[Rspamd-Users] rspamd: *** stack smashing detected ***: rspamd: controller process (localhost:11334) terminated

[Vsevolod Stakhov]

On 25/04/2019 13:11, Vsevolod Stakhov wrote:
> On 25/04/2019 12:54, Vsevolod Stakhov wrote:
>> On 24/04/2019 11:49, Thomas Plant via Users wrote:
>>> Hello,
>>>
>>> found this message in /var/log/messages:
>>>
>>> Apr 24 09:24:05 rspamd rspamd: *** stack smashing detected ***: rspamd:
>>> controller process (localhost:11334) terminated
>>>
>>> Anyone seen such a message in the logs? In rspamd.log I see at the same
>>> time the following:
>>>
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_crash_sig_handler: caught
>>> fatal signal 11(Segmentation fault), pid: 13379, trace:
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 0:
>>> 00007F3709D500B8: _Unwind_GetTextRelBase()+0x1bf8
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 1:
>>> 00007F3709D50FB9: _Unwind_Backtrace()+0x69
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 2:
>>> 00007F3709A87F16: backtrace()+0x56
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 3:
>>> 00007F37099ECD44: __libc_message()+0x3f4
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 4:
>>> 00007F3709A8B9E7: __fortify_fail()+0x37
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 5:
>>> 00007F3709A8B9A2: __stack_chk_fail()+0x12
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 6:
>>> 00007F370E996F96: rspamd_vprintf_common()+0x1066
>>> 2019-04-24 09:24:05 #13379(controller) rspamd_print_crash: 7:
>>> 3030303030303030: <unknown>
>>> 2019-04-24 09:24:05 #12306(main) <6281a5>; main; rspamd_cld_handler:
>>> catch SIGCHLD signal, finding terminated workers
>>> 2019-04-24 09:24:05 #12306(main) <6281a5>; main; rspamd_cld_handler:
>>> controller process 13379 terminated abnormally by signal: Segmentation
>>> fault but NOT created core file (throttled=no); core file limits: 0
>>> current, -1 max
>>> 2019-04-24 09:24:07 #26574(controller) <6281a5>; main;
>>> rspamd_worker_set_limits: use system max file descriptors limit: 1024KiB
>>> cur and 1024KiB max
>>> 2019-04-24 09:24:07 #26574(controller) <6281a5>; main;
>>> rspamd_worker_set_limits: use system max core size limit: 0B cur and -1B max
>>>
>>
>>
>> I will ignore this issue unless you all stop ignoring the FAQ, in
>> particular the following entry:
>>
>> https://rspamd.com/doc/faq.html#how-to-figure-out-why-rspamd-process-crashed
>>
>>
> 
> It seems it was caused by printing of some small negative floating point
> values. I have found something similar in one of my artificial tests.
> 

Fixed in 92a1f7a41.