From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.216.49 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794544064; b=MOdncxskXs/fDenEgxP/2Sq1My+c7ThCvLPcgVPSUZ7iaaSYSSqhsy7bf1yfqxsLsc6C WzLY8WQCwOSd/Zk38QyunqwkIC71G+w8tJ8MjfAdv6AYSdE1Bc9xxtAglsd+onyjXlxbz 6jiknwMKEk2hypmPLrcF34e+XL9w8saowffvF5KFgw+p8MGtUTl9g/8zDH6gjtADsc7TV ZhL9PaJWvL0BPyrCuL3lbiRY1QJepqOHDB4qsSTNQR4vrf6ls8Jn+R2V9zLu2cnwXb5U/ JYYdftCSd+ABa9GWV8BacIbnONyoacY66Irk0ctorHUGbFaturgv2Q0L8nIZzQm/L2A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794544064; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Content-Type:Date:Message-Id:Cc:Subject:From:To:In-Reply-To: References:Content-Transfer-Encoding:MIME-Version; bh=ddDWPbeZ30rBGVuXwO4qlxfXVwbuSPzUuAr284nFCLY=; b=hYr3CFcOjQSwGvQ1La+KX8qOcA27kwC7E9HO5OgKPqsCBfV1PxdkirfCAoG/9B/vCVps wXFkNq1vJAIcQ4IT/kw/OaShwSeHJcWpsEtnohxE1xFAxEq14DOKv9IIW0uRti43Y5cN5 5NdtPc+l5vO+kaYT9THMKLSkIJ9G/D163lrtQATlQBeX13rcOKWNOjblNV71YzsOVzdbH NFSJ28FR0snVknKfCLB7izCSEzAbxpukqP9n9gHga9xYwZjyog2ZN7CKv2ULpOufJh5vx NxR3bgp+VmYpu04X6TLyLcAXSl4hH4IW7TfVE064rc72y2CfOoaEDX4dc8ktUZAl6pA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=g5OC2FBK; arc=none smtp.remote-ip=209.85.216.49 Received: from mail-pj1-f49.google.com (mail-pj1-f49.google.com [209.85.216.49]) (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 E53B4606A321 for ; Fri, 13 Nov 2026 04:27:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org E53B4606A321 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=g5OC2FBK Received: by mail-pj1-f49.google.com with SMTP id 98e67ed59e1d1-3b0b3438540so536218a91.0 for ; Thu, 12 Nov 2026 20:27:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20260707; t=1794544063; x=1795148863; darn=vger.kernel.org; h=mime-version:content-transfer-encoding:references:in-reply-to:to :from:subject:cc:message-id:date:content-type:from:to:cc:subject :date:message-id:reply-to:content-type; bh=ddDWPbeZ30rBGVuXwO4qlxfXVwbuSPzUuAr284nFCLY=; b=g5OC2FBKh6a9lARx55uhsvz0mvO9Us9QCQuTYJMK6BrZSA7ABICnlS47qVmjB6zbQp ux+7HF4ytLuc8cNznw/K9d15gFSD0owx8ionzMjtroyHHiKRne/axX9Cnjlnsp5Duzgw n+FskRk4hXAO0sQdMRO3WtF3UPp6I30entapgh4jE+tOrNe/yvv3POznAof4GLgj8ILt fPuRqLoASLMsho4HjRVJ8hnVco7G+8mdbRmbkiXzdUBbohNGeGdGdgjrWt1DDWGFhDsH t7grUknwpqEJKiWVDn+OXn+fXE4215PL9yOkwd0RAFaBhGH2xAHzMKFbu2JyZ2AGRRz6 OlVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794544063; x=1795148863; h=mime-version:content-transfer-encoding:references:in-reply-to:to :from:subject:cc:message-id:date:content-type:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=ddDWPbeZ30rBGVuXwO4qlxfXVwbuSPzUuAr284nFCLY=; b=ye4mQKWg6/d+Pu3gSFeDa8tcMXi636Dv7wutj1ZjbXRB0drZQz6sK3vGroSKVNJhIs qIIBEUq1QN8fqzTaDBwTUnEzRP5SRFJu4FM3CcoB1awfScNZCyXQAueH6cyFUWxddnMY