commit 6fa632e719eec4d1b1ebf3ddc0b2d667997b057b upstream.

The fix only affects x32 bpf jit, and it is critical to use x32 bpf jit on a unpatched system, so I think we should backport it to the only affected stable kernel version: v4.19

Thanks.

Cc: stable@vger.kernel.org #4.19

Signed-off-by: Wang YanQing udknight@gmail.com