[PATCH 4.9 64/65] bpf, ppc64: fix out of bounds access in tail call

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Daniel Borkmann [ upstream commit d269176e766c71c998cb75b4ea8cbc321cc0019d ] While working on 16338a9b3ac3 ("bpf, arm64: fix out of bounds access in tail call") I noticed

[PATCH 4.9 64/65] bpf, ppc64: fix out of bounds access in tail call

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Daniel Borkmann [ upstream commit d269176e766c71c998cb75b4ea8cbc321cc0019d ] While working on 16338a9b3ac3 ("bpf, arm64: fix out of bounds access in tail call") I noticed that ppc64 JIT is