Bxn3ubBL3h3ZUxOxWnbNrgEJMd6FNpWMvu8Ac58kGJ09+RymVpfMIt5qjXWwYhwaIPYe 9qMeRkyxt25RSnGM+RhNjviTnT5jOEgQCoOeBZ6ym/f88CopxQYmUHnkCclC/S8s77Y6 uJRSHEQd/Ox6tBjrumlFzJAuCqodlI5sSjxcAe3R4R+YRZ3A1xNXQJcYPs9eVXjaZ+EP 2rUg== X-Forwarded-Encrypted: i=1; AL+hErFQOKT4ccx7HS7mq36E0yfQx+z8TXB8Fh9hmD3LlccDpHrLpfIXomyvgunzjj1YQkmEDFsk8pMhyCtqJYs=@vger.kernel.org X-Gm-Message-State: APuU4Z86TQ9eQ662hG3w3rV2bOu9aktvoV+iy1RJUUP9r6poGpFDZMQQ 2TnvecyG8Qh7L65wyTEBhpZqWnNQwgcthFHA11unqFqpAdzBdzj8G5Sr X-Gm-Gg: AYBFou1Vo6YbGmOfcboMo7peNxUcl9JC9438hv+Im0EYeYBnI8PQnDOSISeU/BuAdbd uKq+rT0ZPVkbYNJ3mYIVQ+ZQTe5VH4gZkj2UxNKd2mkauz7wuO9hvgp3lqSpETlSbjlRnfBgKA3 Nma7ldhrQgdCn0AZKaD8ejzgn+ZlngjP1RlN1QpgjryNErVCglw/etFABNLYYUPMeAIv3VP57U6 FX3X5oP7swwJX2kLPZf/66OZZ+OAgZQm5aFOn9YYiQJPM+E/YvBLmlwSZ32KSlH/kO9YdBy5wt9 nQoK43yynhqPHPAwHJPjqC6QyctLyQGkxZb5C4QiyyDXJjOuSbzkaW9sQM0XsfPfuCXwoQJRpYJ xJAzIsmO8ZxnS2d4geg3XySbFRRUuGabzUbya10g0PmXb2e2scjhyhWcrrqKn2IaRti7BJygMzG PVxFh5Z3U8G6m642q+T41msdkHdUzE4yJKD17Bxt/1yWT73q0NDO24v+VqRYpVqEmOyG2PzAXxz wSs2jKCF42oVItKQJpgOXYEjckrPEckGRIqsCgH/n331qdYsjUcU4NQmTjVWvTulLdYpfTVXVOq wTzO1sAhKeLwPf3X9ddbVSOr1vEA060IIXGq1XXDOjyTNtMm/b0yZaqU3u/vsJLSn8NvqTRbnbq ice5m9eboCRZgkxavEhNq7Ye5C8rFXDJVQg== X-Received: by 2002:a17:90b:4d0b:b0:3a2:b16d:928b with SMTP id 98e67ed59e1d1-3b1b0a48f95mr999049a91.46.1794544063053; Thu, 12 Nov 2026 20:27:43 -0800 (PST) Received: from localhost ([153.61.198.248]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ee0f862426sm4061385ad.46.2026.11.12.20.27.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 12 Nov 2026 20:27:42 -0800 (PST) Content-Type: text/plain; charset=UTF-8 Date: Fri, 13 Nov 2026 04:27:41 +0000 Message-Id: Cc: , Subject: Re: [PATCH bpf 2/2] selftests/bpf: Test that a drained task_vma iterator keeps returning NULL From: "Alexei Starovoitov" To: "Kang Chen" , "Yonghong Song" , "Daniel Borkmann" , "Andrii Nakryiko" , "Eduard Zingerman" , "Kumar Kartikeya Dwivedi" In-Reply-To: <20261113024500.922824-2-k.chen@smail.nju.edu.cn> References: <20261113024500.922824-1-k.chen@smail.nju.edu.cn> <20261113024500.922824-2-k.chen@smail.nju.edu.cn> Content-Transfer-Encoding: 8bit X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 On Thu, Nov 12, 2026 at 06:45 PM Kang Chen wrote: > + addr = (void *)(unsigned long)skel->bss->last_end; > + ctx->addr = mmap(addr, getpagesize(), PROT_READ | PROT_WRITE, > + MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED_NOREPLACE, > + -1, 0); This mmap() fails when the test runs after attach_probe in the same test_progs process. You didn't even test your AI slop :( test_task_vma_iter_next_after_drain:FAIL:mmap new VMA unexpected error: 12 (errno 95) I'm tossing all of your patches out. Submit them all as one patch series and they better be tested this time. pw-bot: cr