BASH PATCH REPORT
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=================
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Bash-Release: 5.2
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Patch-ID: bash52-022
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Bug-Reported-by: srobertson@peratonlabs.com
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Bug-Reference-ID:
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Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2022-09/msg00049.html
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Bug-Description:
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It's possible for readline to try to zero out a line that's not null-
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terminated, leading to a memory fault.
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Patch (apply with `patch -p0'):
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*** ../bash-5.2-patched/lib/readline/display.c 2022-04-05 10:47:31.000000000 -0400
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--- lib/readline/display.c 2022-12-13 13:11:22.000000000 -0500
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***************
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*** 2684,2692 ****
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if (visible_line)
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! {
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! temp = visible_line;
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! while (*temp)
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! *temp++ = '\0';
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! }
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rl_on_new_line ();
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forced_display++;
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--- 2735,2740 ----
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if (visible_line)
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! memset (visible_line, 0, line_size);
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!
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rl_on_new_line ();
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forced_display++;
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*** ../bash-5.2/patchlevel.h 2020-06-22 14:51:03.000000000 -0400
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--- patchlevel.h 2020-10-01 11:01:28.000000000 -0400
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***************
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*** 26,30 ****
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 21
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#endif /* _PATCHLEVEL_H_ */
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--- 26,30 ----
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looks for to find the patch level (for the sccs version string). */
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! #define PATCHLEVEL 22
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#endif /* _PATCHLEVEL_H_ */
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