BASH PATCH REPORT ================= Bash-Release: 4.2 Patch-ID: bash42-045 Bug-Reported-by: Stephane Chazelas Bug-Reference-ID: <20130218195539.GA9620@chaz.gmail.com> Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2013-02/msg00080.html Bug-Description: The <&n- and >&n- redirections, which move one file descriptor to another, leave the file descriptor closed when applied to builtins or compound commands. Patch (apply with `patch -p0'): *** ../bash-4.2-patched/redir.c 2013-01-30 11:56:09.000000000 -0500 --- redir.c 2013-02-19 09:38:36.000000000 -0500 *************** *** 1008,1011 **** --- 1008,1021 ---- REDIRECTION_ERROR (r, errno, -1); } + if ((flags & RX_UNDOABLE) && (ri == r_move_input || ri == r_move_output)) + { + /* r_move_input and r_move_output add an additional close() + that needs to be undone */ + if (fcntl (redirector, F_GETFD, 0) != -1) + { + r = add_undo_redirect (redir_fd, r_close_this, -1); + REDIRECTION_ERROR (r, errno, -1); + } + } #if defined (BUFFERED_INPUT) check_bash_input (redirector); *** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010 --- patchlevel.h Thu Feb 24 21:41:34 2011 *************** *** 26,30 **** looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 44 #endif /* _PATCHLEVEL_H_ */ --- 26,30 ---- looks for to find the patch level (for the sccs version string). */ ! #define PATCHLEVEL 45 #endif /* _PATCHLEVEL_H_ */