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- BASH PATCH REPORT
- =================
- Bash-Release: 4.3
- Patch-ID: bash43-022
- Bug-Reported-by: scorp.dev.null@gmail.com
- Bug-Reference-ID: <E1WxXw8-0007iE-Bi@pcm14>
- Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2014-06/msg00061.html
- Bug-Description:
- Using nested pipelines within loops with the `lastpipe' option set can result
- in a segmentation fault.
- Patch (apply with `patch -p0'):
- --- a/execute_cmd.c
- +++ b/execute_cmd.c
- @@ -2413,7 +2413,16 @@ execute_pipeline (command, asynchronous,
- #endif
- lstdin = wait_for (lastpid);
- #if defined (JOB_CONTROL)
- - exec_result = job_exit_status (lastpipe_jid);
- + /* If wait_for removes the job from the jobs table, use result of last
- + command as pipeline's exit status as usual. The jobs list can get
- + frozen and unfrozen at inconvenient times if there are multiple pipelines
- + running simultaneously. */
- + if (INVALID_JOB (lastpipe_jid) == 0)
- + exec_result = job_exit_status (lastpipe_jid);
- + else if (pipefail_opt)
- + exec_result = exec_result | lstdin; /* XXX */
- + /* otherwise we use exec_result */
- +
- #endif
- unfreeze_jobs_list ();
- }
- --- a/patchlevel.h
- +++ b/patchlevel.h
- @@ -25,6 +25,6 @@
- regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
- looks for to find the patch level (for the sccs version string). */
-
- -#define PATCHLEVEL 21
- +#define PATCHLEVEL 22
-
- #endif /* _PATCHLEVEL_H_ */
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