Re: IPv6 problem

[Mark . Burgess]

Thank you for your patch to my crappy code.

M


> forwarded 334304 address@hidden
> thanks
>
> Hi!
>
> We got a bugreport [1] from one of our Debian Developers with IPv6
> problems:
>
> On Sun, 27 Nov 2005 00:29:15 +0100, Steinar H. Gunderson wrote:
>
>> Look at src/proto.c, IdentifyForVerification():
>>
>>    struct sockaddr_in myaddr;
>>    (...)
>>    case AF_INET6: len = sizeof(struct sockaddr_in6);
>>    (...)
>>    if (getsockname(sd,(struct sockaddr *)&myaddr,&len) == -1)
>>
>> Now, sizeof(struct sockaddr_in) = 16, sizeof(struct sockaddr_in6) =
>> 28.  Increasing the size of myaddr makes the problem go
>> away. (myaddr is on the stack, which explains why regular Valgrind
>> can't find it.)
>
> I've made Steinar H. Gunderson's patch [2] for this problem available,
> so please consider it for inclusion.
>
>
> - Werner
>
> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=334304
> [2] http://skolelinux.no/~werner/100_fix_ipv6_buffer_overrun
>
>
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