Engine crashes if the NULL attachment handle is passed from the Y-valve [CORE2840] #3226
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Modified by: @dyemanovassignee: Dmitry Yemanov [ dimitr ] |
Modified by: @dyemanovstatus: Open [ 1 ] => In Progress [ 3 ] |
Modified by: @dyemanovFix Version: 2.5 RC2 [ 10372 ] |
Modified by: @dyemanovdescription: The issue becomes possible when multiple threads execute the isc_detach_database() call at the same time. It can be reproduced with: delete from mon$attachments where mon$attachment_id <> current_connection running against a concurrently loaded server. I tried 20 TPC-C connections. => The issue becomes possible when multiple threads execute the isc_detach_database() call at the same time. It can be reproduced with: delete from mon$attachments where mon$attachment_id <> current_connection running against a concurrently loaded server. I tried 20 TPC-C connections. It seems being a regression introduced in RC1. |
Modified by: @dyemanovstatus: In Progress [ 3 ] => Open [ 1 ] |
Modified by: @dyemanovFix Version: 3.0 Alpha 1 [ 10331 ] |
Modified by: @pcisarstatus: Resolved [ 5 ] => Closed [ 6 ] |
Modified by: @pavel-zotovQA Status: No test |
Modified by: @pavel-zotovstatus: Closed [ 6 ] => Closed [ 6 ] QA Status: No test => Not enough information Test Details: What kind of workload needs to be created ? How long sessions should work before they will be killed ? |
Submitted by: @dyemanov
The issue becomes possible when multiple threads execute the isc_detach_database() call at the same time. It can be reproduced with:
delete from mon$attachments where mon$attachment_id <> current_connection
running against a concurrently loaded server. I tried 20 TPC-C connections.
It seems being a regression introduced in RC1.
Commits: 2cc6811 2497723
====== Test Details ======
What kind of workload needs to be created ? How long sessions should work before they will be killed ?
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