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[2003:cb:c741:2200:2adc:9a8d:ae91:2e9f]) by smtp.gmail.com with ESMTPSA id n2-20020a5d4002000000b0033e93e00f68sm12355290wrp.61.2024.03.19.06.32.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 19 Mar 2024 06:32:44 -0700 (PDT) Message-ID: Date: Tue, 19 Mar 2024 14:32:43 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [mm?] WARNING in unmap_page_range (3) To: syzbot , Liam.Howlett@oracle.com, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lstoakes@gmail.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz References: <0000000000007de0cf06140124c0@google.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: <0000000000007de0cf06140124c0@google.com> X-Mimecast-Spam-Score: 1 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4C9AA80006 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: uhrcb7wo8dqtx1c1qgf9rosmhiqq6o6o X-HE-Tag: 1710855169-806851 X-HE-Meta: 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 wqtM4dij LUS875hj3bbNTcyccfe0jd2/YGmmWwfeH7m06Yicym7scxMbQSKOROT32ibxNMTIgeSJxfKfRmv/6ovNd7hprlz7PMvwqKL9XI1cZphzadDrMsuXA/4mAXON6WYIiXPSfZTeXvQyOJqfNpJcXSIbp6e0chpYTbgLb7Kwo+cMU5lMdx0eoy4cv5jxabHqUakjjUBGu7JOWvbPLRA2cu7lQcxrqaS4vmGWY9UcESCnKXFdYh0osuYZjzHOESE04uAQpRm4K0PHeoW5O9zQxYDg3iYDDVIfo3O7HXkXiKeZfXOZtXegdfshjx9luE38aKHUKLf/khVmmE5BOYPcnS/A6hKILwyWtSVu26WU/bl4YCQ5SDiW8Mkss+4Ksn8SuuZZUjiDIB9bBKLT0ThFcd+fNc65xjtu86jq4V7/eBzWh82B5STTCZt6Etyxt5cj10pJcBqxlardc9A3n79KrGY7uFIv2UQ== 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 19.03.24 11:43, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: e5eb28f6d1af Merge tag 'mm-nonmm-stable-2024-03-14-09-36' .. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1383c6c9180000 > kernel config: https://syzkaller.appspot.com/x/.config?x=4ffb854606e658d > dashboard link: https://syzkaller.appspot.com/bug?extid=e145145f0c83d4deb8fa > compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14583abe180000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14298231180000 > > Downloadable assets: > disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-e5eb28f6.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/a5c7ad05d6b2/vmlinux-e5eb28f6.xz > kernel image: https://storage.googleapis.com/syzbot-assets/531cb1917612/bzImage-e5eb28f6.xz > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > Reported-by: syzbot+e145145f0c83d4deb8fa@syzkaller.appspotmail.com > > WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_present_ptes mm/memory.c:1539 [inline] > WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_pte_range mm/memory.c:1603 [inline] > WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_pmd_range mm/memory.c:1720 [inline] > WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_pud_range mm/memory.c:1749 [inline] > WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 zap_p4d_range mm/memory.c:1770 [inline] > WARNING: CPU: 2 PID: 5169 at mm/memory.c:1539 unmap_page_range+0x2a54/0x3bf0 mm/memory.c:1791 Fix is already on its way upstream: https://lkml.kernel.org/r/20240313213107.235067-1-peterx@redhat.com Should shortly appear at mm-hotfixes-unstable. #syz fix: mm/memory: Fix missing pte marker for !page on pte zaps -- Cheers, David / dhildenb