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([2600:380:6345:6937:6815:e2a7:e82c:fd22]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-71239eccdf4sm1026813a34.36.2024.09.16.02.11.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Sep 2024 02:11:02 -0700 (PDT) Message-ID: Date: Mon, 16 Sep 2024 03:10:58 -0600 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [axboe-block:for-6.12/io_uring] [io_uring/sqpoll] f011c9cf04: BUG:KASAN:slab-out-of-bounds_in_io_sq_offload_create To: "MOESSBAUER, Felix" , "oliver.sang@intel.com" Cc: "oe-lkp@lists.linux.dev" , "lkp@intel.com" , "io-uring@vger.kernel.org" References: <202409161632.cbeeca0d-lkp@intel.com> <59e44de9-8194-4817-b910-0de89fea1452@kernel.dk> <1c5f77a9253ac3a56a1e00f7b588d86d447a54c5.camel@siemens.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <1c5f77a9253ac3a56a1e00f7b588d86d447a54c5.camel@siemens.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/16/24 3:09 AM, MOESSBAUER, Felix wrote: > Thanks for fixing. While we are at it, I noticed that putting the > cpumask on the stack is discouraged. We should better allocate it like > in my other patches. Shall I send a fixup patch? Yes probably not a bad idea, some systems configure with a large number of possible CPUs. -- Jens Axboe