From 868c287a45a668a877c950dc13c9effaa055ccd2 Mon Sep 17 00:00:00 2001
From: Milan Rusek <mrusek@ucw.cz>
Date: Mon, 12 Feb 2024 15:26:44 +0100
Subject: [PATCH] FBSocket: Fix possible crashes when switching read/write with
 bflush().

---
 ucw/fb-socket.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/ucw/fb-socket.c b/ucw/fb-socket.c
index 19f27bd5..7ae528cd 100644
--- a/ucw/fb-socket.c
+++ b/ucw/fb-socket.c
@@ -73,9 +73,9 @@ fbs_spout(struct fastbuf *f)
   };
 
   int l = f->bptr - f->bstop;
-  f->bptr = f->bstop;
-  f->pos += l;
   char *buf = f->bstop;
+  f->pos += l;
+  f->bptr = f->bstop = f->buffer;
 
   while (l)
     {
-- 
2.39.2