linux-kernel - Re: [PATCH 0/2] riscv, bpf: fix reads of thread

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

Message-ID: <87tt2865w0.fsf@all.your.base.are.belong.to.us>
Date: Fri, 15 Aug 2025 16:01:19 +0200
From: Björn Töpel <bjorn@...nel.org>
To: Radim Krčmář <rkrcmar@...tanamicro.com>,
 bpf@...r.kernel.org
Cc: Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann
 <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai
 Lau <martin.lau@...ux.dev>, Eduard Zingerman <eddyz87@...il.com>, Song Liu
 <song@...nel.org>, Yonghong Song <yonghong.song@...ux.dev>, John Fastabend
 <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Stanislav
 Fomichev <sdf@...ichev.me>, Hao Luo <haoluo@...gle.com>, Jiri Olsa
 <jolsa@...nel.org>, Pu Lehui <pulehui@...wei.com>, Puranjay Mohan
 <puranjay@...nel.org>, Paul Walmsley <paul.walmsley@...ive.com>, Palmer
 Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, Alexandre
 Ghiti <alex@...ti.fr>, Kumar Kartikeya Dwivedi <memxor@...il.com>,
 linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] riscv, bpf: fix reads of thread_info.cpu

Radim!

Radim Krčmář <rkrcmar@...tanamicro.com> writes:

> Hello,
>
> These patches are related to a recently queued series [1] that fixes the
> same bugs in normal code.  That series finishes with a patch that would
> have exposed the BPF bugs, but luckily it won't get merged until v6.18.
>
> I don't know enough about BPF to verify that it emits the correct code
> now, so any pointers are welcome.
>
> 1: https://lore.kernel.org/linux-riscv/20250725165410.2896641-3-rkrcmar@ventanamicro.com/

Apologies for the slow review!

For the series:

Acked-by: Björn Töpel <bjorn@...nel.org>
Tested-by: Björn Töpel <bjorn@...osinc.com> # QEMU