[Asterisk-code-review] pbx_ael: Fix crash and lockup issue regarding 'ael reload' (asterisk[19])

Mark Murawski asteriskteam at digium.com
Thu Oct 7 14:32:51 CDT 2021


Mark Murawski has uploaded this change for review. ( https://gerrit.asterisk.org/c/asterisk/+/16573 )


Change subject: pbx_ael:  Fix crash and lockup issue regarding 'ael reload'
......................................................................

pbx_ael:  Fix crash and lockup issue regarding 'ael reload'

Avoid infinite recursion and crash

Change-Id: I8ed05ec3aa2806c50c77edc5dd0cd4e4fa08b3f4
---
M pbx/pbx_ael.c
1 file changed, 1 insertion(+), 6 deletions(-)



  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/73/16573/1

diff --git a/pbx/pbx_ael.c b/pbx/pbx_ael.c
index 8bf3af0..ed1c23d 100644
--- a/pbx/pbx_ael.c
+++ b/pbx/pbx_ael.c
@@ -280,13 +280,8 @@
 
 static int reload(void)
 {
-#ifndef STANDALONE
-	/* Lock-Protected reload.  It is VERY BAD to have simultaneous ael pbx_load_module() executing at the same time */
-	return ast_module_reload("pbx_ael") == AST_MODULE_RELOAD_SUCCESS ? AST_MODULE_LOAD_SUCCESS : AST_MODULE_LOAD_DECLINE;
-#else
-	/* Lock-Protected reload not needed (and not available) when running standalone (Example: via aelparse cli tool).  No reload contention is possible */
+	/* Lock-Protected reload not needed because we're already being called from ast_module_reload() */
 	return pbx_load_module();
-#endif
 }
 
 #ifdef STANDALONE

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Gerrit-Project: asterisk
Gerrit-Branch: 19
Gerrit-Change-Id: I8ed05ec3aa2806c50c77edc5dd0cd4e4fa08b3f4
Gerrit-Change-Number: 16573
Gerrit-PatchSet: 1
Gerrit-Owner: Mark Murawski <markm at intellasoft.net>
Gerrit-MessageType: newchange
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