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Wei-Ting Yang
bdd34b5a27
- Fix technically undefined behavior when comparing return value from realloc to the original pointer - Update mapfile patch 11, removing stray line and improving the efficiency of the original fix - Fix read builtin to avoid cases where -1 is used as an index into the input buffer Signed-off-by: Wei-Ting Yang <williamatcg@gmail.com>
32 lines
1007 B
Diff
32 lines
1007 B
Diff
From 427d51d84df2fecc3d1a20f28b16f38234cd9914 Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Wed, 10 Jun 2026 08:56:30 -0400
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Subject: Bash-5.3 patch 13: fix technically undefined behavior when comparing
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return value from realloc to the original pointer
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--- a/builtins/read.def
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+++ b/builtins/read.def
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@@ -788,8 +788,11 @@ read_builtin (WORD_LIST *list)
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char *x;
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x = (char *)xrealloc (input_string, size += 128);
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- /* Only need to change unwind-protect if input_string changes */
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+#if 0
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+ /* This is, in theory, undefined behavior, since input_string may
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+ have been freed. */
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if (x != input_string)
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+#endif
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{
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input_string = x;
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remove_unwind_protect ();
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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 12
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+#define PATCHLEVEL 13
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#endif /* _PATCHLEVEL_H_ */
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