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