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[2003:cb:c708:7900:b88e:c72a:abbd:d3d9]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432aa709ec7sm62306215e9.35.2024.11.07.05.24.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 07 Nov 2024 05:24:49 -0800 (PST) Message-ID: Date: Thu, 7 Nov 2024 14:24:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] mm: fix a possible null pointer dereference in setup_zone_pageset() To: Qiu-ji Chen Cc: akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, baijiaju1990@gmail.com, stable@vger.kernel.org References: <20241107124116.579108-1-chenqiuji666@gmail.com> <00d84e12-4c14-4a6b-a5cd-83d81ac90855@redhat.com> From: David Hildenbrand 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: X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: 3HKqebciXn0CpzWdYO_wphbO6zKY7S9ttK--Ar-r5Ow_1730985891 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Stat-Signature: 88qn1keohm5j36ddtuccrkmr7qoi1jr3 X-Rspamd-Queue-Id: A1D3318000F X-Rspamd-Server: rspam08 X-Rspam-User: X-HE-Tag: 1730985858-338276 X-HE-Meta: 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 zfzOrwWf F6I25EhXvSfYZ5jndlPLnjiISupv38RObRAl6WydT52P1VZz0GNhBoV8F+rExEbmC4oGtdFGc2tXuk3ImS4xRWIfFqzo8gYImlNoOey6KpgqTH/K/LAB8/h52YGupj33vPMc+r0Exoq2vvuQGZIMfQ0k3gtp+64CsGpk8qlam0D2W437pK/2xRQLN2CxUJS4gxGlMFDoO015H1f+bcc6S9pD2Twgcij6W4TntSOjH3AXO7WQU6gvEzDw8qYeJ13FIa0D8qcb21iLBuHAtLiwrViMcqy+WMeSu4U+JBCOlZyd945U2VctzkiIkDdjSCR8l/rUoh4/Dk/JGYjCwga7EX9XV7Z3Jih6XtERbBG2z7Ka/qWKZ2Fnsvwi4p+BxsZmuRiO03TaB9LHOlQGP9j02k/qKod+ftctHtlo3X7FBxjKmurexGGoi+PprGmftibCqjYG7 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 07.11.24 14:09, Qiu-ji Chen wrote: > Hello, the previous patch did not correctly check and release the > relevant pointers. Version 2 has fixed these issues. Thank you for > your response. I'm afraid I'm missing how my review feedback was addresses :/ -- Cheers, David / dhildenb