krb5 commit: Change abort to error when encoding DB2 entry

[ghudson at mit.edu]

https://github.com/krb5/krb5/commit/247b7a6e14252d24cb75ebb7c653bb6b8501b0b9
commit 247b7a6e14252d24cb75ebb7c653bb6b8501b0b9
Author: Greg Hudson <ghudson at mit.edu>
Date:   Tue Jun 2 19:23:53 2026 -0400

    Change abort to error when encoding DB2 entry
    
    In krb5_encode_princ_entry(), return an error instead of aborting if
    the len is field too small, as we do not generally use asserts or
    aborts to detect calling errors.

 src/plugins/kdb/db2/kdb_xdr.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/plugins/kdb/db2/kdb_xdr.c b/src/plugins/kdb/db2/kdb_xdr.c
index b4666a95b..7d04b267d 100644
--- a/src/plugins/kdb/db2/kdb_xdr.c
+++ b/src/plugins/kdb/db2/kdb_xdr.c
@@ -161,9 +161,11 @@ krb5_encode_princ_entry(krb5_context context, krb5_data *content,
     krb5_kdb_encode_int16(entry->n_key_data, nextloc);
     nextloc += 2;
 
-    /* Put extended fields here */
-    if (entry->len != KRB5_KDB_V1_BASE_LENGTH)
-        abort();
+    if (entry->len != KRB5_KDB_V1_BASE_LENGTH) {
+        retval = KRB5_KDB_TRUNCATED_RECORD;
+        k5_setmsg(context, retval, _("KDB entry length must be at least %d"),
+                  KRB5_KDB_V1_BASE_LENGTH);
+    }
 
     /* Any extra data that this version doesn't understand. */
     if (entry->e_length) {