commit 68a8357ec15bdce55266e9fba8b8b3b8143fa7d2 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