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Cisco Bug: CSCur70844 - ASR 901 - Memory corruption due to stack overflow in QoS functions

Last Modified

Sep 14, 2019

Products (21)

  • Cisco ASR 901 Series Aggregation Services Routers
  • Cisco ASR 901-6CZ-F-D Router
  • Cisco ASR 901-6CZ-FS-D Router
  • Cisco ME 3600X-24TS-M Switch
  • Cisco ASR 901-4C-FT-D Router
  • Cisco ASR 901S-4SG-F-D Router
  • Cisco ASR 901-6CZ-F-A Router
  • Cisco ASR 901S-2SG-F-AH Router
  • Cisco ASR 901S-2SG-F-D Router
  • Cisco ASR 901-6CZ-FT-A Router
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Known Affected Releases

15.4(2)S1

Description (partial)

Symptom:
An ASR901 router may unexpectedly reload.

Conditions:
This has been observed on an ASR901 router running 15.4(2)S1 and 15.4(3)S.

The root cause of the reload is related to QoS functions taking excessive space on a process stack. However, it is not known at this time what situation will cause this to become a problem.
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Bug Details Include

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  • Status
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