From ca8519cec7ad5b0407d616c7eb57777563bcff35 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ole=20Andr=C3=A9=20Vadla=20Ravn=C3=A5s?= <oleavr@gmail.com>
Date: Fri, 20 Sep 2024 18:59:42 +0200
Subject: [PATCH] network-stack: Fix race in TcpInputStream.read()

Where the notify::pending-io signal fires after the call to
is_readable() but before our signal handler is connected.
---
 src/fruity/network-stack.vala | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/fruity/network-stack.vala b/src/fruity/network-stack.vala
index 18c74e7fa..4dae0a18c 100644
--- a/src/fruity/network-stack.vala
+++ b/src/fruity/network-stack.vala
@@ -765,10 +765,12 @@ namespace Frida.Fruity {
 						});
 					}
 
-					mutex.lock ();
-					while (!done)
-						cond.wait (mutex);
-					mutex.unlock ();
+					if (!is_readable ()) {
+						mutex.lock ();
+						while (!done)
+							cond.wait (mutex);
+						mutex.unlock ();
+					}
 
 					if (cancellation_handler != 0)
 						cancellable.disconnect (cancellation_handler);