diff options
Diffstat (limited to 'source/a/bash/bash-4.4-patches/bash44-014')
| -rw-r--r-- | source/a/bash/bash-4.4-patches/bash44-014 | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/source/a/bash/bash-4.4-patches/bash44-014 b/source/a/bash/bash-4.4-patches/bash44-014 new file mode 100644 index 000000000..ad3c78ac8 --- /dev/null +++ b/source/a/bash/bash-4.4-patches/bash44-014 @@ -0,0 +1,104 @@ + 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_ */ |