[PATCH] bug in __check_pf() (getaddrinfo.c)
Carmelo Amoroso
carmelo73 at gmail.com
Mon Dec 8 19:59:21 UTC 2008
Bernhard Reutner-Fischer wrote:
> On Mon, Dec 08, 2008 at 10:35:50AM +0100, Carmelo Amoroso wrote:
>> On 07/12/2008, Ricard Wanderlof <ricard.wanderlof at axis.com> wrote:
>>> On Sat, 6 Dec 2008, Hiroshi Shinji wrote:
>>>
>>>> Hi Khem,
>>>> Thanks for your comment.
>>>>
>>>> 2008/12/6 Khem Raj <raj.khem at gmail.com>:
>>>>> Getting NULL for ifa_addr means that the interface has no address. Do
>>>>> you know in what cases does this happen. Patch looks ok though.
>>>> True. My environment has a interface that has no address.
>>>>
>>>> And, previous source code had another problem. 'for' statement had no
>>>> '{' and '}'. Therefore, If you defined both __UCLIBC_HAS_IPV4__ and
>>>> __UCLIBC_HAS_IPV6__, the second 'if' statement would be outside of the
>>>> for-loop and occure segfault.
>>> This stuff seems to continuously come back and haunt me ... :-( (I was the
>>> original poster of check_pf-stuff, although it has been modified since
>>> then so can't take credit for all the problems. :-) Patch looks good to me
>>> anyway.
>>>
>>> /Ricard
>>> --
>>> Ricard Wolf Wanderl�f ricardw(at)axis.com
>>> Axis Communications AB, Lund, Sweden www.axis.com
>>> Phone +46 46 272 2016 Fax +46 46 13 61 30
>>>
>> Khem,
>> may you give a try at this patch on nptl branch ? I'm wondering if
>> this is the cause
>> of the segfault we are seeing in sysv-init. I've merged getaddrinfo.c
>> on nptl branch,
>> and IIRC my config has both ipv4 and ipv6 support enabled.
>> Unfortunately I don't have access to my box today... anyway I'll
>> restart with the investigation
>> tomorrow.
>
> I've applied the other patch to fix the loop to look for both IPv4 and
> IPv6 addresses (trunk r24317).
>
applied on nptl branch as well (rev 24333).
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