From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B19822DF86 for ; Mon, 23 Jun 2025 10:42:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750675381; cv=none; b=q5ydR4OBl3ylm+O5/c0NIUTd+3d+tkbRdNjeffOrN0QySmrYx5lfen15g/IlnPHRlFYl1gm0gYykVXXNLZLUgMXvA263SOB1CKkohy2LeQP9G8ky2rVrC2wVWnoG0R2/gfrhyDd8flbPID7NTnio8Ajx1Ffu2+Q0DUQAJSGgghk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750675381; c=relaxed/simple; bh=OlZAXP14Dv0Zl/IHjji++X3q07BGRxGZC+h6X0X7Ips=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=d2S8K92utRq+eVDSToZ5PBbVKmyxqJS/fiyCd29Mcw4Ld5L+7eyDD9D0ULnq5SFPL9/jX3D+nsuUPsS9cYIq4+x+UQMxIN6PyS/mpfcak7qNatVjW9ZZxG9vElG64G7e5Wydq0rCcU4CqFvFRpPnGp0gpxuQRhKSWWUAOlXt99w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=Hf6/Y30G; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="Hf6/Y30G" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750675378; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=EyhN9DEsVHNjG6Hkwy+ab647Z7bmmNxvZvKCrwuLQjo=; b=Hf6/Y30GDSAaW+Ednf1EArfLDOqwLxzfyka/g461ePdWFb4Evgh/bFc5Z8aMyU8r82k+yj KVLURr2ypK31GxTw2jiUMOZ2HUiS8w7/KvEgjePHFPfX70hHfnqsRoCPNxE9i701s/1cLu 1RCm2tl7bNegW3UkyXy+e/VuG+Oad2k= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-157-RTPGH5nhMaSUTxto5ppOMw-1; Mon, 23 Jun 2025 06:42:57 -0400 X-MC-Unique: RTPGH5nhMaSUTxto5ppOMw-1 X-Mimecast-MFC-AGG-ID: RTPGH5nhMaSUTxto5ppOMw_1750675376 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-4535ad64d30so32160785e9.3 for ; Mon, 23 Jun 2025 03:42:56 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1750675376; x=1751280176; h=content-transfer-encoding:in-reply-to:organization:autocrypt :content-language:from:references:cc:to:subject:user-agent :mime-version:date:message-id:x-gm-message-state:from:to:cc:subject :date:message-id:reply-to; bh=EyhN9DEsVHNjG6Hkwy+ab647Z7bmmNxvZvKCrwuLQjo=; b=wB31MybqgTPy7gSjbyYv5MFtrydRrbmmkyg46opZV5kHyElgAjCXUy/Ne07TTyfMSp wWYjn6gys+/szwwe3bImmjAQiKdpKjih042zS2CzClSOJlsmVUyM+d4RnrwMAwIjC2x9 YU7y6HtsN4rjFI7rIJza8pWKoKck5M2JFp+mECizmU7mZOYKTEKdYMcXBlZ2PzJPTVp5 dHDr5QJAZuMkBe4QnZO9Xnsp7WyVp0hpt/ItgFm99kcqgM4mcCJLlueaNqU157Y1ssMJ ZduPWZfh2aVnpQNRUqJMgyoZ0Z/rOTuNQZspP/2GqK9zUx3w0zHVJRhFtxQgwoVxkxVh scpA== X-Forwarded-Encrypted: i=1; AJvYcCWKtkVoZARnOdBYp5VZ4RXjGVDQNQxGu/fGRBk53RJ00AFxuz8vNjgPdb6gDgoVgSDIzsvsOQ9TL4v43I8=@vger.kernel.org X-Gm-Message-State: AOJu0Yxp0EINY2AIpai+jRYfpfnEcFP/dlaNyNXeuMDapNnJeQ9MESVM Id+e7YRrfWUFgdVLTEgBF9rdZkt9E8UMjwvVLjCvgQsDSc68gNgPJ3P1gCArkr+o0+hPjxJ2ebB RCU4+nmCedTCVMuzbaGyzW33cFi6+tTZPKjgj/b8NlAqF1bXaYgp6Ok4Gr3BnZLMEnQ== X-Gm-Gg: