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| author | Emese Revfy <re.emese@gmail.com> | 2016-05-24 01:11:37 +0300 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.com> | 2016-06-07 23:57:10 +0300 |
| commit | 543c37cb165049c3be24a0d4733e67caa2b33eef (patch) | |
| tree | 91f3e0bb972a6283b607da394268e7e5872292b5 /lib | |
| parent | 0dae776c6bf31e779c172753f6e2d6426eb42523 (diff) | |
| download | linux-543c37cb165049c3be24a0d4733e67caa2b33eef.tar.xz | |
Add sancov plugin
The sancov gcc plugin inserts a __sanitizer_cov_trace_pc() call
at the start of basic blocks.
This plugin is a helper plugin for the kcov feature. It supports
all gcc versions with plugin support (from gcc-4.5 on).
It is based on the gcc commit "Add fuzzing coverage support" by Dmitry Vyukov
(https://gcc.gnu.org/viewcvs/gcc?limit_changes=0&view=revision&revision=231296).
Signed-off-by: Emese Revfy <re.emese@gmail.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michal Marek <mmarek@suse.com>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 77d7d034bac3..b7827dca3fec 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -708,6 +708,8 @@ config KCOV bool "Code coverage for fuzzing" depends on ARCH_HAS_KCOV select DEBUG_FS + select GCC_PLUGINS + select GCC_PLUGIN_SANCOV help KCOV exposes kernel code coverage information in a form suitable for coverage-guided fuzzing (randomized testing). |