From patchwork Tue Oct 1 22:52:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Shi X-Patchwork-Id: 13818822 Received: from SJ2PR03CU001.outbound.protection.outlook.com (mail-westusazon11022084.outbound.protection.outlook.com [52.101.43.84]) (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 2E6351CF2B5; Tue, 1 Oct 2024 22:52:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.43.84 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727823164; cv=fail; b=nkg4VMXW8bDEVEOxLwUtqHld5rFsN6oLuQrBhS/9RuMJb6r6r2vZXvg0AUfD7cMVkDtZujz8WfQ5mhQCWw9tEhQw49lTemDq9mg7geGtvTGLLYiOkmlnhEmQytB5kg24Cl6lz0VUzqDk5o9xvpfzYlTXrUO5M8VTe3yLpx4iqwI= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727823164; c=relaxed/simple; bh=tXx26WTRbcKC56sJeTm/4CNHeCWl0281W6iDxrTTTYs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=mfuoUjgn4Vlu+ULM0ynsYLzNid3BdWwfp/N/UUaKQ6ML/gw9d+vUYLHjLoje3GOPwyFed7SGRZbd1FnNQ8ootO9XtOdVWYlcR2yfrkPsVWwizZC1Y8DYSPsTcrwszQTOUJyvIpz5pFjqRel/klqpCPNvFpEzbdiQ9EhlNTE7KYE= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=os.amperecomputing.com; spf=pass smtp.mailfrom=os.amperecomputing.com; dkim=pass (1024-bit key) header.d=os.amperecomputing.com header.i=@os.amperecomputing.com header.b=P/EYlvK5; arc=fail smtp.client-ip=52.101.43.84 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=os.amperecomputing.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=os.amperecomputing.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=os.amperecomputing.com header.i=@os.amperecomputing.com header.b="P/EYlvK5" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=Aqo/ZVaPpOEmPKrIeJKCuson7pBhNjJ5nB2lE3CswpeyvyxRlp4ugZgf3WlptU7Ir5FjE8mcfm9jkLU+4eAoNvdxCZoVB4nvA8ukHywYxCj3uPEUJVMw+MKo9/Sace9JtZ1LhEroHiop7D1xnaonGsBQjQlcRc730gHSwLSKlRmIjhqkMaA3tFEwM1aqLeYLkOjfbKclTczge27JprMx4kKQooz2eduNPrf1ek4c/jI7S7nGiacnjKQdK9SbpWsSJW6CNbqlcWF+R2ZkAbaKvBffgTINp814ciVHLvBuPfAIwO8Dnz8F8nAPGp4Yete1kezfmawPPoUf1/3uztAKKA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=rZEmI5ze4VGJmlbeh/nIhqSgSXgQnJWJLInFVw0UZe0=; b=ZcVCTO0r7QaNOJaypuYXgX6+XTLigvl8nHYqjvKrHtHRdyH8bUbty3UG1jEcDepSpXkM++WhvY1YG+M3jaFQkJ+SMI8KojG7Gaq9SnUWsXH1ul/6yHaQdJgNaYSHGhGcaugNz4ciM31AIMnBqRMKGtDDAhc6/YIwORc1cWn8anjAVWhairDxE5a4VYlXV35qLWDSM12g4Xt/ekWkT6WIpWb6Gmx8zjMebKAMmUwgDg2Yirv+QZTzOirTWYUJvYcXeG6X9Tstjjf/YYLNjJ6VMZ8QFEKTNjSDZbB4v8NegNP+SA8qLnn33Hn8NbHaxD47kXkoEilQEWTeA4HQ2JkOwg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=os.amperecomputing.com; dmarc=pass action=none header.from=os.amperecomputing.com; dkim=pass header.d=os.amperecomputing.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=os.amperecomputing.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=rZEmI5ze4VGJmlbeh/nIhqSgSXgQnJWJLInFVw0UZe0=; b=P/EYlvK5qf7nqMoQR/4Zts9l9tYcC1G8uOCpXlJ8j7DoiUAbFR7FE9ulqFGLZnONmKM3Pj2MpKI9iRsCmUJMKH1DmD1j+nV04sQibSyw+60TIRKWqXC1KZ2wUi+pOe5bUZu2o6v8QU+CkGA/2TW26IernHnudUSxkRR1rX4t2U8= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=os.amperecomputing.com; Received: from CH0PR01MB6873.prod.exchangelabs.com (2603:10b6:610:112::22) by CO1PR01MB6678.prod.exchangelabs.com (2603:10b6:303:d9::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7982.28; Tue, 1 Oct 2024 22:52:36 +0000 Received: from CH0PR01MB6873.prod.exchangelabs.com ([fe80::3850:9112:f3bf:6460]) by CH0PR01MB6873.prod.exchangelabs.com ([fe80::3850:9112:f3bf:6460%5]) with mapi id 15.20.7982.022; Tue, 1 Oct 2024 22:52:36 +0000 From: Yang Shi To: catalin.marinas@arm.com, will@kernel.org, muchun.song@linux.dev, david@redhat.com, akpm@linux-foundation.org, shuah@kernel.org Cc: yang@os.amperecomputing.