From nobody Fri Jun 11 03:46:01 2021 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 9AC177CACB3 for ; Fri, 11 Jun 2021 03:46:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4G1RZx3l4Cz3Pw4 for ; Fri, 11 Jun 2021 03:46:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 6545A1BAB2 for ; Fri, 11 Jun 2021 03:46:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 15B3k1Tq099432 for ; Fri, 11 Jun 2021 03:46:01 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 15B3k15b099431 for bugs@FreeBSD.org; Fri, 11 Jun 2021 03:46:01 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 256544] jail crashes on config parsing Date: Fri, 11 Jun 2021 03:46:01 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: Unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: cryptogranny@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D256544 Bug ID: 256544 Summary: jail crashes on config parsing Product: Base System Version: Unspecified Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: cryptogranny@gmail.com With the following config the jail binary crashes. Please, note $vnet in the last config line. It's not defined and it's the reason. # for real network vnet; mount.devfs; path =3D "/censored/$name"; mount.devfs; exec.start =3D "/bin/sh /etc/rc"; exec.stop =3D "/bin/sh /etc/rc.shutdown"; # for tcpdump devfs_ruleset =3D 5; allow.raw_sockets =3D true; persist =3D true; allow.set_hostname =3D true ; allow.chflags =3D true ; allow.sysvipc =3D true ; allow.mount =3D true ; allow.mount.devfs =3D true; allow.mount.fdescfs =3D true ; allow.mount.nullfs =3D true ; allow.mount.procfs =3D true ; allow.sysvipc =3D true; #allow.mount.linprocfs =3D true ; #allow.mount.linsysfs =3D true ; allow.mount.tmpfs =3D true ; allow.socket_af =3D true ; allow.raw_sockets =3D true ; 1194 { exec.poststop =3D "$vnet ${jid} del"; } (gdb) run -c 1194 Starting program: /usr/sbin/jail -c 1194 Program received signal SIGSEGV, Segmentation fault. load_config () at /usr/src/usr.sbin/jail/config.c:229 229 in /usr/src/usr.sbin/jail/config.c # uname -a FreeBSD bewitched 12.2-RELEASE-p7 FreeBSD 12.2-RELEASE-p7 GENERIC amd64 --=20 You are receiving this mail because: You are the assignee for the bug.=