README.rst
1.. _protection_tests:
2
3Protection tests
4#################################
5
6Overview
7********
8This test case verifies that protection is provided
9against the following security issues:
10
11* Write to read-only data.
12* Write to text.
13* Execute from data.
14* Execute from stack.
15* Execute from heap.
16
17Building and Running
18********************
19
20This project can be built and executed as follows:
21
22
23.. zephyr-app-commands::
24 :zephyr-app: tests/kernel/mem_protect/protection
25 :board: <board name>
26 :goals: run
27 :compact:
28
29Connect the board to your host computer using the USB port.
30Flash the generated zephyr.bin on the board.
31Reset the board.
32
33Sample Output
34=============
35
36.. code-block:: console
37
38 ***** BOOTING ZEPHYR OS v1.8.99 - BUILD: Jun 19 2017 12:44:27 *****
39 Running test suite test_protection
40 tc_start() - write_ro
41 trying to write to rodata at 0x00003124
42 ***** BUS FAULT *****
43 Executing thread ID (thread): 0x200001bc
44 Faulting instruction address: 0x88c
45 Imprecise data bus error
46 Caught system error -- reason 0
47 ===================================================================
48 PASS - write_ro.
49 tc_start() - write_text
50 trying to write to text at 0x000006c0
51 ***** BUS FAULT *****
52 Executing thread ID (thread): 0x200001bc
53 Faulting instruction address: 0xd60
54 Imprecise data bus error
55 Caught system error -- reason 0
56 ===================================================================
57 PASS - write_text.
58 tc_start() - exec_data
59 trying to call code written to 0x2000041d
60 ***** BUS FAULT *****
61 Executing thread ID (thread): 0x200001bc
62 Faulting instruction address: 0x2000041c
63 Imprecise data bus error
64 Caught system error -- reason 0
65 ===================================================================
66 PASS - exec_data.
67 tc_start() - exec_stack
68 trying to call code written to 0x20000929
69 ***** BUS FAULT *****
70 Executing thread ID (thread): 0x200001bc
71 Faulting instruction address: 0x20000928
72 Imprecise data bus error
73 Caught system error -- reason 0
74 ===================================================================
75 PASS - exec_stack.
76 tc_start() - exec_heap
77 trying to call code written to 0x20000455
78 ***** BUS FAULT *****
79 Executing thread ID (thread): 0x200001bc
80 Faulting instruction address: 0x20000454
81 Imprecise data bus error
82 Caught system error -- reason 0
83 ===================================================================
84 PASS - exec_heap.
85 ===================================================================
86 PROJECT EXECUTION SUCCESSFUL
87
