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b=JzOTSe1FTjo+x6vX7OV37+5/gddAKe4tENsFBLDVspaoRrQVNVt0+7QCjHnsxSnot whgKliIcFrr2NGT14nIgk5QTlgZKUp1SrteeDZeM7teA3ZNd6HBvtsuCTf3YOkbKYJ aXXcCFq/r6ypcuhqsf2S0ZFraTvaQ+O+6yyxhhgw= Date: Mon, 25 Mar 2024 11:34:33 -0700 From: Andrew Morton To: Borislav Petkov Cc: "V, Narasimhan" , "linux-next@vger.kernel.org" , "linux-mm@kvack.org" , "Aithal, Srikanth" , Dawei Li , Andy Shevchenko , Rasmus Villemoes , Yury Norov , lkml Subject: Re: Boot failure with kernel BUG at mm/usercopy.c on next-20240325 Message-Id: <20240325113433.e04c2b508ac325630cd113c8@linux-foundation.org> In-Reply-To: <20240325125017.GBZgFzCXVxeF50uGVE@fat_crate.local> References: <20240325125017.GBZgFzCXVxeF50uGVE@fat_crate.local> 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-Stat-Signature: 4jxubyyazru1hibjb9jmspqndiz5o6sd X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: 72D3218001D X-Rspam-User: X-HE-Tag: 1711391679-515043 X-HE-Meta: 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 70Y/0q8o 4tMVzbTD80v7dxnlQvsxFNOC/ia0eIcTjuViw0aQ1QZt3gZJYFxflkmhwHVkx9V73N3SS 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 Mon, 25 Mar 2024 13:50:17 +0100 Borislav Petkov wrote: > Adding more people from that > > 328c801335d5 ("cpumask: create dedicated kmem cache for cpumask var") > > in linux-next. > > On Mon, Mar 25, 2024 at 01:40:20PM +0100, V, Narasimhan wrote: > > [AMD Official Use Only - General] > > > > Hi, > > There is a boot failure as below. > > On bisecting, the bad commit is found to be 328c801335d5f7edf2a3c9c331ddf8978f21e2a7. > > Boots fine if we revert the above bad commit. > > Narasimhan, > > please send your .config and reproduction instructions. I'm guessing > you're simply booting it, right? > > Leaving in the rest for the newly CCed people. Thanks, I'll just drop the patch. It didn't receive a very favorable review reception anyway.