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| author | Dmitry Shmidt <dimitrysh@google.com> | 2016-10-14 13:34:43 -0700 |
|---|---|---|
| committer | Dmitry Shmidt <dimitrysh@google.com> | 2016-10-14 13:34:43 -0700 |
| commit | 14de94f03d2c7562542599224e88965bc4d20a1d (patch) | |
| tree | be0ea1d0fd305bf61d91f11f7ffc31f930f1aa49 /kernel/fork.c | |
| parent | fed8e608c338037d3ae408089631b731d21a8d80 (diff) | |
| parent | 11bfbae19413a2ffe70378b6e572be263869a2bc (diff) | |
Merge tag 'v4.4.24' into android-4.4.y
This is the 4.4.24 stable release
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index a1d163250909..18a5cb17035a 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -902,14 +902,12 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm) deactivate_mm(tsk, mm); /* - * If we're exiting normally, clear a user-space tid field if - * requested. We leave this alone when dying by signal, to leave - * the value intact in a core dump, and to save the unnecessary - * trouble, say, a killed vfork parent shouldn't touch this mm. - * Userland only wants this done for a sys_exit. + * Signal userspace if we're not exiting with a core dump + * because we want to leave the value intact for debugging + * purposes. */ if (tsk->clear_child_tid) { - if (!(tsk->flags & PF_SIGNALED) && + if (!(tsk->signal->flags & SIGNAL_GROUP_COREDUMP) && atomic_read(&mm->mm_users) > 1) { /* * We don't check the error code - if userspace has |