utils/bash/patches/122-upstream-bash43-022.patch

   1                              BASH PATCH REPORT
   2                              =================
   3
   4 Bash-Release:   4.3
   5 Patch-ID:       bash43-022
   6
   7 Bug-Reported-by:        scorp.dev.null@gmail.com
   8 Bug-Reference-ID:       <E1WxXw8-0007iE-Bi@pcm14>
   9 Bug-Reference-URL:      http://lists.gnu.org/archive/html/bug-bash/2014-06/msg00061.html
  10
  11 Bug-Description:
  12
  13 Using nested pipelines within loops with the `lastpipe' option set can result
  14 in a segmentation fault.
  15
  16 Patch (apply with `patch -p0'):
  17
  18 --- a/execute_cmd.c
  19 +++ b/execute_cmd.c
  20 @@ -2413,7 +2413,16 @@ execute_pipeline (command, asynchronous,
  21  #endif
  22        lstdin = wait_for (lastpid);
  23  #if defined (JOB_CONTROL)
  24 -      exec_result = job_exit_status (lastpipe_jid);
  25 +      /* If wait_for removes the job from the jobs table, use result of last
  26 +        command as pipeline's exit status as usual.  The jobs list can get
  27 +        frozen and unfrozen at inconvenient times if there are multiple pipelines
  28 +        running simultaneously. */
  29 +      if (INVALID_JOB (lastpipe_jid) == 0)
  30 +       exec_result = job_exit_status (lastpipe_jid);
  31 +      else if (pipefail_opt)
  32 +       exec_result = exec_result | lstdin;     /* XXX */
  33 +      /* otherwise we use exec_result */
  34 +
  35  #endif
  36        unfreeze_jobs_list ();
  37      }
  38 --- a/patchlevel.h
  39 +++ b/patchlevel.h
  40 @@ -25,6 +25,6 @@
  41     regexp `^#define[   ]*PATCHLEVEL', since that's what support/mkversion.sh
  42     looks for to find the patch level (for the sccs version string). */
  43
  44 -#define PATCHLEVEL 21
  45 +#define PATCHLEVEL 22
  46
  47  #endif /* _PATCHLEVEL_H_ */