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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_ */
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