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Bash-5.2 official patch 5
From: |
Chet Ramey |
Subject: |
Bash-5.2 official patch 5 |
Date: |
Tue, 8 Nov 2022 09:49:17 -0500 |
BASH PATCH REPORT
=================
Bash-Release: 5.2
Patch-ID: bash52-005
Bug-Reported-by: Justin Wood (Callek) <callek@gmail.com>
Bug-Reference-ID:
<CANBDKY9fp2yiXONP7RY4kNuRteuovUebxSJaqePHeu7cyaFS9Q@mail.gmail.com>
Bug-Reference-URL:
https://lists.gnu.org/archive/html/bug-bash/2022-10/msg00088.html
Bug-Description:
Null pattern substitution replacement strings can cause a crash.
Patch (apply with `patch -p0'):
*** ../bash-5.2-patched/subst.c 2022-10-05 10:22:02.000000000 -0400
--- subst.c 2022-10-13 16:57:26.000000000 -0400
***************
*** 8966,8970 ****
}
else if (*string == 0 && (match_pattern (string, pat, mtype, &s, &e) != 0))
! return ((mflags & MATCH_EXPREP) ? strcreplace (rep, '&', "", 2) :
savestring (rep));
ret = (char *)xmalloc (rsize = 64);
--- 8966,8971 ----
}
else if (*string == 0 && (match_pattern (string, pat, mtype, &s, &e) != 0))
! return (mflags & MATCH_EXPREP) ? strcreplace (rep, '&', "", 2)
! : (rep ? savestring (rep) : savestring (""));
ret = (char *)xmalloc (rsize = 64);
*** ../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 4
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 5
#endif /* _PATCHLEVEL_H_ */
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/
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