From owner-freebsd-net@freebsd.org Mon Apr 12 17:58:26 2021 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 3AE8A5D9734 for ; Mon, 12 Apr 2021 17:58:26 +0000 (UTC) (envelope-from freebsd@grem.de) Received: from mail.evolve.de (mail.evolve.de [213.239.217.29]) (using TLSv1.3 with cipher TLS_CHACHA20_POLY1305_SHA256 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA512 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mail.evolve.de", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4FJxL90T34z4kJR for ; Mon, 12 Apr 2021 17:58:23 +0000 (UTC) (envelope-from freebsd@grem.de) Received: by mail.evolve.de (OpenSMTPD) with ESMTP id 7c84a4a4; Mon, 12 Apr 2021 17:58:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=grem.de; h=date:from:to:cc 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xtPEE5nvFD/XcJIqtSBzPAYTh+SFajRmNQuI7uU54CIq6DPT/eR7Tz0bYPzge4Km aquK07OnFheaWR5sRvoQ== Received: by mail.evolve.de (OpenSMTPD) with ESMTPSA id c61e419b (TLSv1.3:AEAD-CHACHA20-POLY1305-SHA256:256:NO); Mon, 12 Apr 2021 17:58:19 +0000 (UTC) Date: Mon, 12 Apr 2021 19:57:40 +0200 From: Michael Gmelin To: =?UTF-8?B?w5Z6a2Fu?= KIRIK Cc: Michael Gmelin , FreeBSD Net Subject: Re: jail - vnet bug - ping: UDP connect: No route to host Message-ID: <20210412195740.33efe288@bsd64.grem.de> In-Reply-To: References: <20210412125222.16610891@bsd64.grem.de> <20210412143852.2c856a0b@bsd64.grem.de> X-Face: $wrgCtfdVw_H9WAY?S&9+/F"!41z'L$uo*WzT8miX?kZ~W~Lr5W7v?j0Sde\mwB&/ypo^}> +a'4xMc^^KroE~+v^&^#[B">soBo1y6(TW6#UZiC]o>C6`ej+i Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAJFBMVEWJBwe5BQDl LASZU0/LTEWEfHbyj0Txi32+sKrp1Mv944X8/fm1rS+cAAAACXBIWXMAAAsTAAAL EwEAmpwYAAAAB3RJTUUH3wESCxwC7OBhbgAAACFpVFh0Q29tbWVudAAAAAAAQ3Jl YXRlZCB3aXRoIFRoZSBHSU1QbbCXAAAAAghJREFUOMu11DFvEzEUAGCfEhBVFzuq 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Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Apr 2021 17:58:26 -0000 On Mon, 12 Apr 2021 17:45:36 +0300 =C3=96zkan KIRIK wrote: > root@f13:~ # jls -s -j client > devfs_ruleset=3D0 enforce_statfs=3D2 host=3Dnew ip4=3Dinherit ip6=3Dinher= it > jid=3D2 name=3Dclient osreldate=3D1300139 osrelease=3D13.0-RC5 path=3D/ p= ersist > securelevel=3D-1 sysvmsg=3Ddisable sysvsem=3Ddisable sysvshm=3Ddisable > vnet=3Dnew allow.nochflags allow.nomlock allow.nomount > allow.mount.nodevfs allow.mount.noprocfs allow.mount.notmpfs > allow.noquotas allow.noraw_sockets allow.noread_msgbuf > allow.reserved_ports allow.set_hostname allow.nosocket_af allow.suser > allow.nosysvipc allow.unprivileged_proc_debug children.max=3D0 > host.domainname=3D"" host.hostid=3D0 host.hostname=3D"" > host.hostuuid=3D00000000-0000-0000-0000-000000000000 I can reproduce the issue now, I'll try to dig deeper into it. -m >=20 > On Mon, Apr 12, 2021 at 3:39 PM Michael Gmelin > wrote: >=20 > > > > > > On Mon, 12 Apr 2021 15:28:16 +0300 > > =C3=96zkan KIRIK wrote: > > =20 > > > Hello > > > > > > the output is below: > > > > > > root@f13:~ # cat /etc/resolv.conf > > > # Generated by resolvconf > > > nameserver 8.8.8.8 > > > > > > The jail uses same resolv.conf with host, because