On 19 July 2016 at 20:08, Ben Pfaff <b...@ovn.org> wrote:
> On Tue, Jul 19, 2016 at 05:05:51PM -0300, Thadeu Lima de Souza Cascardo wrote:
>> FreeBSD returns a socklen of sockaddr_storage when doing an accept on an unix
>> STREAM socket. The current code will assume it means a sun_path larger than 
>> 0.
>>
>> That breaks some tests like the one below which don't expect to find 
>> "unix::" on
>> the logs.
>>
>> As a Linux abstract address would not have a more useful name either, it's
>> better to check that sun_path starts with a non-zero byte and return 0 
>> length in
>> case it doesn't.
>>
>> 402: ovs-ofctl replace-flows with --bundle      FAILED (ovs-ofctl.at:2928)
>> 2016-07-08T12:44:30.068Z|00020|vconn|DBG|unix:: sent (Success): OFPT_HELLO 
>> (OF1.6) (xid=0x1):
>>
>> Signed-off-by: Thadeu Lima de Souza Cascardo <casca...@redhat.com>
>
> Applied, thanks!

For what it's worth, this introduces a warning on my Linux x86_64
machine with valgrind:

==18725== Conditional jump or move depends on uninitialised value(s)
==18725==    at 0x45BF65: get_unix_name_len (socket-util-unix.c:392)
==18725==    by 0x45C842: punix_accept (stream-unix.c:113)
==18725==    by 0x46897B: pfd_accept (stream-fd.c:263)
==18725==    by 0x44CF6F: pstream_accept (stream.c:557)
==18725==    by 0x44FE6C: unixctl_server_run (unixctl.c:385)
==18725==    by 0x4081AC: main_loop (ovsdb-server.c:182)
==18725==    by 0x406432: main (ovsdb-server.c:429)
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