BASH PATCH REPORT
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=================
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Bash-Release: 5.2
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Patch-ID: bash52-013
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Bug-Reported-by: Ralf Oehler <Ralf@Oehler-Privat.de>
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Bug-Reference-ID: <20221120140252.2fc6489b@bilbo>
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Bug-Reference-URL: https://lists.gnu.org/archive/html/bug-bash/2022-11/msg00082.html
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Bug-Description:
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Bash can leak memory when referencing a non-existent associative array
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element.
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Patch (apply with `patch -p0'):
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*** ../bash-5.2-patched/subst.c 2022-11-05 17:27:48.000000000 -0400
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--- subst.c 2022-11-21 14:42:59.000000000 -0500
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***************
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*** 7498,7503 ****
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: quote_escapes (temp);
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rflags |= W_ARRAYIND;
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- if (estatep)
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- *estatep = es; /* structure copy */
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}
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/* Note that array[*] and array[@] expanded to a quoted null string by
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--- 7508,7511 ----
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***************
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*** 7508,7512 ****
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rflags |= W_HASQUOTEDNULL;
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! if (estatep == 0)
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flush_eltstate (&es);
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}
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--- 7516,7522 ----
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rflags |= W_HASQUOTEDNULL;
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! if (estatep)
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! *estatep = es; /* structure copy */
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! else
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flush_eltstate (&es);
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}
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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 12
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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 13
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#endif /* _PATCHLEVEL_H_ */
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