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Multi-threaded OCCI / OCI App Crashes (SIGSEGV) in __NPTL_DEALLOCATE_TSD (Doc ID 1395459.1)

Last updated on FEBRUARY 03, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.Symptoms

A multi-threaded (pthread) OCCI program which calls an OCI program to connect to Oracle to perform DML, crashes with SIGSEGV (Segmentation fault) after upgrading from 10.2 to 11.2.0.1.  The crash happens in __nptl_deallocate_tsd () from /lib/libpthread.so.

The crash only appears to occur on Linux (32/64bit) with the gcc compiler version 4.x.

Changes

The issue reproduces on Oracle version 11.2.0.1 and 11.2.0.3
The issue does not reproduce on Oracle version 11.2.0.2 or 10g

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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