Details
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Bug
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Status: Closed (View Workflow)
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Minor
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Resolution: Cannot Reproduce
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10.3.9
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None
Description
Server crashes with signal 11 on SIGINT when run in --bootstrap mode.
Reproduce
#!/bin/sh
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gdbrc=/tmp/bootsrap.gdb
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cat <<EOF > $gdbrc
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start
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break bootstrap
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commands
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commands
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backtrace
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echo bootstrap() entered again!\n
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continue
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end
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signal SIGINT
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end
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continue
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EOF
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gdb -q -x $gdbrc --args mysqld --debug-gdb --silent-startup --bootstrap
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Result
Thread 1 "mysqld" hit Breakpoint 2, bootstrap (file=0x28859f0 [instrumented_stdin]) at /home/midenok/src/mariadb/upstream/src/sql/mysqld.cc:6445
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6445 DBUG_ENTER("bootstrap");
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Thread 1 "mysqld" hit Breakpoint 2, bootstrap (file=0x28859f0 [instrumented_stdin]) at /home/midenok/src/mariadb/upstream/src/sql/mysqld.cc:6445
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6445 DBUG_ENTER("bootstrap");
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h1.0 bootstrap (file=0x28859f0 [instrumented_stdin]) at /home/midenok/src/mariadb/upstream/src/sql/mysqld.cc:6445
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h1.1 0x000000000064b560 in mysqld_main (argc=5, argv=0x28a5818) at /home/midenok/src/mariadb/upstream/src/sql/mysqld.cc:6097
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h1.2 0x0000000000646b02 in main (argc=4, argv=0x7fffffffd378) at /home/midenok/src/mariadb/upstream/src/sql/main.cc:25
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bootstrap() entered again!
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Thread 32 "mysqld" received signal SIGSEGV, Segmentation fault.
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[Switching to Thread 0x7ffff4c38700 (LWP 18210)]
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0x000000000141b110 in my_hash_free_elements (hash=0x370) at /home/midenok/src/mariadb/upstream/src/mysys/hash.c:118
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118 uint records= hash->records;
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Note that bootstrap() reentered on SIGINT.
h1.0 0x000000000141b110 in my_hash_free_elements (hash=0x370) at /home/midenok/src/mariadb/upstream/src/mysys/hash.c:118
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h1.1 0x000000000141b1fa in my_hash_reset (hash=0x370) at /home/midenok/src/mariadb/upstream/src/mysys/hash.c:171
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h1.2 0x000000000094caba in Master_info_index::free_connections (this=0x0) at /home/midenok/src/mariadb/upstream/src/sql/rpl_mi.cc:1057
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h1.3 0x000000000068b652 in slave_prepare_for_shutdown () at /home/midenok/src/mariadb/upstream/src/sql/slave.cc:1391
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h1.4 0x0000000000656685 in close_connections () at /home/midenok/src/mariadb/upstream/src/sql/mysqld.cc:1764
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h1.5 0x000000000064789d in kill_server (sig_ptr=0x0) at /home/midenok/src/mariadb/upstream/src/sql/mysqld.cc:2034
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h1.6 0x00000000006475ad in kill_server_thread (arg=0x7ffff4c81e6c) at /home/midenok/src/mariadb/upstream/src/sql/mysqld.cc:2066
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h1.7 0x00007ffff7bbd7fc in start_thread (arg=0x7ffff4c38700) at pthread_create.c:465
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h1.8 0x00007ffff5e81b5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
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(gdb) f 0
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h1.0 0x000000000141b110 in my_hash_free_elements (hash=0x370) at /home/midenok/src/mariadb/upstream/src/mysys/hash.c:118
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118 uint records= hash->records;
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(gdb) p hash
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$1 = (HASH *) 0x370
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Info
Occurrs at any place in bootstrap().