diff options
Diffstat (limited to 'data/bash/bash44-004')
| -rw-r--r-- | data/bash/bash44-004 | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/data/bash/bash44-004 b/data/bash/bash44-004 deleted file mode 100644 index 1d8af26a9..000000000 --- a/data/bash/bash44-004 +++ /dev/null @@ -1,84 +0,0 @@ - BASH PATCH REPORT - ================= - -Bash-Release: 4.4 -Patch-ID: bash44-004 - -Bug-Reported-by: Christian Weisgerber <naddy@mips.inka.de> -Bug-Reference-ID: <20161101160302.GB54856@lorvorc.mips.inka.de> -Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2016-11/msg00004.html - -Bug-Description: - -There is a race condition that can result in bash referencing freed memory -when freeing data associated with the last process substitution. - -Patch (apply with `patch -p0'): - -*** ../bash-4.4/jobs.c 2016-08-23 16:38:44.000000000 -0400 ---- jobs.c 2016-11-02 18:24:45.000000000 -0400 -*************** -*** 454,457 **** ---- 454,472 ---- - } - -+ void -+ discard_last_procsub_child () -+ { -+ PROCESS *disposer; -+ sigset_t set, oset; -+ -+ BLOCK_CHILD (set, oset); -+ disposer = last_procsub_child; -+ last_procsub_child = (PROCESS *)NULL; -+ UNBLOCK_CHILD (oset); -+ -+ if (disposer) -+ discard_pipeline (disposer); -+ } -+ - struct pipeline_saver * - alloc_pipeline_saver () -*** ../bash-4.4/jobs.h 2016-04-27 10:35:51.000000000 -0400 ---- jobs.h 2016-11-02 18:25:08.000000000 -0400 -*************** -*** 191,194 **** ---- 191,195 ---- - extern void stop_making_children __P((void)); - extern void cleanup_the_pipeline __P((void)); -+ extern void discard_last_procsub_child __P((void)); - extern void save_pipeline __P((int)); - extern PROCESS *restore_pipeline __P((int)); -*** ../bash-4.4/subst.c 2016-08-30 16:46:38.000000000 -0400 ---- subst.c 2016-11-02 18:23:24.000000000 -0400 -*************** -*** 5809,5816 **** - #if defined (JOB_CONTROL) - if (last_procsub_child) -! { -! discard_pipeline (last_procsub_child); -! last_procsub_child = (PROCESS *)NULL; -! } - last_procsub_child = restore_pipeline (0); - #endif ---- 5834,5838 ---- - #if defined (JOB_CONTROL) - if (last_procsub_child) -! discard_last_procsub_child (); - last_procsub_child = restore_pipeline (0); - #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 3 - - #endif /* _PATCHLEVEL_H_ */ ---- 26,30 ---- - looks for to find the patch level (for the sccs version string). */ - -! #define PATCHLEVEL 4 - - #endif /* _PATCHLEVEL_H_ */ |