Uploaded image for project: 'MariaDB Server'
  1. MariaDB Server
  2. MDEV-22043

Special character leads to assertion in my_wc_to_printable_generic on 10.5.2 (debug)

    XMLWordPrintable

    Details

      Description

      SET NAMES sjis;
      SET @@CHARACTER_SET_CLIENT='cp1257';
      (a(b 'т'));
      

      Leads to:

      mysqld: /data/git/10.5_dbg/strings/ctype.c:1072: my_wc_to_printable_generic: Assertion `0' failed.
      

      Core was generated by `/data/MD180320-mariadb-10.5.2-linux-x86_64-dbg/bin/mysqld --no-defaults --core-'.
      Program terminated with signal SIGABRT, Aborted.
      #0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6)
          at ../sysdeps/unix/sysv/linux/pthread_kill.c:57
      57	../sysdeps/unix/sysv/linux/pthread_kill.c: No such file or directory.
      [Current thread is 1 (Thread 0x7f95613b7700 (LWP 11593))]
      (gdb) bt
      #0  __pthread_kill (threadid=<optimized out>, signo=signo@entry=6)
          at ../sysdeps/unix/sysv/linux/pthread_kill.c:57
      #1  0x00005612a90737d4 in my_write_core (sig=sig@entry=6) at /data/git/10.5_dbg/mysys/stacktrace.c:518
      #2  0x00005612a881cb5f in handle_fatal_signal (sig=6) at /data/git/10.5_dbg/sql/signal_handler.cc:325
      #3  <signal handler called>
      #4  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
      #5  0x00007f955fafb801 in __GI_abort () at abort.c:79
      #6  0x00007f955faeb39a in __assert_fail_base (
          fmt=0x7f955fc727d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", 
          assertion=assertion@entry=0x5612a93a1fcd "0", 
          file=file@entry=0x5612a97d93d0 "/data/git/10.5_dbg/strings/ctype.c", line=line@entry=1072, 
          function=function@entry=0x5612a97da460 <__PRETTY_FUNCTION__.12805> "my_wc_to_printable_generic")
          at assert.c:92
      #7  0x00007f955faeb412 in __GI___assert_fail (assertion=assertion@entry=0x5612a93a1fcd "0", 
          file=file@entry=0x5612a97d93d0 "/data/git/10.5_dbg/strings/ctype.c", line=line@entry=1072, 
          function=function@entry=0x5612a97da460 <__PRETTY_FUNCTION__.12805> "my_wc_to_printable_generic")
          at assert.c:101
      #8  0x00005612a90babd1 in my_wc_to_printable_generic (cs=0x5612a9d5aa60 <my_charset_sjis_japanese_ci>, 
          wc=<optimized out>, str=0x7f95613b5cfe "\201_ ];a\225\177", end=0x7f95613b5e6f "")
          at /data/git/10.5_dbg/strings/ctype.c:1072
      #9  0x00005612a90bac42 in my_convert_using_func (to=0x7f95613b5cfe "\201_ ];a\225\177", 
          to@entry=0x7f95613b5c70 "You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a(b '\201_ ];a\225\177", 
          to_length=to_length@entry=511, to_cs=to_cs@entry=0x5612a9d5aa60 <my_charset_sjis_japanese_ci>, 
          wc_mb=0x5612a90baa77 <my_wc_to_printable_generic>, from=0x7f9534c1ac1b "‚'))' at line 1", 
          from@entry=0x7f9534c1ab8b "You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a(b 'Ń‚'))' at line 1", 
          from_length=from_length@entry=161, from_cs=0x5612a9d9d040 <my_charset_utf8mb3_general_ci>, 
          mb_wc=0x5612a90b3131 <my_utf8mb3_uni>, errors=0x7f95613b5c4c)
          at /data/git/10.5_dbg/strings/ctype.c:1141
      #10 0x00005612a852d095 in convert_error_message (
          to=to@entry=0x7f95613b5c70 "You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a(b '\201_ ];a\225\177", to_length=511, 
          to_length@entry=512, to_cs=0x5612a9d5aa60 <my_charset_sjis_japanese_ci>, 
          from=from@entry=0x7f9534c1ab8b "You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a(b 'Ń‚'))' at line 1", 
          from_length=161, from_cs=0x5612a9d9d040 <my_charset_utf8mb3_general_ci>, errors=0x7f95613b5c4c)
          at /data/git/10.5_dbg/sql/sql_error.cc:957
      #11 0x00005612a84834f2 in net_send_error_packet (thd=0x7f9534c15088, sql_errno=sql_errno@entry=1064, 
          err=<optimized out>, 
          err@entry=0x7f9534c1ab8b "You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a(b 'Ń‚'))' at line 1", 
          sqlstate=sqlstate@entry=0x7f9534c1ab70 "42000") at /data/git/10.5_dbg/sql/protocol.cc:452
      #12 0x00005612a84837cb in Protocol::send_error (this=0x7f9534c15650, sql_errno=1064, 
          err_msg=0x7f9534c1ab8b "You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'a(b 'Ń‚'))' at line 1", 
          sql_state=0x7f9534c1ab70 "42000") at /data/git/10.5_dbg/sql/protocol.cc:672
      #13 0x00005612a84839f6 in Protocol::end_statement (this=0x7f9534c15650)
          at /data/git/10.5_dbg/sql/protocol.cc:596
      #14 0x00005612a8570aab in dispatch_command (command=command@entry=COM_QUERY, 
          thd=thd@entry=0x7f9534c15088, packet=<optimized out>, packet@entry=0x7f9534c67089 "(a(b 'т'))", 
          packet_length=<optimized out>, packet_length@entry=11, is_com_multi=is_com_multi@entry=false, 
          is_next_command=is_next_command@entry=false) at /data/git/10.5_dbg/sql/sql_parse.cc:2430
      #15 0x00005612a856ceaf in do_command (thd=0x7f9534c15088) at /data/git/10.5_dbg/sql/sql_parse.cc:1358
      #16 0x00005612a86c6a09 in do_handle_one_connection (connect=<optimized out>, 
          connect@entry=0x7f953da2b3a8, put_in_cache=put_in_cache@entry=true)
          at /data/git/10.5_dbg/sql/sql_connect.cc:1422
      #17 0x00005612a86c6d38 in handle_one_connection (arg=arg@entry=0x7f953da2b3a8)
          at /data/git/10.5_dbg/sql/sql_connect.cc:1319
      #18 0x00005612a8b23cfc in pfs_spawn_thread (arg=0x7f955f045888)
          at /data/git/10.5_dbg/storage/perfschema/pfs.cc:2201
      #19 0x00007f95607de6db in start_thread (arg=0x7f95613b7700) at pthread_create.c:463
      #20 0x00007f955fbdc88f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      

      Bug confirmed present in:
      MariaDB: 10.5.2 (dbg)

      Bug confirmed not 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 (opt)
      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)

        Attachments

          Activity

            People

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

              Dates

              Created:
              Updated:
              Resolved: