[Bug libc/12095] getifaddrs() returns no IP address for ppp0

["thomas.jarosch at intra2net dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12095

Thomas Jarosch <thomas.jarosch at intra2net dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID

--- Comment #1 from Thomas Jarosch <thomas.jarosch at intra2net dot com> 2010-10-06 12:17:27 UTC ---
Ok, with debug code added to sysdeps/unix/sysv/linux/ifaddrs.c,
I was able to see what's going on. The kernel first sends the ppp0 link
information (RTM_NEWLINK) without providing any address information.

Later on the addresses will be transmitted via a separate RTM_NEWADDR message.
As the application crashed while processing the NULL pointer from the first
ppp0 list node, I didn't luck further (could have spared me one day of
debugging ;)).

So this is not a bug and I'm closing it. 

Here comes the good part: It let to the discovery of bug #12093 and I've also
send a patch to the getifaddrs(3) man page maintainer with a patch to fix the
possible NULL pointer access in the example code.

Thanks for your time.

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