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  1. MariaDB Server
  2. MDEV-24571

ASAN failure during KILL CONNECTION

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Details

    • Bug
    • Status: Open (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.2.37
    • 10.2
    • Server
    • None

    Description

      ASAN failure hit during RQG testing
       
      ==3700361==ERROR: AddressSanitizer: heap-use-after-free on address 0x6020000e92d8 at pc 0x7fff1ce310ad bp 0x714242b3eb80 sp 0x714242b3e328
      READ of size 5 at 0x6020000e92d8 thread T37
          #0 0x7fff1ce310ac  (/lib/x86_64-linux-gnu/libasan.so.5+0x6b0ac)
          #1 0x560160120d4b in process_str_arg /Server/bb-10.2-serg/strings/my_vsnprintf.c:259
          #2 0x560160124f3a in my_vsnprintf_ex /Server/bb-10.2-serg/strings/my_vsnprintf.c:696
          #3 0x56016012607f in my_vsnprintf /Server/bb-10.2-serg/strings/my_vsnprintf.c:781
          #4 0x56015f049999 in vprint_msg_to_log(loglevel, char const*, __va_list_tag*) /Server/bb-10.2-serg/sql/log.cc:8755
          #5 0x56015f01ca35 in Log_to_file_event_handler::log_error(loglevel, char const*, __va_list_tag*) /Server/bb-10.2-serg/sql/log.cc:1028
          #6 0x56015f01d440 in LOGGER::error_log_print(loglevel, char const*, __va_list_tag*) /Server/bb-10.2-serg/sql/log.cc:1136
          #7 0x56015f03cafe in error_log_print(loglevel, char const*, __va_list_tag*) /Server/bb-10.2-serg/sql/log.cc:6483
          #8 0x56015f049e8b in sql_print_warning(char const*, ...) /Server/bb-10.2-serg/sql/log.cc:8786
          #9 0x56015e518e2f in THD::print_aborted_warning(unsigned int, char const*) (/data/Server_bin/bb-10.2-serg_asan/bin/mysqld+0xc2ce2f)
      ...
          #10 0x56015e699b67 in THD::awake(killed_state) /Server/bb-10.2-serg/sql/sql_class.cc:1698
          #11 0x56015e77e969 in kill_one_thread(THD*, long long, killed_state, killed_type) /Server/bb-10.2-serg/sql/sql_parse.cc:8929
          #12 0x56015e77f472 in sql_kill /Server/bb-10.2-serg/sql/sql_parse.cc:9035
          #13 0x56015e766c88 in mysql_execute_command(THD*) /Server/bb-10.2-serg/sql/sql_parse.cc:5246
          #14 0x56015e7775f5 in mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool) /Server/bb-10.2-serg/sql/sql_parse.cc:7763
          #15 0x56015e75063a in dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool) /Server/bb-10.2-serg/sql/sql_parse.cc:1827
          #16 0x56015e74d3f9 in do_command(THD*) /Server/bb-10.2-serg/sql/sql_parse.cc:1381
      Query : KILL CONNECTION ...
      Status: KILL_CONNECTION
       
      RQG
      ===
      git clone https://github.com/mleich1/rqg --branch experimental RQG
       
      perl rqg.pl \              
      --duration=300 \
      --queries=10000000 \
      --no_mask \
      --seed=random \
      --gendata=conf/mariadb/table_stress.zz \
      --rpl_mode=none \
      --gendata_sql=MDEV-17092.sql \
      --engine=InnoDB \
      --mysqld=--loose-idle_readonly_transaction_timeout=0 \
      --mysqld=--loose_innodb_lock_schedule_algorithm=fcfs \
      --mysqld=--interactive_timeout=28800 \
      --mysqld=--innodb-lock-wait-timeout=50 \
      --mysqld=--innodb_stats_persistent=off \
      --mysqld=--loose-idle_write_transaction_timeout=0 \
      --mysqld=--loose-table_lock_wait_timeout=50 \
      --mysqld=--log_bin_trust_function_creators=1 \
      --mysqld=--net_read_timeout=30 \
      --mysqld=--log-bin \
      --mysqld=--connect_timeout=60 \
      --mysqld=--wait_timeout=28800 \
      --mysqld=--loose-debug_assert_on_not_freed_memory=0 \
      --mysqld=--net_write_timeout=60 \
      --mysqld=--loose-idle_transaction_timeout=0 \
      --mysqld=--slave_net_timeout=60 \
      --mysqld=--lock-wait-timeout=86400 \
      --mysqld=--log-output=none \
      --reporters=Backtrace,Deadlock1,ErrorLog \
      --validators=None \
      --grammar=MDEV-17092.yy \
      --threads=10 \
      --workdir=<local settings> \
      --vardir=<local settings> \
      --mtr-build-thread=<local settings> \
      --basedir1=<local settings> \
      --script_debug=_nix_ \
      --rr=Extended \
      --rr_options=--chaos 
       
      pluto:/data/Results/1610378376/MDEV-24571/dev/shm/vardir/1610378376/18/1/rr
      _RR_TRACE_DIR="." rr replay --mark-stdio
       
