kern/159663: sockets don't work though nullfs mounts
Robert Millan
rmh at debian.org
Wed Aug 10 22:00:24 UTC 2011
>Number: 159663
>Category: kern
>Synopsis: sockets don't work though nullfs mounts
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Aug 10 22:00:23 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator: Robert Millan
>Release: FreeBSD 8.1
>Organization:
>Environment:
GNU/kFreeBSD thorin 8.1-1-amd64 #0 Wed Aug 10 13:58:08 CEST 2011 x86_64 amd64 AMD Athlon(tm) 64 X2 Dual Core Processor 3800+ GNU/kFreeBSD
>Description:
When mounting a filesystem that contains a socket with nullfs, a new instance of the socket is generated. Processes listening on one instance of this socket do not respond to connect() requests on the other instance.
>How-To-Repeat:
$ mkdir a b
$ ./server a/sock &
[1] 2093
$ ./client a/sock
MESSAGE FROM CLIENT: hello from a client
MESSAGE FROM SERVER: hello from the server
$ sudo mount -t nullfs a b
$ ./client b/sock
connect() failed
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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