On Tue, Apr 30, 2019 at 5:46 AM Björn Töpel <bjorn.topel@xxxxxxxxx> wrote:
>
> From: Björn Töpel <bjorn.topel@xxxxxxxxx>
>
> When unmapping the AF_XDP memory regions used for the rings, an
> invalid address was passed to the munmap() calls. Instead of passing
> the beginning of the memory region, the descriptor region was passed
> to munmap.
>
> When the userspace application tried to tear down an AF_XDP socket,
> the operation failed and the application would still have a reference
> to socket it wished to get rid of.
>
> Reported-by: William Tu <u9012063@xxxxxxxxx>
> Fixes: 1cad07884239 ("libbpf: add support for using AF_XDP sockets")
> Signed-off-by: Björn Töpel <bjorn.topel@xxxxxxxxx>
> ---
Thank you.
Tested-by: William Tu <u9012063@xxxxxxxxx>
