You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.8 KiB
104 lines
2.8 KiB
BASH PATCH REPORT
|
|
=================
|
|
|
|
Bash-Release: 4.4
|
|
Patch-ID: bash44-014
|
|
|
|
Bug-Reported-by: Oyvind Hvidsten <oyvind.hvidsten@dhampir.no>
|
|
Bug-Reference-ID: <c01b7049-925c-9409-d978-e59bf42591f4@dhampir.no>
|
|
Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2017-12/msg00023.html
|
|
|
|
Bug-Description:
|
|
|
|
Under some circumstances, functions that return via the `return' builtin do
|
|
not clean up memory they allocated to keep track of FIFOs.
|
|
|
|
Patch (apply with `patch -p0'):
|
|
|
|
*** ../bash-20171205/execute_cmd.c 2017-12-08 07:38:28.000000000 -0500
|
|
--- execute_cmd.c 2018-01-26 15:23:38.000000000 -0500
|
|
***************
|
|
*** 727,730 ****
|
|
--- 727,732 ----
|
|
ofifo = num_fifos ();
|
|
ofifo_list = copy_fifo_list ((int *)&osize);
|
|
+ begin_unwind_frame ("internal_fifos");
|
|
+ add_unwind_protect (xfree, ofifo_list);
|
|
saved_fifo = 1;
|
|
}
|
|
***************
|
|
*** 742,746 ****
|
|
#if defined (PROCESS_SUBSTITUTION)
|
|
if (saved_fifo)
|
|
! free ((void *)ofifo_list);
|
|
#endif
|
|
return (last_command_exit_value = EXECUTION_FAILURE);
|
|
--- 744,751 ----
|
|
#if defined (PROCESS_SUBSTITUTION)
|
|
if (saved_fifo)
|
|
! {
|
|
! free ((void *)ofifo_list);
|
|
! discard_unwind_frame ("internal_fifos");
|
|
! }
|
|
#endif
|
|
return (last_command_exit_value = EXECUTION_FAILURE);
|
|
***************
|
|
*** 1061,1064 ****
|
|
--- 1066,1070 ----
|
|
close_new_fifos ((char *)ofifo_list, osize);
|
|
free ((void *)ofifo_list);
|
|
+ discard_unwind_frame ("internal_fifos");
|
|
}
|
|
#endif
|
|
***************
|
|
*** 4978,4984 ****
|
|
#endif
|
|
|
|
! #if defined (PROCESS_SUBSTITUTION)
|
|
ofifo = num_fifos ();
|
|
ofifo_list = copy_fifo_list (&osize);
|
|
#endif
|
|
|
|
--- 4984,4995 ----
|
|
#endif
|
|
|
|
! #if defined (PROCESS_SUBSTITUTION)
|
|
! begin_unwind_frame ("saved_fifos");
|
|
! /* If we return, we longjmp and don't get a chance to restore the old
|
|
! fifo list, so we add an unwind protect to free it */
|
|
ofifo = num_fifos ();
|
|
ofifo_list = copy_fifo_list (&osize);
|
|
+ if (ofifo_list)
|
|
+ add_unwind_protect (xfree, ofifo_list);
|
|
#endif
|
|
|
|
***************
|
|
*** 5064,5068 ****
|
|
if (nfifo > ofifo)
|
|
close_new_fifos (ofifo_list, osize);
|
|
! free (ofifo_list);
|
|
#endif
|
|
|
|
--- 5075,5081 ----
|
|
if (nfifo > ofifo)
|
|
close_new_fifos (ofifo_list, osize);
|
|
! if (ofifo_list)
|
|
! free (ofifo_list);
|
|
! discard_unwind_frame ("saved_fifos");
|
|
#endif
|
|
|
|
*** ../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 13
|
|
|
|
#endif /* _PATCHLEVEL_H_ */
|
|
--- 26,30 ----
|
|
looks for to find the patch level (for the sccs version string). */
|
|
|
|
! #define PATCHLEVEL 14
|
|
|
|
#endif /* _PATCHLEVEL_H_ */
|
|
|