Hi Philipp. On Tue, Nov 05, 2024 at 03:54:36PM GMT, Philipp Takacs wrote: > Hi Alex > > [2024-11-01 13:48] Alejandro Colomar <alx@xxxxxxxxxx> > > Hi Philipp, > > > > On Sun, Oct 06, 2024 at 03:17:48AM +0200, Philipp Takacs wrote: > > > Hi > > > > > > In bind(2) there are general errors and errors specific for AF_UNIX. The > > > EADDRNOTAVAIL error is sorted at the AF_UNIX specific errors. But in > > > posix[0] EADDRNOTAVAIL is a normal error. > > > > Do you know any system under which it happens with a socket other than > > AF_UNIX? It would be interesting to know if that's just a POSIX thing, > > or if actual systems do have that. > > I found this while debugging a bug[0] on in the OpenSMTPD package of > Debian. The problem was that the interface was not fully up but already > had IP(v6) addresses configured. So OpenSMTPD get the addresses from > the Interface and the bind failed with EADDRNOTAVAIL. > > There are also some other places where the linux kernel returns > EADDRNOTAVAIL on non AF_UNIX sockets, for example in sctp[1]. Hmmm, then it looks like a documentation bug. Would you mind sending a patch? Have a lovely night! Alex > > Philipp > > [0] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059700 > [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/net/sctp/socket.c#n399 > > > > > Have a lovely day! > > Alex > > > > > > > > Philipp > > > > > > [0] https://pubs.opengroup.org/onlinepubs/9699919799/functions/bind.html > > > > -- > > <https://www.alejandro-colomar.es/> > > part 2 application/pgp-signatur 833 -- <https://www.alejandro-colomar.es/>
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