Preview Tool

Cisco Bug: CSCvs01600 - Controller buffer overflow is caused by %SAFEC-3-SAFEC_ERROR constantly appearing in syslogs

Last Modified

Jun 02, 2020

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases


Description (partial)

SAFEC Errors constantly appearing in syslogs -

*radiusCoASupportTransportThread: Oct 17 14:23:27.042: %SAFEC-3-SAFEC_ERROR: safecWrapper.c:56 DATA INCONSISTENCY: (22) memcpy_s: n exceeds dmax
-Traceback: 0x2b453a4  0x2b3d58c  0x2b46bab  0x2b46eb3  0x2b3d5e1  0x1bd4028  0x1bd92ae  0x1883370  /lib64/  /lib64/

Causes WLC buffers to overflow and thus caused APs to disjoin occasionally (resolved by reboot).

WLC is 8540 running on code
WLC is using WLAN with Central Web Auth.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.