diff options
Diffstat (limited to 'tools/testing/selftests/arm64/mte/check_mmap_options.c')
| -rw-r--r-- | tools/testing/selftests/arm64/mte/check_mmap_options.c | 1009 |
1 files changed, 1009 insertions, 0 deletions
diff --git a/tools/testing/selftests/arm64/mte/check_mmap_options.c b/tools/testing/selftests/arm64/mte/check_mmap_options.c new file mode 100644 index 000000000000..c100af3012cb --- /dev/null +++ b/tools/testing/selftests/arm64/mte/check_mmap_options.c @@ -0,0 +1,1009 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2020 ARM Limited + +#define _GNU_SOURCE + +#include <assert.h> +#include <errno.h> +#include <fcntl.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ucontext.h> +#include <sys/mman.h> +#include <sys/stat.h> +#include <sys/types.h> + +#include "kselftest.h" +#include "mte_common_util.h" +#include "mte_def.h" + +#define RUNS (MT_TAG_COUNT) +#define UNDERFLOW MT_GRANULE_SIZE +#define OVERFLOW MT_GRANULE_SIZE +#define TAG_CHECK_ON 0 +#define TAG_CHECK_OFF 1 +#define ATAG_CHECK_ON 1 +#define ATAG_CHECK_OFF 0 + +#define TEST_NAME_MAX 256 + +enum mte_mem_check_type { + CHECK_ANON_MEM = 0, + CHECK_FILE_MEM = 1, + CHECK_CLEAR_PROT_MTE = 2, +}; + +enum mte_tag_op_type { + TAG_OP_ALL = 0, + TAG_OP_STONLY = 1, +}; + +struct check_mmap_testcase { + int check_type; + int mem_type; + int mte_sync; + int mapping; + int tag_check; + int atag_check; + int tag_op; + bool enable_tco; +}; + +#define TAG_OP_ALL 0 +#define TAG_OP_STONLY 1 + +static size_t page_size; +static int sizes[] = { + 1, 537, 989, 1269, MT_GRANULE_SIZE - 1, MT_GRANULE_SIZE, + /* page size - 1*/ 0, /* page_size */ 0, /* page size + 1 */ 0 +}; + +static int check_mte_memory(char *ptr, int size, int mode, + int tag_check,int atag_check, int tag_op) +{ + char buf[MT_GRANULE_SIZE]; + + if (!mtefar_support && atag_check == ATAG_CHECK_ON) + return KSFT_SKIP; + + if (atag_check == ATAG_CHECK_ON) + ptr = mte_insert_atag(ptr); + + mte_initialize_current_context(mode, (uintptr_t)ptr, size); + memset(ptr, '1', size); + mte_wait_after_trig(); + if (cur_mte_cxt.fault_valid == true) + return KSFT_FAIL; + + mte_initialize_current_context(mode, (uintptr_t)ptr, -UNDERFLOW); + memset(ptr - UNDERFLOW, '2', UNDERFLOW); + mte_wait_after_trig(); + if (cur_mte_cxt.fault_valid == false && tag_check == TAG_CHECK_ON) + return KSFT_FAIL; + if (cur_mte_cxt.fault_valid == true && tag_check == TAG_CHECK_OFF) + return KSFT_FAIL; + + mte_initialize_current_context(mode, (uintptr_t)ptr, size + OVERFLOW); + memset(ptr + size, '3', OVERFLOW); + mte_wait_after_trig(); + if (cur_mte_cxt.fault_valid == false && tag_check == TAG_CHECK_ON) + return KSFT_FAIL; + if (cur_mte_cxt.fault_valid == true && tag_check == TAG_CHECK_OFF) + return KSFT_FAIL; + + if (tag_op == TAG_OP_STONLY) { + mte_initialize_current_context(mode, (uintptr_t)ptr, -UNDERFLOW); + memcpy(buf, ptr - UNDERFLOW, MT_GRANULE_SIZE); + mte_wait_after_trig(); + if (cur_mte_cxt.fault_valid == true) + return KSFT_FAIL; + + mte_initialize_current_context(mode, (uintptr_t)ptr, size + OVERFLOW); + memcpy(buf, ptr + size, MT_GRANULE_SIZE); + mte_wait_after_trig(); + if (cur_mte_cxt.fault_valid == true) + return KSFT_FAIL; + } + + return KSFT_PASS; +} + +static int check_anonymous_memory_mapping(int mem_type, int mode, int mapping, + int tag_check, int