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zephyr/tests/kernel/mem_protect/stackprot
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Andrew Boie f2422f1f19 tests: clean up fatal error handlers 
- k_sys_fatal_error_handler() can return on all platforms,
  indicating that the faulting thread should be aborted.
- Hang the system for unexpected faults instead of trying
  to keep going, we have no idea whether the system is even
  runnable.

Prevents infinite crash loops during tests.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
2019-08-06 19:32:22 -07:00
..
src tests: clean up fatal error handlers 2019-08-06 19:32:22 -07:00
CMakeLists.txt
prj.conf tests: stackprot: don't set main stack size 2019-05-03 13:30:16 -07:00
README.txt
testcase.yaml

README.txt 

Title: Stack Protection Support

Description:

This test verifies that stack canaries operate as expected.

--------------------------------------------------------------------------------

Building and Running Project:

This project outputs to the console.  It can be built and executed
on QEMU as follows:

    make run

--------------------------------------------------------------------------------

Troubleshooting:

Problems caused by out-dated project information can be addressed by
issuing one of the following commands then rebuilding the project:

    make clean          # discard results of previous builds
                        # but keep existing configuration info
or
    make pristine       # discard results of previous builds
                        # and restore pre-defined configuration info

--------------------------------------------------------------------------------

Sample Output:
tc_start() - Test Stack Protection Canary

Starts main
Starts alternate_thread
alternate_thread: Input string is too long and stack overflowed!

***** Stack Check Fail! *****
Current thread ID = 0x00103180
Faulting segment:address = 0xdead:0xdeaddead
eax: 0xdeaddead, ebx: 0xdeaddead, ecx: 0xdeaddead, edx: 0xdeaddead
esi: 0xdeaddead, edi: 0xdeaddead, ebp: 0deaddead, esp: 0xdeaddead
eflags: 0xdeaddead
Fatal fault in thread 0x00103180! Aborting.
main: Stack ok
main: Stack ok
main: Stack ok
main: Stack ok
main: Stack ok
main: Stack ok
===================================================================
PASS - main.
===================================================================
PROJECT EXECUTION SUCCESSFUL