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-rw-r--r--src/lib/krb5/keytab/kt_file.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/lib/krb5/keytab/kt_file.c b/src/lib/krb5/keytab/kt_file.c
index ecdc28a..df5cbb0 100644
--- a/src/lib/krb5/keytab/kt_file.c
+++ b/src/lib/krb5/keytab/kt_file.c
@@ -1722,6 +1722,9 @@ krb5_ktfileint_find_slot(krb5_context context, krb5_keytab id, krb5_int32 *size_
* Make sure we zero any trailing data.
*/
zero_point = ftell(KTFILEP(id));
+ if (zero_point < 0) {
+ return errno;
+ }
while ((size = fread(iobuf, 1, sizeof(iobuf), KTFILEP(id)))) {
if (size != sizeof(iobuf)) {
remainder = size % sizeof(krb5_int32);