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MDEV 22785 Crash with prepared statements and NEXTVAL()

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The problem was that a PREARE followed by a non prepared statement
using DEFAULT NEXT_VALUE() could change table->next_local to point to
a not persitent memory aria. The next EXECUTE would then try to use
the wrong pointer, which could cause a crash.
Fixed by reseting the pointer to it's old value when doing EXECUTE.
This commit is contained in:
Michael Widenius 2021-08-25 22:16:19 +03:00
commit b378ddb3d3
4 changed files with 38 additions and 6 deletions
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2
BUILD/SETUP.sh
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@ -211,7 +211,7 @@ fi
max_no_embedded_configs="$SSL_LIBRARY --with-plugins=max"
max_no_qc_configs="$SSL_LIBRARY --with-plugins=max --without-query-cache"
max_configs="$SSL_LIBRARY --with-plugins=max --with-embedded-server --with-libevent --without-plugin=plugin_file_key_management --with-plugin-rocksdb=dynamic --with-plugin-test_sql_discovery=DYNAMIC"
max_configs="$SSL_LIBRARY --with-plugins=max --with-embedded-server --with-libevent --without-plugin=plugin_file_key_management --with-plugin-rocksdb=dynamic --without-plugin-tokudb --with-plugin-test_sql_discovery=DYNAMIC"
all_configs="$SSL_LIBRARY --with-plugins=max --with-embedded-server --with-innodb_plugin --with-libevent"
#