Date: Tue, 05 Apr 2022 02:25:38 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 210726] tcp connect() can return invalid EADDRINUSE (Eg: multiple jails with the same IP address) Message-ID: <bug-210726-7501-KmpzcNDwVA@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-210726-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-210726-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D210726 --- Comment #27 from firk@cantconnect.ru --- Created attachment 232951 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D232951&action= =3Dedit test program Test program First, reduce portrange to hit the problem faster: sysctl net.inet.ip.portrange.first=3D10000 sysctl net.inet.ip.portrange.last=3D10004 Compile: cc -o test test.c Open two screens, first: ./test 10 1.2.3.4 0.0.0.0 Second: jail / x your.real.ip.address csh cd /your/dir ./test 10 1.2.3.4 0.0.0.0 with unpatched system, second program will show (EADDRINUSE) > connect() error 48 (Address already in use) with patched, it will show the proper error (EADDRNOTAVAIL) > bind() error 49 (Can't assign requested address) --=20 You are receiving this mail because: You are on the CC list for the bug.=
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