Recent full disclosure post - Local DOS

[Manolis Kiagias]

On 01/28/2011 07:38 PM, Tom Judge wrote:
>
>> This is an IPPROTO_TCP, TCP_NOPUSH with an optval of 0.
>>
>> Can you try making a far simpler program that just does:
>>
>> 	int optval, s;
>>
>> 	s = socket(PF_INET, SOCK_STREAM, 0);
>> 	if (s<  0)
>> 		err(1, "socket");
>> 	optval = 0;
>> 	if (setsockopt(s, IPPROTO_TCP, TCP_NOPUSH,&optval, sizeof(optval))<  0)
>> 		err(1, "setsockopt");
>>
>> and see if that breaks?
>>
>>      
> Hi John,
>
> I can't repeat this with the code you sent.  I tried this in a while (1)
> loop and had 4 instances running without issue.
>
> Tom
>
>    

FWIW, I can't crash 7.4-RC2 (i386) and 8.2-RC2 (amd64) with either the 
original or John's code. Tried both as user and root.