Bash-5.1 Official Patch 10

[Chet Ramey]

                             BASH PATCH REPORT
                             =================

Bash-Release:   5.1
Patch-ID:       bash51-010

Bug-Reported-by:        Jonas Alfredsson <jonas.alfredsson@protonmail.com>
Bug-Reference-ID:       
<LjAfZaEuZncr2RaqhSSfcaiXdkuK6kdEYxshP3LApXbgMVQzggMGyWHO9knVkXicW2fP-ibsipJ_GZ-YaJRm96Rsozf6PgFmPsljRCtflls=@protonmail.com>
Bug-Reference-URL:      
https://lists.gnu.org/archive/html/bug-bash/2021-05/msg00059.html

Bug-Description:

If `wait -n' is interrupted by a trapped signal other than SIGINT, it does
not completely clean up state, and that can prevent subsequent calls to
`wait -n' from working correctly.

Patch (apply with `patch -p0'):

*** ../bash-5.1-patched/builtins/wait.def       2020-12-16 17:13:12.000000000 
-0500
--- builtins/wait.def   2021-11-17 10:25:15.000000000 -0500
***************
*** 112,116 ****
       WORD_LIST *list;
  {
!   int status, code, opt, nflag, wflags;
    char *vname;
    SHELL_VAR *pidvar;
--- 112,117 ----
       WORD_LIST *list;
  {
!   int status, code, opt, nflag;
!   volatile int wflags;
    char *vname;
    SHELL_VAR *pidvar;
***************
*** 181,184 ****
--- 188,193 ----
        status = 128 + wait_signal_received;
        wait_sigint_cleanup ();
+       if (wflags & JWAIT_WAITING)
+       unset_waitlist ();
        WAIT_RETURN (status);
      }

*** ../bash-5.1/patchlevel.h    2020-06-22 14:51:03.000000000 -0400
--- patchlevel.h        2020-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 9
  
  #endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
     looks for to find the patch level (for the sccs version string). */
  
! #define PATCHLEVEL 10
  
  #endif /* _PATCHLEVEL_H_ */

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/