From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=95.215.58.88 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794190515; b=RggaUg68/W9gmrtNvSbKquJXeVUVq9Oft+/4iS1KuztCCPiavx7QmYGg4mzW7+d35rC3 2tz4lqcDz0mdSYHZNIPEH40zuIYvdvBu8Qqp6kyM1+e937Nwr/SB7ZeHAengUWV1sfbPJ Idm1IFy1ugBjUumbaSNq8/a/STPECs7EhWKWNcfQpFW86Sj99S7oFEa/Iq1KIGVCc0I5k YIcJUsSO2Cf5uhDmCaXHUifETOFjrJbGNlDh3CkCsNuSeGJYhvw0UCzIKqyPE35CWLK+F PVompzU0qjLajP7rDR3wNthkc8vnRnRyuRj3VTNs7M17qSTHIZzfbMg5fxFzjE26DSA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794190515; h=DMARC-Filter:X-Envelope-To:DKIM-Signature:X-Envelope-To:Received: X-Mizu-Trace-ID:X-Migadu-Flow:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding; bh=bIloYSK3+4K/KkpgHLmr3ED9jzQvebQcrpQM//1CZGo=; b=ff89Z+0poLqNsWh57pNveEBo7DoQuZtiOXFp7SIZj3rY00FtkGRmTp4Ib0EgI/EasPLP pVbas+eGu3CvnNLooS/C7FIFXe36tYOQBSTe3xptaHOXJiLouYI0oZ6rKTfNpldQG8D2E RhFo5wCwSdotN0RvyUkEnIxupGGgJPhIHiwJzQgqt9J2Zwc389lpQA/z+u4VX1+B3ULqY 7K3Ksc5tjcxUMpWXlUgrqRLWK9ldN3rhs2q+X4Q3f80CEJnB3dpccQWhbPLcVGJEKNPHJ z/FtPtXQ+C66BeGMgSKkvwbCBTx8TxaJVvlvrOhd5PWZMwptajGqpLRoUyACaFIXXug== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=Xa1Jr9pq; arc=none smtp.remote-ip=95.215.58.88 Received: from mta1.migadu.com (out-88.mta1.migadu.com [95.215.58.88]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C28BB606A326 for ; Mon, 9 Nov 2026 02:15:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org C28BB606A326 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256 header.s=key1 header.b=Xa1Jr9pq X-Envelope-To: netdev@vger.kernel.org DKIM-Signature: a=rsa-sha256; bh=8n8V1yRl+iYZ7zK/bT1eTEsTmfpO4TUveKPsBFyRf8k=; c=simple/simple; d=linux.dev; h=from:to:subject:date:message-id:mime-version:content-type; s=key1; t=1794190511; v=1; x=1794795311; b=Xa1Jr9pqz1vr1rqOZrFS0+WmpycF+gQF5QftMAeWPB9sFvpuO4IeHLZLxsBioaslsF2tXWUH 64HHIz9xOEMmMctAASxPTKtUGNKqcuxlQSNGlNGKU7HN3Yecn/SoQRS9vWLWaKb2FzCUZ5mPR+3 aEOTp+nUxZJiQVqxrg2/+1F4= X-Envelope-To: netdev@vger.kernel.org Received: by smtp.migadu.com with ESMTPS id e4b351546fe3877f; Mon, 09 Nov 2026 02:15:07 +0000 X-Mizu-Trace-ID: e4b351546fe3877f X-Migadu-Flow: FLOW_OUT Message-ID: <65d109ab-3dca-4521-bc1d-bb1f8810bb14@linux.dev> Date: Mon, 9 Nov 2026 10:14:57 +0800 X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH bpf-next v3 1/8] selftests/bpf: Remove sockmap update from bpf_iter_unix To: Michal Luczaj , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Eduard Zingerman , Kumar Kartikeya Dwivedi , Martin KaFai Lau , Song Liu , Yonghong Song , Jiri Olsa , Emil Tsalapatis , Ihor Solodrai , Shuah Khan , John Fastabend , Eric Dumazet , Kuniyuki Iwashima , Paolo Abeni , Willem de Bruijn , Jakub Sitnicki , Jiayuan Chen , "David S. Miller" , Jakub Kicinski , Simon Horman , Jonathan Corbet , Shuah Khan , Randy Dunlap , Stanislav Fomichev Cc: bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-doc@vger.kernel.org References: <20261107-sockmap-update-limit-iter-v3-0-7c0bad1ad036@rbox.co> <20261107-sockmap-update-limit-iter-v3-1-7c0bad1ad036@rbox.co> From: Jiayuan Chen In-Reply-To: <20261107-sockmap-update-limit-iter-v3-1-7c0bad1ad036@rbox.co> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/8/26 1:58 AM, Michal Luczaj wrote: > BPF iterator programs that can update sockmaps will be limited to > iter/sockmap. Remove the update from the unix selftest. > > This reverts commit 997b8483d44c ("selftests/bpf: Extend bpf_iter_unix to > attempt deadlocking"). > > Signed-off-by: Michal Luczaj Reviewed-by: Jiayuan Chen > --- > tools/testing/selftests/bpf/progs/bpf_iter_unix.c | 10 ---------- > 1 file changed, 10 deletions(-) > > diff --git a/tools/testing/selftests/bpf/progs/bpf_iter_unix.c b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c > index 3061b148f338..90beada0386d 100644 > --- a/tools/testing/selftests/bpf/progs/bpf_iter_unix.c > +++ b/tools/testing/selftests/bpf/progs/bpf_iter_unix.c > @@ -7,13 +7,6 @@ > > char _license[] SEC("license") = "GPL"; > > -SEC(".maps") struct { > - __uint(type, BPF_MAP_TYPE_SOCKMAP); > - __uint(max_entries, 1); > - __type(key, __u32); > - __type(value, __u64); > -} sockmap; > - > static long sock_i_ino(const struct sock *sk) > { > const struct socket *sk_socket = sk->sk_socket; > @@ -82,8 +75,5 @@ int dump_unix(struct bpf_iter__unix *ctx) > > BPF_SEQ_PRINTF(seq, "\n"); > > - /* Test for deadlock. */ > - bpf_map_update_elem(&sockmap, &(int){0}, sk, 0); > - > return 0; > } >