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Diffstat (limited to 'core/bash/bash53-013')
| -rw-r--r-- | core/bash/bash53-013 | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/core/bash/bash53-013 b/core/bash/bash53-013 new file mode 100644 index 0000000..16ff707 --- /dev/null +++ b/core/bash/bash53-013 @@ -0,0 +1,54 @@ + BASH PATCH REPORT + ================= + +Bash-Release: 5.3 +Patch-ID: bash53-013 + +Bug-Reported-by: Florian Schmaus <flo@geekplace.eu> +Bug-Reference-ID: +Bug-Reference-URL: https://savannah.gnu.org/bugs/?67586 + +Bug-Description: + +Comparing the value of a pointer returned from realloc/xrealloc to the +original pointer passed is technically undefined behavior, which matters +under some circumstances. + +Patch (apply with `patch -p0'): + +*** ../bash-5.3-patched/builtins/read.def Wed Jun 25 15:50:18 2025 +--- builtins/read.def Thu Nov 20 15:10:20 2025 +*************** +*** 789,794 **** + x = (char *)xrealloc (input_string, size += 128); + +! /* Only need to change unwind-protect if input_string changes */ + if (x != input_string) + { + input_string = x; +--- 816,824 ---- + x = (char *)xrealloc (input_string, size += 128); + +! #if 0 +! /* This is, in theory, undefined behavior, since input_string may +! have been freed. */ + if (x != input_string) ++ #endif + { + input_string = x; + +*** ../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 12 + + #endif /* _PATCHLEVEL_H_ */ +--- 26,30 ---- + looks for to find the patch level (for the sccs version string). */ + +! #define PATCHLEVEL 13 + + #endif /* _PATCHLEVEL_H_ */ |