core/dbus-execute: always normalize argv[0] to "sh" on EXEC_COMMAND_VIA_SHELL

Addresses https://github.com/systemd/systemd/pull/37071#discussion_r2084851759

diff --git a/src/core/dbus-execute.c b/src/core/dbus-execute.c
index f7b2932e07aa36ed67242e3c185742eaf09793b5..d0281cc236d29efba3d36863170745caa85819af 100644 (file)
--- a/src/core/dbus-execute.c
+++ b/src/core/dbus-execute.c
@@ -1551,7 +1551,7 @@ int bus_set_transient_exec_command(
                         path = _PATH_BSHELL;
 
                         if (strv_isempty(argv))
-                                r = strv_extend(&argv, path);
+                                r = strv_extend(&argv, "sh");
                         else
                                 r = free_and_strdup(&argv[0], argv[0][0] == '-' ? "-sh" : "sh");
                         if (r < 0)