Changes to add missing exclusion of ranges (#943)

Co-authored-by: Your Name <you@example.com>

5 files changed, 213 insertions, 0 deletions

diff --git a/frida_mode/include/ranges.h b/frida_mode/include/ranges.h
index f652eb8a..c623f473 100644
--- a/frida_mode/include/ranges.h
+++ b/frida_mode/include/ranges.h
@@ -7,5 +7,7 @@ void ranges_init(void);
 
 gboolean range_is_excluded(gpointer address);
 
+void ranges_exclude();
+
 #endif
 
diff --git a/frida_mode/src/ranges.c b/frida_mode/src/ranges.c
index aa140708..ef25b371 100644
--- a/frida_mode/src/ranges.c
+++ b/frida_mode/src/ranges.c
@@ -568,6 +568,8 @@ void ranges_init(void) {
   /* *NEVER* stalk the stalker, only bad things will ever come of this! */
   ranges_exclude_self();
 
+  ranges_exclude();
+
 }
 
 gboolean range_is_excluded(gpointer address) {
diff --git a/frida_mode/test/deferred/GNUmakefile b/frida_mode/test/deferred/GNUmakefile
new file mode 100644
index 00000000..c268ef66
--- /dev/null
+++ b/frida_mode/test/deferred/GNUmakefile
@@ -0,0 +1,71 @@
+PWD:=$(shell pwd)/
+ROOT:=$(shell realpath $(PWD)../../..)/
+BUILD_DIR:=$(PWD)build/
+TESTINSTR_DATA_DIR:=$(BUILD_DIR)in/
+TESTINSTR_DATA_FILE:=$(TESTINSTR_DATA_DIR)in
+
+TESTINSTBIN:=$(BUILD_DIR)testinstr
+TESTINSTSRC:=$(PWD)testinstr.c
+
+QEMU_OUT:=$(BUILD_DIR)qemu-out
+FRIDA_OUT:=$(BUILD_DIR)frida-out
+
+GET_SYMBOL_ADDR:=$(ROOT)frida_mode/test/png/persistent/get_symbol_addr.py
+
+ifndef ARCH
+
+ARCH=$(shell uname -m)
+ifeq "$(ARCH)" "aarch64"
+ ARCH:=arm64
+endif
+
+ifeq "$(ARCH)" "i686"
+ ARCH:=x86
+endif
+endif
+
+ARCH=$(shell uname -m)
+ifeq "$(ARCH)" "aarch64"
+ AFL_ENTRYPOINT=$(shell $(GET_SYMBOL_ADDR) -f $(TESTINSTBIN) -s run -b 0x0000aaaaaaaaa000)
+endif
+
+ifeq "$(ARCH)" "x86_64"
+ AFL_ENTRYPOINT=$(shell $(GET_SYMBOL_ADDR) -f $(TESTINSTBIN) -s run -b 0x0000555555554000)
+endif
+
+ifeq "$(ARCH)" "x86"
+ AFL_ENTRYPOINT=$(shell $(GET_SYMBOL_ADDR) -f $(TESTINSTBIN) -s run -b 0x56555000)
+endif
+
+.PHONY: all clean qemu frida
+
+all: $(TESTINSTBIN)
+	make -C $(ROOT)frida_mode/
+
+32:
+	CFLAGS="-m32" LDFLAGS="-m32" ARCH="x86" make all
+
+$(BUILD_DIR):
+	mkdir -p $@
+
+$(TESTINSTR_DATA_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(TESTINSTR_DATA_FILE): | $(TESTINSTR_DATA_DIR)
+	echo -n "000" > $@
+
+$(TESTINSTBIN): $(TESTINSTSRC) | $(BUILD_DIR)
+	$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $<
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+frida: $(TESTINSTBIN) $(TESTINSTR_DATA_FILE)
+	AFL_ENTRYPOINT=$(AFL_ENTRYPOINT) \
+	$(ROOT)afl-fuzz \
+		-D \
+		-O \
+		-i $(TESTINSTR_DATA_DIR) \
+		-o $(FRIDA_OUT) \
+		-- \
+			$(TESTINSTBIN) @@
diff --git a/frida_mode/test/deferred/Makefile b/frida_mode/test/deferred/Makefile
new file mode 100644
index 00000000..07b139e9
--- /dev/null
+++ b/frida_mode/test/deferred/Makefile
@@ -0,0 +1,13 @@
+all:
+	@echo trying to use GNU make...
+	@gmake all || echo please install GNUmake
+
+32:
+	@echo trying to use GNU make...
+	@gmake 32 || echo please install GNUmake
+
+clean:
+	@gmake clean
+
+frida:
+	@gmake frida
diff --git a/frida_mode/test/deferred/testinstr.c b/frida_mode/test/deferred/testinstr.c
new file mode 100644
index 00000000..8b3688d7
--- /dev/null
+++ b/frida_mode/test/deferred/testinstr.c
@@ -0,0 +1,125 @@
+/*
+   american fuzzy lop++ - a trivial program to test the build
+   --------------------------------------------------------
+   Originally written by Michal Zalewski
+   Copyright 2014 Google Inc. All rights reserved.
+   Copyright 2019-2020 AFLplusplus Project. All rights reserved.
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at:
+     http://www.apache.org/licenses/LICENSE-2.0
+ */
+
+#include <fcntl.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#ifdef __APPLE__
+  #define TESTINSTR_SECTION
+#else
+  #define TESTINSTR_SECTION __attribute__((section(".testinstr")))
+#endif
+
+void testinstr(char *buf, int len) {
+
+  if (len < 1) return;
+  buf[len] = 0;
+
+  // we support three input cases
+  if (buf[0] == '0')
+    printf("Looks like a zero to me!\n");
+  else if (buf[0] == '1')
+    printf("Pretty sure that is a one!\n");
+  else
+    printf("Neither one or zero? How quaint!\n");
+
+}
+
+int run(char *file) {
+
+  int    fd = -1;
+  off_t  len;
+  char * buf = NULL;
+  size_t n_read;
+  int    result = -1;
+
+  do {
+
+    dprintf(STDERR_FILENO, "Running: %s\n", file);
+
+    fd = open(file, O_RDONLY);
+    if (fd < 0) {
+
+      perror("open");
+      break;
+
+    }
+
+    len = lseek(fd, 0, SEEK_END);
+    if (len < 0) {
+
+      perror("lseek (SEEK_END)");
+      break;
+
+    }
+
+    if (lseek(fd, 0, SEEK_SET) != 0) {
+
+      perror("lseek (SEEK_SET)");
+      break;
+
+    }
+
+    buf = malloc(len);
+    if (buf == NULL) {
+
+      perror("malloc");
+      break;
+
+    }
+
+    n_read = read(fd, buf, len);
+    if (n_read != len) {
+
+      perror("read");
+      break;
+
+    }
+
+    dprintf(STDERR_FILENO, "Running:    %s: (%zd bytes)\n", file, n_read);
+
+    testinstr(buf, len);
+    dprintf(STDERR_FILENO, "Done:    %s: (%zd bytes)\n", file, n_read);
+
+    result = 0;
+
+  } while (false);
+
+  if (buf != NULL) { free(buf); }
+
+  if (fd != -1) { close(fd); }
+
+  return result;
+
+}
+
+void slow() {
+
+  usleep(100000);
+
+}
+
+TESTINSTR_SECTION int do_run(char * file) {
+  return run(file);
+}
+
+int main(int argc, char **argv) {
+
+  if (argc != 2) { return 1; }
+  slow();
+  return do_run(argv[1]);
+
+}
+