Date: Fri, 20 May 2016 15:40:05 +0400 From: aler <aler@playground.ru> To: freebsd-net@freebsd.org Subject: connect() EADDRINUSE Message-ID: <1a502a88-29df-fc93-d3f1-b8d2f0da15cc@playground.ru>
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Port autoselection on connect() without bind() (or with bind() with zero sin_port) sometimes works wronly and gives already busy local port number that will lead to EADDRINUSE on connection attempt. This all happens when jails used. How to fix: src/sys/netinet/in_pcb.c, in_pcb_lport() function calls to in_pcblookup_local() should have last argument NULL, not cred that's because here we are not about getting some access but about avoiding port number conflicts, so all inpcb's should be taken in account This all applies to FreeBSD 10.x
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