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b=LrycyGjIrIXcGLNm/T8fl7Sm2eAY6n0zsZM03x18+ptT7Tj1pqAs6M1XkN7BJdwg8 sikW82Z2UYBMvm4LM3JSBnrnPeMi8YeYLY+CoFKTnBFA9btphS/KRTcKaNPJbBBMCz yxICtZvdDPnacHXm7OS/wbduxp9+bLVg33syxwOMGTvlXzKvdJezNLJDmtL6tXoPLM 1aUGGYcKiv9n1h5I2mFDiC0iotbUYEKVhLs5dH94vNMGqmRtsxXpGHHkXzswa8L3KM ODUB0calS3m01Go2GVeXy75N33tMH1idjeGVAZcID4TR0rfQ1f7ut44THWB9KcY+Oa a2w5+xuMH+/0g== Date: Thu, 19 Mar 2026 10:53:43 +0000 From: "Lorenzo Stoakes (Oracle)" To: Jiakai Xu Cc: Liam.Howlett@oracle.com, akpm@linux-foundation.org, david@kernel.org, harry.yoo@oracle.com, jannh@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, riel@surriel.com, sashal@kernel.org, vbabka@kernel.org Subject: Re: [BUG] WARNING in unlink_anon_vmas() Message-ID: <999476e7-6a68-453f-95ca-7badae20b617@lucifer.local> References: <390a3cfa-661d-495e-88ad-eeebf4bc39f7@lucifer.local> <20260319011633.1874-1-jiakaiPeanut@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260319011633.1874-1-jiakaiPeanut@gmail.com> X-Rspamd-Queue-Id: 31A3C180002 X-Stat-Signature: 9xm5jy11uh9gfmbm1fje4jfacqso73m7 X-Rspam-User: X-Rspamd-Server: rspam06 X-HE-Tag: 1773917629-464622 X-HE-Meta: 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 URTLWtwC sYIntkVT2IRzCILnBpRRUPN5lvMbYtcEtSyctVo6vbHMR6GAmbuZOquRXWGDXz8677+FlrHpnQOAhe9P2HC6vCCohTXKARjYyeH23ri2LIwWRsEmHZqODduPPkJX09/HLdYGhZMo9LdPGiO2TN9FhgTWUz/z82pCuG9O3OCOKhxB/GdS+2OXAKMaXx/iBZlnUG0MHCu7gJfR4Ej0nue6mIhXC5QC5AUXjc8N+GFGClQyG+bGeVbj36AJSHggPKGLAdDRcJ26XhO+eCK1J13J6uPMymoUKi8sRlCZZnZeHkqoh+Z2E6GfcD4HQQbjmp+V9foJxmi30PcDjh8g= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, Mar 19, 2026 at 09:16:33AM +0800, Jiakai Xu wrote: > > Fix at > > https://lore.kernel.org/linux-mm/20260318122632.63404-1-ljs@kernel.org/ > > Thank you for the quick investigation and fix. > > > > > We like to turn things around quick in mm ;) > > > > Could you check to make sure that fixes the issue? If so could you reply to > > that email with: > > > > Tested-by: Jiakai Xu > > I tested the patch on my setup with the reproducer that originally > triggered the WARNING in unlink_anon_vmas(), and the issue no longer > reproduces. Perfect, much appreciated! :) Thanks again for submitting the bug, it's been very helpful in ensuring this issue is addressed in an -rc rather than in a released kernel. > > Best regards, > Jiakai Thanks, Lorenzo