From dd15e4cb57129b915e01495e113696bfe0b70214 Mon Sep 17 00:00:00 2001 From: Yu Watanabe Date: Fri, 3 Feb 2023 18:29:36 +0900 Subject: [PATCH] argv-util: also update program_invocation_short_name Our logging uses program_invocation_short_name. Without this patch, logs from forked client may become broken; spuriously truncated or the short invocation name is not completely shown in the log. --- src/basic/argv-util.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/basic/argv-util.c b/src/basic/argv-util.c index b8c371ede5b..6c88dcc2ee9 100644 --- a/src/basic/argv-util.c +++ b/src/basic/argv-util.c @@ -192,6 +192,10 @@ int rename_process(const char name[]) { strncpy(program_invocation_name, name, k); if (l > k) truncated = true; + + /* Also update the short name. */ + char *p = strrchr(program_invocation_name, '/'); + program_invocation_short_name = p ? p + 1 : program_invocation_name; } /* Third step, completely replace the argv[] array the kernel maintains for us. This requires privileges, but -- 2.47.3