tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 5930fa3740c518a9f6ba688fd0c1873d6f3adbce commit: 901128a1ed92d11749cd5ad529be4e30f3196214 [3508/3508] uburma: add uburma command and user object framework headers config: arm64-randconfig-r112-20251210 (https://download.01.org/0day-ci/archive/20251211/202512111346.xfjnxdWL-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251211/202512111346.xfjnxdWL-lkp@i...) 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 <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202512111346.xfjnxdWL-lkp@intel.com/ sparse warnings: (new ones prefixed by >>)

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drivers/ub/urma/uburma/uburma_cmd_tlv.c:80:24: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *args_addr @@ got void [noderef] __user * @@ drivers/ub/urma/uburma/uburma_cmd_tlv.c:80:24: sparse: expected void const *args_addr drivers/ub/urma/uburma/uburma_cmd_tlv.c:80:24: sparse: got void [noderef] __user * drivers/ub/urma/uburma/uburma_cmd_tlv.c:115:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *args_addr @@ got void [noderef] __user * @@ drivers/ub/urma/uburma/uburma_cmd_tlv.c:115:46: sparse: expected void const *args_addr drivers/ub/urma/uburma/uburma_cmd_tlv.c:115:46: sparse: got void [noderef] __user * drivers/ub/urma/uburma/uburma_cmd_tlv.c:184:44: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *args_addr @@ got void [noderef] __user * @@ drivers/ub/urma/uburma/uburma_cmd_tlv.c:184:44: sparse: expected void *args_addr drivers/ub/urma/uburma/uburma_cmd_tlv.c:184:44: sparse: got void [noderef] __user * drivers/ub/urma/uburma/uburma_cmd_tlv.c: note: in included file (through drivers/ub/urma/uburma/uburma_cmd_tlv.h): drivers/ub/urma/uburma/uburma_cmd.h:45:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *args_addr @@ drivers/ub/urma/uburma/uburma_cmd.h:45:41: sparse: expected void const [noderef] __user *from drivers/ub/urma/uburma/uburma_cmd.h:45:41: sparse: got void const *args_addr drivers/ub/urma/uburma/uburma_cmd.h:45:41: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const [noderef] __user *from @@ got void const *args_addr @@ drivers/ub/urma/uburma/uburma_cmd.h:45:41: sparse: expected void const [noderef] __user *from drivers/ub/urma/uburma/uburma_cmd.h:45:41: sparse: got void const *args_addr drivers/ub/urma/uburma/uburma_cmd.h:59:33: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got void *args_addr @@ drivers/ub/urma/uburma/uburma_cmd.h:59:33: sparse: expected void [noderef] __user *to drivers/ub/urma/uburma/uburma_cmd.h:59:33: sparse: got void *args_addr -- drivers/ub/urma/uburma/uburma_dev_ops.c:47:19: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/ub/urma/uburma/uburma_dev_ops.c:47:19: sparse: struct ubcore_device [noderef] __rcu * drivers/ub/urma/uburma/uburma_dev_ops.c:47:19: sparse: struct ubcore_device * drivers/ub/urma/uburma/uburma_dev_ops.c:68:6: sparse: sparse: symbol 'uburma_unregister_mmu' was not declared. Should it be static? drivers/ub/urma/uburma/uburma_dev_ops.c:80:5: sparse: sparse: symbol 'uburma_register_mmu' was not declared. Should it be static? drivers/ub/urma/uburma/uburma_dev_ops.c:103:19: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/ub/urma/uburma/uburma_dev_ops.c:103:19: sparse: struct ubcore_device [noderef] __rcu * drivers/ub/urma/uburma/uburma_dev_ops.c:103:19: sparse: struct ubcore_device *

vim +80 drivers/ub/urma/uburma/uburma_cmd_tlv.c 61 62 static struct uburma_cmd_attr * 63 uburma_create_tlv_attr(struct uburma_cmd_hdr *hdr, 64 uint32_t *attr_size) 65 { 66 struct uburma_cmd_attr *attr; 67 int ret; 68 69 if (hdr->args_len % sizeof(struct uburma_cmd_attr) != 0 || 70 hdr->args_len >= UBURMA_CMD_TLV_MAX_LEN) { 71 uburma_log_err("Invalid args_len: %u.\n", 72 hdr->args_len); 73 return NULL; 74 } 75 attr = kzalloc(hdr->args_len, GFP_KERNEL); 76 if (!attr) 77 return NULL; 78 79 ret = uburma_copy_from_user(

