[PATCH v3 0/2] [v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

[Ajay Kaher]

coredump: fix race condition between mmget_not_zero()/get_task_mm()
and core dumping

[PATCH v3 1/2]:
Backporting of commit 04f5866e41fb70690e28397487d8bd8eea7d712a upstream.

[PATCH v3 2/2]:
Extension of commit 04f5866e41fb to fix the race condition between
get_task_mm() and core dumping for IB->mlx4 and IB->mlx5 drivers.

[diff from v2]:
- moved mmget_still_valid to mm.h in [PATCH v3 1/2]
- added binder.c changes in [PATCH v3 1/2]
- added [PATCH v3 2/2]