5.4 snmptrapd Crashed After Forwarding

I'm running netSNMP version 5.4 on an i686 machine with Linux 2.6.16.16
kernel; in my snmptrapd.conf I used "forward" to send a specific trap to
another machine.
The trap was forwarded OK but snmptrapd seg fault right afterward. This is
a v3 trap, if I were to use a v2 trap, everything worked fine.
Here is the backtrace from the debugger:

NET-SNMP version 5.4
2007-01-24 15:37:20 <UNKNOWN> [UDP: [192.168.22.2]:32968]:
DISMAN-EVENT-MIB::sysUpTimeInstance =3D Timeticks: (42) 0:00:00.42
SNMPv2-MIB::snmpTrapOID.0 =3D OID: SNMPv2-SMI::enterprises.1569.223.1.1.6.0=
..4
SNMPv2-SMI::enterprises.1569.223.1.1.5.2.0 =3D INTEGER: 2

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1215118432 (LWP 21163)]
0xb79d6e84 in mallopt () from /lib/tls/libc.so.6
(gdb) bt
#0 0xb79d6e84 in mallopt () from /lib/tls/libc.so.6
#1 0xb79d5dcb in free () from /lib/tls/libc.so.6
#2 0xb7d5c66c in usm_free_usmStateReference (old=3D0x80759d8) at
snmpusm.c:189
#3 0xb7d2c2b9 in _sess_process_packet (sessp=3D0x80aaba8, sp=3D0x8065068,
isp=3D0x8077a78, transport=3D0x809bd98, opaque=3D0x80a7bd8, olength=3D20,
packetptr=3D0x80b1778 "0\201=C2=A6\002\001\0030\021\002\004<*=C2=B1@\002 \00=
3",
length=3D169) at snmp_api.c:5376
#4 0xb7d2d4fb in _sess_read (sessp=3D0x80aaba8, fdset=3D0x8077a78) at
snmp_api.c:5779
#5 0xb7d2dcc9 in snmp_sess_read (sessp=3D0x80aaba8, fdset=3D0x1011f170) at
snmp_api.c:5798
#6 0xb7d2c94c in snmp_read (fdset=3D0xbfc4e4b0) at snmp_api.c:5412
#7 0x0804cee9 in main (argc=3D5, argv=3D0xbfc4e654) at snmptrapd.c:1418

Is this a bug?

Thanks,
Chau Trinh


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