emo/hardened_malloc
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guard metadata with Memory Protection Keys (MPK)

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Daniel Micay
2018-10-19 21:29:40 -04:00
parent ac8c68de53
commit 0b963078d5
6 changed files with 126 additions and 18 deletions
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5
Makefile
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@@ -1,5 +1,6 @@
CONFIG_CXX_ALLOCATOR := true
CONFIG_UBSAN := false
CONFIG_SEAL_METADATA := false
CPPFLAGS := -D_GNU_SOURCE
SHARED_FLAGS := -O2 -flto -fPIC -fvisibility=hidden -fno-plt -pipe -Wall -Wextra -Wcast-align=strict -Wcast-qual -Wwrite-strings
@@ -22,6 +23,10 @@ ifeq ($(CONFIG_UBSAN),true)
CXXFLAGS += -fsanitize=undefined
endif
ifeq ($(CONFIG_SEAL_METADATA),true)
CPPFLAGS += -DCONFIG_SEAL_METADATA
endif
hardened_malloc.so: $(OBJECTS)
$(CC) $(CFLAGS) $(LDFLAGS) -shared $^ $(LDLIBS) -o $@