CURRENT_TEST: mariabackup.incremental_encrypted

mysqltest: At line 28: exec of '/dev/shm/10.5m/extra/mariabackup/mariabackup --defaults-file=/dev/shm/10.5m/mysql-test/var/33/my.cnf   --backup --target-dir=/dev/shm/10.5m/mysql-test/var/33/tmp/backup_inc1 --incremental-basedir=/dev/shm/10.5m/mysql-test/var/33/tmp/backup 2>&1' failed, error: 34304, status: 134, errno: 11

…

[01] 2020-03-28 21:38:26 Copying ibdata1 to /dev/shm/10.5m/mysql-test/var/33/tmp/backup_inc1/ibdata1.delta

Uninitialized bytes in __interceptor_write at offset 28 inside [0x7f38f8ee7000, 196608)

==1445932==WARNING: MemorySanitizer: use-of-uninitialized-value

    #0 0x56077d4ce3e5 in my_write /mariadb/10.5m/mysys/my_write.c:49:19

    #1 0x560779e30da1 in local_write(ds_file_t*, unsigned char const*, unsigned long) /mariadb/10.5m/extra/mariabackup/ds_local.cc:216:7

    #2 0x560779e2b140 in ds_write /mariadb/10.5m/extra/mariabackup/datasink.cc:112:9

    #3 0x560779e3fbc7 in wf_incremental_finalize(xb_write_filt_ctxt_t*, ds_file_t*) /mariadb/10.5m/extra/mariabackup/write_filt.cc:175:6

    #4 0x560779dd4d9a in xtrabackup_copy_datafile(fil_node_t*, unsigned int, char const*, unsigned long long) /mariadb/10.5m/extra/mariabackup/xtrabackup.cc:2551:10

    #5 0x560779df19a6 in data_copy_thread_func(void*) /mariadb/10.5m/extra/mariabackup/xtrabackup.cc:2866:6

    #6 0x7f390dd7df26 in start_thread /build/glibc-WZtAaN/glibc-2.30/nptl/pthread_create.c:479:8

    #7 0x7f390d85c2ee in clone /build/glibc-WZtAaN/glibc-2.30/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:95

  Memory was marked as uninitialized

    #0 0x560779d5411e in __msan_allocated_memory (/dev/shm/10.5m/extra/mariabackup/mariadb-backup+0x70b11e)

    #1 0x56077c8d3332 in os_mem_alloc_large(unsigned long*) /mariadb/10.5m/storage/innobase/os/os0proc.cc