From a289fbf14fe8d3f11573e6fd9f92a2f83058c16e Mon Sep 17 00:00:00 2001
From: Bram Matthys <syzop@vulnscan.org>
Date: Thu, 2 Jul 2026 18:10:49 +0200
Subject: [PATCH] Fix possible crash in multiline implementation

---
 src/modules/multiline.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/modules/multiline.c b/src/modules/multiline.c
index 86d210182..0ceee5443 100644
--- a/src/modules/multiline.c
+++ b/src/modules/multiline.c
@@ -827,6 +827,9 @@ CMD_OVERRIDE_FUNC(multiline_override_batch)
 		/* Deliver the batch */
 		multiline_deliver(client, batch);
 
+		if (IsDead(client))
+			return;
+
 		/* Apply batch fake lag */
 		add_fake_lag(client, calculate_multiline_fakelag(client, batch));