Add ubsan support

Makefile

@@ -75,6 +75,18 @@ OPENSSL_CONFIG_msan = no-asm
 LDFLAGS_msan = -fsanitize=memory
 DEFINES_msan = NDEBUG
 
+VALID_CONFIG_ubsan = 1
+REQUIRE_CUSTOM_LIBRARIES_ubsan = 1
+CC_ubsan = clang
+CXX_ubsan = clang++
+LD_ubsan = clang
+LDXX_ubsan = clang++
+CPPFLAGS_ubsan = -O1 -fsanitize=undefined -fno-omit-frame-pointer
+OPENSSL_CFLAGS_ubsan = -DPURIFY
+OPENSSL_CONFIG_ubsan = no-asm
+LDFLAGS_ubsan = -fsanitize=undefined
+DEFINES_ubsan = NDEBUG
+
 VALID_CONFIG_gcov = 1
 CC_gcov = gcc
 CXX_gcov = g++
@@ -3604,7 +3616,6 @@ endif
 
 
 
-
 ifneq ($(NO_DEPS),true)
 -include $(LIBEND2END_TEST_EMPTY_BATCH_OBJS:.o=.dep)
 endif

templates/Makefile.template

@@ -92,6 +92,18 @@ OPENSSL_CONFIG_msan = no-asm
 LDFLAGS_msan = -fsanitize=memory
 DEFINES_msan = NDEBUG
 
+VALID_CONFIG_ubsan = 1
+REQUIRE_CUSTOM_LIBRARIES_ubsan = 1
+CC_ubsan = clang
+CXX_ubsan = clang++
+LD_ubsan = clang
+LDXX_ubsan = clang++
+CPPFLAGS_ubsan = -O1 -fsanitize=undefined -fno-omit-frame-pointer
+OPENSSL_CFLAGS_ubsan = -DPURIFY
+OPENSSL_CONFIG_ubsan = no-asm
+LDFLAGS_ubsan = -fsanitize=undefined
+DEFINES_ubsan = NDEBUG
+
 VALID_CONFIG_gcov = 1
 CC_gcov = gcc
 CXX_gcov = g++

tools/run_tests/run_tests.py

@@ -111,6 +111,7 @@ _CONFIGS = {
     'tsan': SimpleConfig('tsan', environ={
         'TSAN_OPTIONS': 'suppressions=tools/tsan_suppressions.txt'}),
     'msan': SimpleConfig('msan'),
+    'ubsan': SimpleConfig('ubsan'),
     'asan': SimpleConfig('asan', environ={
         'ASAN_OPTIONS': 'detect_leaks=1:color=always:suppressions=tools/tsan_suppressions.txt'}),
     'gcov': SimpleConfig('gcov'),