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  1. MariaDB Server
  2. MDEV-28935

crash in io_slots::release

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      Marko Mäkelä reports

      @wlad
      We got an invalid-looking call in your code:

      #0  io_slots::release (this=0x0, aiocb=0x1b0b639935a0)
          at /data/Server/bb-10.6-MDEV-21136-records_in_range-experimental/storage/innobase/os/os0file.cc:106
      #1  0x00005628bbefb810 in io_callback (cb=0x1b0b639935a0)
          at /data/Server/bb-10.6-MDEV-21136-records_in_range-experimental/storage/innobase/os/os0file.cc:3534
      

      Another thread is doing

      #14 0x00005628bbeff96c in io_slots::wait (this=0x6120000226c0) at /data/Server/bb-10.6-MDEV-21136-records_in_range-experimental/storage/innobase/os/os0file.cc:117
      #15 0x00005628bbeffa10 in io_slots::~io_slots (this=0x6120000226c0, __in_chrg=<optimized out>) at /data/Server/bb-10.6-MDEV-21136-records_in_range-experimental/storage/innobase/os/os0file.cc:132
      #16 0x00005628bbf02484 in std::default_delete<io_slots>::operator() (this=0x5628bedc6880 <read_slots>, __ptr=0x6120000226c0) at /usr/include/c++/9/bits/unique_ptr.h:81
      #17 0x00005628bbf0166c in std::unique_ptr<io_slots, std::default_delete<io_slots> >::reset (this=0x5628bedc6880 <read_slots>, __p=0x6120000226c0) at /usr/include/c++/9/bits/unique_ptr.h:402
      #18 0x00005628bbefc14b in os_aio_free () at /data/Server/bb-10.6-MDEV-21136-records_in_range-experimental/storage/innobase/os/os0file.cc:3725
      #19 0x00005628bc101200 in innodb_shutdown () at /data/Server/bb-10.6-MDEV-21136-records_in_range-experimental/storage/innobase/srv/srv0start.cc:1984
      #20 0x00005628ba6d33ca in xtrabackup_prepare_func (argv=0x615000001c80) at /data/Server/bb-10.6-MDEV-21136-records_in_range-experimental/extra/mariabackup/xtrabackup.cc:6095
      

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              Assignee:
              wlad Vladislav Vaintroub
              Reporter:
              wlad Vladislav Vaintroub
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