[PATCH openEuler-22.03-LTS-SP1 0/2] bpf: Two bugfix for bpf prog

This patch set backports two bugfix from upstream for bpf prog.

Christophe Leroy (1): bpf: Take return from set_memory_ro() into account with bpf_prog_lock_ro()

Krister Johansen (1): bpf: ensure main program has an extable

include/linux/filter.h | 5 +++-- kernel/bpf/core.c | 4 +++- kernel/bpf/verifier.c | 15 +++++++++++---- 3 files changed, 17 insertions(+), 7 deletions(-)