Invalid rows appear in mysqld-bin.index file, causing server to fail starting. This occurs when WSREP galera replication was enabled. The rows do not point to a valid file but are instead output of wsrep sst.

Example of contents of mysqld-bin.index:

mysqld-bin.000001

./mysqld-bin.000002

./mysqld-bin.000003

WSREP_SST: [INFO] Preparing binlog files for transfer: (20150224 21:17:07.205)

mysqld-bin.000004

./mysqld-bin.000005

./mysqld-bin.000006

./mysqld-bin.000007

WSREP_SST: [INFO] Bypassing state dump. (20150224 21:20:00.648)

on #maria irc channel was mentioned that:

"looks like when mariadb forks for a sst it should close all fds for the sst"