ASbGncuDCfn+s7Mhm/XVeg5ng6scIcPCESxryWvWfXNC3bPGqqfBHFayTJ1YznvY/lp JjT0Czr90czqJ4w2L/JyNekq/vKZB/FFym49FTVqBRElR9NCWkSFlO7RdyHq5QFl5A7GypAO3KW 2MJNWokW/aYKcTGzKlpVykcuqWbdOddM7/Nv7QhQyXNPXE6CEFKBR/slLun2ylu1ag2iCn08zxW fKubiPSefRfQZKOUnoOHjCGLNAWRKWxRQD//FBlle8xKzazqVzE1pMvuHiZelO9AXu59nMcQqBh VssBqQSOhq6N3kx+wAiplCyOT5DrPBTy+7DvWZzI+NFqRSPTXl+byxMi/8xjcgPBwGAJGvDpHrH 1OR1R6NVK7nniGgSq5vrLeCqxeWjIqx+uW1qkxT9+ysNsQi3TCg== X-Received: by 2002:a05:600c:4f05:b0:442:e147:bea7 with SMTP id 5b1f17b1804b1-453659d4e59mr104632455e9.29.1750675375912; Mon, 23 Jun 2025 03:42:55 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHVp4l3ubGdwDrXUOnj703CYW4osa1SswIz9bctk4z/HRlYpzl1dcKzi8W4vclU+XTijn44rA== X-Received: by 2002:a05:600c:4f05:b0:442:e147:bea7 with SMTP id 5b1f17b1804b1-453659d4e59mr104632215e9.29.1750675375489; Mon, 23 Jun 2025 03:42:55 -0700 (PDT) Received: from ?IPV6:2003:d8:2f4e:fd00:8e13:e3b5:90c8:1159? (p200300d82f4efd008e13e3b590c81159.dip0.t-ipconnect.de. [2003:d8:2f4e:fd00:8e13:e3b5:90c8:1159]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4535eac8e19sm139994395e9.21.2025.06.23.03.42.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Jun 2025 03:42:55 -0700 (PDT) Message-ID: <65788262-c3c9-4be0-8097-9232febd09c0@redhat.com> Date: Mon, 23 Jun 2025 12:42:53 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] selftests/mm: Fix validate_addr helper To: Dev Jain , akpm@linux-foundation.org, shuah@kernel.org Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, anshuman.khandual@arm.com, ryan.roberts@arm.com, lorenzo.stoakes@oracle.com, donettom@linux.ibm.com References: <20250620111150.50344-1-dev.jain@arm.com> From: David Hildenbrand Content-Language: en-US Autocrypt: addr=david@redhat.com; keydata= xsFNBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzSREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT7CwZgEEwEIAEICGwMGCwkIBwMCBhUIAgkKCwQW AgMBAh4BAheAAhkBFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl8Ox4kFCRKpKXgACgkQTd4Q 9wD/g1oHcA//a6Tj7SBNjFNM1iNhWUo1lxAja0lpSodSnB2g4FCZ4R61SBR4l/psBL73xktp rDHrx4aSpwkRP6Epu6mLvhlfjmkRG4OynJ5HG1gfv7RJJfnUdUM1z5kdS8JBrOhMJS2c/gPf wv1TGRq2XdMPnfY2o0CxRqpcLkx4vBODvJGl2mQyJF/gPepdDfcT8/PY9BJ7FL6Hrq1gnAo4 3Iv9qV0JiT2wmZciNyYQhmA1V6dyTRiQ4YAc31zOo2IM+xisPzeSHgw3ONY/XhYvfZ9r7W1l pNQdc2G+o4Di9NPFHQQhDw3YTRR1opJaTlRDzxYxzU6ZnUUBghxt9cwUWTpfCktkMZiPSDGd KgQBjnweV2jw9UOTxjb4LXqDjmSNkjDdQUOU69jGMUXgihvo4zhYcMX8F5gWdRtMR7DzW/YE BgVcyxNkMIXoY1aYj6npHYiNQesQlqjU6azjbH70/SXKM5tNRplgW8TNprMDuntdvV9wNkFs 9TyM02V5aWxFfI42+aivc4KEw69SE9KXwC7FSf5wXzuTot97N9Phj/Z3+jx443jo2NR34XgF 