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [v6 PATCH 2/2] selftests: arm64: add hugetlb mte tests Date: Tue, 1 Oct 2024 15:52:20 -0700 Message-ID: <20241001225220.271178-2-yang@os.amperecomputing.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20241001225220.271178-1-yang@os.amperecomputing.com> References: <20241001225220.271178-1-yang@os.amperecomputing.com> X-ClientProxiedBy: CY8PR19CA0036.namprd19.prod.outlook.com (2603:10b6:930:6::29) To CH0PR01MB6873.prod.exchangelabs.com (2603:10b6:610:112::22) Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH0PR01MB6873:EE_|CO1PR01MB6678:EE_ X-MS-Office365-Filtering-Correlation-Id: 9e4d0adb-eac8-46ab-d13e-08dce26bbdd1 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|366016|376014|7416014|1800799024|52116014|38350700014; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:CH0PR01MB6873.prod.exchangelabs.com;PTR:;CAT:NONE;SFS:(13230040)(366016)(376014)(7416014)(1800799024)(52116014)(38350700014);DIR:OUT;SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: os.amperecomputing.com X-MS-Exchange-CrossTenant-Network-Message-Id: 9e4d0adb-eac8-46ab-d13e-08dce26bbdd1 X-MS-Exchange-CrossTenant-AuthSource: CH0PR01MB6873.prod.exchangelabs.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Oct 2024 22:52:35.4845 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3bc2b170-fd94-476d-b0ce-4229bdc904a7 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: pV7IiYHSzIzsVXUFNrIs6YopDV95uybZaatt7dxpvow+FCX4cNKqnz4c6nbIw3v3xK8D0y9PE/RmIQEQkl/Sx7hs0PAD1vrONgK4iwvr9TM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR01MB6678 The tests cover mmap, mprotect hugetlb with MTE prot and COW. Signed-off-by: Yang Shi --- .../arm64/mte/check_hugetlb_options.c | 285 ++++++++++++++++++ 1 file changed, 285 insertions(+) create mode 100644 tools/testing/selftests/arm64/mte/check_hugetlb_options.c diff --git a/tools/testing/selftests/arm64/mte/check_hugetlb_options.c b/tools/testing/selftests/arm64/mte/check_hugetlb_options.c new file mode 100644 index 000000000000..303260a6dc65 --- /dev/null +++ b/tools/testing/selftests/arm64/mte/check_hugetlb_options.c @@ -0,0 +1,285 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (C) 2024 Ampere Computing LLC + +#define _GNU_SOURCE + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "kselftest.h" +#include "mte_common_util.h" +#include "mte_def.h" + +#define TAG_CHECK_ON 0 +#define TAG_CHECK_OFF 1 + +static unsigned long default_huge_page_size(void) +{ + unsigned long hps = 0; + char *line = NULL; + size_t linelen = 0; + FILE *f = fopen("/proc/meminfo", "r"); + + if (!f) + return 0; + while (getline(&line, &linelen, f) > 0) { + if (sscanf(line, "Hugepagesize: %lu kB", &hps) == 1) { + hps <<= 10; + break; + } + } + + free(line); + fclose(f); + return hps; +} + +static bool is_hugetlb_allocated(void) +{ + unsigned long hps = 0; + char *line = NULL; + size_t linelen = 0; + FILE *f = fopen("/proc/meminfo", "r"); + + if (!f) + return false; + while (getline(&line, &linelen, f) > 0) { + if (sscanf(line, "Hugetlb: %lu kB", &hps) == 1) { + hps <<= 10; + break; + } + } + + free(line); + fclose(f); + + if (hps > 0) + return true; + + return false; +} + +static void write_sysfs(char *str, unsigned long val) +{ + FILE *f; + + f = fopen(str, "w"); + if (!f) { + ksft_print_msg("ERR: missing %s\n", str); + return; + } + fprintf(f, "%lu", val); + fclose(f); +} + +static void allocate_hugetlb() +{ + write_sysfs("/proc/sys/vm/nr_hugepages", 