From: Samuel Lepetit <samuel.lepetit@inria.fr>
Date: Wed, 9 May 2012 08:24:48 +0000 (+0200)
Subject: Add checking on getSender/getSource to prevent a SEGFAULT
X-Git-Tag: v3_9_90~569^2~19^2~100
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/aa50ff55316bcb56c40be9320534608e1eb8a4d0

Add checking on getSender/getSource to prevent a SEGFAULT
---

diff --git a/src/jmsg_task.c b/src/jmsg_task.c
index 72a6480642..cf6962fb5e 100644
--- a/src/jmsg_task.c
+++ b/src/jmsg_task.c
@@ -247,6 +247,10 @@ Java_org_simgrid_msg_Task_getSender(JNIEnv * env,
   }
 
   process = MSG_task_get_sender(task);
+  if (process == NULL) {
+  	jxbt_throw_illegal(env,bprintf("Tried to get the sender of a task that hasn't been sent yet."));
+  	return NULL;
+  }
   return (jobject) native_to_java_process(process);
 }
 
@@ -263,7 +267,10 @@ Java_org_simgrid_msg_Task_getSource(JNIEnv * env,
   }
 
   host = MSG_task_get_source(task);
-
+  if (host == NULL) {
+  	jxbt_throw_illegal(env,bprintf("Tried to get the source of a task that hasn't been sent yet."));
+  	return NULL;
+  }
   if (!MSG_host_get_data(host)) {
     jxbt_throw_jni(env, "MSG_task_get_source() failed");
     return NULL;