[Dnsmasq-discuss] dnsmasq does crash

[Simon Kelley]

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Sorry about this. Putative fix pushed to git.


Cheers,

Simon.


On 30/08/16 19:47, e9hack wrote:
> Hi,
> 
> I did check it again. I did try to checkout
> e94ad0fa01ccc8d0c39e069ab29b008f9c811600 'Suppress useless warning
> about DHCP packets of interfaces without addresses'. But for some
> reason, I got all later changes too. Now I did patch the files
> manually. The crash is introduced by
> 2675f2061525bc954be14988d64384b74aa7bf8b 'Handle binding upstream
> servers to an interface (--server=1.2.3.4 at eth0) when the named
> interface is destroyed and recreated in the kernel'.
> 
> Regards, Hartmut
> 
> Am 30.08.2016 um 12:19 schrieb Kevin Darbyshire-Bryant:
>> 
>> 
>> 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
>> 
>> 
>> 
>> _______________________________________________ Dnsmasq-discuss
>> mailing list Dnsmasq-discuss at lists.thekelleys.org.uk 
>> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
>> 
> 
> 
> _______________________________________________ Dnsmasq-discuss
> mailing list Dnsmasq-discuss at lists.thekelleys.org.uk 
> http://lists.thekelleys.org.uk/mailman/listinfo/dnsmasq-discuss
> 
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