Fix bootstrap infloop in GNU/Linux alpha

* src/emacs.c (main): Do not re-exec if EMACS_HEAP_EXEC
is already set (Bug#32083).

diff --git a/src/emacs.c b/src/emacs.c
index 017c62308c1d4b8cfdc63652d0300653ed41e537..f5e47428ef9edc7e5e550b3c99f3025d1725c12f 100644 (file)
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -707,10 +707,12 @@ main (int argc, char **argv)
   bool disable_aslr = dumping;
 # endif
 
-  if (disable_aslr && disable_address_randomization ())
+  if (disable_aslr && disable_address_randomization ()
+      && !getenv ("EMACS_HEAP_EXEC"))
     {
       /* Set this so the personality will be reverted before execs
-        after this one.  */
+        after this one, and to work around an re-exec loop on buggy
+        kernels (Bug#32083).  */
       xputenv ("EMACS_HEAP_EXEC=true");
 
       /* Address randomization was enabled, but is now disabled.