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-rw-r--r--src/lib/krb5/keytab/kt_file.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/krb5/keytab/kt_file.c b/src/lib/krb5/keytab/kt_file.c
index 2652c00aff..1d58a53eee 100644
--- a/src/lib/krb5/keytab/kt_file.c
+++ b/src/lib/krb5/keytab/kt_file.c
@@ -461,6 +461,10 @@ krb5_ktfile_get_next(krb5_context context, krb5_keytab id, krb5_keytab_entry *en
kerror = KTLOCK(id);
if (kerror)
return kerror;
+ if (KTFILEP(id) == NULL) {
+ KTUNLOCK(id);
+ return KRB5_KT_IOERR;
+ }
if (fseek(KTFILEP(id), *fileoff, 0) == -1) {
KTUNLOCK(id);
return KRB5_KT_END;