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-rw-r--r--gcc_plugin/afl-gcc-fast.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc_plugin/afl-gcc-fast.c b/gcc_plugin/afl-gcc-fast.c
index 3117ccf0..2eef8798 100644
--- a/gcc_plugin/afl-gcc-fast.c
+++ b/gcc_plugin/afl-gcc-fast.c
@@ -192,6 +192,14 @@ static void edit_params(u32 argc, char** argv) {
}
+ if (getenv("AFL_USE_UBSAN")) {
+
+ cc_params[cc_par_cnt++] = "-fsanitize=undefined";
+ cc_params[cc_par_cnt++] = "-fsanitize-undefined-trap-on-error";
+ cc_params[cc_par_cnt++] = "-fno-sanitize-recover=all";
+
+ }
+
}
if (!getenv("AFL_DONT_OPTIMIZE")) {