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PWD:=$(shell pwd)/
ROOT:=$(shell realpath $(PWD)../../..)/
BUILD_DIR:=$(PWD)build/
UNSTABLE_DATA_DIR:=$(BUILD_DIR)in/
UNSTABLE_DATA_FILE:=$(UNSTABLE_DATA_DIR)in
UNSTABLE_BIN:=$(BUILD_DIR)unstable
UNSTABLE_SRC:=$(PWD)unstable.c
QEMU_OUT:=$(BUILD_DIR)qemu-out
FRIDA_OUT:=$(BUILD_DIR)frida-out
ifndef ARCH
ARCH=$(shell uname -m)
ifeq "$(ARCH)" "aarch64"
ARCH:=arm64
endif
ifeq "$(ARCH)" "i686"
ARCH:=x86
endif
endif
GET_SYMBOL_ADDR:=$(ROOT)frida_mode/util/get_symbol_addr.sh
AFL_QEMU_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(UNSTABLE_BIN) run_test 0x4000000000)
ifeq "$(ARCH)" "aarch64"
AFL_FRIDA_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(UNSTABLE_BIN) run_test 0x0000aaaaaaaaa000)
endif
ifeq "$(ARCH)" "x86_64"
AFL_FRIDA_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(UNSTABLE_BIN) run_test 0x0000555555554000)
endif
ifeq "$(ARCH)" "x86"
AFL_FRIDA_PERSISTENT_ADDR=$(shell $(GET_SYMBOL_ADDR) $(UNSTABLE_BIN) run_test 0x56555000)
endif
.PHONY: all 32 clean qemu frida
all: $(UNSTABLE_BIN)
make -C $(ROOT)frida_mode/
32:
CFLAGS="-m32" LDFLAGS="-m32" ARCH="x86" make all
$(BUILD_DIR):
mkdir -p $@
$(UNSTABLE_DATA_DIR): | $(BUILD_DIR)
mkdir -p $@
$(UNSTABLE_DATA_FILE): | $(UNSTABLE_DATA_DIR)
echo -n "000" > $@
$(UNSTABLE_BIN): $(UNSTABLE_SRC) | $(BUILD_DIR)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
clean:
rm -rf $(BUILD_DIR)
qemu: $(UNSTABLE_BIN) $(UNSTABLE_DATA_FILE)
AFL_QEMU_PERSISTENT_ADDR=$(AFL_QEMU_PERSISTENT_ADDR) \
$(ROOT)afl-fuzz \
-D \
-Q \
-i $(UNSTABLE_DATA_DIR) \
-o $(QEMU_OUT) \
-- \
$(UNSTABLE_BIN) @@
frida: $(UNSTABLE_BIN) $(UNSTABLE_DATA_FILE)
AFL_DEBUG=1 \
AFL_FRIDA_PERSISTENT_ADDR=$(AFL_FRIDA_PERSISTENT_ADDR) \
AFL_FRIDA_INST_TRACE_UNIQUE=1 \
AFL_FRIDA_INST_NO_OPTIMIZE=1 \
$(ROOT)afl-fuzz \
-D \
-O \
-i $(UNSTABLE_DATA_DIR) \
-o $(FRIDA_OUT) \
-- \
$(UNSTABLE_BIN) @@
debug:
gdb \
--ex 'set environment LD_PRELOAD=$(ROOT)afl-frida-trace.so' \
--ex 'set disassembly-flavor intel' \
--args $(UNSTABLE_BIN) $(UNSTABLE_DATA_FILE)
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