[Xymon] Segfault in confreport-critical.sh / confreport.cgi in 4.3.24 (now with backtrace)

J.C. Cleaver cleaver at terabithia.org
Thu Dec 10 18:22:37 CET 2015


On Thu, December 10, 2015 8:53 am, Axel Beckert wrote:
> Hi JC,
>
> On Thu, Dec 10, 2015 at 08:23:23AM -0800, J.C. Cleaver wrote:
>> Can you see if this patch helps?
>
> The patched helped, thanks! Can't reproduce the issue anymore.
>


Perfect, thanks!

-jc





(From earlier)

>> --- web/confreport.c	(revision 7835)
>> +++ web/confreport.c	(working copy)
>> @@ -288,9 +288,10 @@
>>  		}
>>  		else if (is_net_test(itm)) {
>>  			colname = strdup(itm);
>> +			visdata = strdup("");
>>  		}
>>
>> -
>> +		if (!visdata) visdata = strdup("");
>
> Those two additionans look a little bit redundant, but that shouldn't
> cause any harm. (I'd say the first addition shouldn't be necessary
> if the second one is present.)
>

That's correct. I added that primarily because of the structures above it
(which all set visdata), and because I wasn't quite sure of ultimate
source of some of this, and what was liable to fall through or not.





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