| Bug #83145 | mysqlpump crashes and core drops when connection has failed | ||
|---|---|---|---|
| Submitted: | 26 Sep 2016 7:26 | Modified: | 26 Sep 2016 7:48 |
| Reporter: | Tsubasa Tanaka (OCA) | Email Updates: | |
| Status: | Verified | Impact on me: | |
| Category: | MySQL Server: mysqlpump Command-line Client | Severity: | S3 (Non-critical) |
| Version: | 5.7.15, 8.0.0 | OS: | CentOS (6.8) |
| Assigned to: | CPU Architecture: | Any | |
[26 Sep 2016 7:48]
MySQL Verification Team
Hello Tanaka-San, Thank you for the report. Thanks, Umesh
[26 Sep 2016 7:49]
MySQL Verification Team
-- 5.7.15
(gdb) bt
#0 mysql_send_query (mysql=0x0, query=0x2866428 "SET SQL_QUOTE_SHOW_CREATE= 1", length=28) at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/sql-common/client.c:5211
#1 0x0000000000467881 in mysql_real_query (mysql=0x0, query=<optimized out>, length=<optimized out>)
at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/sql-common/client.c:5229
#2 0x00000000004557e3 in Mysql::Tools::Base::Mysql_query_runner::run_query_unguarded (this=0x2866880, query=...)
at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/client/base/mysql_query_runner.cc:126
#3 0x0000000000455daf in Mysql::Tools::Base::Mysql_query_runner::run_query (this=0x2866880, query=...)
at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/client/base/mysql_query_runner.cc:118
#4 0x000000000043b6eb in Mysql::Tools::Dump::Thread_specific_connection_provider::get_runner (this=0x2865e50, message_handler=<optimized out>)
at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/client/dump/thread_specific_connection_provider.cc:31
#5 0x000000000041a7fe in Mysql::Tools::Dump::Program::execute (this=0xb878c0 <program>, positional_options=std::vector of length 0, capacity 0)
at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/client/dump/program.cc:161
#6 0x0000000000453bf4 in Mysql::Tools::Base::Abstract_program::run (this=0xb878c0 <program>, argc=0, argv=0x2866298)
at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/client/base/abstract_program.cc:98
#7 0x0000000000419925 in main (argc=<optimized out>, argv=<optimized out>) at /export/home/pb2/build/sb_0-20188648-1472127135.37/mysqlcom-pro-5.7.15/client/dump/program.cc:277
(gdb)
Description: mysqlpump crashes when mysqlpump fails to connect MySQL Server. Because of client/dump/abstract_connection_provider.cc:44 and client/dump/program.cc:160 doesn't validate the mysql connection object was set or not. How to repeat: $ client/mysqlpump -S /usr/mysql/8.0.0/data/mysql.sock -uinvalid mysqlpump: Got error: 1045: Access denied for user 'invalid'@'localhost' (using password: NO) while connecting to the MySQL server mysqlpump: [ERROR] (11) Dump process encountered error and will not continue. Segmentation fault (core dumped) (gdb) bt +bt #0 mysql_send_query (mysql=0x0, query=Unhandled dwarf expression opcode 0xf3 ) at /home/yoku0825/mysql-8.0.0-labs-opt/sql-common/client.cc:5268 #1 0x00000000004c1c51 in mysql_real_query (mysql=0x0, query=Unhandled dwarf expression opcode 0xf3 ) at /home/yoku0825/mysql-8.0.0-labs-opt/sql-common/client.cc:5286 #2 0x00000000004acfb3 in Mysql::Tools::Base::Mysql_query_runner::run_query_unguarded (this=0x234fc70, query= Unhandled dwarf expression opcode 0xf3 ) at /home/yoku0825/mysql-8.0.0-labs-opt/client/base/mysql_query_runner.cc:126 #3 0x00000000004ad597 in Mysql::Tools::Base::Mysql_query_runner::run_query (this=0x234fc70, query= Unhandled dwarf expression opcode 0xf3 ) at /home/yoku0825/mysql-8.0.0-labs-opt/client/base/mysql_query_runner.cc:118 #4 0x0000000000493cf6 in Mysql::Tools::Dump::Thread_specific_connection_provider::get_runner (this=0x234f820, message_handler=Unhandled dwarf expression opcode 0xf3 ) at /home/yoku0825/mysql-8.0.0-labs-opt/client/dump/thread_specific_connection_provider.cc:31 #5 0x0000000000469268 in Mysql::Tools::Dump::Program::execute (this=0x9edce0, positional_options=std::vector of length 0, capacity 0) at /home/yoku0825/mysql-8.0.0-labs-opt/client/dump/program.cc:161 #6 0x00000000004aac74 in Mysql::Tools::Base::Abstract_program::run (this=0x9edce0, argc=0, argv=0x2347420) at /home/yoku0825/mysql-8.0.0-labs-opt/client/base/abstract_program.cc:98 #7 0x0000000000467855 in main (argc=Unhandled dwarf expression opcode 0xf3 ) at /home/yoku0825/mysql-8.0.0-labs-opt/client/dump/program.cc:278 Suggested fix: Don't crash, exit with error correctly.