BASH PATCH REPORT
=================
Bash-Release: 4.2
Patch-ID: bash42-052
Bug-Reported-by: Michal Zalewski <
[email protected]>
Bug-Reference-ID:
Bug-Reference-URL:
Bug-Description:
When bash is parsing a function definition that contains a here-document
delimited by end-of-file (or end-of-string), it leaves the closing delimiter
uninitialized. This can result in an invalid memory access when the parsed
function is later copied.
Patch (apply with `patch -p0'):
*** ../bash-4.2.51/make_cmd.c 2009-09-11 17:26:12.000000000 -0400
--- make_cmd.c 2014-10-02 11:26:58.000000000 -0400
***************
*** 690,693 ****
--- 690,694 ----
temp->redirector = source;
temp->redirectee = dest_and_filename;
+ temp->here_doc_eof = 0;
temp->instruction = instruction;
temp->flags = 0;
*** ../bash-4.2.51/copy_cmd.c 2009-09-11 16:28:02.000000000 -0400
--- copy_cmd.c 2014-10-02 11:26:58.000000000 -0400
***************
*** 127,131 ****
case r_reading_until:
case r_deblank_reading_until:
! new_redirect->here_doc_eof = savestring (redirect->here_doc_eof);
/*FALLTHROUGH*/
case r_reading_string:
--- 127,131 ----
case r_reading_until:
case r_deblank_reading_until:
! new_redirect->here_doc_eof = redirect->here_doc_eof ? savestring (redirect->here_doc_eof) : 0;
/*FALLTHROUGH*/
case r_reading_string:
*** ../bash-4.2-patched/patchlevel.h Sat Jun 12 20:14:48 2010
--- patchlevel.h Thu Feb 24 21:41:34 2011
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 51
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 52
#endif /* _PATCHLEVEL_H_ */
