- Update from version 5.3 patch 8 to 5.3 patch 9
- No change to rootfile
- Changelog
    5.3-009
        A SIGINT during a reverse i-search can cause a segmentation fault due to
         accessing data freed by a signal handler.

Signed-off-by: Adolf Belka <[email protected]>
---
 lfs/bash                    |  2 +-
 src/patches/bash/bash53-009 | 82 +++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+), 1 deletion(-)
 create mode 100644 src/patches/bash/bash53-009

diff --git a/lfs/bash b/lfs/bash
index adfbd35d1..fd68e8805 100644
--- a/lfs/bash
+++ b/lfs/bash
@@ -25,7 +25,7 @@
 include Config
 
 VER        = 5.3
-PATCHVER   = 8
+PATCHVER   = 9
 
 THISAPP    = bash-$(VER)
 DL_FILE    = $(THISAPP).tar.gz
diff --git a/src/patches/bash/bash53-009 b/src/patches/bash/bash53-009
new file mode 100644
index 000000000..4b53b4145
--- /dev/null
+++ b/src/patches/bash/bash53-009
@@ -0,0 +1,82 @@
+                            BASH PATCH REPORT
+                            =================
+
+Bash-Release:  5.3
+Patch-ID:      bash53-009
+
+Bug-Reported-by:       penguin p <[email protected]>
+Bug-Reference-ID:      
<tyypr01mb14049c63d4635628ee867664bfa...@tyypr01mb14049.jpnprd01.prod.outlook.com>
+Bug-Reference-URL:     
https://lists.gnu.org/archive/html/bug-bash/2025-08/msg00080.html
+
+Bug-Description:
+
+A SIGINT during a reverse i-search can cause a segmentation fault due to
+accessing data freed by a signal handler.
+
+Patch (apply with `patch -p0'):
+
+*** ../bash-20250807/lib/readline/input.c      Tue Jul  8 15:37:13 2025
+--- lib/readline/input.c       Fri Aug 22 15:04:05 2025
+***************
+*** 976,984 ****
+        if (rl_signal_event_hook)
+       (*rl_signal_event_hook) ();
+! #if defined (READLINE_CALLBACKS)
+!       else if (osig == SIGINT && (ostate & RL_STATE_CALLBACK) && (ostate & 
(RL_STATE_ISEARCH|RL_STATE_NSEARCH|RL_STATE_NUMERICARG)))
+          /* just these cases for now */
+          _rl_abort_internal ();
+- #endif
+      }
+  }
+--- 1004,1012 ----
+        if (rl_signal_event_hook)
+       (*rl_signal_event_hook) ();
+!       /* If the application's SIGINT handler returns, make sure we abort out 
of
+!       searches and numeric arguments because we've freed necessary state. */
+!       if (osig == SIGINT && (ostate & 
(RL_STATE_ISEARCH|RL_STATE_NSEARCH|RL_STATE_NUMERICARG)))
+          /* just these cases for now */
+          _rl_abort_internal ();
+      }
+  }
+*** ../bash-20250807/lib/readline/isearch.c    Thu Jun  5 09:22:11 2025
+--- lib/readline/isearch.c     Tue Aug 19 14:55:55 2025
+***************
+*** 890,899 ****
+  _rl_isearch_cleanup (_rl_search_cxt *cxt, int r)
+  {
+    if (r >= 0)
+      _rl_isearch_fini (cxt);
+    _rl_scxt_dispose (cxt, 0);
+-   _rl_iscxt = 0;
+- 
+-   RL_UNSETSTATE(RL_STATE_ISEARCH);
+  
+    return (r != 0);
+--- 890,901 ----
+  _rl_isearch_cleanup (_rl_search_cxt *cxt, int r)
+  {
++   RL_UNSETSTATE(RL_STATE_ISEARCH);
++   if (cxt == 0)
++     return (r != 0);
++ 
++   _rl_iscxt = 0;
+    if (r >= 0)
+      _rl_isearch_fini (cxt);
+    _rl_scxt_dispose (cxt, 0);
+  
+    return (r != 0);
+*** ../bash-5.3/patchlevel.h   2020-06-22 14:51:03.000000000 -0400
+--- patchlevel.h       2020-10-01 11:01:28.000000000 -0400
+***************
+*** 26,30 ****
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 8
+  
+  #endif /* _PATCHLEVEL_H_ */
+--- 26,30 ----
+     looks for to find the patch level (for the sccs version string). */
+  
+! #define PATCHLEVEL 9
+  
+  #endif /* _PATCHLEVEL_H_ */
-- 
2.52.0


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