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[95.193.182.189]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-553e41d73f9sm204956e87.252.2025.06.20.01.47.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Jun 2025 01:47:37 -0700 (PDT) From: Uladzislau Rezki X-Google-Original-From: Uladzislau Rezki Date: Fri, 20 Jun 2025 10:47:34 +0200 To: Harry Yoo Cc: kernel test robot , Uladzislau Rezki , oe-lkp@lists.linux.dev, lkp@intel.com, linux-kernel@vger.kernel.org, Andrew Morton , Baoquan He , Adrian Huang , Christop Hellwig , Mateusz Guzik , linux-mm@kvack.org, Suren Baghdasaryan , Kent Overstreet Subject: Re: Kernel crash due to alloc_tag_top_users() being called when !mem_profiling_support? Message-ID: References: <202506181351.bba867dd-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Server: rspam11 X-Rspam-User: X-Rspamd-Queue-Id: B88A14000A X-Stat-Signature: um5dyq9ser8uurqeyzkgfdpzjy1sopa3 X-HE-Tag: 1750409260-253951 X-HE-Meta: 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 wxA/Oxb7 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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 Fri, Jun 20, 2025 at 12:04:50AM +0900, Harry Yoo wrote: > On Thu, Jun 19, 2025 at 11:10:43PM +0900, Harry Yoo wrote: > > On Wed, Jun 18, 2025 at 02:25:37PM +0800, kernel test robot wrote: > > > > > > Hello, > > > > > > for this change, we reported > > > "[linux-next:master] [lib/test_vmalloc.c] 7fc85b92db: Mem-Info" > > > in > > > https://lore.kernel.org/all/202505071555.e757f1e0-lkp@intel.com/ > > > > > > at that time, we made some tests with x86_64 config which runs well. > > > > > > now we noticed the commit is in mainline now. > > > > (Re-sending due to not Ccing people and the list...) > > > > Hi, I'm facing the same error on my testing environment. > > I should have clarified that the reason the kernel failed to allocate > memory on my machine was due to running out of memory, not because of the > vmalloc test module. > > But based on the fact that the test case (align_shift_alloc_test) is > expected to fail, the issue here is not memory allocation failure > itself, but rather that the kernel crashes when the allocation fails. > It looks someone tries to test the CONFIG_TEST_VMALLOC=y as built-in approach test-cases. Yes, it will trigger a lot of warnings as some use cases are supposed to be failed. This will trigger a lot of kernel warnings which can be considered by test-robot or people as problem. In this case i can exclude those use cases or even not run at all unless boot-parameters properly sets if built-in. -- Uladzislau Rezki