Server crashes on preparing empty query when trace is enabled [CORE3884]

[firebird-automations]

Submitted by: @dmitry-starodubov

Assigned to: @dmitry-starodubov

In that case in function TraceDSQLPrepare::prepare object m_request is empty and execution "m_request->req_transaction" crashes the server

Commits: 1d8dc33

====== Test Details ======

Could get crash only once, all other attampts had no result (FB stays alive).

[firebird-automations]

Modified by: @hvlad

assignee: Vlad Khorsun [ hvlad ]

[firebird-automations]

Modified by: @hvlad

status: Open [ 1 ] => Resolved [ 5 ]

resolution: Fixed [ 1 ]

Fix Version: 2.5.3 [ 10461 ]

[firebird-automations]

Commented by: @hvlad

It is too late to include the fix into v2.5.2, unfortunately, so 2.5.2 is affected also

[firebird-automations]

Modified by: @hvlad

Version: 2.5.2 [ 10450 ]

[firebird-automations]

Commented by: @dyemanov

This patch has been included into 2.5.2, so I've updated the version fields accordingly.

[firebird-automations]

Modified by: @dyemanov

Fix Version: 2.5.2 [ 10450 ]

Version: 2.5.2 [ 10450 ] =>

Fix Version: 2.5.3 [ 10461 ] =>

[firebird-automations]

Commented by: @pmakowski

Fix CVE-2012-5529

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Modified by: @pcisar

status: Resolved [ 5 ] => Closed [ 6 ]

[firebird-automations]

Modified by: @dyemanov

assignee: Vlad Khorsun [ hvlad ] => Dmitriy Starodubov [ dmitriy starodubov ]

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Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: No test

[firebird-automations]

Modified by: @pavel-zotov

status: Closed [ 6 ] => Closed [ 6 ]

QA Status: No test => Done with caveats

Test Details: Could get crash only once, all other attampts had no result (FB stays alive).