commit a0c8f40: [Minor] Check array length before indexing

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2021-04-20 17:23:52 +0100
URL: https://github.com/rspamd/rspamd/commit/a0c8f40933a55ac8d1cd4c95d7b3f2abbc8974c0 (HEAD -> master)

[Minor] Check array length before indexing

---
 src/lua/lua_task.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index 01c450422..e44bc81b3 100644
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -4111,7 +4111,7 @@ lua_task_get_reply_sender (lua_State *L)
 			addrs = rspamd_email_address_from_mime (task->task_pool, rh->decoded,
 					strlen (rh->decoded), NULL, -1);
 
-			if (addrs == NULL) {
+			if (addrs == NULL || addrs->len == 0) {
 				lua_pushnil (L);
 			}
 			else {
@@ -4122,7 +4122,7 @@ lua_task_get_reply_sender (lua_State *L)
 			}
 		}
 		else if (MESSAGE_FIELD_CHECK (task, from_mime) &&
-				MESSAGE_FIELD (task, from_mime)->len == 1) {
+				MESSAGE_FIELD (task, from_mime)->len >= 1) {
 			struct rspamd_email_address *addr;
 
 			addr = (struct rspamd_email_address *)g_ptr_array_index (