FreeRADIUS 1.0.4: SEGMENTATION FAULT
Richard Cotrina
rcc at speedy.net.pe
Thu Aug 25 18:04:30 CEST 2005
> > (gdb) display mysql_sock
> > 1: mysql_sock = (rlm_sql_mysql_sock *) 0x5f6c7173
>
> That's bad. That's very bad. It's the ASCII string "sql_",
> interpreted as a pointer on an x86 machine. No wonder it crashes.
>
> The short answer is that there appears to be some memory corruption.
> Can you print out the contents of "sqlsocket", too? Both the
> structure contents, and the *hex* contents of that area of memory.
These values are what I've got :
(gdb) display sqlsocket
1: sqlsocket = (SQLSOCK *) 0x8092720
(gdb) x 0x8092720
0x8092720: 0x00000001
(gdb) info stack 0x8092720
#0 0x483b7a48 in sql_init_socket (sqlsocket=0x8092720, config=0x8096300)
at sql_mysql.c:71
#1 0x483660b5 in connect_single_socket (sqlsocket=0x8092720,
inst=0x8092680)
at sql.c:70
#2 0x4836621f in sql_init_socketpool (inst=0x8092680) at sql.c:130
#3 0x48364905 in rlm_sql_instantiate (conf=0x8093840, instance=0x815e508)
at rlm_sql.c:707
#4 0x80544ad in find_module_instance (instname=0x80946e0 "sql") at
modules.c:358
#5 0x80556fa in do_compile_modsingle (component=1, ci=0x80977e0,
filename=0x805e6c7 "radiusd.conf", grouptype=0, modname=0xbfbfeacc)
at modcall.c:814
#6 0x805576a in compile_modsingle (component=1, ci=0x80977e0,
filename=0x805e6c7 "radiusd.conf", modname=0xbfbfeacc) at modcall.c:829
#7 0x80548be in load_component_section (cs=0x8097720, comp=1,
filename=0x805e6c7 "radiusd.conf") at modules.c:568
#8 0x8054d3e in setup_modules () at modules.c:858
#9 0x804c87c in main (argc=2, argv=0xbfbffc20) at radiusd.c:960
(gdb) f
#0 0x483b7a48 in sql_init_socket (sqlsocket=0x8092720, config=0x8096300)
at sql_mysql.c:71
71 memset(mysql_sock, 0, sizeof(*mysql_sock));
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