[GRASS5] [bug #4349] (grass) Segfault in several display modules on x86_64

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this bug's URL: http://intevation.de/rt/webrt?serial_num=4349
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Subject: Segfault in several display modules on x86_64 

Platform: GNU/Linux/x86_64
grass binary for platform: Compiled from Sources
GRASS Version: GRASS 6.1.cvs (2006) checkout 4/22/06

Segfault in several display modules (d.vect, d.zoom) on x86_64, Suse 9.2.  

uname -a:

Linux node0 2.6.5-7.244_lustre.1.4.6smp #1 SMP Sat Feb 18 17:33:39 EST 2006 x86_64 x86_64 x86_64 GNU/Linux

For both d.vect and d.zoom SIGSEGV can be traced to G_whoami () at whoami.c:64.  Here is GDB stack trace:

(gdb) where
#0  0x0000002a96a33915 in strcpy () from /lib64/tls/libc.so.6
#1  0x0000002a95ef7ecc in set_string (x=0x50c4bc, s=0x2a95dec773 "0", copy=1)
    at string.c:108
#2  0x0000002a95deb05b in db_version (driver=0x50c4b8,
    client_version=0x50c4bc, driver_version=0x50c4c0) at c_version.c:20
#3  0x0000002a97be6a01 in __db_e_attach () from /usr/lib64/tls/libdb-4.2.so
#4  0x0000002a97be4759 in __dbenv_open () from /usr/lib64/tls/libdb-4.2.so
#5  0x0000002a97bc146e in __db_dbenv_setup () from /usr/lib64/tls/libdb-4.2.so
#6  0x0000002a97bd5e6a in __db_open () from /usr/lib64/tls/libdb-4.2.so
#7  0x0000002a97bd0c4d in __db_open_pp () from /usr/lib64/tls/libdb-4.2.so
#8  0x0000002a97b707ea in __db185_open () from /usr/lib64/tls/libdb-4.2.so
#9  0x0000002a977fcf5d in _nss_hash_open () from /lib64/libnss_ldap.so.2
#10 0x0000002a977fd0b5 in _nss_ldap_init_config () from /lib64/libnss_ldap.so.2
#11 0x0000002a977fd149 in _nss_ldap_readconfig () from /lib64/libnss_ldap.so.2
#12 0x0000002a977f7b21 in do_open () from /lib64/libnss_ldap.so.2
#13 0x0000002a977f84c0 in _nss_ldap_search_s () from /lib64/libnss_ldap.so.2
#14 0x0000002a977f8a48 in _nss_ldap_getbyname () from /lib64/libnss_ldap.so.2
#15 0x0000002a977f9300 in _nss_ldap_getpwuid_r () from /lib64/libnss_ldap.so.2
#16 0x0000002a96a5290d in getpwuid_r@@GLIBC_2.2.5 () from /lib64/tls/libc.so.6
#17 0x0000002a96a5228d in getpwuid () from /lib64/tls/libc.so.6
#18 0x0000002a964c3f35 in G_whoami () at whoami.c:64
#19 0x0000002a964c22f3 in G_sock_get_fname (name=0x507470 "x0")
    at unix_socks.c:68
#20 0x0000002a9577c4b1 in R_open_driver () at io_sock.c:73
#21 0x0000000000402c98 in main (argc=1, argv=0x7fbfffea78) at main.c:47


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