atag_check, int tag_op) +{ + char *ptr, *map_ptr; + int run, result, map_size; + int item = ARRAY_SIZE(sizes); + + if (tag_op == TAG_OP_STONLY && !mtestonly_support) + return KSFT_SKIP; + + mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, tag_op); + for (run = 0; run < item; run++) { + map_size = sizes[run] + OVERFLOW + UNDERFLOW; + map_ptr = (char *)mte_allocate_memory(map_size, mem_type, mapping, false); + if (check_allocated_memory(map_ptr, map_size, mem_type, false) != KSFT_PASS) + return KSFT_FAIL; + + ptr = map_ptr + UNDERFLOW; + mte_initialize_current_context(mode, (uintptr_t)ptr, sizes[run]); + /* Only mte enabled memory will allow tag insertion */ + ptr = mte_insert_tags((void *)ptr, sizes[run]); + if (!ptr || cur_mte_cxt.fault_valid == true) { + ksft_print_msg("FAIL: Insert tags on anonymous mmap memory\n"); + munmap((void *)map_ptr, map_size); + return KSFT_FAIL; + } + result = check_mte_memory(ptr, sizes[run], mode, tag_check, atag_check, tag_op); + mte_clear_tags((void *)ptr, sizes[run]); + mte_free_memory((void *)map_ptr, map_size, mem_type, false); + if (result != KSFT_PASS) + return result; + } + return KSFT_PASS; +} + +static int check_file_memory_mapping(int mem_type, int mode, int mapping, + int tag_check, int atag_check, int tag_op) +{ + char *ptr, *map_ptr; + int run, fd, map_size; + int total = ARRAY_SIZE(sizes); + int result = KSFT_PASS; + + if (tag_op == TAG_OP_STONLY && !mtestonly_support) + return KSFT_SKIP; + + mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, tag_op); + for (run = 0; run < total; run++) { + fd = create_temp_file(); + if (fd == -1) + return KSFT_FAIL; + + map_size = sizes[run] + UNDERFLOW + OVERFLOW; + map_ptr = (char *)mte_allocate_file_memory(map_size, mem_type, mapping, false, fd); + if (check_allocated_memory(map_ptr, map_size, mem_type, false) != KSFT_PASS) { + close(fd); + return KSFT_FAIL; + } + ptr = map_ptr + UNDERFLOW; + mte_initialize_current_context(mode, (uintptr_t)ptr, sizes[run]); + /* Only mte enabled memory will allow tag insertion */ + ptr = mte_insert_tags((void *)ptr, sizes[run]); + if (!ptr || cur_mte_cxt.fault_valid == true) { + ksft_print_msg("FAIL: Insert tags on file based memory\n"); + munmap((void *)map_ptr, map_size); + close(fd); + return KSFT_FAIL; + } + result = check_mte_memory(ptr, sizes[run], mode, tag_check, atag_check, tag_op); + mte_clear_tags((void *)ptr, sizes[run]); + munmap((void *)map_ptr, map_size); + close(fd); + if (result != KSFT_PASS) + return result; + } + return KSFT_PASS; +} + +static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping, int atag_check) +{ + char *ptr, *map_ptr; + int run, prot_flag, result, fd, map_size; + int total = ARRAY_SIZE(sizes); + + prot_flag = PROT_READ | PROT_WRITE; + mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG, false); + for (run = 0; run < total; run++) { + map_size = sizes[run] + OVERFLOW + UNDERFLOW; + ptr = (char *)mte_allocate_memory_tag_range(sizes[run], mem_type, mapping, + UNDERFLOW, OVERFLOW); + if (check_allocated_memory_range(ptr, sizes[run], mem_type, + UNDERFLOW, OVERFLOW) != KSFT_PASS) + return KSFT_FAIL; + map_ptr = ptr - UNDERFLOW; + /* Try to clear PROT_MTE property and verify it by tag checking */ + if (mprotect(map_ptr, map_size, prot_flag)) { + mte_free_memory_tag_range((void *)ptr, sizes[run], mem_type, + UNDERFLOW, OVERFLOW); + ksft_print_msg("FAIL: mprotect not ignoring clear PROT_MTE property\n"); + return KSFT_FAIL; + } + result = check_mte_memory(ptr, sizes[run], mode, TAG_CHECK_ON, atag_check, TAG_OP_ALL); + mte_free_memory_tag_range((void *)ptr, sizes[run], mem_type, UNDERFLOW, OVERFLOW); + if (result != KSFT_PASS) + return result; + + fd = create_temp_file(); + if (fd == -1) + return KSFT_FAIL; + ptr = (char *)mte_allocate_file_memory_tag_range(sizes[run], mem_type, mapping, + UNDERFLOW, OVERFLOW, fd); + if (check_allocated_memory_range(ptr, sizes[run], mem_type, + UNDERFLOW, OVERFLOW) != KSFT_PASS) { + close(fd); + return KSFT_FAIL; + } + map_ptr = ptr - UNDERFLOW; + /* Try to clear PROT_MTE property and verify it by tag checking */ + if (mprotect(map_ptr, map_size, prot_flag)) { + ksft_print_msg("FAIL: mprotect not ignoring clear PROT_MTE property\n"); + mte_free_memory_tag_range((void *)ptr, sizes[run], mem_type, + UNDERFLOW, OVERFLOW); + close(fd); + return KSFT_FAIL; + } + result = check_mte_memory(ptr, sizes[run], mode, TAG_CHECK_ON, atag_check, TAG_OP_ALL); + mte_free_memory_tag_range((void *)ptr, sizes[run], mem_type, UNDERFLOW, OVERFLOW); + close(fd); + if (result != KSFT_PASS) + return result; + } + return KSFT_PASS; +} + +const char *format_test_name(struct check_mmap_testcase *tc) +{ + static char test_name[TEST_NAME_MAX]; + const char *check_type_str; + const char *mem_type_str; + const char *sync_str; + const char *mapping_str; + const char *tag_check_str; + const char *atag_check_str; + const char *tag_op_str; + + switch (tc->check_type) { + case CHECK_ANON_MEM: + check_type_str = "anonymous memory"; + break; + case CHECK_FILE_MEM: + check_type_str = "file memory"; + break; + case CHECK_CLEAR_PROT_MTE: + check_type_str = "clear PROT_MTE flags"; + break; + default: + assert(0); + break; + } + + switch (tc->mem_type) { + case USE_MMAP: + mem_type_str = "mmap"; + break; + case USE_MPROTECT: + mem_type_str = "mmap/mprotect"; + break; + default: + assert(0); + break; + } + + switch (tc->mte_sync) { + case MTE_NONE_ERR: + sync_str = "no error"; + break; + case MTE_SYNC_ERR: + sync_str = "sync error"; + break; + case MTE_ASYNC_ERR: + sync_str = "async error"; + break; + default: + assert(0); + break; + } + + switch (tc->mapping) { + case MAP_SHARED: + mapping_str = "shared"; + break; + case MAP_PRIVATE: + mapping_str = "private"; + break; + default: + assert(0); + break; + } + + switch (tc->tag_check) { + case TAG_CHECK_ON: + tag_check_str = "tag check on"; + break; + case TAG_CHECK_OFF: + tag_check_str = "tag check off"; + break; + default: + assert(0); + break; + } + + switch (tc->atag_check) { + case ATAG_CHECK_ON: + atag_check_str = "with address tag [63:60]"; + break; + case ATAG_CHECK_OFF: + atag_check_str = "without address tag [63:60]"; + break; + default: + assert(0); + break; + } + + snprintf(test_name, sizeof(test_name), + "Check %s with %s mapping, %s mode, %s memory and %s (%s)\n", + check_type_str, mapping_str, sync_str, mem_type_str, + tag_check_str, atag_check_str); + + switch (tc->tag_op) { + case TAG_OP_ALL: + tag_op_str = ""; + break; + case TAG_OP_STONLY: + tag_op_str = " / store-only"; + break; + default: + assert(0); + break; + } + + snprintf(test_name, TEST_NAME_MAX, + "Check %s with %s