From: Kumar Kartikeya Dwivedi <memxor@gmail.com>
To: bpf@vger.kernel.org
Cc: Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Eduard Zingerman <eddyz87@gmail.com>,
Emil Tsalapatis <emil@etsalapatis.com>,
kkd@meta.com, kernel-team@meta.com
Subject: [PATCH bpf-next v1 0/2] Reject invalid LDSX instruction in disassembler
Date: Thu, 20 Aug 2026 04:20:17 +0200 [thread overview]
Message-ID: <20260820022020.3450479-1-memxor@gmail.com> (raw)
Reject invalid LDSX insn encoding in print_bpf_insn. This was reported
by syzbot in [0]. See commit logs for details.
[0]: https://lore.kernel.org/bpf/6a86596a.ae6ddae5.3da009.0015.GAE@google.com
Kumar Kartikeya Dwivedi (2):
bpf: Reject invalid LDSX instruction in disassembly
selftests/bpf: Test invalid DW LDSX diagnostics
kernel/bpf/disasm.c | 3 ++-
tools/testing/selftests/bpf/progs/verifier_cfg.c | 14 ++++++++++++++
2 files changed, 16 insertions(+), 1 deletion(-)
base-commit: f79066c784022fda83f5936559a1af414e41b603
--
2.53.0
next reply other threads:[~2026-08-20 2:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-20 2:20 Kumar Kartikeya Dwivedi [this message]
2026-08-20 2:20 ` [PATCH bpf-next v1 1/2] bpf: Reject invalid LDSX instruction in disassembly Kumar Kartikeya Dwivedi
2026-08-20 5:23 ` Jiayuan Chen
2026-08-20 2:20 ` [PATCH bpf-next v1 2/2] selftests/bpf: Test invalid DW LDSX diagnostics Kumar Kartikeya Dwivedi
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