SIGBUS in _memget () from /lib/sparcv9//libresolv.so.2

Hello,

I'm trying to debug a random sigbus in a huge program. This sigbus
randomly occurs in libresolv.so.2. Here is backtrace :

Core was generated by `/usr/local/bin/rpl -csdnp ./serveur.rpl'.
Program terminated with signal 10, Bus error.
#0 0xffffffff0b828854 in __memget () from /lib/sparcv9//libresolv.so.2
(gdb) bt
#0 0xffffffff0b828854 in __memget () from /lib/sparcv9//libresolv.so.2
#1 0xffffffff0b81c090 in __net_data_create () from
/lib/sparcv9//libresolv.so.2
#2 0xffffffff0b81c018 in __net_data_init () from
/lib/sparcv9//libresolv.so.2
#3 0xffffffff0b81ee38 in init () from /lib/sparcv9//libresolv.so.2
#4 0xffffffff0b81d864 in res_gethostbyname2 () from
/lib/sparcv9//libresolv.so.2
#5 0xffffffff0fe012e4 in _nss_dns_gethostbyname2 ()
from /usr/lib/sparcv9//nss_dns.so.1
#6 0xffffffff0fe01e88 in getbyname () from
/usr/lib/sparcv9//nss_dns.so.1
#7 0xffffffff7d8695dc in nss_search () from /lib/sparcv9//libc.so.1
#8 0xffffffff7cf35264 in _switch_getipnodebyname_r ()
from /lib/sparcv9//libnsl.so.1
#9 0xffffffff7cf33c38 in _get_hostserv_inetnetdir_byname ()
from /lib/sparcv9//libnsl.so.1
#10 0xffffffff7cf30f08 in getipnodebyname () from
/lib/sparcv9//libnsl.so.1
#11 0xffffffff7dc0626c in get_addr () from
/lib/sparcv9//libsocket.so.1
#12 0xffffffff7dc060cc in _getaddrinfo () from
/lib/sparcv9//libsocket.so.1
#13 0x000000010049c9b4 in pg_getaddrinfo_all ()
#14 0x0000000100486b5c in connectDBStart ()
#15 0x00000001004865a8 in PQsetdbLogin ()

I don't understand. All PQsetdblogin() parameters are valid.

All ideas to debug are welcome.

Regards,

JKB

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