path is / =20 > > > > So you run a jail on top of / ? > > > > Can you share the output of `jls -s -j ` with us? > > > > -m > > > > =20 > > > > > > root@f13:~ # jls -N > > > JID IP Address Hostname > > > Path client > > > / > > > > > > root@f13:~ # jexec client ping -6 -c 2 www.google.com > > > ping: UDP connect: No route to host > > > > > > root@f13:~ # jexec client truss ping -6 -c 2 www.google.com > > > mmap(0x0,135168,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) > > > =3D 34362036224 (0x800231000) > > > mprotect(0x80022e000,4096,PROT_READ) =3D 0 (0x0) > > > issetugid() =3D 0 (0x0) > > > sigfastblock(0x1,0x8002304d0) =3D 0 (0x0) > > > open("/etc/libmap.conf",O_RDONLY|O_CLOEXEC,010575650) =3D 3 (0x3) > > > fstat(3,{ mode=3D-rw-r--r-- ,inode=3D4807776,size=3D47,blksize=3D3276= 8 }) > > > =3D 0 (0x0) read(3,"# $FreeBSD$\nincludedir /usr/loc"...,47) =3D 47 > > > (0x2f) close(3) =3D 0 (0x0) > > > =20 > > open("/usr/local/etc/libmap.d",O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXE= C,0165) > > =20 > > > ERR#2 'No such file or directory' > > > open("/var/run/ld-elf.so.hints",O_RDONLY|O_CLOEXEC,010014544) =3D 3 > > > (0x3) read(3,"Ehnt\^A\0\0\0\M^@\0\0\0G\0\0\0\0"...,128) =3D 128 > > > (0x80) fstat(3,{ mode=3D-r--r--r-- > > > ,inode=3D3446022,size=3D199,blksize=3D32768 }) =3D 0 (0x0) > > > pread(3,"/lib:/usr/lib:/usr/lib/compat:/u"...,71,0x80) =3D 71 > > > (0x47) close(3) =3D 0 (0x0) > > > open("/lib/libm.so.5",O_RDONLY|O_CLOEXEC|O_VERIFY,032266000) =3D 3 > > > (0x3) fstat(3,{ mode=3D-r--r--r-- > > > ,inode=3D4727581,size=3D195816,blksize=3D32768 }) =3D 0 (0x0) > > > mmap(0x0,4096,PROT_READ,MAP_PRIVATE|MAP_PREFAULT_READ,3,0x0) =3D > > > 34362171392 (0x800252000) > > > mmap(0x0,208896,PROT_NONE,MAP_GUARD,-1,0x0) =3D 34362175488 > > > (0x800253000)=20 > > mmap(0x800253000,73728,PROT_READ,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE|MAP_P= REFAULT_READ,3,0x0) > > =20 > > > =3D 34362175488 (0x800253000) > > > =20 > > mmap(0x800265000,122880,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_N= OCORE|MAP_PREFAULT_READ,3,0x11000) > > =20 > > > =3D 34362249216 (0x800265000) > > > =20 > > mmap(0x800283000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x2e000) > > =20 > > > =3D 34362372096 (0x800283000) > > > =20 > > mmap(0x800284000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x2e000) > > =20 > > > =3D 34362376192 (0x800284000) munmap(0x800252000,4096) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > open("/lib/libmd.so.6",O_RDONLY|O_CLOEXEC|O_VERIFY,014232266000) > > > =3D 3 (0x3) fstat(3,{ mode=3D-r--r--r-- > > > ,inode=3D4727558,size=3D109536,blksize=3D32768 }) =3D 0 (0x0) > > > mmap(0x0,4096,PROT_READ,MAP_PRIVATE|MAP_PREFAULT_READ,3,0x0) =3D > > > 34362171392 (0x800252000) > > > mmap(0x0,122880,PROT_NONE,MAP_GUARD,-1,0x0) =3D 34362384384 > > > (0x800286000) > > > =20 > > mmap(0x800286000,32768,PROT_READ,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE|MAP_P= REFAULT_READ,3,0x0) > > =20 > > > =3D 34362384384 (0x800286000) > > > =20 > > mmap(0x80028e000,77824,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NO= CORE|MAP_PREFAULT_READ,3,0x7000) > > =20 > > > =3D 34362417152 (0x80028e000) > > > =20 > > mmap(0x8002a1000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x19000) > > =20 > > > =3D 34362494976 (0x8002a1000) > > > =20 > > mmap(0x8002a3000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x1a000) > > =20 > > > =3D 34362503168 (0x8002a3000) munmap(0x800252000,4096) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > open("/lib/libcasper.so.1",O_RDONLY|O_CLOEXEC|O_VERIFY,00) =3D 3 > > > (0x3) fstat(3,{ mode=3D-r--r--r-- > > > ,inode=3D4727576,size=3D23280,blksize=3D32768 }) =3D 0 (0x0) > > > mmap(0x0,4096,PROT_READ,MAP_PRIVATE|MAP_PREFAULT_READ,3,0x0) =3D > > > 34362171392 (0x800252000) > > > mmap(0x0,36864,PROT_NONE,MAP_GUARD,-1,0x0) =3D 34362507264 > > > (0x8002a4000)=20 > > mmap(0x8002a4000,12288,PROT_READ,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE|MAP_P= REFAULT_READ,3,0x0) > > =20 > > > =3D 34362507264 (0x8002a4000) > > > =20 > > mmap(0x8002a7000,12288,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NO= CORE|MAP_PREFAULT_READ,3,0x2000) > > =20 > > > =3D 34362519552 (0x8002a7000) > > > =20 > > mmap(0x8002aa000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x4000) > > =20 > > > =3D 34362531840 (0x8002aa000) > > > =20 > > mmap(0x8002ab000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x4000) > > =20 > > > =3D 34362535936 (0x8002ab000) > > > munmap(0x800252000,4096) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > open("/lib/libcap_dns.so.2",O_RDONLY|O_CLOEXEC|O_VERIFY,00) ERR#2 > > > 'No such file or directory' > > > open("/usr/lib/libcap_dns.so.2",O_RDONLY|O_CLOEXEC|O_VERIFY,00) > > > ERR#2 'No such file or directory' > > > open("/usr/lib/compat/libcap_dns.so.2",O_RDONLY|O_CLOEXEC|O_VERIFY,00) > > > ERR#2 'No such file or directory' > > > open("/usr/local/lib/libcap_dns.so.2",O_RDONLY|O_CLOEXEC|O_VERIFY,00) > > > ERR#2 'No such file or directory' > > > =20 > > open("/usr/local/lib/compat/pkg/libcap_dns.so.2",O_RDONLY|O_CLOEXEC|O_V= ERIFY,00) > > =20 > > > ERR#2 'No such file or directory' > > > open("/lib/casper/libcap_dns.so.2",O_RDONLY|O_CLOEXEC|O_VERIFY,00) > > > =3D 3 (0x3) fstat(3,{ mode=3D-r--r--r-- > > > ,inode=3D4727640,size=3D17528,blksize=3D32768 }) =3D 0 (0x0) > > > mmap(0x0,4096,PROT_READ,MAP_PRIVATE|MAP_PREFAULT_READ,3,0x0) =3D > > > 34362171392 (0x800252000) > > > mmap(0x0,28672,PROT_NONE,MAP_GUARD,-1,0x0) =3D 34362544128 > > > (0x8002ad000)=20 > > mmap(0x8002ad000,8192,PROT_READ,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE|MAP_PR= EFAULT_READ,3,0x0) > > =20 > > > =3D 34362544128 (0x8002ad000) > > > =20 > > mmap(0x8002af000,12288,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NO= CORE|MAP_PREFAULT_READ,3,0x1000) > > =20 > > > =3D 34362552320 (0x8002af000) > > > =20 > > mmap(0x8002b2000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x3000) > > =20 > > > =3D 34362564608 (0x8002b2000) > > > =20 > > mmap(0x8002b3000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x3000) > > =20 > > > =3D 34362568704 (0x8002b3000) > > > munmap(0x800252000,4096) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > open("/lib/libipsec.so.4",O_RDONLY|O_CLOEXEC|O_VERIFY,00) =3D 3 > > > (0x3) fstat(3,{ mode=3D-r--r--r-- > > > ,inode=3D4727575,size=3D31384,blksize=3D32768 }) =3D 0 (0x0) > > > mmap(0x0,4096,PROT_READ,MAP_PRIVATE|MAP_PREFAULT_READ,3,0x0) =3D > > > 34362171392 (0x800252000) > > > mmap(0x0,45056,PROT_NONE,MAP_GUARD,-1,0x0) =3D 34362572800 > > > (0x8002b4000)=20 > > mmap(0x8002b4000,16384,PROT_READ,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE|MAP_P= REFAULT_READ,3,0x0) > > =20 > > > =3D 34362572800 (0x8002b4000) > > > =20 > > mmap(0x8002b8000,16384,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NO= CORE|MAP_PREFAULT_READ,3,0x3000) > > =20 > > > =3D 34362589184 (0x8002b8000) > > > =20 > > mmap(0x8002bc000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x6000) > > =20 > > > =3D 34362605568 (0x8002bc000) > > > =20 > > mmap(0x8002bd000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x6000) > > =20 > > > =3D 34362609664 (0x8002bd000) > > > munmap(0x800252000,4096) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > open("/lib/libc.so.7",O_RDONLY|O_CLOEXEC|O_VERIFY,00) =3D 3 (0x3) > > > fstat(3,{ mode=3D-r--r--r-- > > > ,inode=3D4727578,size=3D1981952,blksize=3D32768 }) =3D 0 (0x0) > > > mmap(0x0,4096,PROT_READ,MAP_PRIVATE|MAP_PREFAULT_READ,3,0x0) =3D > > > 34362171392 (0x800252000) > > > mmap(0x0,4263936,PROT_NONE,MAP_GUARD,-1,0x0) =3D 34362617856 > > > (0x8002bf000) > > > =20 > > mmap(0x8002bf000,540672,PROT_READ,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE|MAP_= PREFAULT_READ,3,0x0) > > =20 > > > =3D 34362617856 (0x8002bf000) > > > =20 > > mmap(0x800343000,1384448,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_= NOCORE|MAP_PREFAULT_READ,3,0x83000) > > =20 > > > =3D 34363158528 (0x800343000) > > > =20 > > mmap(0x800495000,40960,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_P= REFAULT_READ,3,0x1d4000) > > =20 > > > =3D 34364542976 (0x800495000) > > > =20 > > mmap(0x80049f000,28672,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_P= REFAULT_READ,3,0x1dd000) > > =20 > > > =3D 34364583936 (0x80049f000) > > > =20 > > mmap(0x8004a6000,2269184,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP= _ANON,-1,0x0) > > =20 > > > =3D 34364612608 (0x8004a6000) munmap(0x800252000,4096) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > open("/lib/libnv.so.0",O_RDONLY|O_CLOEXEC|O_VERIFY,00) =3D 3 (0x3) > > > fstat(3,{ mode=3D-r--r--r-- ,inode=3D4727585,size=3D91728,blksize=3D3= 2768 > > > }) =3D 0 (0x0) > > > mmap(0x0,4096,PROT_READ,MAP_PRIVATE|MAP_PREFAULT_READ,3,0x0) =3D > > > 34362171392 (0x800252000) > > > mmap(0x0,102400,PROT_NONE,MAP_GUARD,-1,0x0) =3D 34366881792 > > > (0x8006d0000) > > > =20 > > mmap(0x8006d0000,40960,PROT_READ,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE|MAP_P= REFAULT_READ,3,0x0) > > =20 > > > =3D 34366881792 (0x8006d0000) > > > =20 > > mmap(0x8006da000,53248,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NO= CORE|MAP_PREFAULT_READ,3,0x9000) > > =20 > > > =3D 34366922752 (0x8006da000) > > > =20 > > mmap(0x8006e7000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x15000) > > =20 > > > =3D 34366976000 (0x8006e7000) > > > =20 > > mmap(0x8006e8000,4096,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_PR= EFAULT_READ,3,0x15000) > > =20 > > > =3D 34366980096 (0x8006e8000) munmap(0x800252000,4096) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > mprotect(0x800283000,4096,PROT_READ) =3D 0 (0x0) > > > mprotect(0x8002a1000,4096,PROT_READ) =3D 0 (0x0) > > > mprotect(0x8002aa000,4096,PROT_READ) =3D 0 (0x0) > > > mprotect(0x8002b2000,4096,PROT_READ) =3D 0 (0x0) > > > mprotect(0x8002bc000,4096,PROT_READ) =3D 0 (0x0) > > > mprotect(0x800495000,40960,PROT_READ) =3D 0 (0x0) > > > mprotect(0x8006e7000,4096,PROT_READ) =3D 0 (0x0) > > > mprotect(0x800495000,40960,PROT_READ|PROT_WRITE) =3D 0 (0x0) > > > mprotect(0x800495000,40960,PROT_READ) =3D 0 (0x0) > > > readlink("/etc/malloc.conf",0x7fffffffd600,1024) ERR#2 'No such > > > file or directory' > > > issetugid() =3D 0 (0x0) > > > __sysctl("vm.overcommit",2,0x7fffffffbb94,0x7fffffffbb88,0x0,0) =3D > > > 0 (0x0) > > > =20 > > mmap(0x0,2097152,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON|MAP_ALIGNED(= 21),-1,0x0) > > =20 > > > =3D 34368126976 (0x800800000) > > > =20 > > mmap(0x0,2097152,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON|MAP_ALIGNED(= 12),-1,0x0) > > =20 > > > =3D 34370224128 (0x800a00000) > > > =20 > > mmap(0x0,4194304,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON|MAP_ALIGNED(= 21),-1,0x0) > > =20 > > > =3D 34372321280 (0x800c00000) mprotect(0x210000,4096,PROT_READ) =3D 0 > > > (0x0) socketpair(0x1,0x20000001,0x0,0x7fffffffba98) =3D 0 (0x0) > > > pdfork(0x7fffffffba94,0x0) =3D 1477 (0x5c5) > > > close(4) =3D 0 (0x0) > > > fcntl(3,F_GETFL,) =3D 6 (0x6) > > > fcntl(5,F_GETFL,) =3D 2 (0x2) > > > select(4,0x0,{ 3 },0x0,0x0) =3D 1 (0x1) > > > sendto(3,"l\0\0\0\0\0\0\0\0\0\0B\0\0\0\0\0"...,85,0,NULL,0) =3D 85 > > > (0x55) select(4,{ 3 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(3,"l\0\0\^A\0\0\0\0\0\0\0h\0\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(4,{ 3 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(3,"\^F\a\0\b\0\0\0\0\0\0\0\0\0\0\0"...,104,0,NULL,0x0) =3D > > > 104 (0x68) select(4,{ 3 },0x0,0x0,0x0) =3D 1 (0x1) > > > =20 > > recvmsg(3,{NULL,0,[{"\0",1}],1,{{level=3DSOL_SOCKET,type=3DSCM_RIGHTS,d= ata=3D{0x04,0x00,0x00,0x00}}},24,0x40000},0x40000) > > =20 > > > =3D 1 (0x1) > > > fcntl(4,F_GETFL,) =3D 6 (0x6) > > > close(5) =3D 0 (0x0) > > > close(3) =3D 0 (0x0) > > > select(5,0x0,{ 4 },0x0,0x0) =3D 1 (0x1) > > > sendto(4,"l\0\0\0\0\0\0\0\0\0\0!\0\0\0\0\0"...,52,0,NULL,0) =3D 52 > > > (0x34) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"l\0\0\0\0\0\0\0\0\0\0;\0\0\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"\^A\a\0\0\0\0\0\0\0\0\0\0\0\0\0"...,59,0,NULL,0x0) =3D > > > 59 (0x3b) select(5,0x0,{ 4 },0x0,0x0) =3D 1 (0x1) > > > sendto(4,"l\0\0\0\0\0\0\0\0\0\0\M-(\0\0\0"...,187,0,NULL,0) =3D 187 > > > (0xbb) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"l\0\0\0\0\0\0\0\0\0\0!