| https://bugs.gentoo.org/600174 |
| https://lists.gnu.org/archive/html/bug-bash/2016-11/msg00099.html |
| |
| *** ../bash-4.4-patched/builtins/pushd.def 2016-01-25 13:31:49.000000000 -0500 |
| --- builtins/pushd.def 2016-10-28 10:46:49.000000000 -0400 |
| *************** |
| *** 366,370 **** |
| } |
| |
| ! if (which > directory_list_offset || (directory_list_offset == 0 && which == 0)) |
| { |
| pushd_error (directory_list_offset, which_word ? which_word : ""); |
| --- 366,370 ---- |
| } |
| |
| ! if (which > directory_list_offset || (which < -directory_list_offset) || (directory_list_offset == 0 && which == 0)) |
| { |
| pushd_error (directory_list_offset, which_word ? which_word : ""); |
| *************** |
| *** 388,391 **** |
| --- 388,396 ---- |
| of the list into place. */ |
| i = (direction == '+') ? directory_list_offset - which : which; |
| + if (i < 0 || i > directory_list_offset) |
| + { |
| + pushd_error (directory_list_offset, which_word ? which_word : ""); |
| + return (EXECUTION_FAILURE); |
| + } |
| free (pushd_directory_list[i]); |
| directory_list_offset--; |