sim: Set sane number len in empty EFmsisdn records

Valid number length range is 1 - 11 bytes, other values, such as 0xff,
could potentially crash external parsers.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/sim.c b/src/sim.c
index 6217a252..335f6118 100644
--- a/src/sim.c
+++ b/src/sim.c
@@ -429,6 +429,8 @@ static gboolean set_own_numbers(struct ofono_sim *sim,
 			new_numbers = new_numbers->next;
 		} else {
 			memset(efmsisdn, 0xff, sim->efmsisdn_length);
+			/* Set number length */
+			efmsisdn[sim->efmsisdn_length - 14] = 1;
 		}
 
 		if (ofono_sim_write(req->sim, SIM_EFMSISDN_FILEID,