src/patches/bash/bash52-005

   1                              BASH PATCH REPORT
   2                              =================
   3
   4 Bash-Release:   5.2
   5 Patch-ID:       bash52-005
   6
   7 Bug-Reported-by:        Justin Wood (Callek) <callek@gmail.com>
   8 Bug-Reference-ID:       <CANBDKY9fp2yiXONP7RY4kNuRteuovUebxSJaqePHeu7cyaFS9Q@mail.gmail.com>
   9 Bug-Reference-URL:      https://lists.gnu.org/archive/html/bug-bash/2022-10/msg00088.html
  10
  11 Bug-Description:
  12
  13 Null pattern substitution replacement strings can cause a crash.
  14
  15 Patch (apply with `patch -p0'):
  16
  17 *** ../bash-5.2-patched/subst.c 2022-10-05 10:22:02.000000000 -0400
  18 --- subst.c     2022-10-13 16:57:26.000000000 -0400
  19 ***************
  20 *** 8966,8970 ****
  21       }
  22     else if (*string == 0 && (match_pattern (string, pat, mtype, &s, &e) != 0))
  23 !     return ((mflags & MATCH_EXPREP) ? strcreplace (rep, '&', "", 2) : savestring (rep));
  24
  25     ret = (char *)xmalloc (rsize = 64);
  26 --- 8966,8971 ----
  27       }
  28     else if (*string == 0 && (match_pattern (string, pat, mtype, &s, &e) != 0))
  29 !     return (mflags & MATCH_EXPREP) ? strcreplace (rep, '&', "", 2)
  30 !                                  : (rep ? savestring (rep) : savestring (""));
  31
  32     ret = (char *)xmalloc (rsize = 64);
  33 *** ../bash-5.2/patchlevel.h    2020-06-22 14:51:03.000000000 -0400
  34 --- patchlevel.h        2020-10-01 11:01:28.000000000 -0400
  35 ***************
  36 *** 26,30 ****
  37      looks for to find the patch level (for the sccs version string). */
  38
  39 ! #define PATCHLEVEL 4
  40
  41   #endif /* _PATCHLEVEL_H_ */
  42 --- 26,30 ----
  43      looks for to find the patch level (for the sccs version string). */
  44
  45 ! #define PATCHLEVEL 5
  46
  47   #endif /* _PATCHLEVEL_H_ */