From b8aed2b43e3739e089ce587dde26fd905fa1c855 Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico@twosigma.com>
Date: Wed, 7 Jan 2026 16:55:54 -0600
Subject: [PATCH] kadm5: Check ftruncate() result

---
 lib/kadm5/log.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/kadm5/log.c b/lib/kadm5/log.c
index cbfde885c..e85d9aa1a 100644
--- a/lib/kadm5/log.c
+++ b/lib/kadm5/log.c
@@ -2624,7 +2624,10 @@ kadm5_log_truncate(kadm5_server_context *context, size_t keep, size_t maxbytes)
 
     if (ret) {
         krb5_warn(context->context, ret, "Unable to keep entries");
-        (void) ftruncate(context->log_context.log_fd, LOG_UBER_SZ);
+        if (ftruncate(context->log_context.log_fd, LOG_UBER_SZ) == -1) {
+            krb5_warn(context->context, ret, "Unable to truncate log");
+            return errno;
+        }
         (void) lseek(context->log_context.log_fd, 0, SEEK_SET);
         return ret;
     }