mapping, %s mode, %s memory and %s (%s%s)\n", + check_type_str, mapping_str, sync_str, mem_type_str, + tag_check_str, atag_check_str, tag_op_str); + + return test_name; +} + +int main(int argc, char *argv[]) +{ + int err, i; + int item = ARRAY_SIZE(sizes); + struct check_mmap_testcase test_cases[]= { + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_OFF, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = true, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_OFF, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = true, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_NONE_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_OFF, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_NONE_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_OFF, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_CLEAR_PROT_MTE, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_CLEAR_PROT_MTE, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_OFF, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_ANON_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_SHARED, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_FILE_MEM, + .mem_type = USE_MMAP, + .mte_sync = MTE_ASYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_STONLY, + .enable_tco = false, + }, + { + .check_type = CHECK_CLEAR_PROT_MTE, + .mem_type = USE_MMAP, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + { + .check_type = CHECK_CLEAR_PROT_MTE, + .mem_type = USE_MPROTECT, + .mte_sync = MTE_SYNC_ERR, + .mapping = MAP_PRIVATE, + .tag_check = TAG_CHECK_ON, + .atag_check = ATAG_CHECK_ON, + .tag_op = TAG_OP_ALL, + .enable_tco = false, + }, + }; + + err = mte_default_setup(); + if (err) + return err; + page_size = getpagesize(); + if (!page_size) { + ksft_print_msg("ERR: Unable to get page size\n"); + return KSFT_FAIL; + } + sizes[item - 3] = page_size - 1; + sizes[item - 2] = page_size; + sizes[item - 1] = page_size + 1; + + /* Set test plan */ + ksft_set_plan(ARRAY_SIZE(test_cases)); + + for (i = 0 ; i < ARRAY_SIZE(test_cases); i++) { + /* Register signal handlers */ + mte_register_signal(SIGBUS, mte_default_handler, + test_cases[i].atag_check == ATAG_CHECK_ON); + mte_register_signal(SIGSEGV, mte_default_handler, + test_cases[i].atag_check == ATAG_CHECK_ON); + + if (test_cases[i].enable_tco) + mte_enable_pstate_tco(); + else + mte_disable_pstate_tco(); + + switch (test_cases[i].check_type) { + case CHECK_ANON_MEM: + evaluate_test(check_anonymous_memory_mapping(test_cases[i].mem_type, + test_cases[i].mte_sync, + test_cases[i].mapping, + test_cases[i].tag_check, + test_cases[i].atag_check, + test_cases[i].tag_op), + format_test_name(&test_cases[i])); + break; + case CHECK_FILE_MEM: + evaluate_test(check_file_memory_mapping(test_cases[i].mem_type, + test_cases[i].mte_sync, + test_cases[i].mapping, + test_cases[i].tag_check, + test_cases[i].atag_check, + test_cases[i].tag_op), + format_test_name(&test_cases[i])); + break; + case CHECK_CLEAR_PROT_MTE: + evaluate_test(check_clear_prot_mte_flag(test_cases[i].mem_type, + test_cases[i].mte_sync, + test_cases[i].mapping, + test_cases[i].atag_check), + format_test_name(&test_cases[i])); + break; + default: + exit(KSFT_FAIL); + } + } + + mte_restore_setup(); + ksft_print_cnts(); + return ksft_get_fail_cnt() == 0 ? KSFT_PASS : KSFT_FAIL; +} |