linux-kernel - [PATCH bpf-next 0/2] bpf: Skip bounds adjustment for conditional jumps on same register

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Message-ID: <20251022164457.1203756-1-kafai.wan@linux.dev>
Date: Thu, 23 Oct 2025 00:44:55 +0800
From: KaFai Wan <kafai.wan@...ux.dev>
To: ast@...nel.org,
	daniel@...earbox.net,
	john.fastabend@...il.com,
	andrii@...nel.org,
	martin.lau@...ux.dev,
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	harishankar.vishwanathan@...il.com,
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Cc: KaFai Wan <kafai.wan@...ux.dev>
Subject: [PATCH bpf-next 0/2] bpf: Skip bounds adjustment for conditional jumps on same register

This small patchset is about avoid verifier bug warning when conditional
 jumps on same register when the register holds a scalar with range.

---
KaFai Wan (2):
  bpf: Skip bounds adjustment for conditional jumps on same register
  selftests/bpf: Add test for conditional jumps on same register

 kernel/bpf/verifier.c                           |  4 ++++
 .../selftests/bpf/progs/verifier_bounds.c       | 17 +++++++++++++++++
 2 files changed, 21 insertions(+)

-- 
2.43.0