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b=DyL9QH92nFivkqSoVwg+5QuGmkfoNOkl8LqwiZfabUFEw78GFh5GqBly/EmJKKUuN cLySKH7548j4QUJf4/1UBcjPb1VIt3ull8LMTtN/1aSpzvtW22mFEo6Dzs4zbgPhQj xgDLkAYuKEzUz2HkckVkk/O0ggDj0BdumdxunLjA= Date: Thu, 30 Oct 2025 18:36:21 -0700 From: Andrew Morton To: Big Sleep Cc: Mike Rapoport , linux-mm@kvack.org, linux-kernel@vger.kernel.org, "Matthew Wilcox (Oracle)" , Lorenzo Stoakes Subject: Re: Oops in secretmem_fault() Message-Id: <20251030183621.39ea843ebba82ae133b2b38b@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 3BFDB18000D X-Stat-Signature: ide9eu33dnpr59w4d31shkmfbf6fhxgh X-Rspam-User: X-HE-Tag: 1761874583-851096 X-HE-Meta: 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 XDxEVT7J 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 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, 30 Oct 2025 16:34:29 +0100 Big Sleep wrote: > Hello Mike and Andrew, > > we found a bug in secretmem_fault() - please see below for details! > > --Google Big Sleep Didn't know about this - it looks neat. https://issuetracker.google.com/issues/430375499 : Big Sleep is a collaboration between Google Project Zero and Google : DeepMind to build an agentic AI system to help automate software : vulnerability research > > ## Reporter Credit > > Google Big Sleep > You might want to include a token here so we (you!) can track the report through to its resolution. See what the sysbot people are doing. For example, https://lkml.rescloud.iu.edu/2408.2/07972.html included: : IMPORTANT: if you fix the issue, please add the following tag to the commit: : Reported-by: syzbot+5054473a31f78f735416@syzkaller.appspotmail.com and when Dmitry fixed this he included that info in the patch metadata: https://lore.kernel.org/all/20251028101447.693289-1-dmantipov@yandex.ru/T/#u and that Reported-by: will be carried all the way into the mainline tree. btw, it would be nice to Cc some human on these reports. One cannot be very confident that emails sent to big-sleep-vuln-reports@google.com will actually be read by someone.