linux-kernel - [PATCH bpf-next v2 0/2] bpf: Fix tnum_overlap to check for zero mask intersection

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Message-ID: <20251028151938.3872003-1-kafai.wan@linux.dev>
Date: Tue, 28 Oct 2025 23:19:36 +0800
From: KaFai Wan <kafai.wan@...ux.dev>
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Subject: [PATCH bpf-next v2 0/2] bpf: Fix tnum_overlap to check for zero mask intersection

This small patchset is about avoid verifier bug warning when tnum_overlap()
is called with zero mask intersection.

v2:
 - fix runtime error

v1:
 https://lore.kernel.org/all/20251026163806.3300636-1-kafai.wan@linux.dev/
---
KaFai Wan (2):
  bpf: Fix tnum_overlap to check for zero mask intersection
  selftests/bpf: Range analysis test case for JEQ

 kernel/bpf/tnum.c                             |  2 ++
 .../selftests/bpf/progs/verifier_bounds.c     | 23 +++++++++++++++++++
 2 files changed, 25 insertions(+)

-- 
2.43.0