch/riscv/kvm/vcpu_sbi_sta.c 38b3390ee48801 Andrew Jones 2023-12-20 24 2a1f6bf079700f Andrew Jones 2023-12-20 25 void kvm_riscv_vcpu_record_steal_time(struct kvm_vcpu *vcpu) 2a1f6bf079700f Andrew Jones 2023-12-20 26 { 38b3390ee48801 Andrew Jones 2023-12-20 27 gpa_t shmem = vcpu->arch.sta.shmem; e9f12b5fff8ad0 Andrew Jones 2023-12-20 28 u64 last_steal = vcpu->arch.sta.last_steal; f072b272aa27d5 Andrew Jones 2024-01-31 29 __le32 __user *sequence_ptr; f072b272aa27d5 Andrew Jones 2024-01-31 30 __le64 __user *steal_ptr; f072b272aa27d5 Andrew Jones 2024-01-31 31 __le32 sequence_le; f072b272aa27d5 Andrew Jones 2024-01-31 32 __le64 steal_le; f072b272aa27d5 Andrew Jones 2024-01-31 33 u32 sequence; f072b272aa27d5 Andrew Jones 2024-01-31 34 u64 steal; e9f12b5fff8ad0 Andrew Jones 2023-12-20 35 unsigned long hva; e9f12b5fff8ad0 Andrew Jones 2023-12-20 36 gfn_t gfn; 38b3390ee48801 Andrew Jones 2023-12-20 37 38b3390ee48801 Andrew Jones 2023-12-20 38 if (shmem == INVALID_GPA) 38b3390ee48801 Andrew Jones 2023-12-20 39 return; e9f12b5fff8ad0 Andrew Jones 2023-12-20 40 e9f12b5fff8ad0 Andrew Jones 2023-12-20 41 /* e9f12b5fff8ad0 Andrew Jones 2023-12-20 42 * shmem is 64-byte aligned (see the enforcement in e9f12b5fff8ad0 Andrew Jones 2023-12-20 43 * kvm_sbi_sta_steal_time_set_shmem()) and the size of sbi_sta_struct e9f12b5fff8ad0 Andrew Jones 2023-12-20 44 * is 64 bytes, so we know all its offsets are in the same page. e9f12b5fff8ad0 Andrew Jones 2023-12-20 45 */ e9f12b5fff8ad0 Andrew Jones 2023-12-20 46 gfn = shmem >> PAGE_SHIFT; e9f12b5fff8ad0 Andrew Jones 2023-12-20 47 hva = kvm_vcpu_gfn_to_hva(vcpu, gfn); e9f12b5fff8ad0 Andrew Jones 2023-12-20 48 e9f12b5fff8ad0 Andrew Jones 2023-12-20 49 if (WARN_ON(kvm_is_error_hva(hva))) { e9f12b5fff8ad0 Andrew Jones 2023-12-20 50 vcpu->arch.sta.shmem = INVALID_GPA; e9f12b5fff8ad0 Andrew Jones 2023-12-20 51 return; e9f12b5fff8ad0 Andrew Jones 2023-12-20 52 } e9f12b5fff8ad0 Andrew Jones 2023-12-20 53 f072b272aa27d5 Andrew Jones 2024-01-31 54 sequence_ptr = (__le32 __user *)(hva + offset_in_page(shmem) + e9f12b5fff8ad0 Andrew Jones 2023-12-20 55 offsetof(struct sbi_sta_struct, sequence)); f072b272aa27d5 Andrew Jones 2024-01-31 56 steal_ptr = (__le64 __user *)(hva + offset_in_page(shmem) + e9f12b5fff8ad0 Andrew Jones 2023-12-20 57 offsetof(struct sbi_sta_struct, steal)); e9f12b5fff8ad0 Andrew Jones 2023-12-20 58 f072b272aa27d5 Andrew Jones 2024-01-31 @59 if (WARN_ON(get_user(sequence_le, sequence_ptr))) e9f12b5fff8ad0 Andrew Jones 2023-12-20 60 return; e9f12b5fff8ad0 Andrew Jones 2023-12-20 61 f072b272aa27d5 Andrew Jones 2024-01-31 62 sequence = le32_to_cpu(sequence_le); e9f12b5fff8ad0 Andrew Jones 2023-12-20 63 sequence += 1; e9f12b5fff8ad0 Andrew Jones 2023-12-20 64 e9f12b5fff8ad0 Andrew Jones 2023-12-20 65 if (WARN_ON(put_user(cpu_to_le32(sequence), sequence_ptr))) e9f12b5fff8ad0 Andrew Jones 2023-12-20 66 return; e9f12b5fff8ad0 Andrew Jones 2023-12-20 67 f072b272aa27d5 Andrew Jones 2024-01-31 @68 if (!WARN_ON(get_user(steal_le, steal_ptr))) { f072b272aa27d5 Andrew Jones 2024-01-31 69 steal = le64_to_cpu(steal_le); e9f12b5fff8ad0 Andrew Jones 2023-12-20 70 vcpu->arch.sta.last_steal = READ_ONCE(current->sched_info.run_delay); e9f12b5fff8ad0 Andrew Jones 2023-12-20 71 steal += vcpu->arch.sta.last_steal - last_steal; e9f12b5fff8ad0 Andrew Jones 2023-12-20 72 WARN_ON(put_user(cpu_to_le64(steal), steal_ptr)); e9f12b5fff8ad0 Andrew Jones 2023-12-20 73 } e9f12b5fff8ad0 Andrew Jones 2023-12-20 74 e9f12b5fff8ad0 Andrew Jones 2023-12-20 75 sequence += 1; e9f12b5fff8ad0 Andrew Jones 2023-12-20 76 WARN_ON(put_user(cpu_to_le32(sequence), sequence_ptr)); e9f12b5fff8ad0 Andrew Jones 2023-12-20 77 e9f12b5fff8ad0 Andrew Jones 2023-12-20 78 kvm_vcpu_mark_page_dirty(vcpu, gfn); 2a1f6bf079700f Andrew Jones 2023-12-20 79 } 2a1f6bf079700f Andrew Jones 2023-12-20 80 :::::: The code at line 59 was first introduced by commit :::::: f072b272aa27d57cf7fe6fdedb30fb50f391974e RISC-V: KVM: Use correct restricted types :::::: TO: Andrew Jones :::::: CC: Anup Patel -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki