[OpenSIPS-Users] segmentation fault when calling pkg_malloc

[Chevio]

Thank you all for looking at the problem.

Chevio


Chevio wrote:
> 
> Hi, All,
> 
> I am getting a segmentation fault when calling pkg_malloc from a custom
> module in opensips 1.4.4 notls,
> 
> here is the offending code :
> 
> int tncgw_ip_lookup(struct sip_msg* msg, char* _para1, char* _para2)
> {
> 
> 	str  _user_ip;
> 	db_res_t* db_res = NULL;
> 	char* strsql=NULL;
> 	char* to_prefix=NULL;
> 	char* new_uri=NULL;
> 	char* new_to=NULL;
> 	str strsqlstr;
> 	str techprefix;
> 	str to;
> 	int retval=-1;
> 	int dbg=1;
> 
> 	if(dbg)LM_INFO("TNCGW ip_address_lookup 2009.03.11.a beta\n");
> 
> 	techprefix.s=NULL;
> 	_user_ip.s=NULL;
> 
> 	if(dbg) LM_INFO("---Memory allocation\n");
> 
> 	strsql=pkg_malloc(100);
> 	new_to=pkg_malloc(MAX_URI_SIZE); ## this is the line 97
> 	new_uri=pkg_malloc(MAX_URI_SIZE);
> 	to_prefix=pkg_malloc(8);
> 
> 
> and here is the  back trace
> 
> Program terminated with signal 11, Segmentation fault.
> [New process 32735]
> #0  fm_malloc (qm=0x8183b00, size=<value optimized out>) at
> mem/f_malloc.c:125
> 125                             if (frag->size <= (*f)->size) break;
> (gdb) bt
> #0  fm_malloc (qm=0x8183b00, size=<value optimized out>) at
> mem/f_malloc.c:125
> #1  0xb7ab0873 in tncgw_ip_lookup (msg=0x8196ed8, _para1=0x0, _para2=0x0)
> at tncgw.c:97
> #2  0x08055275 in do_action (a=0x818d278, msg=0x8196ed8) at action.c:845
> #3  0x08054172 in run_action_list (a=0x818d278, msg=0x8196ed8) at
> action.c:138
> #4  0x080a0516 in eval_expr (e=0x818d2e0, msg=0x8196ed8, val=0xbf8d4ef8)
> at route.c:1133
> #5  0x08053e2f in do_assign (msg=0x8196ed8, a=0x818d308) at action.c:207
> #6  0x080549f5 in do_action (a=0x818d308, msg=0x8196ed8) at action.c:951
> #7  0x08054172 in run_action_list (a=0x818d308, msg=0x8196ed8) at
> action.c:138
> #8  0x08056845 in do_action (a=0x818d8c0, msg=0x8196ed8) at action.c:717
> #9  0x08054172 in run_action_list (a=0x8189fd0, msg=0x8196ed8) at
> action.c:138
> #10 0x080577f4 in run_top_route (a=0x8189fd0, msg=0x8196ed8) at
> action.c:118
> 
> does it mean I ran out of memory? if that is the case pkg_malloc should
> return a 0 instead of crashing.
> 
> I will appreciate any help.
> 
> Chevio
> 

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