      (rr) bt
      #0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
      #1  0x00001d45073a7859 in __GI_abort () at abort.c:79
      #2  0x00007fff1cef16a2 in ?? () from /lib/x86_64-linux-gnu/libasan.so.5
      #3  0x00007fff1cefc24c in ?? () from /lib/x86_64-linux-gnu/libasan.so.5
      #4  0x00007fff1cedd8ec in ?? () from /lib/x86_64-linux-gnu/libasan.so.5
      #5  0x00007fff1cedd363 in ?? () from /lib/x86_64-linux-gnu/libasan.so.5
      #6  0x00007fff1ce310cc in ?? () from /lib/x86_64-linux-gnu/libasan.so.5
      #7  0x0000560160120d4c in process_str_arg (cs=0x560161518ec0 <my_charset_latin1>, to=0x714242b3ef6e "", end=0x714242b3f34f "", width=192, par=0x6020000e92d8 "test", print_type=0, nice_cut=0 '\000')
          at /Server/bb-10.2-serg/strings/my_vsnprintf.c:259
      #8  0x0000560160124f3b in my_vsnprintf_ex (cs=0x560161518ec0 <my_charset_latin1>, to=0x714242b3ef6e "", n=1024, fmt=0x560160425ee6 "s' user: '%-.48s' host: '%-.64s' (%-.64s)", ap=0x714242b3f540) at /Server/bb-10.2-serg/strings/my_vsnprintf.c:696
      #9  0x0000560160126080 in my_vsnprintf (to=0x714242b3ef50 "Aborted connection 71 to db: '", n=1024, fmt=0x560160425ec0 "Aborted connection %lld to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)", ap=0x714242b3f540)
          at /Server/bb-10.2-serg/strings/my_vsnprintf.c:781
      #10 0x000056015f04999a in vprint_msg_to_log (level=WARNING_LEVEL, format=0x560160425ec0 "Aborted connection %lld to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)", args=0x714242b3f540) at /Server/bb-10.2-serg/sql/log.cc:8755
      #11 0x000056015f01ca36 in Log_to_file_event_handler::log_error (this=0x61e000000080, level=WARNING_LEVEL, format=0x560160425ec0 "Aborted connection %lld to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)", args=0x714242b3f540)
          at /Server/bb-10.2-serg/sql/log.cc:1028
      #12 0x000056015f01d441 in LOGGER::error_log_print (this=0x560161691220 <logger>, level=WARNING_LEVEL, format=0x560160425ec0 "Aborted connection %lld to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)", args=0x714242b3f540)
          at /Server/bb-10.2-serg/sql/log.cc:1136
      #13 0x000056015f03caff in error_log_print (level=WARNING_LEVEL, format=0x560160425ec0 "Aborted connection %lld to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)", args=0x714242b3f540) at /Server/bb-10.2-serg/sql/log.cc:6483
      #14 0x000056015f049e8c in sql_print_warning (format=0x560160425ec0 "Aborted connection %lld to db: '%-.192s' user: '%-.48s' host: '%-.64s' (%-.64s)") at /Server/bb-10.2-serg/sql/log.cc:8786
      #15 0x000056015e518e30 in THD::print_aborted_warning (this=0x62a000270208, threshold=3, reason=0x56016022fb40 "KILLED") at /Server/bb-10.2-serg/sql/sql_class.h:4220
      #16 0x000056015e699b68 in THD::awake (this=0x62a000270208, state_to_set=KILL_CONNECTION_HARD) at /Server/bb-10.2-serg/sql/sql_class.cc:1698
      #17 0x000056015e77e96a in kill_one_thread (thd=0x62a00021c208, id=71, kill_signal=KILL_CONNECTION_HARD, type=KILL_TYPE_ID) at /Server/bb-10.2-serg/sql/sql_parse.cc:8929
      #18 0x000056015e77f473 in sql_kill (thd=0x62a00021c208, id=71, state=KILL_CONNECTION_HARD, type=KILL_TYPE_ID) at /Server/bb-10.2-serg/sql/sql_parse.cc:9035
      #19 0x000056015e766c89 in mysql_execute_command (thd=0x62a00021c208) at /Server/bb-10.2-serg/sql/sql_parse.cc:5246
      #20 0x000056015e7775f6 in mysql_parse (thd=0x62a00021c208, rawbuf=0x62b0000e0228 "KILL CONNECTION @kill_id /* E_R Thread5 QNO 52 CON_ID 89 */", length=59, parser_state=0x714242b40ce0, is_com_multi=false, is_next_command=false)
          at /Server/bb-10.2-serg/sql/sql_parse.cc:7763
      #21 0x000056015e75063b in dispatch_command (command=COM_QUERY, thd=0x62a00021c208, packet=0x629000f5a209 " KILL CONNECTION @kill_id /* E_R Thread5 QNO 52 CON_ID 89 */ ", packet_length=61, is_com_multi=false, is_next_command=false)
          at /Server/bb-10.2-serg/sql/sql_parse.cc:1827
      #22 0x000056015e74d3fa in do_command (thd=0x62a00021c208) at /Server/bb-10.2-serg/sql/sql_parse.cc:1381
      #23 0x000056015ead5239 in do_handle_one_connection (connect=0x6080000011a8) at /Server/bb-10.2-serg/sql/sql_connect.cc:1336
      #24 0x000056015ead4afc in handle_one_connection (arg=0x6080000011a8) at /Server/bb-10.2-serg/sql/sql_connect.cc:1241
      #25 0x00007fe8e982d609 in start_thread (arg=<optimized out>) at pthread_create.c:477
      #26 0x00001d45074a4293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
      (rr)
      

      Attachments

        1. MDEV-17092.sql
          0.2 kB
          Matthias Leich
        2. MDEV-17092.yy
          0.3 kB
          Matthias Leich
        3. MDEV-24571.sh
          5 kB
          Matthias Leich

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              serg Sergei Golubchik
              mleich Matthias Leich
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                Updated:

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