Re: [bug-bash] Bash-5.2 Patch 22

[Dr. Werner Fink]

On 2024/01/14 13:34:06 -0500, Chet Ramey wrote:
>                            BASH PATCH REPORT
>                            =================
> 
> Bash-Release: 5.2
> Patch-ID:     bash52-022
> 
> Bug-Reported-by:      srobertson@peratonlabs.com
> Bug-Reference-ID:
> Bug-Reference-URL:    
> https://lists.gnu.org/archive/html/bug-bash/2022-09/msg00049.html
> 
> Bug-Description:
> 
> It's possible for readline to try to zero out a line that's not null-
> terminated, leading to a memory fault.
> 
> Patch (apply with `patch -p0'):
> 
> *** ../bash-5.2-patched/lib/readline/display.c        2022-04-05 
> 10:47:31.000000000 -0400
> --- lib/readline/display.c    2022-12-13 13:11:22.000000000 -0500
> ***************
> *** 2684,2692 ****
>   
>     if (visible_line)
> !     {
> !       temp = visible_line;
> !       while (*temp)
> !     *temp++ = '\0';
> !     }
>     rl_on_new_line ();
>     forced_display++;
> --- 2735,2740 ----
>   
>     if (visible_line)
> !     memset (visible_line, 0, line_size);
> ! 
>     rl_on_new_line ();
>     forced_display++;
> 
> *** ../bash-5.2/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 21
>   
>   #endif /* _PATCHLEVEL_H_ */
> --- 26,30 ----
>      looks for to find the patch level (for the sccs version string). */
>   
> ! #define PATCHLEVEL 22
>   
>   #endif /* _PATCHLEVEL_H_ */
> 

Hi,

what is with the readline82-008, readline82-009, and readline82-010
patches?

Werner

-- 
  "Having a smoking section in a restaurant is like having
          a peeing section in a swimming pool." -- Edward Burr

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