From owner-freebsd-bugs@freebsd.org Fri Mar 24 06:38:53 2017 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0A56BD1B3D1 for ; Fri, 24 Mar 2017 06:38:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D65F21033 for ; Fri, 24 Mar 2017 06:38:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v2O6cqhZ078406 for ; Fri, 24 Mar 2017 06:38:52 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 218057] bash fails to redirect Date: Fri, 24 Mar 2017 06:38:52 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 11.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: klm.quasi@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-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 MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 24 Mar 2017 06:38:53 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D218057 Bug ID: 218057 Summary: bash fails to redirect Product: Base System Version: 11.0-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: klm.quasi@gmail.com Bash fails to redirect on recent 11.0-STABLE. It seems to be caused by r315312 (MFC r305093). $ uname -a FreeBSD krsna 11.0-STABLE FreeBSD 11.0-STABLE #10 r315854: Thu Mar 23 19:43= :16 JST 2017 root@krsna:/usr/obj/usr/src/sys/GENERIC amd64 $ bash --version GNU bash, version 4.4.12(1)-release (amd64-portbld-freebsd11.0) Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software; you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. $ cat test.sh echo a 3<&2 $ bash test.sh test.sh: redirection error: cannot duplicate fd: Bad file descriptor test.sh: line 1: 2: Bad file descriptor r315854: $ truss /usr/local/bin/bash test.sh ... read(255,"echo a 3<&2\n",12) =3D 12 (0xc) fcntl(3,F_GETFD,) =3D 0 (0x0) fcntl(3,F_DUPFD,0xa) ERR#9 'Bad file descriptor' fcntl(3,F_DUPFD,0xa) ERR#9 'Bad file descriptor' fcntl(3,F_DUPFD,0x0) ERR#9 'Bad file descriptor' ... r306420: $ truss /usr/local/bin/bash test.sh ... read(255,"echo a 3<&2\n",12) =3D 12 (0xc) fcntl(3,F_GETFD,) ERR#9 'Bad file descriptor' dup2(0x2,0x3) =3D 3 (0x3) fcntl(2,F_GETFD,) =3D 0 (0x0) a write(1,"a\n",2) =3D 2 (0x2) close(3) =3D 0 (0x0) ... I removed r305093 and it worked. --=20 You are receiving this mail because: You are the assignee for the bug.=