Details
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Bug
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Status: Closed (View Workflow)
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Major
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Resolution: Fixed
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10.0.6, 10.1.0, 10.2.0, 10.3.0
Description
The test case mentioned in MDEV-16063 occasionally causes a crash in AddressSanitizer-enabled builds. I have tested and repeated this in 10.0, 10.2, and 10.3 so far.
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10.0 7b9486d2eb3876d55edc05173235e6ccad2e6ae3 |
AddressSanitizer: heap-use-after-free
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…
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#8 0x00000000006730a8 in __asan_report_load8 ()
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#9 0x00007fded9d437bc in lock_release (trx=<optimized out>) at /mariadb/10.0/storage/innobase/lock/lock0lock.cc:4803
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#10 0x00007fded9d432d1 in lock_trx_release_locks (trx=0x61b00003fef8) at /mariadb/10.0/storage/innobase/lock/lock0lock.cc:7047
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#11 0x00007fded9ebe384 in trx_commit_in_memory (trx=0x61b00003fef8, lsn=1639442) at /mariadb/10.0/storage/innobase/trx/trx0trx.cc:1182
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#12 0x00007fded9ebf173 in trx_commit (trx=0x61b00003fef8) at /mariadb/10.0/storage/innobase/trx/trx0trx.cc:1410
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#13 0x00007fded9eb1915 in trx_rollback_finish (trx=0x61b00003fef8) at /mariadb/10.0/storage/innobase/trx/trx0roll.cc:1339
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This rollback is executed when a client disconnects. The index name is uidx, and that object has been freed. lock->index->table->indexes contains only one index, the clustered index. The freed index object was an uncommitted index, created by ADD UNIQUE INDEX.
Next, I will try to create a DEBUG_SYNC test case for this.
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