MariaBackup failure:Assertion `!(size & 4095)' failed.

mariadb-backup: /data/Server/10.11_new/storage/innobase/os/os0file.cc:1558: bool os_file_set_size(const char*, os_file_t, os_offset_t, bool): Assertion `!(size & 4095)' failed.

#0  __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44

#1  __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78

#2  __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89

#3  0x000071f3b424527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26

#4  0x000071f3b42288ff in __GI_abort () at ./stdlib/abort.c:79

#5  0x000071f3b422881b in __assert_fail_base (fmt=0x71f3b43d01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x60f89deeb307 "!(size & 4095)", 

    file=file@entry=0x60f89de35eb8 "/data/Server/10.11_new/storage/innobase/os/os0file.cc", line=line@entry=1558, 

    function=function@entry=0x60f89de35720 "bool os_file_set_size(const char*, os_file_t, os_offset_t, bool)") at ./assert/assert.c:96

#6  0x000071f3b423b517 in __assert_fail (assertion=0x60f89deeb307 "!(size & 4095)", file=0x60f89de35eb8 "/data/Server/10.11_new/storage/innobase/os/os0file.cc", 

    line=1558, function=0x60f89de35720 "bool os_file_set_size(const char*, os_file_t, os_offset_t, bool)") at ./assert/assert.c:105

#7  0x000060f89d9745a7 in os_file_set_size (name=name@entry=0x7ffee72e4620 "./test/t7_c.ibd", file=file@entry=7, size=size@entry=14336, is_sparse=is_sparse@entry=false)

    at /data/Server/10.11_new/storage/innobase/os/os0file.cc:1558

#8  0x000060f89d1f5fea in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>)

    at /data/Server/10.11_new/extra/mariabackup/xtrabackup.cc:6302

#9  0x000060f89d1f6a52 in xb_process_datadir (path=0x60f89e892860 <xtrabackup_real_incremental_dir> "/data/repro_crash/backup_1/", 

    suffix=suffix@entry=0x60f89dea9ecc ".delta", func=func@entry=0x60f89d1f5a53 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>, 

    func_arg=func_arg@entry=0x0) at /data/Server/10.11_new/extra/mariabackup/xtrabackup.cc:6603

#10 0x000060f89d1f6b8a in xtrabackup_apply_deltas () at /data/Server/10.11_new/extra/mariabackup/xtrabackup.cc:6639

#11 0x000060f89d1fd6b4 in xtrabackup_prepare_func (argv=argv@entry=0x60f8d9e29630) at /data/Server/10.11_new/extra/mariabackup/xtrabackup.cc:6884

#12 0x000060f89d201935 in main_low (argv=0x60f8d9e29630) at /data/Server/10.11_new/extra/mariabackup/xtrabackup.cc:7884

#13 0x000060f89d201bab in main (argc=<optimized out>, argv=<optimized out>) at /data/Server/10.11_new/extra/mariabackup/xtrabackup.cc:7657

(rr) frame 7

#7  0x000060f89d9745a7 in os_file_set_size (name=name@entry=0x7ffee72e4620 "./test/t7_c.ibd", file=file@entry=7, size=size@entry=14336, is_sparse=is_sparse@entry=false)

    at /data/Server/10.11_new/storage/innobase/os/os0file.cc:1558

1558		ut_ad(!(size & 4095));

(rr) info args

name = 0x7ffee72e4620 "./test/t7_c.ibd"

file = 7

size = 14336

is_sparse = false

(rr) info locals

__PRETTY_FUNCTION__ = "bool os_file_set_size(const char*, os_file_t, os_offset_t, bool)"

err = <optimized out>

current_size = <optimized out>

buf_size = <optimized out>

buf = <optimized out>

# $RQG_HOME/rqg.pl \

# --gendata=conf/mariadb/table_stress.zz \

# --gendata_sql=conf/mariadb/table_stress.sql \

# --grammar=conf/mariadb/table_stress_innodb_fk_dml.yy \

# --reporters=MariabackupIncremental_linux \

# --mysqld=--loose-innodb-log-file-size=300M \

# --mysqld=--loose-innodb_lock_schedule_algorithm=fcfs \

# --mysqld=--loose-idle_write_transaction_timeout=0 \

# --mysqld=--loose-idle_transaction_timeout=0 \

# --mysqld=--loose-idle_readonly_transaction_timeout=0 \

# --mysqld=--connect_timeout=60 \

# --mysqld=--interactive_timeout=28800 \

# --mysqld=--slave_net_timeout=60 \

# --mysqld=--net_read_timeout=30 \

# --mysqld=--net_write_timeout=60 \

# --mysqld=--loose-table_lock_wait_timeout=50 \

# --mysqld=--wait_timeout=28800 \

# --no_mask \

# --queries=10000000 \

# --seed=random \

# --reporters=None \

# --reporters=ErrorLog \

# --reporters=Deadlock \

# --validators=None \

# --mysqld=--log_output=none \

# --mysqld=--log_bin_trust_function_creators=1 \

# --mysqld=--loose-debug_assert_on_not_freed_memory=0 \

# --engine=InnoDB \

# --restart_timeout=240 \

# --mysqld=--plugin-load-add=file_key_management.so \

# --mysqld=--loose-file-key-management-filename=$RQG_HOME/conf/mariadb/encryption_keys.txt \

# --mysqld=--plugin-load-add=provider_lzo.so \

# --mysqld=--plugin-load-add=provider_bzip2.so \

# --mysqld=--plugin-load-add=provider_lzma.so \

# --mysqld=--plugin-load-add=provider_snappy.so \

# --mysqld=--plugin-load-add=provider_lz4.so \

# --mysqld=--loose-innodb_compression_level=1 \

# --duration=300 \

# --mysqld=--loose-innodb_fatal_semaphore_wait_threshold=300 \

# --mysqld=--lock-wait-timeout=15 \

# --mysqld=--innodb-lock-wait-timeout=10 \

# --mysqld=--loose-innodb_fast_shutdown=1 \

# --mysqld=--sql_mode=traditional \

# --mysqld=--innodb_file_per_table=1 \

# --mysqld=--loose-innodb_read_only_compressed=OFF \

# --mysqld=--innodb_stats_persistent=on \

# --mysqld=--innodb_adaptive_hash_index=on \

# --mysqld=--innodb_random_read_ahead=OFF \

# --mysqld=--loose-innodb_evict_tables_on_commit_debug=off \

# --threads=6 \

# --rr=Extended \

# --rr_options=--chaos --wait \

# --mysqld=--innodb_undo_log_truncate=OFF \

# --mysqld=--innodb_undo_tablespaces=3 \

# --mysqld=--innodb_rollback_on_timeout=OFF \

# --mysqld=--innodb_page_size=4K \

# --mysqld=--innodb-buffer-pool-size=6M \

# --vardir_type=fast \

# --no_mask \

# --batch \

# --basedir1=/Server_bin/10.11_new_debug_Og \

# --basedir2=/Server_bin/10.11_new_debug_Og \

# --script_debug=_nix_ \

# --major_runid=1773905983 \

# --minor_runid=94

#--------