From: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Date: Fri, 4 Apr 2025 03:20:26 +0000 (-0700)
Subject: plugins/loader: fix deadlock when resetting/uninstalling a plugin
X-Git-Tag: v9.2.4~46
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=138d48eca8c98237cadeb90318c83408bed53185;p=thirdparty%2Fqemu.git

plugins/loader: fix deadlock when resetting/uninstalling a plugin

Reported and fixed by Dmitry Kurakin.

Fixes: https://gitlab.com/qemu-project/qemu/-/issues/2901
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-Id: <20250404032027.430575-2-pierrick.bouvier@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
(cherry picked from commit c07cd110a1824e2d046581af7375f16dac26e96f)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---

diff --git a/plugins/loader.c b/plugins/loader.c
index ebc01da9c6e..3070fe52ab7 100644
--- a/plugins/loader.c
+++ b/plugins/loader.c
@@ -379,7 +379,7 @@ static void plugin_reset_destroy(struct qemu_plugin_reset_data *data)
 {
     qemu_rec_mutex_lock(&plugin.lock);
     plugin_reset_destroy__locked(data);
-    qemu_rec_mutex_lock(&plugin.lock);
+    qemu_rec_mutex_unlock(&plugin.lock);
 }
 
 static void plugin_flush_destroy(CPUState *cpu, run_on_cpu_data arg)