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b=M87GVt0op0cOWVFk+tFWcrm8TrcbedF7DeBnwyT8lgMWIsiK4r8n+rXttk73jxkge d4B4z7Kerd43S3Oc3qwwKqnld3me9RXV9lFBcWya2N37p0Wa9HCbt7qhlsVNrXyUHZ drv+c2aQB6wyEMm3CoilddIL+FGQdEp0Blt6FLky1zQh8qsNPQUHdq/0d2gkpAUn1p +QbGZScd0MjKdBHY3+Fbf65nkX3VShTSY0Ph/9jMJK0LYeORR/iiTWq60h1waIffS9 DJ1vAIdM1Vu6Pax9nINvqHUgvW/GpmjYcr6mpJui2LphwLGptjRaWfYhpxrYYGVDGM D+QcYPRlJKhDw== Message-ID: Date: Tue, 21 Apr 2026 16:06:24 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [BUG] WARNING in workingset_activation triggered by KVM page fault path on Linux 7.0.0-08391-g1d51b370a0f8 To: Zw Tang , linux-mm@kvack.org, akpm@linux-foundation.org, hannes@cmpxchg.org Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, pbonzini@redhat.com, seanjc@google.com References: From: "David Hildenbrand (Arm)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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 B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABzS5EYXZpZCBIaWxk ZW5icmFuZCAoQ3VycmVudCkgPGRhdmlkQGtlcm5lbC5vcmc+wsGQBBMBCAA6AhsDBQkmWAik AgsJBBUKCQgCFgICHgUCF4AWIQQb2cqtc1xMOkYN/MpN3hD3AP+DWgUCaYJt/AIZAQAKCRBN 3hD3AP+DWriiD/9BLGEKG+N8L2AXhikJg6YmXom9ytRwPqDgpHpVg2xdhopoWdMRXjzOrIKD g4LSnFaKneQD0hZhoArEeamG5tyo32xoRsPwkbpIzL0OKSZ8G6mVbFGpjmyDLQCAxteXCLXz ZI0VbsuJKelYnKcXWOIndOrNRvE5eoOfTt2XfBnAapxMYY2IsV+qaUXlO63GgfIOg8RBaj7x 3NxkI3rV0SHhI4GU9K6jCvGghxeS1QX6L/XI9mfAYaIwGy5B68kF26piAVYv/QZDEVIpo3t7 /fjSpxKT8plJH6rhhR0epy8dWRHk3qT5tk2P85twasdloWtkMZ7FsCJRKWscm1BLpsDn6EQ4 jeMHECiY9kGKKi8dQpv3FRyo2QApZ49NNDbwcR0ZndK0XFo15iH708H5Qja/8TuXCwnPWAcJ DQoNIDFyaxe26Rx3ZwUkRALa3iPcVjE0//TrQ4KnFf+lMBSrS33xDDBfevW9+Dk6IISmDH1R HFq2jpkN+FX/PE8eVhV68B2DsAPZ5rUwyCKUXPTJ/irrCCmAAb5Jpv11S7hUSpqtM/6oVESC 3z/7CzrVtRODzLtNgV4r5EI+wAv/3PgJLlMwgJM90Fb3CB2IgbxhjvmB1WNdvXACVydx55V7 LPPKodSTF29rlnQAf9HLgCphuuSrrPn5VQDaYZl4N/7zc2wcWM7BTQRVy5+RARAA59fefSDR 9nMGCb9LbMX+TFAoIQo/wgP5XPyzLYakO+94GrgfZjfhdaxPXMsl2+o8jhp/hlIzG56taNdt VZtPp3ih1AgbR8rHgXw1xwOpuAd5lE1qNd54ndHuADO9a9A0vPimIes78Hi1/yy+ZEEvRkHk /kDa6F3AtTc1m4rbbOk2fiKzzsE9YXweFjQvl9p+AMw6qd/iC4lUk9g0+FQXNdRs+o4o6Qvy iOQJfGQ4UcBuOy1IrkJrd8qq5jet1fcM2j4QvsW8CLDWZS1L7kZ5gT5EycMKxUWb8LuRjxzZ 