Details
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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 10.5.1
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Fix Version/s: 10.5.4
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Component/s: Storage Engine - InnoDB
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Labels:
Description
The test parts.longname that I extended for MDEV-22817 revealed another error that was introduced in MDEV-16678:
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10.5 0e69f601aaafb920a9305c4ab5d380de2b43e917 |
==113772==ERROR: AddressSanitizer: stack-buffer-overflow on address 0x7f8718ff4b21 at pc 0x7f872870157d bp 0x7f8718ff47f0 sp 0x7f8718ff3f98
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WRITE of size 394 at 0x7f8718ff4b21 thread T15
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#0 0x7f872870157c (/lib/x86_64-linux-gnu/libasan.so.5+0x9b57c)
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#1 0x558391fc45d0 in bool dict_table_t::parse_name<true>(char (&) [193], char (&) [193], unsigned long*, unsigned long*) const /home/buildbot/buildbot/build/mariadb-10.5.4/storage/innobase/dict/dict0dict.cc:751
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#2 0x558391fc49c2 in dict_table_t* dict_acquire_mdl_shared<false>(dict_table_t*, THD*, MDL_ticket**, dict_table_op_t) /home/buildbot/buildbot/build/mariadb-10.5.4/storage/innobase/dict/dict0dict.cc:819
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#3 0x558391faff5a in dict_table_open_on_id(unsigned long, bool, dict_table_op_t, THD*, MDL_ticket**) /home/buildbot/buildbot/build/mariadb-10.5.4/storage/innobase/dict/dict0dict.cc:955
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The problem is that we are copying the entire table name (with partition and subpartition names) to the buffer, and only then stripping the partition and subpartition components.
Attachments
Issue Links
- is caused by
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MDEV-16678 Use MDL for innodb background threads instead of dict_operation_lock
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- Closed
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