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author	Chet Ramey <chet.ramey@case.edu>	2025年11月26日 12:50:54 -0500
committer	Chet Ramey <chet.ramey@case.edu>	2025年11月26日 12:50:54 -0500
commit	a80c21e8b7ff113878ecece1db730fd40bc0ff55 (patch)
tree	c20956d39f04405c8e0803487a9e21dbb461a3e9
parent	c31cd58e6c4d24cec178e9dc6d26a768b4ecbd1d (diff)

Bash-5.3 patch 7: fix issue where nofork command substitutions can affect redirections in the calling shell

-rw-r--r--

-rw-r--r--

2 files changed, 8 insertions, 1 deletions

diff --git a/patchlevel.h b/patchlevel.h
index b8e99ec9..816ef06b 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 6

+#define PATCHLEVEL 7

#endif /* _PATCHLEVEL_H_ */

diff --git a/subst.c b/subst.c
index a8ae174d..dd5d57bf 100644
--- a/subst.c
+++ b/subst.c

@@ -206,6 +206,8 @@ extern int wordexp_only;

extern int singlequote_translations;

extern int extended_quote;

+extern REDIRECT *exec_redirection_undo_list, *redirection_undo_list;

#if !defined (HAVE_WCSDUP) && defined (HANDLE_MULTIBYTE)

extern wchar_t *wcsdup (const wchar_t *);

#endif

@@ -7000,6 +7002,11 @@ function_substitute (char *string, int quoted, int flags)

add_unwind_protect (uw_restore_pipestatus_array, psa);

}

#endif

+ unwind_protect_pointer (redirection_undo_list);

+ redirection_undo_list = NULL;

+ unwind_protect_pointer (exec_redirection_undo_list);

+ exec_redirection_undo_list = NULL;

subst_assign_varlist = 0;

generated by cgit v1.2.3 (git 2.25.1) at 2025年12月13日 21:36:05 +0000