linux-kernel - Re: [PATCH RFC bpf-next v3 00/16] sleepable bpf_timer (was: allow HID-BPF to do device IOs)

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]

Date: Fri, 23 Feb 2024 20:42:51 +0100
From: Benjamin Tissoires <bentiss@...nel.org>
To: Eduard Zingerman <eddyz87@...il.com>
Cc: 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>, Jiri Kosina <jikos@...nel.org>, 
	Benjamin Tissoires <benjamin.tissoires@...hat.com>, Jonathan Corbet <corbet@....net>, Shuah Khan <shuah@...nel.org>, 
	bpf@...r.kernel.org, linux-kernel@...r.kernel.org, linux-input@...r.kernel.org, 
	linux-doc@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH RFC bpf-next v3 00/16] sleepable bpf_timer (was: allow
 HID-BPF to do device IOs)

Hi,

On Feb 23 2024, Eduard Zingerman wrote:
> On Wed, 2024-02-21 at 17:25 +0100, Benjamin Tissoires wrote:
> > [Partly a RFC/formal submission: there are still FIXMEs in the code]
> > [Also using bpf-next as the base tree for HID changes as there will
> > be conflicting changes otherwise, so I'm personaly fine for the HID
> > commits to go through bpf-next]
> 
> [...]
> 
> Could you please also add verifier selftests, e.g. extend
> tools/testing/selftests/bpf/progs/timer.c       (bpf side)
> tools/testing/selftests/bpf/prog_tests/timer.c  (userspace side triggering
>                                                  bpf side)
> Negative tests could be added in
> tools/testing/selftests/bpf/progs/timer_failure.c
> 
> Please let me know if you need any help setting up local BPF test
> environment, I have a short writeup on how to set it up in chroot.

Thanks a lot for your review (and Alexei's). I was actually off today
and will be off next Monday too, but I'll work on those tests next week.

Cheers,
Benjamin