UNIX Agent (v24 Java) aborts with RC=134 (stack smashing detected) when decrypting values exceeding 263 characters.
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UNIX Agent (v24 Java) aborts with RC=134 (stack smashing detected) when decrypting values exceeding 263 characters.

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Article ID: 432976

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Updated On:

Products

CA Automic Workload Automation - Automation Engine Automic SaaS

Issue/Introduction

When executing a UNIX job utilizing the v24 UNIX Agent, the job fails and generates a return code of 134 if it attempts to decrypt a string longer than 263 characters.

  • This occurs when a long password or string is passed encrypted from a LOGIN object (e.g., using GET_LOGIN) and is decrypted on the host via the Job Messenger command &UC_JOBMD CMD='echo &PW#'

The decryption itself appears to complete successfully, but the job terminates abruptly at the end of the process.

Errors observed in the Job Report:

*** stack smashing detected ***: terminated 
(core dumped) 
<RunID> Aborted

Errors observed in the Agent Log:

Job '<Job_Name>' with RunID '<RunID>' ended with return code '134'. 
Process '<Process_ID>' for RunId '<RunID>', ended with exit code: '134'. 
Possible error description: 'Ended by signal: '6 - Aborted'.'

 

Environment

  • Product: CA Automic Workload Automation - Automation Engine

  • Component: UNIX Agent (v24 Java)

  • Version: 24.4.3 (e.g., 24.4.3+build.1764690862231)

  • OS: UNIX / Linux

Cause

DE183862: The *** stack smashing detected *** error generally indicates a buffer overflow occurring within the Job Messenger executable (e.g., ucxjlx6m) when it processes the exceptionally long string output during termination.

Resolution

Solution:

Update to a fix version listed below or a newer version if available.


Fix version:

Component(s): Agent Unix

Automation.Engine 24.4.4 HF1 - Available
Automation.Engine 24.4.5 - Planned release June 2026
Automation.Engine 26.1.0 - Planned release TBD

Workaround: Until a patch is available, ensure that any encrypted strings, passwords, or values being passed to the UNIX Job Messenger for decryption do not exceed the 263-character limit.

 

Additional Information

Public Description: A problem has been fixed where the UNIX Job Messenger had problem while decoding long encrypted values.

 

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