[Dnsmasq-discuss] dnsmasq does crash

Kevin Darbyshire-Bryant kevin at darbyshire-bryant.me.uk
Tue Aug 30 11:19:05 BST 2016



On 29/08/16 20:30, e9hack wrote:
> Hi,
>
> I've trouble with this commit, independently that it looks simple:
>
> Suppress useless warning about DHCP packets of interfaces without addresses.
>
> Starting with this commit, dnsmasq does crash shortly after start:
>
> Mon Aug 29 21:18:40 2016 kern.info kernel: [17587.489903]
> Mon Aug 29 21:18:40 2016 kern.info kernel: [17587.489903] do_page_fault(): sending SIGSEGV
> to dnsmasq for invalid write access to 00000038
> Mon Aug 29 21:18:40 2016 kern.info kernel: [17587.498607] epc = 00411eff in
> dnsmasq[400000+2d000]
> Mon Aug 29 21:18:40 2016 kern.info kernel: [17587.503589] ra  = 00411ec7 in
> dnsmasq[400000+2d000]
> Mon Aug 29 21:18:40 2016 kern.info kernel: [17587.508587]
>
> Regards,
> Hartmut
Get an identical error, didn't get as far as narrowing it to a specific 
commit.  Openwrt/LEDE has 'long' carried a (more complicated) patch to 
suppress the message, attached for reference.

Kevin

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