1 // SPDX-License-Identifier: GPL-2.0
34 static int check_usermem_access_fault(int mem_type, int mode, int mapping,  in check_usermem_access_fault()  argument
47 	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);  in check_usermem_access_fault()
49 	if (fd == -1)  in check_usermem_access_fault()
60 	mte_initialize_current_context(mode, (uintptr_t)ptr, len);  in check_usermem_access_fault()
74 		tag_len = len - tag_offset;  in check_usermem_access_fault()
114 				 * Accessing user memory in kernel with invalid tag should fail in sync  in check_usermem_access_fault()
115 				 * mode without fault but may not fail in async mode as per the  in check_usermem_access_fault()
121 				if (mode == MTE_SYNC_ERR && syscall_len < len) {  in check_usermem_access_fault()
123 				} else if (mode == MTE_ASYNC_ERR && syscall_len == size) {  in check_usermem_access_fault()
142 void format_test_name(char* name, int name_len, int type, int sync, int map, int len, int offset) {  in format_test_name()  argument
165 	switch (sync) {  in format_test_name()
224 						int sync = mte_sync[s];  in main()  local
228 						int res = check_usermem_access_fault(USE_MMAP, sync,  in main()
232 						                 t, sync, map, tag_len, offset);  in main()