\0\0\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"\^C\^F\0\b\0\0\0\0\0\0\0\0\0\0\0"...,33,0,NULL,0x0) =3D > > > 33 (0x21) select(5,0x0,{ 4 },0x0,0x0) =3D 1 (0x1) > > > sendto(4,"l\0\0\0\0\0\0\0\0\0\0!\0\0\0\0\0"...,52,0,NULL,0) =3D 52 > > > (0x34) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"l\0\0\0\0\0\0\0\0\0\0\M-(\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"\^E\a\0z\0\0\0\0\0\0\0\0\0\0\0\0"...,168,0,NULL,0x0) > > > =3D 168 (0xa8) > > > select(5,0x0,{ 4 },0x0,0x0) =3D 1 (0x1) > > > sendto(4,"l\0\0\0\0\0\0\0\0\0\0\M-K\0\0\0"...,222,0,NULL,0) =3D 222 > > > (0xde) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"l\0\0\0\0\0\0\0\0\0\0!\0\0\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"\^C\^F\0\b\0\0\0\0\0\0\0\0\0\0\0"...,33,0,NULL,0x0) =3D > > > 33 (0x21) select(5,0x0,{ 4 },0x0,0x0) =3D 1 (0x1) > > > sendto(4,"l\0\0\0\0\0\0\0\0\0\0\M-}\0\0\0"...,272,0,NULL,0) =3D 272 > > > (0x110) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"l\0\0\0\0\0\0\0\0\0\0]\^A\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"\^E\^E\0001\^A\0\0\0\0\0\0\0\0\0"...,349,0,NULL,0x0) > > > =3D 349 (0x15d) > > > socket(PF_INET6,SOCK_RAW,IPPROTO_ICMPV6) =3D 3 (0x3) > > > socket(PF_INET6,SOCK_RAW,IPPROTO_ICMPV6) =3D 5 (0x5) > > > getuid() =3D 0 (0x0) > > > seteuid(0x0) =3D 0 (0x0) > > > getuid() =3D 0 (0x0) > > > setuid(0x0) =3D 0 (0x0) > > > getpid() =3D 1476 (0x5c4) > > > mmap(0x0,1112,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =3D > > > 34362171392 (0x800252000) > > > minherit(0x800252000,1112,INHERIT_ZERO) =3D 0 (0x0) > > > getrandom("m\M^X\^U\M-I\M^XP\M-e^\M-R\^UE"...,40,0) =3D 40 (0x28) > > > setsockopt(3,IPPROTO_IPV6,IPV6_USE_MIN_MTU,0x7fffffffe944,4) =3D 0 > > > (0x0) setsockopt(5,IPPROTO_ICMPV6,18,0x7fffffffbad0,32) =3D 0 (0x0) > > > select(5,0x0,{ 4 },0x0,0x0) =3D 1 (0x1) > > > sendto(4,"l\0\0\0\0\0\0\0\0\0\0!\0\0\0\0\0"...,52,0,NULL,0) =3D 52 > > > (0x34) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"l\0\0\0\0\0\0\0\0\0\0\M-K\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"\^E\a\0\M^]\0\0\0\0\0\0\0\0\0\0"...,203,0,NULL,0x0) =3D > > > 203 (0xcb) select(5,0x0,{ 4 },0x0,0x0) =3D 1 (0x1) > > > sendto(4,"l\0\0\0\0\0\0\0\0\0\0\M-(\0\0\0"...,187,0,NULL,0) =3D 187 > > > (0xbb) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"l\0\0\0\0\0\0\0\0\0\0!\0\0\0\0\0"...,19,0,NULL,0x0) =3D > > > 19 (0x13) select(5,{ 4 },0x0,0x0,0x0) =3D 1 (0x1) > > > recvfrom(4,"\^C\^F\0\b\0\0\0\0\0\0\0\0\0\0\0"...,33,0,NULL,0x0) =3D > > > 33 (0x21) socket(PF_INET6,SOCK_DGRAM,0) =3D 6 (0x6) > > > connect(6,{ AF_INET6 [2a00:1450:4006:802::2004]:10101 },28) > > > ERR#65 'No route to host' > > > ping: write(2,"ping: ",6) =3D 6 (0x6) > > > UDP connectwrite(2,"UDP connect",11) =3D 11 (0xb) > > > : write(2,": ",2) =3D 2 (0x2) > > > fstatat(AT_FDCWD,"/usr/share/nls/C/libc.cat",0x7fffffffb7f0,0x0) > > > ERR#2 'No such file or directory' > > > fstatat(AT_FDCWD,"/usr/share/nls/libc/C",0x7fffffffb7f0,0x0) ERR#2 > > > 'No such file or directory' > > > fstatat(AT_FDCWD,"/usr/local/share/nls/C/libc.cat",0x7fffffffb7f0,0x0) > > > ERR#2 'No such file or directory' > > > fstatat(AT_FDCWD,"/usr/local/share/nls/libc/C",0x7fffffffb7f0,0x0) > > > ERR#2 