3QY1aQH2kkzn6acigU3HLtgFyV1gBNV44ehjgvJpRY2cC8VhanTx0dZ9mj1YKIky5N+C0f21 zvntBqcxV0+3p8MrxRRcgEtDZNav+xAoT3G0W4SahAaUTWXpsZoOecwtxi74CyneQNPTDjNg azHmvpdBVEfj7k3p4dmJp5i0U66Onmf6mMFpArvBRSMOKU9DlAzMi4IvhiNWjKVaIE2Se9BY FdKVAJaZq85P2y20ZBd08ILnKcj7XKZkLU5FkoA0udEBvQ0f9QLNyyy3DZMCQWcwRuj1m73D sq8DEFBdZ5eEkj1dCyx+t/ga6x2rHyc8Sl86oK1tvAkwBNsfKou3v+jP/l14a7DGBvrmlYjO 59o3t6inu6H7pt7OL6u6BQj7DoMAEQEAAcLBfAQYAQgAJgIbDBYhBBvZyq1zXEw6Rg38yk3e EPcA/4NaBQJonNqrBQkmWAihAAoJEE3eEPcA/4NaKtMQALAJ8PzprBEXbXcEXwDKQu+P/vts IfUb1UNMfMV76BicGa5NCZnJNQASDP/+bFg6O3gx5NbhHHPeaWz/VxlOmYHokHodOvtL0WCC 8A5PEP8tOk6029Z+J+xUcMrJClNVFpzVvOpb1lCbhjwAV465Hy+NUSbbUiRxdzNQtLtgZzOV Zw7jxUCs4UUZLQTCuBpFgb15bBxYZ/BL9MbzxPxvfUQIPbnzQMcqtpUs21CMK2PdfCh5c4gS sDci6D5/ZIBw94UQWmGpM/O1ilGXde2ZzzGYl64glmccD8e87OnEgKnH3FbnJnT4iJchtSvx yJNi1+t0+qDti4m88+/9IuPqCKb6Stl+s2dnLtJNrjXBGJtsQG/sRpqsJz5x1/2nPJSRMsx9 5YfqbdrJSOFXDzZ8/r82HgQEtUvlSXNaXCa95ez0UkOG7+bDm2b3s0XahBQeLVCH0mw3RAQg r7xDAYKIrAwfHHmMTnBQDPJwVqxJjVNr7yBic4yfzVWGCGNE4DnOW0vcIeoyhy9vnIa3w1uZ 3iyY2Nsd7JxfKu1PRhCGwXzRw5TlfEsoRI7V9A8isUCoqE2Dzh3FvYHVeX4Us+bRL/oqareJ CIFqgYMyvHj7Q06kTKmauOe4Nf0l0qEkIuIzfoLJ3qr5UyXc2hLtWyT9Ir+lYlX9efqh7mOY qIws/H2t In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: EC3D84001B X-Stat-Signature: fktxznt6i8797p81rwtdgny9kthja9ou X-Rspam-User: X-HE-Tag: 1776780389-382455 X-HE-Meta: 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 q1IqdSR+ jsgTyn4RCRrhKxzIgriX0cwsWgOMwJxP2wtsve3M/d73BVxpj3OSKoXm3nEodQej6WKXo0Wjz+i8xU733YI0EojrGJU+ZXEaL9tRtz+kZVxhweDwrSGe3S5xWkF9bMD1NHHOqg/LVfI34N2FlQ2VKJPGmHrXWLB1qMsI+MR9cDmFK6UITXZMyDvWIrC6+7Sejhv/mqQRdEmkjrt0ZYFFcBbTX+sECwgrc6EET/xSrdCecc0ssKchB4kcpSM1m0bPp7NIXRlu6K/+g8h41V+GoTN4ilAZ413xswUAaFz6kLaqQGdY00Kbr2Onf/BiHqqqBTlgiiVYNhNaZXwk= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/21/26 13:17, Zw Tang wrote: > Hi, > > I am reporting a WARNING in workingset_activation() triggered by a > syzkaller C reproducer on Linux 7.0.0-08391-g1d51b370a0f8. g1d51b370a0f8 is not a known git commit id. Do you have an upstream git commit where the line number include/linux/memcontrol.h:381 makes sense? -- Cheers, David