diff options
| author | Nick Mathewson <nickm@torproject.org> | 2017-02-13 09:10:11 -0500 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2017-02-27 16:25:10 -0500 |
| commit | b923c4dc9f011ab8f62e03211407d042dbe9f92a (patch) | |
| tree | 2badc258988ec649c0bca6e36e3e4f6cb98b156b /configure.ac | |
| parent | 2670844b2b64172fb9b02d5e02f928ceb8f59bf7 (diff) | |
| download | tor-b923c4dc9f011ab8f62e03211407d042dbe9f92a.tar.gz tor-b923c4dc9f011ab8f62e03211407d042dbe9f92a.zip | |
Code to disable memory sentinels for fuzzing
This feature makes it possible to turn off memory sentinels (like
those used for safety in buffers.c and memarea.c) when fuzzing, so
that we can catch bugs that they would otherwise prevent.
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index c9e0c2a4ba..8adba3b8b0 100644 --- a/configure.ac +++ b/configure.ac @@ -53,6 +53,8 @@ AC_ARG_ENABLE(libfuzzer, AS_HELP_STRING(--enable-libfuzzer, [build extra fuzzers based on 'libfuzzer'])) AC_ARG_ENABLE(oss-fuzz, AS_HELP_STRING(--enable-oss-fuzz, [build extra fuzzers based on 'oss-fuzz' environment])) +AC_ARG_ENABLE(memory-sentinels, + AS_HELP_STRING(--disable-memory-sentinels, [disable code that tries to prevent some kinds of memory access bugs. For fuzzing only.])) if test "x$enable_coverage" != "xyes" -a "x$enable_asserts_in_tests" = "xno" ; then AC_MSG_ERROR([Can't disable assertions outside of coverage build]) @@ -76,6 +78,11 @@ if test "$enable_system_torrc" = "no"; then [Defined if we're not going to look for a torrc in SYSCONF]) fi +if test "$enable_memory_sentinels" = "no"; then + AC_DEFINE(DISABLE_MEMORY_SENTINELS, 1, + [Defined if we're turning off memory safety code to look for bugs]) +fi + AM_CONDITIONAL(USE_OPENBSD_MALLOC, test "x$enable_openbsd_malloc" = "xyes") AC_ARG_ENABLE(asciidoc, |