From 30bbcea2b7a142c7e361806f5fdf0e145b915f7d Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Thu, 10 Nov 2022 18:34:12 +0000
Subject: [PATCH 1/1] src/uid_wrapper.c: Avoid dclose(RTLD_NEXT)

In case the libc was not found and RTLD_NEXT is used instead, we should not
dlclose it, otherwise mayhem happens.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=15228

Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
---
 src/uid_wrapper.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/uid_wrapper.c b/src/uid_wrapper.c
index 1b1473b..0480394 100644
--- a/src/uid_wrapper.c
+++ b/src/uid_wrapper.c
@@ -2512,7 +2512,11 @@ void uwrap_destructor(void)
 	}
 
 
-	if (uwrap.libc.handle != NULL) {
+	if (uwrap.libc.handle != NULL
+#ifdef RTLD_NEXT
+	    && uwrap.libc.handle != RTLD_NEXT
+#endif
+	   ) {
 		dlclose(uwrap.libc.handle);
 	}
 
-- 
2.34.1