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Searched refs:mprotect (Results 1 – 25 of 93) sorted by relevance

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/linux/tools/testing/selftests/powerpc/mm/
H A Dexec_prot.c73 if (mprotect(insns, pgsize, PROT_READ | PROT_WRITE | PROT_EXEC)) { in segv_handler()
98 FAIL_IF(mprotect(insns, pgsize, rights) != 0); in check_exec_fault()
173 FAIL_IF(mprotect(insns, pgsize, PROT_EXEC) != 0); in test()
185 FAIL_IF(mprotect(insns, pgsize, PROT_EXEC) != 0); in test()
H A Dpkey_exec_prot.c62 if (mprotect(insns, pgsize, PROT_READ | PROT_WRITE)) { in segv_handler()
84 if (mprotect(insns, pgsize, PROT_EXEC)) { in segv_handler()
/linux/tools/testing/selftests/mm/
H A Dmerge.c73 ASSERT_EQ(mprotect(ptr, 5 * page_size, PROT_READ), 0); in TEST_F()
93 ASSERT_EQ(mprotect(&ptr[5 * page_size], 5 * page_size, PROT_READ), 0); in TEST_F()
124 ASSERT_EQ(mprotect(&ptr[5 * page_size], 5 * page_size, PROT_READ), 0); in TEST_F()
143 ASSERT_EQ(mprotect(ptr, 5 * page_size, PROT_READ), 0); in TEST_F()
174 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
175 ASSERT_EQ(mprotect(&ptr[6 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
194 ASSERT_EQ(mprotect(&ptr[3 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
225 ASSERT_EQ(mprotect(&ptr[6 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
244 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
253 ASSERT_EQ(mprotect(&ptr[3 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
[all …]
H A Dmkdirty.c173 if (mprotect(mem, pagesize, PROT_READ)) { in test_page_migration()
206 if (mprotect(mem, thpsize, PROT_READ)) { in test_page_migration_thp()
245 if (mprotect(mem, thpsize, PROT_READ)) { in test_pte_mapped_thp()
257 if (mprotect(mem + thpsize - pagesize, pagesize, in test_pte_mapped_thp()
H A Dmdwe_test.c240 ret = mprotect(self->p, self->size, PROT_READ | PROT_EXEC); in TEST_F()
251 ret = mprotect(self->p, self->size, PROT_READ | PROT_EXEC); in TEST_F()
266 ret = mprotect(self->p, self->size, PROT_WRITE | PROT_EXEC); in TEST_F()
299 ret = mprotect(self->p, self->size, PROT_EXEC | PROT_BTI); in TEST_F()
H A Dpagemap_ioctl.c199 mprotect(mem, mem_size/8, PROT_READ|PROT_WRITE); in userfaultfd_tests()
200 mprotect(mem + 1 * mem_size/8, mem_size/8, PROT_READ); in userfaultfd_tests()
201 mprotect(mem + 2 * mem_size/8, mem_size/8, PROT_READ|PROT_WRITE); in userfaultfd_tests()
202 mprotect(mem + 3 * mem_size/8, mem_size/8, PROT_READ); in userfaultfd_tests()
203 mprotect(mem + 4 * mem_size/8, mem_size/8, PROT_READ|PROT_WRITE); in userfaultfd_tests()
204 mprotect(mem + 5 * mem_size/8, mem_size/8, PROT_NONE); in userfaultfd_tests()
205 mprotect(mem + 6 * mem_size/8, mem_size/8, PROT_READ|PROT_WRITE); in userfaultfd_tests()
206 mprotect(mem + 7 * mem_size/8, mem_size/8, PROT_READ); in userfaultfd_tests()
1270 mprotect(mem, page_size, PROT_NONE); in mprotect_tests()
1271 mprotect(mem, 2 * page_size, PROT_READ); in mprotect_tests()
[all …]
H A Dcow.c204 ret = mprotect(mem, size, PROT_READ); in do_test_cow_in_parent()
213 ret = mprotect(mem, size, PROT_READ|PROT_WRITE); in do_test_cow_in_parent()
484 ret = mprotect(mem, size, PROT_READ); in do_test_iouring()
492 ret = mprotect(mem, size, PROT_READ | PROT_WRITE); in do_test_iouring()
663 ret = mprotect(mem, size, PROT_READ); in do_test_ro_pin()
665 ret |= mprotect(mem, size, PROT_READ | PROT_WRITE); in do_test_ro_pin()
880 ret = mprotect(mem + pagesize, pagesize, PROT_READ); in do_run_with_thp()
886 ret = mprotect(mem + pagesize, pagesize, PROT_READ | PROT_WRITE); in do_run_with_thp()
1281 ret = mprotect(mem + pagesize, pagesize, PROT_READ); in do_test_anon_thp_collapse()
1287 ret = mprotect(mem + pagesize, pagesize, PROT_READ | PROT_WRITE); in do_test_anon_thp_collapse()
H A Dsoft-dirty.c168 mprotect(map, pagesize, PROT_READ); in test_mprotect()
172 mprotect(map, pagesize, PROT_READ|PROT_WRITE); in test_mprotect()
H A Dhmm-tests.c329 ret = mprotect(buffer->ptr, size, PROT_READ); in TEST_F()
392 ret = mprotect(buffer->ptr, size, PROT_NONE); in TEST_F()
400 ret = mprotect(buffer->ptr, size, PROT_READ); in TEST_F()
509 ret = mprotect(buffer->ptr, size, PROT_WRITE | PROT_READ); in TEST_F()
1191 ret = mprotect(buffer->ptr + 2 * self->page_size, self->page_size, in TEST_F()
1199 ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size, in TEST_F()
1204 ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size, in TEST_F()
1209 ret = mprotect(buffer->ptr + 4 * self->page_size, 2 * self->page_size, in TEST_F()
1501 ret = mprotect(buffer->ptr + 2 * self->page_size, self->page_size, in TEST_F()
1509 ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size, in TEST_F()
[all …]
H A Dguard-regions.c653 TEST_F(guard_regions, mprotect) in TEST_F() argument
