Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-22319

SIGSEGV in handle_grant_table

    XMLWordPrintable

    Details

      Description

      RENAME TABLE mysql.procs_priv TO mysql.procs_priv_backup;
      DROP USER a;
      

      Leads to:

      10.5.3 181f17c3cd4366f58d9efbff9d7556bb49742ed4

      Core was generated by `/test/MD180420-mariadb-10.5.3-linux-x86_64-opt/bin/mysqld --no-defaults --core-'.
      Program terminated with signal SIGSEGV, Segmentation fault.
      #0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=11)
          at ../sysdeps/unix/sysv/linux/pthread_kill.c:57
      [Current thread is 1 (Thread 0x7f25b8104700 (LWP 35112))]
      (gdb) bt
      #0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=11) at ../sysdeps/unix/sysv/linux/pthread_kill.c:57
      #1  0x000056056958ce87 in my_write_core (sig=sig@entry=11) at /test/10.5_opt/mysys/stacktrace.c:518
      #2  0x0000560568f4f2ca in handle_fatal_signal (sig=11) at /test/10.5_opt/sql/signal_handler.cc:329
      #3  <signal handler called>
      #4  handle_grant_table (thd=0x7f2589412018, grant_table=..., which_table=PROCS_PRIV_TABLE, drop=true, user_from=0x7f25894470b8, user_to=0x0) at /test/10.5_opt/sql/sql_acl.cc:9895
      #5  0x0000560568cda699 in handle_grant_data (thd=thd@entry=0x7f2589412018, tables=..., drop=drop@entry=true, user_from=user_from@entry=0x7f25894470b8, user_to=0x0) at /test/10.5_opt/sql/sql_acl.cc:10464
      #6  0x0000560568ce66c1 in mysql_drop_user (thd=thd@entry=0x7f2589412018, list=..., handle_as_role=false) at /test/10.5_opt/sql/sql_acl.cc:10841
      #7  0x0000560568d59f9d in mysql_execute_command (thd=thd@entry=0x7f2589412018) at /test/10.5_opt/sql/sql_parse.cc:5262
      #8  0x0000560568d60b9c in mysql_parse (thd=thd@entry=0x7f2589412018, rawbuf=<optimized out>, length=11, parser_state=parser_state@entry=0x7f25b81034d0, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.5_opt/sql/sql_parse.cc:7953
      #9  0x0000560568d55a10 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x7f2589412018, packet=packet@entry=0x7f258943a019 "DROP USER a", packet_length=packet_length@entry=11, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /test/10.5_opt/sql/sql_parse.cc:1839
      #10 0x0000560568d53d2f in do_command (thd=0x7f2589412018) at /test/10.5_opt/sql/sql_parse.cc:1358
      #11 0x0000560568e48d7e in do_handle_one_connection (connect=<optimized out>, connect@entry=0x7f25b5c329b8, put_in_cache=put_in_cache@entry=true) at /test/10.5_opt/sql/sql_connect.cc:1422
      #12 0x0000560568e48f24 in handle_one_connection (arg=arg@entry=0x7f25b5c329b8) at /test/10.5_opt/sql/sql_connect.cc:1319
      #13 0x00005605691b552a in pfs_spawn_thread (arg=0x7f25b5c4b018) at /test/10.5_opt/storage/perfschema/pfs.cc:2201
      #14 0x00007f25b752b6db in start_thread (arg=0x7f25b8104700) at pthread_create.c:463
      #15 0x00007f25b692988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

      Bug confirmed present in:
      MariaDB: 10.1.45 (dbg), 10.1.45 (opt), 10.2.32 (dbg), 10.2.32 (opt), 10.3.23 (dbg), 10.3.23 (opt), 10.4.13 (dbg), 10.4.13 (opt), 10.5.2 (dbg), 10.5.2 (opt), 10.5.3 (dbg), 10.5.3 (opt)

      Bug confirmed not present in:
      MySQL: 5.5.62 (dbg), 5.5.62 (opt), 5.6.47 (dbg), 5.6.47 (opt), 5.7.29 (dbg), 5.7.29 (opt), 8.0.19 (dbg), 8.0.19 (opt)

      MySQL 8.0.19 (dbg) output:

      8.0.19>RENAME TABLE mysql.procs_priv TO mysql.procs_priv_backup;
      Query OK, 0 rows affected (0.04 sec)
      8.0.19>DROP USER a;
      ERROR 1146 (42S02): Table 'mysql.procs_priv' doesn't exist
      

        Attachments

          Issue Links

            Activity

              People

              Assignee:
              bar Alexander Barkov
              Reporter:
              Roel Roel Van de Paar
              Votes:
              0 Vote for this issue
              Watchers:
              1 Start watching this issue

                Dates

                Created:
                Updated:
                Resolved:

                  Git Integration

                  Error rendering 'com.xiplink.jira.git.jira_git_plugin:git-issue-webpanel'. Please contact your Jira administrators.