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BASH PATCH REPORT
=================
Bash-Release: 4.4
Patch-ID: bash44-001
Bug-Reported-by: Sean Zha <freeman_cha@hotmail.com>
Bug-Reference-ID: <BN3PR01MB13657D9303EB94BF6E54216E8CCA0@BN3PR01MB1365.prod.exchangelabs.com>
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2016-09/msg00107.html
Bug-Description:
Bash-4.4 changed the way the history list is initially allocated to reduce
the number of reallocations and copies. Users who set HISTSIZE to a very
large number to essentially unlimit the size of the history list will get
memory allocation errors
Patch (apply with `patch -p0'):
*** ../bash-4.4/lib/readline/history.c 2015-12-28 13:50:31.000000000 -0500
--- lib/readline/history.c 2016-09-30 14:28:40.000000000 -0400
***************
*** 58,61 ****
--- 58,63 ----
#define DEFAULT_HISTORY_INITIAL_SIZE 502
+ #define MAX_HISTORY_INITIAL_SIZE 8192
+
/* The number of slots to increase the_history by. */
#define DEFAULT_HISTORY_GROW_SIZE 50
***************
*** 308,312 ****
{
if (history_stifled && history_max_entries > 0)
! history_size = history_max_entries + 2;
else
history_size = DEFAULT_HISTORY_INITIAL_SIZE;
--- 310,316 ----
{
if (history_stifled && history_max_entries > 0)
! history_size = (history_max_entries > MAX_HISTORY_INITIAL_SIZE)
! ? MAX_HISTORY_INITIAL_SIZE
! : history_max_entries + 2;
else
history_size = DEFAULT_HISTORY_INITIAL_SIZE;
*** ../bash-4.4/patchlevel.h 2016-06-22 14:51:03.000000000 -0400
--- patchlevel.h 2016-10-01 11:01:28.000000000 -0400
***************
*** 26,30 ****
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 0
#endif /* _PATCHLEVEL_H_ */
--- 26,30 ----
looks for to find the patch level (for the sccs version string). */
! #define PATCHLEVEL 1
#endif /* _PATCHLEVEL_H_ */
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