2); +} + +static void free_hugetlb() +{ + write_sysfs("/proc/sys/vm/nr_hugepages", 0); +} + +static int check_child_tag_inheritance(char *ptr, int size, int mode) +{ + int i, parent_tag, child_tag, fault, child_status; + pid_t child; + + parent_tag = MT_FETCH_TAG((uintptr_t)ptr); + fault = 0; + + child = fork(); + if (child == -1) { + ksft_print_msg("FAIL: child process creation\n"); + return KSFT_FAIL; + } else if (child == 0) { + mte_initialize_current_context(mode, (uintptr_t)ptr, size); + /* Do copy on write */ + memset(ptr, '1', size); + mte_wait_after_trig(); + if (cur_mte_cxt.fault_valid == true) { + fault = 1; + goto check_child_tag_inheritance_err; + } + for (i = 0; i < size; i += MT_GRANULE_SIZE) { + child_tag = MT_FETCH_TAG((uintptr_t)(mte_get_tag_address(ptr + i))); + if (parent_tag != child_tag) { + ksft_print_msg("FAIL: child mte tag (%d) mismatch\n", i); + fault = 1; + goto check_child_tag_inheritance_err; + } + } +check_child_tag_inheritance_err: + _exit(fault); + } + /* Wait for child process to terminate */ + wait(&child_status); + if (WIFEXITED(child_status)) + fault = WEXITSTATUS(child_status); + else + fault = 1; + return (fault) ? KSFT_FAIL : KSFT_PASS; +} + +static int check_mte_memory(char *ptr, int size, int mode, int tag_check) +{ + mte_initialize_current_context(mode, (uintptr_t)ptr, size); + memset(ptr, '1', size); + mte_wait_after_trig(); + if (cur_mte_cxt.fault_valid == true) + return KSFT_FAIL; + + return KSFT_PASS; +} + +static int check_hugetlb_memory_mapping(int mem_type, int mode, int mapping, int tag_check) +{ + char *ptr, *map_ptr; + int result; + unsigned long map_size; + + map_size = default_huge_page_size(); + + mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG); + map_ptr = (char *)mte_allocate_memory(map_size, mem_type, mapping, false); + if (check_allocated_memory(map_ptr, map_size, mem_type, false) != KSFT_PASS) + return KSFT_FAIL; + + mte_initialize_current_context(mode, (uintptr_t)map_ptr, map_size); + /* Only mte enabled memory will allow tag insertion */ + ptr = mte_insert_tags((void *)map_ptr, map_size); + if (!ptr || cur_mte_cxt.fault_valid == true) { + ksft_print_msg("FAIL: Insert tags on anonymous mmap memory\n"); + munmap((void *)map_ptr, map_size); + return KSFT_FAIL; + } + result = check_mte_memory(ptr, map_size, mode, tag_check); + mte_clear_tags((void *)ptr, map_size); + mte_free_memory((void *)map_ptr, map_size, mem_type, false); + if (result == KSFT_FAIL) + return KSFT_FAIL; + + return KSFT_PASS; +} + +static int check_clear_prot_mte_flag(int mem_type, int mode, int mapping) +{ + char *map_ptr; + int prot_flag, result; + unsigned long map_size; + + prot_flag = PROT_READ | PROT_WRITE; + mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG); + map_size = default_huge_page_size(); + map_ptr = (char *)mte_allocate_memory_tag_range(map_size, mem_type, mapping, + 0, 0); + if (check_allocated_memory_range(map_ptr, map_size, mem_type, + 0, 0) != KSFT_PASS) + return KSFT_FAIL; + /* Try to clear PROT_MTE property and verify it by tag checking */ + if (mprotect(map_ptr, map_size, prot_flag)) { + mte_free_memory_tag_range((void *)map_ptr, map_size, mem_type, + 0, 0); + ksft_print_msg("FAIL: mprotect not ignoring clear PROT_MTE property\n"); + return KSFT_FAIL; + } + result = check_mte_memory(map_ptr, map_size, mode, TAG_CHECK_ON); + mte_free_memory_tag_range((void *)map_ptr, map_size, mem_type, 0, 0); + if (result != KSFT_PASS) + return KSFT_FAIL; + + return KSFT_PASS; +} + +static int check_child_hugetlb_memory_mapping(int