FreeRADIUS 1.1.1 Segmentation fault on Fedora 4

Nikolas Thoman nikthoman at
Wed Apr 12 22:56:18 CEST 2006

I am running FreeRADIUS 1.1.1 on a Fedora Core 4 server (kernel 2.6.11-1.1369_FC4smp) to authenticate using EAP-SIM.
  After ~400 successful auths at 20 requests/second the radiusd service  encounters a segmentation fault.  The output of the gdb dump is as  follows:
  Program received signal SIGSEGV, Segmentation fault.
  [Switching to Thread -1208572224 (LWP 9805)]
  0x0072ec33 in _int_malloc () from /lib/
  (gdb) bt
  #0  0x0072ec33 in _int_malloc () from /lib/
  #1  0x00730792 in malloc () from /lib/
  #2  0x005007e4 in eap_compose (handler=0x8fb8220) at eap.c:395
  #3  0x004ffa94 in eap_authenticate (instance=0x8f8e4b8, request=0x8fbe648) at rlm_eap.c:341
  #4  0x08053009 in modcall ()
  #5  0x0805351d in modcall ()
  #6  0x0805312d in modcall ()
  #7  0x080525ba in find_module_instance ()
  #8  0x0804c532 in rad_check_password ()
  #9  0x0804cb03 in rad_authenticate ()
  #10 0x08054c0a in rad_respond ()
  #11 0x08056287 in main ()
  I have another FreeRADIUS 1.0.3 server running on a Red Hat 9 server  (kernel 2.4.20-8) that has had no problems running this kind of traffic.
  Any help in diagnosing the reason why I'm encountering a fault in malloc would be much appreciated.
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