When executing the SMF scenario, Aria asserted as follows:

mysqld: ma_pagecache.c:4189: free_block: Assertion `block->pins == 0' failed.

backtrace:

#6 0x0000003e0582b935 in __assert_fail (
assertion=0xd80bd8 "block->pins == 0", file=<value optimized out>,
line=4189, function=<value optimized out>) at assert.c:81
#7 0x00000000009d09c7 in free_block (pagecache=0x1a29160,
block=0x7f4086136958) at ma_pagecache.c:4189
#8 0x00000000009d1d2e in flush_pagecache_blocks_int (pagecache=0x1a29160,
file=0x7f40080f93c0, type=FLUSH_RELEASE, filter=0, filter_arg=0x0)
at ma_pagecache.c:4675
#9 0x00000000009d1f36 in flush_pagecache_blocks_with_filter (
pagecache=0x1a29160, file=0x7f40080f93c0, type=FLUSH_RELEASE, filter=0,
filter_arg=0x0) at ma_pagecache.c:4736
#10 0x0000000000947f8d in _ma_once_end_block_record (share=0x7f40080f8ad8)
at ma_blockrec.c:433
#11 0x0000000000990029 in maria_close (info=0x7f3ff405f428) at ma_close.c:79
--Type <return> to continue, or q <return> to quit--
#12 0x00000000009376f4 in ha_maria::close (this=0x7f3ff40d0ee0)
at ha_maria.cc:1018
#13 0x00000000006eb42b in closefrm (table=0x7f3ff4085ac8, free_share=true)
at table.cc:2010
#14 0x00000000006d1623 in intern_close_table (table=0x7f3ff4085ac8)
at sql_base.cc:786
#15 0x00000000006d16bb in free_cache_entry (table=0x7f3ff4085ac8)
at sql_base.cc:808
#16 0x0000000000b98096 in my_hash_delete (hash=0x120e400,
record=0x7f3ff4085ac8 "\200\343L\b@\177") at hash.c:562
#17 0x00000000006d2397 in close_open_tables (thd=0x3081c08) at sql_base.cc:1208
#18 0x00000000006d274e in close_thread_tables (thd=0x3081c08)
at sql_base.cc:1361
#19 0x00000000006862a4 in dispatch_command (command=COM_QUERY, thd=0x3081c08,
packet=0x3084f99 "UPDATE smf_boards SET unapproved_topics = unapproved_topics + 2794496 WHERE id_board = 6", packet_length=88) at sql_parse.cc:1708
#20 0x0000000000683fb3 in do_command (thd=0x3081c08) at sql_parse.cc:899
#21 0x0000000000680fd1 in handle_one_connection (arg=0x3081c08)
at sql_connect.cc:1138
#22 0x0000003e05c07761 in start_thread (arg=0x7f4058569710)
at pthread_create.c:301
#23 0x0000003e058e14fd in clone ()

RQG command line:

runall.pl \
--queries=1M \
--engine=Maria \
-mysqld=-default-storage-engine=Maria \
-mysqld=-safe-mode \
-mysqld=-loose-debug-assert-if-crashed-table \
-mysqld=-sync-sys=0 \
-mysqld=-log-output=file \
-mysqld=-maria_log_purge_type=at_flush \
--reporters=ErrorLog,Backtrace,Recovery,Shutdown \
--duration=240 \
--threads=10 \
--rows=1000 \
--mask-level=2 \
-mysqld=-maria-repair-threads=2 \
-mysqld=-loose-maria-group-commit=hard \
-mysqld=-loose-maria_group_commit_interval=0 \
-mysqld=-maria-checkpoint-interval=1 \
-mysqld=-maria-block-size=16K \
--queries=100000000 \
--mask=44560 \
--seed=1294595358 \
-mysqld=-init-file=/home/buildbot/randgen/conf/smf/smf2.sql \
--grammar=conf/smf/smf2.yy \
--basedir=.