On Wed, Jan 15, 2020 at 08:20:44PM +0000, Jason Gunthorpe wrote:
> The set of entry->driver_removed is missing locking, protect it with
> xa_lock() which is held by the only reader.
>
> Otherwise readers may continue to see driver_removed = false after
> rdma_user_mmap_entry_remove() returns and may continue to try and
> establish new mmaps.
>
> Fixes: 3411f9f01b76 ("RDMA/core: Create mmap database and cookie helper functions")
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
> Reviewed-by: Gal Pressman <galpress@xxxxxxxxxx>
> Acked-by: Michal Kalderon <michal.kalderon@xxxxxxxxxxx>
> ---
> drivers/infiniband/core/ib_core_uverbs.c | 2 ++
> 1 file changed, 2 insertions(+)
Applied to for-next
Jason
