fix(hacks): add tflitefix to prevent SIGSEGV crash in games using TensorFlow Lite under ARM translation

main.py

@@ -18,6 +18,7 @@ from stuff.nodataperm import Nodataperm
 from stuff.smartdock import Smartdock
 from stuff.widevine import Widevine
 from stuff.fdroidpriv import FDroidPriv
+from stuff.tflitefix import TfliteFix
 import tools.helper as helper
 from tools import container
 from tools import images
@@ -144,6 +145,8 @@ def remove_app(args):
         remove_list.append(Nodataperm(args.android_version))
     if "hidestatusbar" in app:
         remove_list.append(HideStatusBar())
+    if "tflitefix" in app:
+        remove_list.append(TfliteFix())
 
     if not container.use_overlayfs():
         copy_dir = "/tmp/waydroid"
@@ -169,6 +172,8 @@ def hack_option(args):
         hack_list.append(Nodataperm())
     if "hidestatusbar" in options:
         hack_list.append(HideStatusBar())
+    if "tflitefix" in options:
+        hack_list.append(TfliteFix())
 
     if not container.use_overlayfs():
         copy_dir = "/tmp/waydroid"
@@ -204,7 +209,7 @@ def interact():
     args = argparse.Namespace()
     android_version = inquirer.select(
         message="Select Android version",
-        instruction="(\u2191\u2193 Select Item)",
+        instruction="(↑↓ Select Item)",
         choices=[
             Choice(name="Android 11", value="11"),
             Choice(name="Android 13", value="13"),
@@ -230,7 +235,7 @@ def interact():
         exit()
 
     install_choices = ["gapps", "microg", "libndk", "libhoudini", "magisk", "smartdock", "fdroidpriv", "widevine",]
-    hack_choices = []
+    hack_choices = ["tflitefix"]
     if android_version=="11":
         hack_choices.extend(["nodataperm", "hidestatusbar"])
 
@@ -297,7 +302,7 @@ def main():
 
     install_choices = ["gapps", "microg", "libndk", "libhoudini",
                        "magisk", "mitm", "smartdock", "widevine"]
-    hack_choices = ["nodataperm", "hidestatusbar"]
+    hack_choices = ["nodataperm", "hidestatusbar", "tflitefix"]
     micrg_variants = ["Standard", "NoGoolag", "UNLP", "Minimal", "MinimalIAP"]
     remove_choices = install_choices
 

stuff/tflitefix.py

@@ -0,0 +1,78 @@
+import glob
+import os
+import shutil
+from stuff.general import General
+from tools.logger import Logger
+
+
+class TfliteFix(General):
+    id = "tflitefix"
+    partition = "system"
+    TARGET_OFFSET = 0x2E9204
+    PATCH_BYTES = b"\xc0\x03\x5f\xd6"  # ret in AArch64 little-endian
+
+    def __init__(self, android_version="13") -> None:
+        super().__init__()
+
+    def download(self):
+        pass
+
+    @property
+    def skip_extract(self):
+        return True
+
+    def copy(self):
+        pass
+
+    def extra1(self):
+        """Applies binary patch to libtensorflowlite.so in installed apps"""
+        search_paths = [
+            os.path.expanduser("~/.local/share/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so"),
+            "/var/lib/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so",
+        ]
+        found = []
+        for p in search_paths:
+            found.extend(glob.glob(p))
+
+        if not found:
+            Logger.warning("No installed apps with libtensorflowlite.so found in Waydroid data.")
+            return
+
+        for lib_path in found:
+            try:
+                with open(lib_path, "rb") as f:
+                    data = bytearray(f.read())
+
+                if len(data) > self.TARGET_OFFSET + 4:
+                    if bytes(data[self.TARGET_OFFSET:self.TARGET_OFFSET+4]) == self.PATCH_BYTES:
+                        Logger.info(f"Patch already applied to {lib_path}")
+                        continue
+
+                    backup = lib_path + ".orig"
+                    if not os.path.exists(backup):
+                        shutil.copy2(lib_path, backup)
+
+                    data[self.TARGET_OFFSET:self.TARGET_OFFSET+4] = self.PATCH_BYTES
+                    with open(lib_path, "wb") as f:
+                        f.write(data)
+                    os.chmod(lib_path, 0o755)
+                    Logger.info(f"Successfully patched {lib_path}")
+            except Exception as e:
+                Logger.error(f"Failed to patch {lib_path}: {e}")
+
+    def extra2(self):
+        """Restores original libtensorflowlite.so from backup"""
+        search_paths = [
+            os.path.expanduser("~/.local/share/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so.orig"),
+            "/var/lib/waydroid/data/app/~~*==/*/lib/arm64/libtensorflowlite.so.orig",
+        ]
+        for p in search_paths:
+            for orig in glob.glob(p):
+                target = orig[:-5]
+                try:
+                    shutil.copy2(orig, target)
+                    os.remove(orig)
+                    os.chmod(target, 0o755)
+                    Logger.info(f"Restored {target}")
+                except Exception as e:
+                    Logger.error(f"Failed to restore {target}: {e}")