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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251026163806.3300636-1-kafai.wan@linux.dev>
Date: Mon, 27 Oct 2025 00:38:04 +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,
	eddyz87@...il.com,
	song@...nel.org,
	yonghong.song@...ux.dev,
	kpsingh@...nel.org,
	sdf@...ichev.me,
	haoluo@...gle.com,
	jolsa@...nel.org,
	shuah@...nel.org,
	paul.chaignon@...il.com,
	m.shachnai@...il.com,
	memxor@...il.com,
	harishankar.vishwanathan@...il.com,
	colin.i.king@...il.com,
	kafai.wan@...ux.dev,
	luis.gerhorst@....de,
	shung-hsi.yu@...e.com,
	bpf@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org
Subject: [PATCH bpf-next 0/2] bpf: Fix tnum_overlap to check for zero mask first

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

---
KaFai Wan (2):
  bpf: Fix tnum_overlap to check for zero mask first
  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