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MarcoFalke 4aaeb04497
Merge #17205: ci: Enable address sanitizer (ASan) stack-use-after-return checking 
8d22ab0e50 ci: Enable address sanitizer (ASan) stack-use-after-return checking (practicalswift)

Pull request description:

  Enable address sanitizer (ASan) stack-use-after-return checking (`detect_stack_use_after_return=1`).

  Example:

  ```
  #include <iostream>
  #include <string>

  const std::string& get_string(int i) {
      return std::to_string(i);
  }

  int main() {
      std::cout << get_string(41) << "\n";
  }
  ```

  Without address sanitizer (ASan) stack-use-after-return checking:

  ```
  $ ./stack-use-after-return

  $
  ```

  With address sanitizer (ASan) stack-use-after-return checking:

  ```
  $ ASAN_OPTIONS="detect_stack_use_after_return=1" ./stack-use-after-return
  =================================================================
  ==10400==ERROR: AddressSanitizer: stack-use-after-return on address 0x7f7fa0400030 at pc 0x00000049d2cc bp 0x7ffcbd617070 sp 0x7ffcbd616820
  READ of size 2 at 0x7f7abbecd030 thread T0
      #0 0x439781 in fwrite
      #1 0x7f7ac0504cb3 in std::basic_ostream<char, std::char_traits<char> >& std::__ostream_insert<char, std::char_traits<char> >(std::basic_ostream<char, std::char_traits<char> >&, char const*, long) (/usr/lib/x86_64-linux-gnu/libstdc++.so.6+0x113cb3)
      #2 0x4f9b5f in main stack-use-after-return.cpp:9:15
      #3 0x7f7abf440b96 in __libc_start_main
      #4 0x41bbc9 in _start
  …
  $
  ```

Top commit has no ACKs.

Tree-SHA512: 6557a9ff184023380fd9aa433cdf413e01a928ea99dbc59ec138e5d69cb9e13592e8bb5951612f231ff17a37a895bec5c0940c8db5f328a5c840a5771bdeeba5
2019-10-22 13:14:16 -04:00
..
extended_lint ci: Rename .travis/ to ./ci/ 2019-08-15 11:11:45 -04:00
lint ci: Cleanup macOS runs 2019-10-17 10:47:02 -04:00
retry ci: Remove dependence on travis, use it as fallback env 2019-08-15 11:12:34 -04:00
test Merge #17205: ci: Enable address sanitizer (ASan) stack-use-after-return checking 2019-10-22 13:14:16 -04:00
README.md ci: Add environment files for all settings 2019-08-16 08:46:37 -04:00
test_run_all.sh ci: Add environment files for all settings 2019-08-16 08:46:37 -04:00

README.md

ci scripts

This directory contains scripts for each build step in each build stage.

Currently three stages lint, extended_lint and test are defined. Each stage has its own lifecycle, similar to the Travis CI lifecycle. Every script in here is named and numbered according to which stage and lifecycle step it belongs to.

Running a stage locally

To allow for a wide range of tested environments, but also ensure reproducibility to some extent, the test stage requires docker to be installed. To install all requirements on Ubuntu, run

sudo apt install docker.io ccache bash git

To run the default test stage,

./ci/test_run_all.sh

To run the test stage with a specific configuration,

FILE_ENV="./ci/test/00_setup_env_arm.sh" ./ci/test_run_all.sh

Be aware that the tests will be build and run in-place, so please run at your own risk. If the repository is not a fresh git clone, you might have to clean files from previous builds or test runs first.