From d138cf90130b0e8d5062f136ecdbcaa85e734d5d Mon Sep 17 00:00:00 2001
From: Christian Beier <info@christianbeier.net>
Date: Mon, 20 Jul 2020 22:33:29 +0200
Subject: [PATCH] libvncserver: don't NULL out internal of the default cursor
...otherwise an rfbScreen created after rfbScreenCleanup() was called
gets assigned an invalid cursor struct.
---
libvncserver/main.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libvncserver/main.c b/libvncserver/main.c
index 9149fda3..a3a711e3 100644
--- a/libvncserver/main.c
+++ b/libvncserver/main.c
@@ -1110,7 +1110,8 @@ void rfbScreenCleanup(rfbScreenInfoPtr screen)
FREE_IF(underCursorBuffer);
TINI_MUTEX(screen->cursorMutex);
- rfbFreeCursor(screen->cursor);
+ if(screen->cursor != &myCursor)
+ rfbFreeCursor(screen->cursor);
#ifdef LIBVNCSERVER_HAVE_LIBZ
rfbZlibCleanup(screen);
--
2.28.0