From 54e90826a931e30cb9468a8a9968155989a99f74 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Tue, 23 Aug 2022 12:34:02 +0200
Subject: file_exec: Homogeneize adding the gratuitous send right
---
libnetfs/file-exec.c | 4 ++++
1 file changed, 4 insertions(+)
(limited to 'libnetfs')
diff --git a/libnetfs/file-exec.c b/libnetfs/file-exec.c
index f5d25099..da49ac36 100644
--- a/libnetfs/file-exec.c
+++ b/libnetfs/file-exec.c
@@ -169,6 +169,10 @@ netfs_S_file_exec_paths (struct protid *cred,
if (newpi)
{
right = ports_get_send_right (newpi);
+
+ /* Add a gratuitous send right on the protid to avoid a no-sender, and thus
+ interrupt the exec, just because we are precisely replacing the calling
+ process! */
cred_right = ports_get_send_right (cred);
#ifdef HAVE_EXEC_EXEC_PATHS
err = exec_exec_paths (_netfs_exec,
--
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