Issue

It appears there is an issue with an uninitialized variable "error".
A patch for the same problem has been applied to hal probe-input.c (hal-0.5.15-no-segfault-probe-input.patch) but not to probe-smbios.c.

The problem appear only on x86_64. It is fixed upstream.

Can you provide a fix ?

(gdb) run
Starting program: /usr/libexec/hald-probe-smbios 
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
__libc_free (mem=0x71dd557f) at malloc.c:3709
3709    malloc.c: No such file or directory.
    in malloc.c
(gdb) up
#1  0x00000032d7811818 in dbus_error_free (error=0x7fffffffdd90)
    at dbus-errors.c:217
217       dbus_free (real->name);
(gdb) up
#2  0x00000000004012c8 in main (argc=<value optimized out>, 
    argv=<value optimized out>) at probe-smbios.c:294
294     LIBHAL_FREE_DBUS_ERROR (&error);
(gdb)