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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I’ve been running <span class=SpellE>netpipe</span>
over <span class=SpellE>Infiniband’s</span> SDP and uncovered a race when
using the “-r” option.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The problem is when both sides close their <span
class=GramE>sockets,</span> the listening socket is closed last, which allows a
faster<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>client</span></font></span><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> to try to
connect to it before it closes. When this happens, next time the client tries
to use the socket it gets<o:p></o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>a</span></font></span><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> connection reset
error.<o:p></o:p></span></font></p>
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