672 ASSERT_EQ(mprotect(&ptr[5 * page_size], 2 * page_size, PROT_READ), 0); in TEST_F()
779 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
780 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
790 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ | PROT_WRITE), 0); in TEST_F()
791 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, in TEST_F()
802 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
803 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
816 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ | PROT_WRITE), 0); in TEST_F()
817 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, in TEST_F()
/linux/tools/testing/selftests/futex/functional/
H A Dfutex_numa_mpol.c151 mprotect(futex_ptr + mem_size, mem_size, PROT_NONE); in TEST()
171 mprotect(futex_ptr, mem_size, PROT_READ); in TEST()
175 mprotect(futex_ptr, mem_size, PROT_NONE); in TEST()
179 mprotect(futex_ptr, mem_size, PROT_READ | PROT_WRITE); in TEST()
/linux/Documentation/translations/zh_CN/core-api/
H A Dprotection-keys.rst78 内核试图使保护密钥与普通的mprotect()的行为一致。例如，如果你这样做::
80 mprotect(ptr, size, PROT_NONE);
99 将被设置为SEGV_PKERR，而当违反普通的mprotect()权限时，则是SEGV_ACCERR。
/linux/tools/testing/selftests/bpf/prog_tests/
H A Dbtf_sysfs.c50 if (!ASSERT_EQ(mprotect(raw_data, btf_size, PROT_READ | PROT_WRITE), -1, in test_btf_mmap_sysfs()
54 if (!ASSERT_EQ(mprotect(raw_data, btf_size, PROT_READ | PROT_EXEC), -1, in test_btf_mmap_sysfs()
H A Dringbuf.c170 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect"); in ringbuf_subtest()
194 ASSERT_ERR(mprotect(mmap_ptr, 4 * page_size, PROT_WRITE), "write_protect"); in ringbuf_subtest()
195 ASSERT_ERR(mprotect(mmap_ptr, 4 * page_size, PROT_EXEC), "exec_protect"); in ringbuf_subtest()
204 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_WRITE), "write_protect"); in ringbuf_subtest()
205 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_protect"); in ringbuf_subtest()
H A Dmmap.c135 err = mprotect(map_mmaped, map_sz, PROT_READ); in test_mmap()
152 err = mprotect(map_mmaped, map_sz, PROT_WRITE); in test_mmap()
155 err = mprotect(map_mmaped, map_sz, PROT_EXEC); in test_mmap()
H A Duser_ringbuf.c113 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_WRITE), "write_cons_pos_protect"); in test_user_ringbuf_mappings()
114 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect"); in test_user_ringbuf_mappings()
124 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_prod_pos_protect"); in test_user_ringbuf_mappings()
133 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_data_protect"); in test_user_ringbuf_mappings()
/linux/tools/testing/selftests/powerpc/primitives/
H A Dload_unaligned_zeropad.c43 if (mprotect(mem_region + page_size, page_size, PROT_NONE)) { in protect_region()
53 if (mprotect(mem_region + page_size, page_size, PROT_READ|PROT_WRITE)) { in unprotect_region()
/linux/Documentation/core-api/
H A Dprotection-keys.rst93 behavior of a plain mprotect(). For instance if you do this::
95 mprotect(ptr, size, PROT_NONE);
116 the plain mprotect() permissions are violated.
120 userspace's value of the register or mprotect().
/linux/Documentation/ABI/removed/
H A Dsysfs-selinux-checkreqprot11 to check the protection requested by userspace for mmap/mprotect
23 check the actual protections being applied upon mmap/mprotect calls.
/linux/Documentation/arch/sparc/
H A Dadi.rst39 ADI is enabled on a set of pages using mprotect() with PROT_ADI flag.
83 range, enable ADI on the range using mprotect() and set version tags
84 for the entire range. mprotect() ensures range is aligned to page size
226 if (mprotect(shmaddr, BUFFER_SIZE, PROT_READ|PROT_WRITE|PROT_ADI)) {
227 perror("mprotect failed");
270 if (mprotect(shmaddr, BUFFER_SIZE, PROT_READ|PROT_WRITE)) {
271 perror("mprotect failed");
/linux/tools/testing/selftests/kvm/s390/
H A Dtprot.c219 mprotect(addr_gva2hva(vm, (vm_vaddr_t)pages), PAGE_SIZE * 2, PROT_READ); in main()
232 mprotect(addr_gva2hva(vm, (vm_vaddr_t)0), PAGE_SIZE, PROT_READ); in main()
/linux/Documentation/userspace-api/
H A Dmseal.rst93 - mprotect and pkey_mprotect
102 mprotect and pkey_mprotect are blocked because they changes the
120 - mprotect, pkey_mprotect, madvise: partial update might happen, e.g.
121 when mprotect over multiple VMAs, mprotect might update the beginning
/linux/Documentation/translations/zh_CN/mm/
H A Dovercommit-accounting.rst73 * 我们核算mprotect在提交中的变化
/linux/tools/testing/selftests/powerpc/signal/
H A Dsigreturn_vdso.c114 mprotect((void *)low, size, PROT_READ|PROT_WRITE|PROT_EXEC); in test_sigreturn_vdso()
/linux/tools/testing/selftests/powerpc/copyloops/
H A Dexc_validate.c98 if (mprotect(p + page_size, page_size, PROT_NONE)) { in test_copy_exception()

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