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Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tLbMx-00000003Nbk-3SlW; Thu, 12 Dec 2024 05:04:11 +0000 Date: Thu, 12 Dec 2024 05:04:11 +0000 From: Matthew Wilcox To: "Lai, Yi" Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, David Hildenbrand , syzkaller-bugs@googlegroups.com, yi1.lai@intel.com Subject: Re: There is WARNING in __alloc_frozen_pages_noprof in v6.13-rc2 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: C71E9140008 X-Rspamd-Server: rspam12 X-Stat-Signature: 4ufefanxpofos4s1ui5e7ccktijqdcms X-Rspam-User: X-HE-Tag: 1733979836-459365 X-HE-Meta: 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 zsWyEJuX ToJnsvmgNLYJd17HW/piVpwSOZBK++VrgSVbhG4Cn/Q2a9l+xPata8DIlsuzAWitGFcHQTRL9pVlCuTkcVSTUTnfSWc1IRjQdANMWEotiqQkU4b2fSJGkJCB5xrEA2B09ydMaQg546tyq1lcZIUeyrLta9FwYR3C2TWCQA3f2rH3wfRVuj1+ZzbEiUK1VtSE5Ry98ARYNlObHnLFpCtqy7DiiJa/ctYjT11VvzPOXbcgSC+s6c2x87riHKAlFAxy86C4FZnKNnMdbR3J4JBj9alYDrw== 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 Thu, Dec 12, 2024 at 12:56:09PM +0800, Lai, Yi wrote: > Hi Matthew Wilcox, > > Greetings! > > I used Syzkaller and found that there is WARNING in __alloc_frozen_pages_noprof in linux v6.13-rc2. The bug is in the caller. You should do some initial investigation of the report, not just fire off an email.