89cct7wJMjOF7bBefo0fPPZQuIma0Zym71cP61OP/i11ahNye6HGKfxGCOcs5wW9kRQEk8P9 M/k2wt3mt/fCQnuP/mWutNPt95w9wSsUyATLmtNrwccz63XOwU0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAHCwXwEGAEIACYCGwwWIQQb2cqtc1xMOkYN/MpN3hD3 AP+DWgUCXw7HsgUJEqkpoQAKCRBN3hD3AP+DWrrpD/4qS3dyVRxDcDHIlmguXjC1Q5tZTwNB boaBTPHSy/Nksu0eY7x6HfQJ3xajVH32Ms6t1trDQmPx2iP5+7iDsb7OKAb5eOS8h+BEBDeq 3ecsQDv0fFJOA9ag5O3LLNk+3x3q7e0uo06XMaY7UHS341ozXUUI7wC7iKfoUTv03iO9El5f XpNMx/YrIMduZ2+nd9Di7o5+KIwlb2mAB9sTNHdMrXesX8eBL6T9b+MZJk+mZuPxKNVfEQMQ a5SxUEADIPQTPNvBewdeI80yeOCrN+Zzwy/Mrx9EPeu59Y5vSJOx/z6OUImD/GhX7Xvkt3kq Er5KTrJz3++B6SH9pum9PuoE/k+nntJkNMmQpR4MCBaV/J9gIOPGodDKnjdng+mXliF3Ptu6 3oxc2RCyGzTlxyMwuc2U5Q7KtUNTdDe8T0uE+9b8BLMVQDDfJjqY0VVqSUwImzTDLX9S4g/8 kC4HRcclk8hpyhY2jKGluZO0awwTIMgVEzmTyBphDg/Gx7dZU1Xf8HFuE+UZ5UDHDTnwgv7E th6RC9+WrhDNspZ9fJjKWRbveQgUFCpe1sa77LAw+XFrKmBHXp9ZVIe90RMe2tRL06BGiRZr jPrnvUsUUsjRoRNJjKKA/REq+sAnhkNPPZ/NNMjaZ5b8Tovi8C0tmxiCHaQYqj7G2rgnT0kt WNyWQQ== Organization: Red Hat In-Reply-To: <20250620111150.50344-1-dev.jain@arm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 20.06.25 13:11, Dev Jain wrote: > validate_addr() function checks whether the address returned by mmap() > lies in the low or high VA space, according to whether a high addr hint > was passed or not. The fix commit mentioned below changed the code in > such a way that this function will always return failure when passed > high_addr == 1; addr will be >= HIGH_ADDR_MARK always, we will fall > down to "if (addr < HIGH_ADDR_MARK)" and return failure. Fix this. > > Fixes: d1d86ce28d0f ("selftests/mm: virtual_address_range: conform to TAP format output") > Signed-off-by: Dev Jain > --- > tools/testing/selftests/mm/virtual_address_range.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/mm/virtual_address_range.c b/tools/testing/selftests/mm/virtual_address_range.c > index b380e102b22f..169dbd692bf5 100644 > --- a/tools/testing/selftests/mm/virtual_address_range.c > +++ b/tools/testing/selftests/mm/virtual_address_range.c > @@ -77,8 +77,11 @@ static void validate_addr(char *ptr, int high_addr) > { > unsigned long addr = (unsigned long) ptr; > > - if (high_addr && addr < HIGH_ADDR_MARK) > - ksft_exit_fail_msg("Bad address %lx\n", addr); > + if (high_addr) { > + if (addr < HIGH_ADDR_MARK) > + ksft_exit_fail_msg("Bad address %lx\n", addr); > + return; > + } > > if (addr > HIGH_ADDR_MARK) > ksft_exit_fail_msg("Bad address %lx\n", addr); LGTM, the logic corresponds to the way we would handle it pre d1d86ce28d0f Acked-by: David Hildenbrand -- Cheers, David / dhildenb