From owner-freebsd-bugs@freebsd.org Fri Apr 2 18:52:30 2021 Return-Path: Delivered-To: freebsd-bugs@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 9E59057EB07 for ; Fri, 2 Apr 2021 18:52:30 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4FBq1B3rQbz3lrJ for ; Fri, 2 Apr 2021 18:52:30 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 836AA57EB06; Fri, 2 Apr 2021 18:52:30 +0000 (UTC) Delivered-To: bugs@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 81C5757EB05 for ; Fri, 2 Apr 2021 18:52:30 +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 4FBq1B36WYz3lRR for ; Fri, 2 Apr 2021 18:52:30 +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 5E58324C33 for ; Fri, 2 Apr 2021 18:52:30 +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 132IqU0p037061 for ; Fri, 2 Apr 2021 18:52:30 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 132IqUf7037060 for bugs@FreeBSD.org; Fri, 2 Apr 2021 18:52:30 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 253593] Process hangs if nullfs mounted cwd moved out of chroot Date: Fri, 02 Apr 2021 18:52:30 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: sulli00777@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: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Apr 2021 18:52:30 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253593 --- Comment #10 from Patrick Sullivan --- [eshnunna]|<->|[~]Z#uname -a FreeBSD eshnunna 14.0-CURRENT FreeBSD 14.0-CURRENT #2 pat-n245800-7e199c730= ccd: Fri Apr 2 02:28:32 PDT 2021=20=20=20=20 root@eshnunna:/usr/obj/root/stuff/repos/freebsd-src/amd64.amd64/sys/GENERIC= =20 amd64 [eshnunna]|<->|[~]Z#mkdir -p /test/jail/mnt /test/mounted/subdir && cp /rescue/(sh|sleep) /test/jail && mount_nullfs /test/mounted /test/jail/mnt = &&=20 chroot /test/jail /sh -c ' cd /mnt/subdir; /sleep 10; cd .' & sleep 1; mv /test/mounted/subdir /test/outside ; sleep 10; umount /test/jail/mnt ; rm -= rf /test [1] 971 cd: warning: failed to get name of current directory [1] + done chroot /test/jail /sh -c ' cd /mnt/subdir; /sleep 10; cd = .' Looks good to me. We don't see a panic anymore. --=20 You are receiving this mail because: You are the assignee for the bug.=