disable-fdsan.patch

diff -uNr emacs-27.2/src/emacs.c emacs-27.2.mod/src/emacs.c
--- emacs-27.2/src/emacs.c	2021-01-28 19:52:38.000000000 +0200
+++ emacs-27.2.mod/src/emacs.c	2021-04-10 17:04:56.744343967 +0300
@@ -120,6 +120,11 @@
 #include "pdumper.h"
 #include "epaths.h"
 
+#ifdef __ANDROID__
+#include <android/fdsan.h>
+#include <dlfcn.h>
+#endif
+
 static const char emacs_version[] = PACKAGE_VERSION;
 static const char emacs_copyright[] = COPYRIGHT;
 static const char emacs_bugreport[] = PACKAGE_BUGREPORT;
@@ -954,6 +959,18 @@
   /* Record (approximately) where the stack begins.  */
   stack_bottom = (char *) &stack_bottom_variable;
 
+#ifdef __ANDROID__
+  // For Android 11+.
+  void *lib_handle = dlopen("libc.so", RTLD_LAZY);
+  if (lib_handle) {
+    void (*set_fdsan_error_level)(enum android_fdsan_error_level newlevel) = dlsym(lib_handle, "android_fdsan_set_error_level");
+    if (set_fdsan_error_level) {
+      set_fdsan_error_level(ANDROID_FDSAN_ERROR_LEVEL_DISABLED);
+    }
+    dlclose(lib_handle);
+  }
+#endif
+
   const char *dump_mode = NULL;
   int skip_args = 0;
   char *temacs = NULL;