Hi Greg,
please consider the following backported fixes for 4.14 inclusion.
Thanks a lot!
Alexei Starovoitov (2): bpf: fix branch pruning logic bpf: fix integer overflows
Daniel Borkmann (4): bpf: fix corruption on concurrent perf_event_output calls bpf, s390x: do not reload skb pointers in non-skb context bpf, ppc64: do not reload skb pointers in non-skb context bpf, sparc: fix usage of wrong reg for load_skb_regs after call
Edward Cree (1): bpf/verifier: fix bounds calculation on BPF_RSH
Jann Horn (7): bpf: fix incorrect sign extension in check_alu_op() bpf: fix incorrect tracking of register size truncation bpf: fix 32-bit ALU op verification bpf: fix missing error return in check_stack_boundary() bpf: force strict alignment checks for stack pointers bpf: don't prune branches when a scalar is replaced with a pointer selftests/bpf: add tests for recent bugfixes
arch/powerpc/net/bpf_jit_comp64.c | 6 +- arch/s390/net/bpf_jit_comp.c | 11 +- arch/sparc/net/bpf_jit_comp_64.c | 6 +- include/linux/bpf_verifier.h | 6 +- kernel/bpf/verifier.c | 202 +++++++--- kernel/trace/bpf_trace.c | 19 +- tools/testing/selftests/bpf/test_verifier.c | 549 +++++++++++++++++++++++++++- 7 files changed, 714 insertions(+), 85 deletions(-)