With the following patch series, all verifier selftests pass on the archs which select HAVE_EFFICIENT_UNALIGNED_ACCESS.
[v2,4.19,00/19] bpf: fix verifier selftests, add CVE-2021-29155, CVE-2021-33200 fixes https://patchwork.kernel.org/project/netdevbpf/cover/20210528103810.22025-1-...
But on inefficient unaligned access architectures, there still exist many failures, so some patches about F_NEEDS_EFFICIENT_UNALIGNED_ACCESS are also needed, backport to 4.19 with a minor context difference.
This patch series is based on the series (all now queued up by greg k-h): "bpf: fix verifier selftests, add CVE-2021-29155, CVE-2021-33200 fixes".
Björn Töpel (2): selftests/bpf: add "any alignment" annotation for some tests selftests/bpf: Avoid running unprivileged tests with alignment requirements
Daniel Borkmann (2): bpf: fix test suite to enable all unpriv program types bpf: test make sure to run unpriv test cases in test_verifier
David S. Miller (4): bpf: Add BPF_F_ANY_ALIGNMENT. bpf: Adjust F_NEEDS_EFFICIENT_UNALIGNED_ACCESS handling in test_verifier.c bpf: Make more use of 'any' alignment in test_verifier.c bpf: Apply F_NEEDS_EFFICIENT_UNALIGNED_ACCESS to more ACCEPT test cases.
Joe Stringer (1): selftests/bpf: Generalize dummy program types
include/uapi/linux/bpf.h | 14 ++ kernel/bpf/syscall.c | 7 +- kernel/bpf/verifier.c | 3 + tools/include/uapi/linux/bpf.h | 14 ++ tools/lib/bpf/bpf.c | 8 +- tools/lib/bpf/bpf.h | 2 +- tools/testing/selftests/bpf/test_align.c | 4 +- tools/testing/selftests/bpf/test_verifier.c | 224 ++++++++++++++++++++-------- 8 files changed, 206 insertions(+), 70 deletions(-)