Re: [PATCH v4 2/3][v4.9.y] coredump: fix race condition between mmget_not_zero()/get_task_mm() and core dumping

Jason Gunthorpe
2019-06-24T13:12:40Z

On Tue, Jun 25, 2019 at 02:33:04AM +0530, Ajay Kaher wrote:
> This patch is the extension of following upstream commit to fix
> the race condition between get_task_mm() and core dumping
> for IB->mlx4 and IB->mlx5 drivers:
>
> commit 04f5866e41fb ("coredump: fix race condition between
> mmget_not_zero()/get_task_mm() and core dumping")'
>
> Thanks to Jason for pointing this.
>
> Signed-off-by: Ajay Kaher <akaher@vmware.com>
> ---
> drivers/infiniband/hw/mlx4/main.c | 4 +++-
> drivers/infiniband/hw/mlx5/main.c | 3 +++
> 2 files changed, 6 insertions(+), 1 deletion(-)

Looks OK

Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>

Thanks
Jason