netdev - Re: [PATCH bpf-next v2 10/15] selftests/bpf: Dump skb metadata on verification failure

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: <87qzutvr6z.fsf@cloudflare.com>
Date: Thu, 23 Oct 2025 12:38:12 +0200
From: Jakub Sitnicki <jakub@...udflare.com>
To: Martin KaFai Lau <martin.lau@...ux.dev>
Cc: "David S. Miller" <davem@...emloft.net>,  Eric Dumazet
 <edumazet@...gle.com>,  Jakub Kicinski <kuba@...nel.org>,  Paolo Abeni
 <pabeni@...hat.com>,  Simon Horman <horms@...nel.org>,  Daniel Borkmann
 <daniel@...earbox.net>,  John Fastabend <john.fastabend@...il.com>,
  Stanislav Fomichev <sdf@...ichev.me>,  Alexei Starovoitov
 <ast@...nel.org>,  Andrii Nakryiko <andrii@...nel.org>,  Eduard Zingerman
 <eddyz87@...il.com>,  Song Liu <song@...nel.org>,  Yonghong Song
 <yonghong.song@...ux.dev>,  KP Singh <kpsingh@...nel.org>,  Hao Luo
 <haoluo@...gle.com>,  Jiri Olsa <jolsa@...nel.org>,  Arthur Fabre
 <arthur@...hurfabre.com>,  bpf@...r.kernel.org,  netdev@...r.kernel.org,
  kernel-team@...udflare.com
Subject: Re: [PATCH bpf-next v2 10/15] selftests/bpf: Dump skb metadata on
 verification failure

On Wed, Oct 22, 2025 at 04:30 PM -07, Martin KaFai Lau wrote:
> On 10/19/25 5:45 AM, Jakub Sitnicki wrote:
>> diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
>> index 93a1fbe6a4fd..a3de37942fa4 100644
>> --- a/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
>> +++ b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
>> @@ -171,6 +171,25 @@ static int write_test_packet(int tap_fd)
>>   	return 0;
>>   }
>>   +enum {
>> +	BPF_STDOUT = 1,
>> +	BPF_STDERR = 2,
>
> There is BPF_STREAM_STDERR in uapi/bpf.h

How did I miss that? Thanks.