LP:608369 - (M)Aria engine recovery failure: "Page: 1 Found wrong page type 0' on CHECK TABLE EXTENDED

After recovery after kill -9 , CHECK TABLE EXTENDED on a (M)Aria table reports the following:

'Page: 1 Found wrong page type 0'

the error log says:

100721 19:13:29 [ERROR] mysqld: Table './test/table100_maria_key_pk_parts_2_int_autoinc#P#p0' is marked as crashed and should be repaired
19:13:29 [Note] Zerofilling table: './test/table100_maria_key_pk_parts_2_int_autoinc'
19:13:29 [Note] Zerofilling table: './test/table100_maria_key_pk_parts_2_int_autoinc'

RQG command line:

/home/buildbot/randgen/runall.pl \
--grammar=conf/engines/engine_stress.yy \
--gendata=conf/engines/engine_stress.zz \
--queries=1M \
--engine=Maria \
-mysqld=-log-output=file \
-mysqld=-debug \
--reporters=ErrorLog,Backtrace,Recovery,Shutdown \
--duration=240 \
--threads=5 \
--rows=100 \
--mask-level=2 \
-mysqld=-maria-group-commit=hard \
-mysqld=-maria_group_commit_interval=1 \
-mysqld=-maria-checkpoint-interval=1 \
-mysqld=-maria-block-size=16K \
--mask=32308 \
--queries=100000000 \
--basedir=. \
--seed=time \
--vardir=/home/buildbot/rqg-buildbot-slave/rqg-weekend/vardir-maria_recovery_weekend/current

The datadir will be uploaded shortly.