Segfault at src/lib/misc.c:1193 in 3.0.4 (3.0.11 looks very similar)

[Alan DeKok]

On Oct 3, 2016, at 2:45 PM, Mike Ely <me at mikeely.org> wrote:
> 
> On 10/03/2016 11:36 AM, Alan DeKok wrote:
>> 
>>  When it crashes, can you also do:
>> 
>> (gdb) p *realm
>> (gdb) p *realm->acct_pool->servers[i]
>> 
>> which should also let me know *which* realm and server had the problem.
>> 
> 
> From the coredump of the last segfault (I've pulled the afflicted box out of production and am running the older 2.x hardware):
> 
> (gdb) p *realm
> $1 = {name = 0x7f48e63e5f30 "daffy.net", strip_realm = false, auth_pool = 0x7f48e6471770, acct_pool = 0x7f48e6471c60,
>  coa_pool = 0x0}
> (gdb) p *realm->acct_pool->servers[i]
> Cannot access memory at address 0x0

  Huh?

  Just to confirm, can you do:

(gdb) p *realm->acct_pool
(gdb) p *realm->acct_pool->servers

  That's weird.  Either the accounting pool has no servers, or it's somehow managed to walk off of the end of the list of accounting servers.

  Alan DeKok.