[PATCH, glibc] _hurd_socket_server: check for negative domains

[Pino Toscano]

Hi,

attached there is a patch for glibc to check for negative indexes in 
_hurd_socket_server(). This should avoid that calls to socket() or 
socketpair() with domain < 0 read/set OOB memory (and potentially 
crashing, like it happens when doing such calls using perl's socketpair 
for example), causing also a warning "task XXX deallocating an invalid 
port YYY, most probably a bug" in that situation.

-- 
Pino Toscano

glibc-_hurd_socket_server-indexcheck.diff
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