bash/SOURCES/bash-4.4-patch-14.patch

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2019-11-05 21:27:17 +00:00
From 2fb21d75bfddd724b0e45d4a51455a166467e496 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Mon, 29 Jan 2018 16:03:47 -0500
Subject: [PATCH] Bash-4.4 patch 14
---
execute_cmd.c | 19 ++++++++++++++++---
patchlevel.h | 2 +-
2 files changed, 17 insertions(+), 4 deletions(-)
diff --git a/execute_cmd.c b/execute_cmd.c
index 2a3df6d6..76a80766 100644
--- a/execute_cmd.c
+++ b/execute_cmd.c
@@ -726,6 +726,8 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
{
ofifo = num_fifos ();
ofifo_list = copy_fifo_list ((int *)&osize);
+ begin_unwind_frame ("internal_fifos");
+ add_unwind_protect (xfree, ofifo_list);
saved_fifo = 1;
}
else
@@ -741,7 +743,10 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
dispose_exec_redirects ();
#if defined (PROCESS_SUBSTITUTION)
if (saved_fifo)
- free ((void *)ofifo_list);
+ {
+ free ((void *)ofifo_list);
+ discard_unwind_frame ("internal_fifos");
+ }
#endif
return (last_command_exit_value = EXECUTION_FAILURE);
}
@@ -1060,6 +1065,7 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
if (nfifo > ofifo)
close_new_fifos ((char *)ofifo_list, osize);
free ((void *)ofifo_list);
+ discard_unwind_frame ("internal_fifos");
}
#endif
@@ -4977,9 +4983,14 @@ execute_builtin_or_function (words, builtin, var, redirects,
char *ofifo_list;
#endif
-#if defined (PROCESS_SUBSTITUTION)
+#if defined (PROCESS_SUBSTITUTION)
+ begin_unwind_frame ("saved_fifos");
+ /* If we return, we longjmp and don't get a chance to restore the old
+ fifo list, so we add an unwind protect to free it */
ofifo = num_fifos ();
ofifo_list = copy_fifo_list (&osize);
+ if (ofifo_list)
+ add_unwind_protect (xfree, ofifo_list);
#endif
if (do_redirections (redirects, RX_ACTIVE|RX_UNDOABLE) != 0)
@@ -5063,7 +5074,9 @@ execute_builtin_or_function (words, builtin, var, redirects,
nfifo = num_fifos ();
if (nfifo > ofifo)
close_new_fifos (ofifo_list, osize);
- free (ofifo_list);
+ if (ofifo_list)
+ free (ofifo_list);
+ discard_unwind_frame ("saved_fifos");
#endif
return (result);
diff --git a/patchlevel.h b/patchlevel.h
index 779671cd..09a3cc84 100644
--- 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 13
+#define PATCHLEVEL 14
#endif /* _PATCHLEVEL_H_ */
--
2.13.6