From 65889a6d127fcbbbdc1e74d26036e91bd24d1405 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Sun, 8 Jul 2018 09:04:02 -0700 Subject: [PATCH] Fix bootstrap infloop in GNU/Linux alpha * src/emacs.c (main): Do not re-exec if EMACS_HEAP_EXEC is already set (Bug#32083). --- src/emacs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/src/emacs.c b/src/emacs.c index 017c62308c1..f5e47428ef9 100644 --- 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. -- 2.39.2