From 809f2ede09fd931cb9b59572843409628481191d Mon Sep 17 00:00:00 2001
From: "Zaiming (Stone) Shi" <zmstone@gmail.com>
Date: Thu, 11 Aug 2022 22:05:03 +0200
Subject: [PATCH] fix(bin/emqx): ensure no crash dump when checking
 compatibility

---
 bin/emqx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bin/emqx b/bin/emqx
index a70c676fd..e73240d5d 100755
--- a/bin/emqx
+++ b/bin/emqx
@@ -287,7 +287,8 @@ COMPATIBILITY_CHECK='
 
 compatiblity_info() {
   # RELEASE_LIB is used by Elixir
-  "$BINDIR/$PROGNAME" \
+  # set crash-dump bytes to zero to ensure no crash dump is generated when erl crashes
+  env ERL_CRASH_DUMP_BYTES=0 "$BINDIR/$PROGNAME" \
     -noshell \
     -boot_var RELEASE_LIB "$ERTS_LIB_DIR/lib" \
     -boot "$REL_DIR/start_clean" \