From 66655601770a793bdbe83e39f004fe545b460751 Mon Sep 17 00:00:00 2001
From: Norihiro Kamae <norihiro@nagater.net>
Date: Tue, 8 Oct 2024 12:19:11 +0900
Subject: [PATCH] Ensure bmalloc always takes positive size

---
 src/obs-vnc-source-thread.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/obs-vnc-source-thread.c b/src/obs-vnc-source-thread.c
index 7b68fad..083dfb5 100644
--- a/src/obs-vnc-source-thread.c
+++ b/src/obs-vnc-source-thread.c
@@ -127,6 +127,12 @@ static rfbBool vnc_malloc_fb(rfbClient *client)
 
 	debug("vnc_malloc_fb width=%d height=%d\n", client->width, client->height);
 
+	if (client->width <= 0 || client->height <= 0) {
+		blog(LOG_ERROR, "vnc_malloc_fb gets 0-length geometry %dx%d", client->width, client->height);
+		client->frameBuffer = NULL;
+		return FALSE;
+	}
+
 	src->frame.width = client->width;
 	src->frame.height = client->height;
 	set_updateRect(src, client);