1 // SPDX-License-Identifier: GPL-2.0
29 	1, 537, 989, 1269, MT_GRANULE_SIZE - 1, MT_GRANULE_SIZE,
30 	/* page size - 1*/ 0, /* page_size */ 0, /* page size + 1 */ 0
33 static int check_mte_memory(char *ptr, int size, int mode, int tag_check)  in check_mte_memory()  argument
35 	mte_initialize_current_context(mode, (uintptr_t)ptr, size);  in check_mte_memory()
41 	mte_initialize_current_context(mode, (uintptr_t)ptr, -UNDERFLOW);  in check_mte_memory()
42 	memset(ptr - UNDERFLOW, '2', UNDERFLOW);  in check_mte_memory()
49 	mte_initialize_current_context(mode, (uintptr_t)ptr, size + OVERFLOW);  in check_mte_memory()
60 static int check_anonymous_memory_mapping(int mem_type, int mode, int mapping, int tag_check)  in check_anonymous_memory_mapping()  argument
66 	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);  in check_anonymous_memory_mapping()
74 		mte_initialize_current_context(mode, (uintptr_t)ptr, sizes[run]);  in check_anonymous_memory_mapping()
82 		result = check_mte_memory(ptr, sizes[run], mode, tag_check);  in check_anonymous_memory_mapping()
91 static int check_file_memory_mapping(int mem_type, int mode, int mapping, int tag_check)  in check_file_memory_mapping()  argument
98 	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);  in check_file_memory_mapping()
101 		if (fd == -1)  in check_file_memory_mapping()
111 		mte_initialize_current_context(mode, (uintptr_t)ptr, sizes[run]);  in check_file_memory_mapping()
120 		result = check_mte_memory(ptr, sizes[run], mode, tag_check);  in check_file_memory_mapping()
130 static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping)  in check_clear_prot_mte_flag()  argument
137 	mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG);  in check_clear_prot_mte_flag()
145 		map_ptr = ptr - UNDERFLOW;  in check_clear_prot_mte_flag()
153 		result = check_mte_memory(ptr, sizes[run], mode, TAG_CHECK_ON);  in check_clear_prot_mte_flag()
159 		if (fd == -1)  in check_clear_prot_mte_flag()
168 		map_ptr = ptr - UNDERFLOW;  in check_clear_prot_mte_flag()
177 		result = check_mte_memory(ptr, sizes[run], mode, TAG_CHECK_ON);  in check_clear_prot_mte_flag()
199 	sizes[item - 3] = page_size - 1;  in main()
200 	sizes[item - 2] = page_size;  in main()
201 	sizes[item - 1] = page_size + 1;  in main()
213 	"Check anonymous memory with private mapping, sync error mode, mmap memory and tag check off\n");  in main()
215 …"Check file memory with private mapping, sync error mode, mmap/mprotect memory and tag check off\n…  in main()
219 	"Check anonymous memory with private mapping, no error mode, mmap memory and tag check off\n");  in main()
221 	"Check file memory with private mapping, no error mode, mmap/mprotect memory and tag check off\n");  in main()
224 	"Check anonymous memory with private mapping, sync error mode, mmap memory and tag check on\n");  in main()
226 …"Check anonymous memory with private mapping, sync error mode, mmap/mprotect memory and tag check …  in main()
228 	"Check anonymous memory with shared mapping, sync error mode, mmap memory and tag check on\n");  in main()
230 …"Check anonymous memory with shared mapping, sync error mode, mmap/mprotect memory and tag check o…  in main()
232 	"Check anonymous memory with private mapping, async error mode, mmap memory and tag check on\n");  in main()
234 …"Check anonymous memory with private mapping, async error mode, mmap/mprotect memory and tag check…  in main()
236 	"Check anonymous memory with shared mapping, async error mode, mmap memory and tag check on\n");  in main()
238 …"Check anonymous memory with shared mapping, async error mode, mmap/mprotect memory and tag check …  in main()
241 	"Check file memory with private mapping, sync error mode, mmap memory and tag check on\n");  in main()
243 …"Check file memory with private mapping, sync error mode, mmap/mprotect memory and tag check on\n"…  in main()
245 	"Check file memory with shared mapping, sync error mode, mmap memory and tag check on\n");  in main()
247 	"Check file memory with shared mapping, sync error mode, mmap/mprotect memory and tag check on\n");  in main()
249 	"Check file memory with private mapping, async error mode, mmap memory and tag check on\n");  in main()
251 …"Check file memory with private mapping, async error mode, mmap/mprotect memory and tag check on\n…  in main()
253 	"Check file memory with shared mapping, async error mode, mmap memory and tag check on\n");  in main()
255 …"Check file memory with shared mapping, async error mode, mmap/mprotect memory and tag check on\n"…  in main()
258 	"Check clear PROT_MTE flags with private mapping, sync error mode and mmap memory\n");  in main()
260 	"Check clear PROT_MTE flags with private mapping and sync error mode and mmap/mprotect memory\n");  in main()