[Dnsmasq-discuss] segfault when setting pxe-server to empty value in dnsmasq 2.66

Simon Kelley simon at thekelleys.org.uk
Sun Jun 30 20:10:06 BST 2013


On 27/06/13 03:56, Patrick McLean wrote:
> Hi, running dnsmasq 2.66 we had a config that set pxe-server to a blank
> value, and that was causing dnsmasq to segfault every time it recieved
> a dhcp request.
>
> I have attached a backtrace (generated when compiled
> with gcc 4.8's -fsanitize=address), I manually printed some relevant
> variables as well.


Many thanks for the comprehensive bug report. Would it be possible to 
send me the configuration file you were using? (off-list, if you 
prefer). Just to make sure I've understood exactly the circumstances 
that cause this, so I can fix it properly.


Cheers,

Simon.





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