80 attr, (void __user *)(uintptr_t)hdr->args_addr, 81 hdr->args_len); 82 if (ret != 0) { 83 kfree(attr); 84 return NULL; 85 } 86 *attr_size = hdr->args_len / sizeof(struct uburma_cmd_attr); 87 return attr; 88 } 89 90 static int uburma_cmd_tlv_parse_type(struct uburma_cmd_spec *spec, 91 struct uburma_cmd_attr *attr) 92 { 93 uintptr_t ptr_src, ptr_dst; 94 uint32_t i; 95 int ret; 96 97 /* length of uburma spec and from uvs should be strictly checked */ 98 /* as length of uvs ioctl attr should be strictly equal to length of uburma */ 99 if (spec->field_size != attr->field_size || 100 spec->attr_data.bs.el_num != attr->attr_data.bs.el_num) { 101 uburma_log_err( 102 "Invalid attr, spec/attr, field_size: %u/%u, el_num: %u/%u, type: %u.\n", 103 spec->field_size, attr->field_size, 104 spec->attr_data.bs.el_num, 105 attr->attr_data.bs.el_num, spec->type); 106 return -EINVAL; 107 } 108 109 for (i = 0; i < spec->attr_data.bs.el_num; i++) { 110 ptr_dst = 111 (spec->data) + i * spec->attr_data.bs.el_size; 112 ptr_src = 113 (attr->data) + i * attr->attr_data.bs.el_size; 114 ret = uburma_copy_from_user((void *)ptr_dst, 115 (void __user *)ptr_src, 116 spec->field_size); 117 if (ret != 0) 118 return ret; 119 } 120 121 return ret; 122 } 123 124 static int uburma_cmd_tlv_parse(struct uburma_cmd_spec *spec, 125 uint32_t spec_size, 126 struct uburma_cmd_attr *attr, 127 uint32_t attr_size) 128 { 129 uint32_t spec_idx, attr_idx; 130 bool match; 131 int ret; 132 133 /* spec type of this range is only in type */ 134 for (spec_idx = 0; spec_idx < spec_size; spec_idx++) { 135 match = false; 136 for (attr_idx = 0; attr_idx < attr_size; attr_idx++) { 137 if (spec[spec_idx].type == 138 attr[attr_idx].type) { 139 ret = uburma_cmd_tlv_parse_type( 140 &spec[spec_idx], 141 &attr[attr_idx]); 142 if (ret != 0) 143 return ret; 144 match = true; 145 break; 146 } 147 } 148 if (!match && 149 ((spec[spec_idx].flag.bs.mandatory) != 0)) { 150 uburma_log_err( 151 "Failed to match mandatory in type: %u.\n", 152 spec[spec_idx].type); 153 return -EINVAL; 154 } 155 } 156 157 return 0; 158 } 159 160 static int uburma_cmd_tlv_append_type(struct uburma_cmd_spec *spec, 161 struct uburma_cmd_attr *attr) 162 { 163 uintptr_t ptr_src, ptr_dst; 164 uint32_t i; 165 int ret; 166 167 /* length of uburma spec and from uvs should be strictly checked */ 168 /* as length of uvs ioctl attr should be strictly equal to length of uburma */ 169 if (spec->field_size != attr->field_size || 170 spec->attr_data.bs.el_num > attr->attr_data.bs.el_num) { 171 uburma_log_err( 172 "Invalid attr, spec/attr, field_size: %u/%u, array_size: %u/%u, type: %u.\n", 173 spec->field_size, attr->field_size, 174 spec->attr_data.bs.el_num, 175 attr->attr_data.bs.el_num, spec->type); 176 return -EINVAL; 177 } 178 179 for (i = 0; i < spec->attr_data.bs.el_num; i++) { 180 ptr_src = 181 (spec->data) + i * spec->attr_data.bs.el_size; 182 ptr_dst = 183 (attr->data) + i * attr->attr_data.bs.el_size; 184 ret = uburma_copy_to_user((void __user *)ptr_dst, 185 (void *)ptr_src, 186 spec->field_size); 187 if (ret != 0) 188 return ret; 189 } 190 191 return ret; 192 } 193

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