[Freeswitch-dev] mod_file_string - crashed FS

[Michael Collins]

Oleg,

This is great information! Please go ahead and open a Jira on this so that
we can keep track of the issue. More info on Jira can be found here:
http://wiki.freeswitch.org/wiki/Reporting_Bugs

Thanks,
Michael

On Wed, Jul 25, 2012 at 8:47 AM, Oleg Khovayko <khovayko at gmail.com> wrote:

> Hi,
>
> After recent upgrade, FreeSWITCH was unable to start.
> During startup, it generates SIGSEGV, and terminated.
>
>
> I investigated, what happening, and found - problem was in the obsolete
> mod_file_string (see debug log below).
> I disabled load this module, and FS works OK.
>
> I think, need remove this module from the repository, or make another
> steps, for preserve this crash.
>
>
> Thanks,
>
> Oleg
>
>
>
>   /usr/local/freeswitch/bin/freeswitch  -u sip -g sip  -hp -nonat
>
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x28901040 (LWP 100138)]
> 0x2818cb53 in switch_loadable_module_process (key=0x28bfdb80
> "mod_file_string", new_module=0x295c51b8) at
> src/switch_loadable_module.c:321
> 321                                     for (i = 0; ptr->extens[i]; i++) {
> (gdb) p i
> No symbol "i" in current context.
> (gdb) l
> 316                     for (ptr =
> new_module->module_interface->file_interface; ptr; ptr = ptr->next) {
> 317                             if (!ptr->interface_name) {
> 318 switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Failed to
> load file interface from %s due to no interface name.\n", key);
> 319                             } else {
> 320                                     int i;
> 321                                     for (i = 0; ptr->extens[i]; i++) {
> 322 switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_NOTICE, "Adding
> File Format '%s'\n", ptr->extens[i]);
> 323                                             if
> (switch_event_create(&event, SWITCH_EVENT_MODULE_LOAD) ==
> SWITCH_STATUS_SUCCESS) {
> 324 switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "type",
> "file");
> 325 switch_event_add_header_string(event, SWITCH_STACK_BOTTOM, "name",
> ptr->extens[i]);
> (gdb) p ptr
> $1 = (const switch_file_interface_t *) 0x295c5140
> (gdb) p *ptr
> $2 = {interface_name = 0x294d62b3 "mod_file_string", file_open =
> 0x294d6040 <file_string_file_open>, file_close = 0x294d5cf0
> <file_string_file_close>,
>    file_truncate = 0, file_read = 0x294d5f80 <file_string_file_read>,
> file_write = 0, file_read_video = 0x294d5c20 <file_string_file_seek>,
> file_write_video = 0,
>    file_seek = 0, file_set_string = 0x294d7520
> <mod_file_string_module_interface+456>, file_get_string = 0, extens =
> 0x0, rwlock = 0x295c5188, refs = 0,
>    reflock = 0x295c51a0, parent = 0x295c50c0, next = 0x0}
> (gdb) p i
> No symbol "i" in current context.
> (gdb) where
> #0  0x2818cb53 in switch_loadable_module_process (key=0x28bfdb80
> "mod_file_string", new_module=0x295c51b8) at
> src/switch_loadable_module.c:321
> #1  0x2818e32e in switch_loadable_module_load_module_ex (dir=0x2890d400
> "/usr/local/freeswitch/mod", fname=Variable "fname" is not available.
> ) at src/switch_loadable_module.c:1374
> #2  0x2818fe3f in switch_loadable_module_init (autoload=SWITCH_TRUE) at
> src/switch_loadable_module.c:1675
> #3  0x2818586a in switch_core_init_and_modload (flags=68097,
> console=SWITCH_TRUE, err=0xbfbfebec) at src/switch_core.c:1941
> #4  0x0804a560 in main (argc=7, argv=0xbfbfec4c) at src/switch.c:1027
> (gdb)
>
>
>
>
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> 
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-- 
Michael S Collins
Twitter: @mercutioviz
http://www.FreeSWITCH.org
http://www.ClueCon.com
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