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  1. MariaDB Server
  2. MDEV-16497

Server crashes on corrupted pages during DROP TABLE

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    Description

      In provided test we intentionally create several tables using page compression and corrupt

      • compression method field
      • payload size
      • actual payload data

      Expectation is naturally that server will not crash. This expectation is not true for all possible compression methods.

      2018-06-15 14:45:55 140214146956032 [ERROR] InnoDB: Unable to read tablespace 27 page no 3 into the buffer pool after 100 attempts. The most probable cause of this error may be that the table has been corrupted. You can try to fix this problem by using innodb_force_recovery. Please see http://dev.mysql.com/doc/refman/5.6/en/ for more details. Aborting...
      2018-06-15 14:45:55 7f86266bfb00  InnoDB: Assertion failure in thread 140214146956032 in file ha_innodb.cc line 22025
      InnoDB: We intentionally generate a memory trap.
      InnoDB: Submit a detailed bug report to https://jira.mariadb.org/
      InnoDB: If you get repeated assertion failures or crashes, even
      InnoDB: immediately after the mysqld startup, there may be
      InnoDB: corruption in the InnoDB tablespace. Please refer to
      InnoDB: http://dev.mysql.com/doc/refman/5.6/en/forcing-innodb-recovery.html
      InnoDB: about forcing recovery.
      180615 14:45:55 [ERROR] mysqld got signal 6 ;
      This could be because you hit a bug. It is also possible that this binary
      or one of the libraries it was linked against is corrupt, improperly built,
      or misconfigured. This error can also be caused by malfunctioning hardware.
       
      To report this bug, see https://mariadb.com/kb/en/reporting-bugs
       
      We will try our best to scrape up some info that will hopefully help
      diagnose the problem, but since we have already crashed, 
      something is definitely wrong and this may fail.
       
      Server version: 10.1.34-MariaDB-debug
      key_buffer_size=1048576
      read_buffer_size=131072
      max_used_connections=1
      max_threads=153
      thread_count=1
      It is possible that mysqld could use up to 
      key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 63026 K  bytes of memory
      Hope that's ok; if not, decrease some variables in the equation.
       
      Thread pointer: 0x7f8619f95070
      Attempting backtrace. You can use the following information to find out
      where mysqld died. If you see no messages after this, something went
      terribly wrong...
      stack_bottom = 0x7f86266bf1a0 thread_stack 0x48400
      /home/jan/mysql/10.1-bugs/sql/mysqld(my_print_stacktrace+0x38)[0x55968afcabec]
      mysys/stacktrace.c:267(my_print_stacktrace)[0x55968a963fd1]
      /lib/x86_64-linux-gnu/libpthread.so.0(+0x11f50)[0x7f862635cf50]
      /lib/x86_64-linux-gnu/libc.so.6(gsignal+0x10b)[0x7f86235c7e7b]
      linux/raise.c:51(__GI_raise)[0x7f86235c9231]
      /home/jan/mysql/10.1-bugs/sql/mysqld(+0xa70592)[0x55968acc1592]
      handler/ha_innodb.cc:22027(ib_logf(ib_log_level_t, char const*, ...))[0x55968aea9315]
      buf/buf0buf.cc:3272(buf_page_get_gen(unsigned long, unsigned long, unsigned long, unsigned long, buf_block_t*, unsigned long, char const*, unsigned long, mtr_t*, dberr_t*))[0x55968ae66687]
      include/btr0btr.ic:59(btr_block_get_func(unsigned long, unsigned long, unsigned long, unsigned long, char const*, unsigned long, dict_index_t*, mtr_t*))[0x55968ae667d4]
      include/btr0btr.ic:124(btr_page_get(unsigned long, unsigned long, unsigned long, unsigned long, dict_index_t*, mtr_t*))[0x55968ae697d2]
      btr/btr0btr.cc:1836(btr_free_but_not_root(unsigned long, unsigned long, unsigned long))[0x55968aed9590]
      dict/dict0crea.cc:779(dict_drop_index_tree(unsigned char*, mtr_t*))[0x55968adff92a]
      row/row0upd.cc:2697(row_upd_clust_step(upd_node_t*, que_thr_t*))[0x55968adffe7e]
      row/row0upd.cc:2852(row_upd(upd_node_t*, que_thr_t*))[0x55968ae002f6]
      row/row0upd.cc:3004(row_upd_step(que_thr_t*))[0x55968ad78f9e]
      que/que0que.cc:1071(que_thr_step(que_thr_t*))[0x55968ad79286]
      que/que0que.cc:1151(que_run_threads_low(que_thr_t*))[0x55968ad79415]
      que/que0que.cc:1194(que_run_threads(que_thr_t*))[0x55968ad7969d]
      que/que0que.cc:1277(que_eval_sql(pars_info_t*, char const*, unsigned long, trx_t*))[0x55968adc558f]
      row/row0mysql.cc:4268(row_drop_table_for_mysql(char const*, trx_t*, bool, unsigned long, bool))[0x55968acb4583]
      handler/ha_innodb.cc:13186(ha_innobase::delete_table(char const*))[0x55968a96ea90]
      sql/handler.cc:4320(handler::ha_delete_table(char const*))[0x55968a969b35]
      sql/handler.cc:2384(ha_delete_table(THD*, handlerton*, char const*, char const*, char const*, bool))[0x55968a7de55e]
      sql/sql_table.cc:2469(mysql_rm_table_no_locks(THD*, TABLE_LIST*, bool, bool, bool, bool, bool))[0x55968a7dd77f]
      sql/sql_table.cc:2084(mysql_rm_table(THD*, TABLE_LIST*, char, char))[0x55968a72b2cc]
      sql/sql_parse.cc:4253(mysql_execute_command(THD*))[0x55968a734f33]
      sql/sql_parse.cc:7449(mysql_parse(THD*, char*, unsigned int, Parser_state*))[0x55968a723697]
      sql/sql_parse.cc:1494(dispatch_command(enum_server_command, THD*, char*, unsigned int))[0x55968a722458]
      sql/sql_parse.cc:1121(do_command(THD*))[0x55968a85bc6c]
      sql/sql_connect.cc:1330(do_handle_one_connection(THD*))[0x55968a85b9bc]
      sql/sql_connect.cc:1243(handle_one_connection)[0x55968ac8c49d]
      nptl/pthread_create.c:463(start_thread)[0x7f86263525aa]
      /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7f8623689cbf]
       
      Trying to get some variables.
      Some pointers may be invalid and cause the dump to abort.
      Query (0x7f860c843088): drop table t11, t12, t13, t14, t15
      Connection ID (thread ID): 2
      Status: NOT_KILLED
      

      Attachments

        1. innodb-corrupted.test
          1 kB
          Jan Lindström
        2. innodb-page-compression.inc
          9 kB
          Jan Lindström

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              marko Marko Mäkelä
              jplindst Jan Lindström (Inactive)
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                Updated:
                Resolved:

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