sudo sysctl vm.mmap_rnd_bits=28 for ASAN testing

sysown · Mar 12, 2024 · b0ef600 · b0ef600
1 parent 434166e
commit b0ef600
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diff --git a/test/tap/tap/Makefile b/test/tap/tap/Makefile
@@ -50,6 +50,9 @@ STDCPP := -std=c++$(shell echo $(CPLUSPLUS) | cut -c3-4) -DCXX$(shell echo $(CPL
 WASAN :=
 ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	DUMMY := $(shell sudo sysctl vm.mmap_rnd_bits=28)
 endif
 
 OPT := $(STDCPP) -O2 -ggdb -Wl,--no-as-needed $(WASAN)

diff --git a/test/tap/tests/Makefile b/test/tap/tests/Makefile
@@ -148,6 +148,9 @@ endif
 WASAN :=
 ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address -DTEST_WITHASAN
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	DUMMY := $(shell sudo sysctl vm.mmap_rnd_bits=28)
 endif
 
 OPT := $(STDCPP) -O2 -ggdb -Wl,--no-as-needed -Wl,-rpath,$(TAP_LDIR) $(WGCOV) $(WASAN) -DGITVERSION=\"$(GIT_VERSION)\"

diff --git a/test/tap/tests_with_deps/deprecate_eof_support/Makefile b/test/tap/tests_with_deps/deprecate_eof_support/Makefile
@@ -103,6 +103,9 @@ endif
 WASAN :=
 ifeq ($(WITHASAN),1)
 	WASAN := -fsanitize=address
+	# workaroud ASAN limitation ASLR > 28bits
+	# https://github.com/google/sanitizers/issues/1716
+	DUMMY := $(shell sudo sysctl vm.mmap_rnd_bits=28)
 endif
 
 OPT := $(STDCPP) -O2 -ggdb -Wl,--no-as-needed -Wl,-rpath,"../../tap" $(WGCOV) $(WASAN)