From: KaFai Wan <kafai.wan@linux.dev>
To: ast@kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com,
andrii@kernel.org, martin.lau@linux.dev, eddyz87@gmail.com,
song@kernel.org, yonghong.song@linux.dev, kpsingh@kernel.org,
sdf@fomichev.me, haoluo@google.com, jolsa@kernel.org,
shuah@kernel.org, paul.chaignon@gmail.com, m.shachnai@gmail.com,
luis.gerhorst@fau.de, colin.i.king@gmail.com,
harishankar.vishwanathan@gmail.com, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Cc: KaFai Wan <kafai.wan@linux.dev>
Subject: [PATCH bpf-next 0/2] bpf: Skip bounds adjustment for conditional jumps on same register
Date: Thu, 23 Oct 2025 00:44:55 +0800 [thread overview]
Message-ID: <20251022164457.1203756-1-kafai.wan@linux.dev> (raw)
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
next reply other threads:[~2025-10-22 16:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-22 16:44 KaFai Wan [this message]
2025-10-22 16:44 ` [PATCH bpf-next 1/2] bpf: Skip bounds adjustment for conditional jumps on same register KaFai Wan
2025-10-22 18:14 ` Yonghong Song
2025-10-22 19:46 ` Eduard Zingerman
2025-10-22 20:12 ` Alexei Starovoitov
2025-10-22 20:30 ` Eduard Zingerman
2025-10-22 20:34 ` Alexei Starovoitov
2025-10-23 11:26 ` KaFai Wan
2025-10-23 17:38 ` Eduard Zingerman
2025-10-24 16:13 ` KaFai Wan
2025-10-24 16:21 ` Eduard Zingerman
2025-10-24 16:37 ` KaFai Wan
2025-10-24 16:40 ` Alexei Starovoitov
2025-10-24 16:53 ` KaFai Wan
2025-10-22 16:44 ` [PATCH bpf-next 2/2] selftests/bpf: Add test " KaFai Wan
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