'No such file or directory' > > > No route to host > > > write(2,"No route to host\n",17) =3D 17 (0x11) > > > exit(0x1) > > > process exit, rval =3D 1 > > > > > > On Mon, Apr 12, 2021 at 1:53 PM Michael Gmelin > > > wrote: > > > =20 > > > > > > > > > > > > On Sun, 11 Apr 2021 07:42:23 +0300 > > > > =C3=96zkan KIRIK wrote: > > > > =20 > > > > > Hello, > > > > > > > > > > > > > > > root@f13:~ # jexec client ping www.google.com > > > > > ping: UDP connect: No route to host > > > > > > > > > > root@f13:~ # jexec client ping -4 -c 2 www.google.com > > > > > PING www.google.com (216.58.212.100): 56 data bytes > > > > > 64 bytes from 216.58.212.100: icmp_seq=3D0 ttl=3D128 time=3D85.487 > > > > > ms 64 bytes from 216.58.212.100: icmp_seq=3D1 ttl=3D128 > > > > > time=3D90.243 ms > > > > > > > > > > --- www.google.com ping statistics --- > > > > > 2 packets transmitted, 2 packets received, 0.0% packet loss > > > > > round-trip min/avg/max/stddev =3D 85.487/87.865/90.243/2.378 ms > > > > > root@f13:~ # =20 > > > > > > > > That's interesting - ping6 was merged into ping last year, the > > > > basic logic of deciding which AF to use is here: > > > > > > > > https://cgit.freebsd.org/src/tree/sbin/ping/main.c#n128 > > > > > > > > Essentially it does: > > > > > > > > 1. IPv6 disabled? Use IPv4 > > > > else > > > > 2. IPv4 disabled? Use IPv6 > > > > else > > > > 3. do hostname lookup and decide based on the AF of the first > > > > result. > > > > > > > > As far as I can tell, the result of 3. is not used for the ping > > > > though, but only to decide if ping6 or ping should be done. I > > > > wonder if this is actually a good idea - gut feeling-wise I > > > > would prefer only one lookup to take place when calling ping. > > > > > > > > That said, what happens if you call: > > > > > > > > jexec client ping -6 -c 2 www.google.com > > > > > > > > I assume that should give you some output (including an IP > > > > address), even though the ping6 itself will fail. > > > > > > > > Also, what is your /etc/resolv.conf inside the jail? > > > > > > > > I suspect that the problem is caused by the gethostbyaddr call > > > > in 3. and is not directly IPv6 related - if I compare the code > > > > used by ping.c and ping6.c (including capsicum support) with > > > > what 3. does, we might have a bigger problem here. > > > > > > > > Best, > > > > Michael > > > > =20 > > > > > _______________________________________________ > > > > > freebsd-net@freebsd.org mailing list > > > > > https://lists.freebsd.org/mailman/listinfo/freebsd-net > > > > > To unsubscribe, send any mail to > > > > > "freebsd-net-unsubscribe@freebsd.org" =20 > > > > > > > > > > > > > > > > -- > > > > Michael Gmelin > > > > =20 > > > _______________________________________________ > > > freebsd-net@freebsd.org mailing list > > > https://lists.freebsd.org/mailman/listinfo/freebsd-net > > > To unsubscribe, send any mail to > > > "freebsd-net-unsubscribe@freebsd.org" =20 > > > > > > > > -- > > Michael Gmelin > > =20 > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" --=20 Michael Gmelin