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Searched refs:mprotect (Results 1 – 25 of 66) sorted by relevance

123

/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()
/linux/tools/testing/selftests/futex/functional/
H A Dfutex_numa_mpol.c146 mprotect(futex_ptr + mem_size, mem_size, PROT_NONE); in TEST()
166 mprotect(futex_ptr, mem_size, PROT_READ); in TEST()
170 mprotect(futex_ptr, mem_size, PROT_NONE); in TEST()
174 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/mm/
H A Dmerge.c137 ASSERT_EQ(mprotect(ptr, 5 * page_size, PROT_READ), 0); in TEST_F()
157 ASSERT_EQ(mprotect(&ptr[5 * page_size], 5 * page_size, PROT_READ), 0); in TEST_F()
188 ASSERT_EQ(mprotect(&ptr[5 * page_size], 5 * page_size, PROT_READ), 0); in TEST_F()
207 ASSERT_EQ(mprotect(ptr, 5 * page_size, PROT_READ), 0); in TEST_F()
238 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
239 ASSERT_EQ(mprotect(&ptr[6 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
258 ASSERT_EQ(mprotect(&ptr[3 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
289 ASSERT_EQ(mprotect(&ptr[6 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
308 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
317 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 Dsoft-dirty.c168 mprotect(map, pagesize, PROT_READ); in test_mprotect()
172 mprotect(map, pagesize, PROT_READ|PROT_WRITE); in test_mprotect()
298 if (mprotect(map, pagesize, PROT_READ | PROT_WRITE | PROT_EXEC)) in test_merge()
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()
1269 mprotect(mem, page_size, PROT_NONE); in mprotect_tests()
1270 mprotect(me in mprotect_tests()
[all...]
H A Dcow.c213 * mprotect() optimizations might try avoiding in do_test_cow_in_parent()
216 ret = mprotect(mem, size, PROT_READ); in do_test_cow_in_parent()
218 ksft_perror("mprotect() failed"); in do_test_cow_in_parent()
225 ret = mprotect(mem, size, PROT_READ|PROT_WRITE); in do_test_cow_in_parent()
227 ksft_perror("mprotect() failed"); in do_test_cow_in_parent()
492 * again by mprotect() optimizations. Note that we don't have an in do_test_iouring()
496 ret = mprotect(mem, size, PROT_READ); in do_test_iouring()
498 ksft_perror("mprotect() failed"); in do_test_iouring()
504 ret = mprotect(mem, size, PROT_READ | PROT_WRITE); in do_test_iouring()
506 ksft_perror("mprotect() faile in do_test_iouring()
[all...]
H A Dhmm-tests.c334 ret = mprotect(buffer->ptr, size, PROT_READ); in TEST_F()
397 ret = mprotect(buffer->ptr, size, PROT_NONE); in TEST_F()
405 ret = mprotect(buffer->ptr, size, PROT_READ); in TEST_F()
514 ret = mprotect(buffer->ptr, size, PROT_WRITE | PROT_READ); in TEST_F()
1227 ret = mprotect(buffer->ptr + 2 * self->page_size, self->page_size, in TEST_F()
1235 ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size, in TEST_F()
1240 ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size, in TEST_F()
1245 ret = mprotect(buffer->ptr + 4 * self->page_size, 2 * self->page_size, in TEST_F()
1537 ret = mprotect(buffer->ptr + 2 * self->page_size, self->page_size, in TEST_F()
1545 ret = mprotect(buffer->ptr + 3 * self->page_size, self->page_size, in TEST_F()
[all …]
H A Dguard-regions.c702 TEST_F(guard_regions, mprotect) in TEST_F() argument
721 ASSERT_EQ(mprotect(&ptr[5 * page_size], 2 * page_size, PROT_READ), 0); in TEST_F()
828 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
829 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
839 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ | PROT_WRITE), 0); in TEST_F()
840 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, in TEST_F()
851 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ), 0); in TEST_F()
852 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, PROT_READ), 0); in TEST_F()
865 ASSERT_EQ(mprotect(ptr, 3 * page_size, PROT_READ | PROT_WRITE), 0); in TEST_F()
866 ASSERT_EQ(mprotect(&ptr[7 * page_size], 3 * page_size, in TEST_F()
/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/tools/testing/selftests/bpf/prog_tests/
H A Dringbuf.c171 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_EXEC), "exec_cons_pos_protect"); in ringbuf_subtest()
195 ASSERT_ERR(mprotect(mmap_ptr, 4 * page_size, PROT_WRITE), "write_protect"); in ringbuf_subtest()
196 ASSERT_ERR(mprotect(mmap_ptr, 4 * page_size, PROT_EXEC), "exec_protect"); in ringbuf_subtest()
205 ASSERT_ERR(mprotect(mmap_ptr, page_size, PROT_WRITE), "write_protect"); in ringbuf_subtest()
206 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()
H A Dtest_lsm.c33 ret = mprotect(GET_PAGE_ADDR(buf, sz), sz, in stack_mprotect()
/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/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/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/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/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/kvm/
H A Dmmu_stress_test.c385 mprotect(mem, slot_size, PROT_READ); in main()
390 mprotect(mem, slot_size, PROT_READ | PROT_WRITE); in main()
/linux/tools/testing/selftests/powerpc/copyloops/
H A Dexc_validate.c98 if (mprotect(p + page_size, page_size, PROT_NONE)) { in test_copy_exception()
/linux/tools/testing/selftests/x86/
H A Dtest_shadow_stack.c412 if (mprotect(shstk_ptr, SS_SIZE, PROT_READ) < 0) { in test_mprotect()
427 if (mprotect(shstk_ptr, SS_SIZE, PROT_READ) < 0) { in test_mprotect()
433 if (mprotect(shstk_ptr, SS_SIZE, PROT_WRITE | PROT_READ) < 0) { in test_mprotect()
/linux/arch/um/os-Linux/
H A Dutil.c23 if (mprotect((void *) address, UM_THREAD_SIZE, PROT_READ | PROT_WRITE) < 0) in stack_protections()

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