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-rw-r--r--src/event_buffer.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/event_buffer.c b/src/event_buffer.c
index 9d7b182..546a596 100644
--- a/src/event_buffer.c
+++ b/src/event_buffer.c
@@ -78,6 +78,8 @@ static int event_buffer_add(lua_State* L) {
for(i = 2; i <= last; i++) {
if(!lua_isstring(L, i) && !is_event_buffer(L, i))
luaL_argerror(L, i, "Argument is not a string or buffer object");
+ if(lua_equal(L, 1, i))
+ luaL_argerror(L, i, "Cannot add buffer to itself");
/* Optionally perform checks and data loading separately to avoid overfilling the buffer */
#if BUFFER_ADD_CHECK_INPUT_FIRST
}