[PATCH bpf-next v2 0/2] bpf: Fix a umin > umax reg bound error

From: Xu Kuohai xukuohai@huawei.com

This patchset fixes a umin > umax reg bound error and adds cases for it.

v2: 1. add bound check to avoid min > max 2. update 32-bit reg min/max when 64-bit reg value is a constant 3. add Fixes tag

v1: https://lore.kernel.org/bpf/20230307220449.2933650-1-xukuohai@huaweicloud.co...

Xu Kuohai (2): bpf: Fix a umin > umax reg bound error selftests/bpf: check bounds not in the 32-bit range

kernel/bpf/verifier.c | 143 ++++++++++++------ tools/testing/selftests/bpf/verifier/bounds.c | 121 +++++++++++++++ 2 files changed, 214 insertions(+), 50 deletions(-)