Date: Fri, 24 Mar 2017 06:38:52 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 218057] bash fails to redirect Message-ID: <bug-218057-8@https.bugs.freebsd.org/bugzilla/>
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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 <http://gnu.org/licenses/gpl.htm= l> 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.=
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