From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B6B635CB8C; Fri, 9 Jan 2026 13:45:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767966339; cv=none; b=eYEYCWsjN7kGBJKTGWFwlDC/IjhwA0USzeEMYyL4SSjPyuqZYuAjn25RMUW99e1sztMlprkBTO3VP0zzPP5XevJcpk1NotmNlfBNrTYQmQWCumxmnjIjBSItpSUkth+JCBTT3SmzBMirst7MswT/sFiQ+bwhGWbXrCtK6bXNYc4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767966339; c=relaxed/simple; bh=u4CAnuyKa22cPZqPczAHTBUsJfWDDiZoz2nyUc91Sg8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=i61Ji7KHEYtNg2A7AnlkxdCW2HBqKFG/q7fYbptY1fVIL1/X0NapTjjdMP4pL6mStic5J+WORr4tttm2HEe693Ny7mDn+V+fiKiKuGCN4WWDuR/1EdSCDdPXi0D41Moj7eVV16G94Rf0W7Gw4aM+rCP5AspzPyQxIgUwIuHdrPY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HraFFJ/x; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HraFFJ/x" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0443EC4CEF1; Fri, 9 Jan 2026 13:45:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767966338; bh=u4CAnuyKa22cPZqPczAHTBUsJfWDDiZoz2nyUc91Sg8=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=HraFFJ/xcLLuJ6o1wjBP6cPlh87ajBGgHxo1MRoTGAy4BNHUr01Z8zde9bUM+tvf7 nmnuA30z8KEgrXu6TLPQmXmrbHXNliphc6zgOhjje0A4KOCbtrpro/0IczJ6rcbYwZ bxbIP7Z4nXzoHu/r/8H35agquZuMzRJcj/JCNQaHBQMXnJpw4PFOONMPxad1nyIbbP yf8JMQhBAAcYPxL7FhHOEJQQFwtx7aca0fBm0vDNVDhYnQq4A+fM+zJNKv5hfIFrAH jvLr2s7xwE3QIUY+um05rBfxS+dwZuxbsRqlpNl50OL9Cr/YQa+H0Dqrb56PNtMYpM /nDxFpzqDGXbQ== Message-ID: <9413a995-9182-493e-a28a-6d2d3a17236b@kernel.org> Date: Fri, 9 Jan 2026 14:45:33 +0100 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 0/3] selftests/mm: add memory failure selftests To: Miaohe Lin , akpm@linux-foundation.org, shuah@kernel.org Cc: lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, nao.horiguchi@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org References: <20260107093710.3928374-1-linmiaohe@huawei.com> From: "David Hildenbrand (Red Hat)" Content-Language: en-US Autocrypt: addr=david@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/7/26 10:37, Miaohe Lin wrote: > Introduce selftests to validate the functionality of memory failure. > These tests help ensure that memory failure handling for anonymous > pages, pagecaches pages works correctly, including proper SIGBUS > delivery to user processes, page isolation, and recovery paths. > > Currently madvise syscall is used to inject memory failures. And only > anonymous pages and pagecaches are tested. More test scenarios, e.g. > hugetlb, shmem, thp, will be added. Also more memory failure injecting > methods will be supported, e.g. APEI Error INJection, if required. 0day reports that these tests fail: # # ------------------------ # # running ./memory-failure # # ------------------------ # # TAP version 13 # # 1..6 # # # Starting 6 tests from 2 test cases. # # # RUN memory_failure.madv_hard.anon ... # # # OK memory_failure.madv_hard.anon # # ok 1 memory_failure.madv_hard.anon # # # RUN memory_failure.madv_hard.clean_pagecache ... # # # memory-failure.c:166:clean_pagecache:Expected setjmp (1) == 0 (0) # # # clean_pagecache: Test terminated by assertion # # # FAIL memory_failure.madv_hard.clean_pagecache # # not ok 2 memory_failure.madv_hard.clean_pagecache # # # RUN memory_failure.madv_hard.dirty_pagecache ... # # # memory-failure.c:207:dirty_pagecache:Expected unpoison_memory(self->pfn) (-16) == 0 (0) # # # dirty_pagecache: Test terminated by assertion # # # FAIL memory_failure.madv_hard.dirty_pagecache # # not ok 3 memory_failure.madv_hard.dirty_pagecache # # # RUN memory_failure.madv_soft.anon ... # # # OK memory_failure.madv_soft.anon # # ok 4 memory_failure.madv_soft.anon # # # RUN memory_failure.madv_soft.clean_pagecache ... # # # memory-failure.c:282:clean_pagecache:Expected variant->inject(self, addr) (-1) == 0 (0) # # # clean_pagecache: Test terminated by assertion # # # FAIL memory_failure.madv_soft.clean_pagecache # # not ok 5 memory_failure.madv_soft.clean_pagecache # # # RUN memory_failure.madv_soft.dirty_pagecache ... # # # memory-failure.c:319:dirty_pagecache:Expected variant->inject(self, addr) (-1) == 0 (0) # # # dirty_pagecache: Test terminated by assertion # # # FAIL memory_failure.madv_soft.dirty_pagecache # # not ok 6 memory_failure.madv_soft.dirty_pagecache # # # FAILED: 2 / 6 tests passed. # # # Totals: pass:2 fail:4 xfail:0 xpass:0 skip:0 error:0 # # [FAIL] # not ok 71 memory-failure # exit=1 Can the test maybe not deal with running in certain environments (config options etc)? -- Cheers David