Git-Mirrors/hardened_malloc
1
0
Fork 0
mirror of https://github.com/GrapheneOS/hardened_malloc.git synced 2025-08-05 05:14:27 -04:00
Code Issues Projects Releases Packages Wiki Activity

perform size checks on various operations

Browse source 
Signed-off-by: Tavi <tavi@divested.dev>
Co-authored-by: =?UTF-8?q?Christian=20G=C3=B6ttsche?= <cgzones@googlemail.com>
This commit is contained in:
Tavi 2025-03-22 02:54:10 -04:00
parent 7481c8857f
commit 2f06cddeb7
No known key found for this signature in database
GPG key ID: E599F62ECBAEAF2E
46 changed files with 1166 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

28
Makefile
View file

@ -40,6 +40,10 @@ CXXFLAGS := $(CXXFLAGS) -std=c++17 -fsized-deallocation $(SHARED_FLAGS)
LDFLAGS := $(LDFLAGS) -Wl,-O1,--as-needed,-z,defs,-z,relro,-z,now,-z,nodlopen,-z,text
SOURCES := chacha.c h_malloc.c memory.c pages.c random.c util.c
ifeq ($(CONFIG_BLOCK_OPS_CHECK_SIZE),true)
SOURCES += memcpy.c memccpy.c memmove.c memset.c swab.c wmemset.c
BOSC_EXTRAS := musl.h
endif
OBJECTS := $(SOURCES:.c=.o)
ifeq ($(CONFIG_CXX_ALLOCATOR),true)
@ -89,6 +93,10 @@ ifeq (,$(filter $(CONFIG_SELF_INIT),true false))
$(error CONFIG_SELF_INIT must be true or false)
endif
ifeq (,$(filter $(CONFIG_BLOCK_OPS_CHECK_SIZE),true false))
$(error CONFIG_BLOCK_OPS_CHECK_SIZE must be true or false)
endif
CPPFLAGS += \
-DCONFIG_SEAL_METADATA=$(CONFIG_SEAL_METADATA) \
-DZERO_ON_FREE=$(CONFIG_ZERO_ON_FREE) \
@ -108,7 +116,8 @@ CPPFLAGS += \
-DCONFIG_CLASS_REGION_SIZE=$(CONFIG_CLASS_REGION_SIZE) \
-DN_ARENA=$(CONFIG_N_ARENA) \
-DCONFIG_STATS=$(CONFIG_STATS) \
-DCONFIG_SELF_INIT=$(CONFIG_SELF_INIT)
-DCONFIG_SELF_INIT=$(CONFIG_SELF_INIT) \
-DCONFIG_BLOCK_OPS_CHECK_SIZE=$(CONFIG_BLOCK_OPS_CHECK_SIZE)
$(OUT)/libhardened_malloc$(SUFFIX).so: $(OBJECTS) | $(OUT)
$(CC) $(CFLAGS) $(LDFLAGS) -shared $^ $(LDLIBS) -o $@
@ -118,7 +127,7 @@ $(OUT):
$(OUT)/chacha.o: chacha.c chacha.h util.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(OUT)/h_malloc.o: h_malloc.c include/h_malloc.h mutex.h memory.h pages.h random.h util.h $(CONFIG_FILE) | $(OUT)
$(OUT)/h_malloc.o: h_malloc.c include/h_malloc.h mutex.h memory.h $(BOSC_EXTRAS) pages.h random.h util.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(OUT)/memory.o: memory.c memory.h util.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) $(OUTPUT_OPTION) $<
@ -126,11 +135,24 @@ $(OUT)/new.o: new.cc include/h_malloc.h util.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.cc) $(OUTPUT_OPTION) $<
$(OUT)/pages.o: pages.c pages.h memory.h util.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(OUT)/random.o: random.c random.h chacha.h util.h $(CONFIG_FILE) | $(OUT)
$(OUT)/random.o: random.c random.h chacha.h $(BOSC_EXTRAS) util.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(OUT)/util.o: util.c util.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) $(OUTPUT_OPTION) $<
$(OUT)/memcpy.o: memcpy.c musl.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) -Wno-cast-align $(OUTPUT_OPTION) $<
$(OUT)/memccpy.o: memccpy.c musl.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) -Wno-cast-align $(OUTPUT_OPTION) $<
$(OUT)/memmove.o: memmove.c musl.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) -Wno-cast-align $(OUTPUT_OPTION) $<
$(OUT)/memset.o: memset.c musl.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) -Wno-cast-align $(OUTPUT_OPTION) $<
$(OUT)/swab.o: swab.c musl.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) -Wno-cast-align $(OUTPUT_OPTION) $<
$(OUT)/wmemset.o: wmemset.c musl.h $(CONFIG_FILE) | $(OUT)
$(COMPILE.c) $(OUTPUT_OPTION) $<
check: tidy
tidy: