linux-kernel - Re: [PATCH bpf] bpf: verifier: support BPF_LOAD_ACQ in insn_def

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Message-ID: <m2v7ptd8dk.fsf@gmail.com>
Date: Wed, 21 May 2025 13:19:35 -0700
From: Eduard Zingerman <eddyz87@...il.com>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: Peilin Ye <yepeilin@...gle.com>,  Puranjay Mohan <puranjay@...nel.org>,
  Alexei Starovoitov <ast@...nel.org>,  Daniel Borkmann
 <daniel@...earbox.net>,  John Fastabend <john.fastabend@...il.com>,
  Andrii Nakryiko <andrii@...nel.org>,  Martin KaFai Lau
 <martin.lau@...ux.dev>,  Song Liu <song@...nel.org>,  Yonghong Song
 <yonghong.song@...ux.dev>,  KP Singh <kpsingh@...nel.org>,  Stanislav
 Fomichev <sdf@...gle.com>,  Hao Luo <haoluo@...gle.com>,  Jiri Olsa
 <jolsa@...nel.org>,  bpf <bpf@...r.kernel.org>,  LKML
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH bpf] bpf: verifier: support BPF_LOAD_ACQ in
 insn_def_regno()

Alexei Starovoitov <alexei.starovoitov@...il.com> writes:

[...]

> I suspect it was already fixed by commit
> fce7bd8e385a ("bpf/verifier: Handle BPF_LOAD_ACQ instructions in
> insn_def_regno()")

I see, series [1] is not a part of the tag [2] tested by syzbot, thank you.

[1] "bpf, riscv64: Support load-acquire and store-release instructions"
    https://lore.kernel.org/all/cover.1746588351.git.yepeilin@google.com/
[2] 172a9d94339c ("Merge tag '6.15-rc6-smb3-client-fixes'")