From 2eee45ef966e5dc2b96998d692345f429a48cdea Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@sudo.ws>
Date: Tue, 11 Jul 2023 13:51:16 -0600
Subject: [PATCH] evlog_new: store a new copy of peeraddr, not a pointer to a
 buffer.

Starting in sudo 1.9.14, eventlog_free() will free the peeraddr
member too so it needs to be dynamically allocated.
---
 logsrvd/iolog_writer.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/logsrvd/iolog_writer.c b/logsrvd/iolog_writer.c
index 0eedf73b3..5808cb791 100644
--- a/logsrvd/iolog_writer.c
+++ b/logsrvd/iolog_writer.c
@@ -143,7 +143,10 @@ evlog_new(TimeSpec *submit_time, InfoMessage **info_msgs, size_t infolen,
     }
 
     /* Client/peer IP address. */
-    evlog->peeraddr = closure->ipaddr;
+    if ((evlog->peeraddr = strdup(closure->ipaddr)) == NULL) {
+	sudo_warnx(U_("%s: %s"), __func__, U_("unable to allocate memory"));
+	goto bad;
+    }
 
     /* Submit time. */
     if (submit_time != NULL) {