mem_type, int mode, int mapping) +{ + char *ptr; + int result; + unsigned long map_size; + + map_size = default_huge_page_size(); + + mte_switch_mode(mode, MTE_ALLOW_NON_ZERO_TAG); + ptr = (char *)mte_allocate_memory_tag_range(map_size, mem_type, mapping, + 0, 0); + if (check_allocated_memory_range(ptr, map_size, mem_type, + 0, 0) != KSFT_PASS) + return KSFT_FAIL; + result = check_child_tag_inheritance(ptr, map_size, mode); + mte_free_memory_tag_range((void *)ptr, map_size, mem_type, 0, 0); + if (result == KSFT_FAIL) + return result; + + return KSFT_PASS; +} + +int main(int argc, char *argv[]) +{ + int err; + + err = mte_default_setup(); + if (err) + return err; + + /* Register signal handlers */ + mte_register_signal(SIGBUS, mte_default_handler); + mte_register_signal(SIGSEGV, mte_default_handler); + + allocate_hugetlb(); + + if (!is_hugetlb_allocated()) { + ksft_print_msg("ERR: Unable allocate hugetlb pages\n"); + return KSFT_FAIL; + } + + /* Set test plan */ + ksft_set_plan(12); + + mte_enable_pstate_tco(); + + evaluate_test(check_hugetlb_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE | MAP_HUGETLB, TAG_CHECK_OFF), + "Check hugetlb memory with private mapping, sync error mode, mmap memory and tag check off\n"); + + mte_disable_pstate_tco(); + evaluate_test(check_hugetlb_memory_mapping(USE_MMAP, MTE_NONE_ERR, MAP_PRIVATE | MAP_HUGETLB, TAG_CHECK_OFF), + "Check hugetlb memory with private mapping, no error mode, mmap memory and tag check off\n"); + + evaluate_test(check_hugetlb_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE | MAP_HUGETLB, TAG_CHECK_ON), + "Check hugetlb memory with private mapping, sync error mode, mmap memory and tag check on\n"); + evaluate_test(check_hugetlb_memory_mapping(USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE | MAP_HUGETLB, TAG_CHECK_ON), + "Check hugetlb memory with private mapping, sync error mode, mmap/mprotect memory and tag check on\n"); + evaluate_test(check_hugetlb_memory_mapping(USE_MMAP, MTE_ASYNC_ERR, MAP_PRIVATE | MAP_HUGETLB, TAG_CHECK_ON), + "Check hugetlb memory with private mapping, async error mode, mmap memory and tag check on\n"); + evaluate_test(check_hugetlb_memory_mapping(USE_MPROTECT, MTE_ASYNC_ERR, MAP_PRIVATE | MAP_HUGETLB, TAG_CHECK_ON), + "Check hugetlb memory with private mapping, async error mode, mmap/mprotect memory and tag check on\n"); + + evaluate_test(check_clear_prot_mte_flag(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE | MAP_HUGETLB), + "Check clear PROT_MTE flags with private mapping, sync error mode and mmap memory\n"); + evaluate_test(check_clear_prot_mte_flag(USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE | MAP_HUGETLB), + "Check clear PROT_MTE flags with private mapping and sync error mode and mmap/mprotect memory\n"); + + evaluate_test(check_child_hugetlb_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE | MAP_HUGETLB), + "Check child hugetlb memory with private mapping, precise mode and mmap memory\n"); + evaluate_test(check_child_hugetlb_memory_mapping(USE_MMAP, MTE_ASYNC_ERR, MAP_PRIVATE | MAP_HUGETLB), + "Check child hugetlb memory with private mapping, precise mode and mmap memory\n"); + evaluate_test(check_child_hugetlb_memory_mapping(USE_MPROTECT, MTE_SYNC_ERR, MAP_PRIVATE | MAP_HUGETLB), + "Check child hugetlb memory with private mapping, precise mode and mmap/mprotect memory\n"); + evaluate_test(check_child_hugetlb_memory_mapping(USE_MPROTECT, MTE_ASYNC_ERR, MAP_PRIVATE | MAP_HUGETLB), + "Check child hugetlb memory with private mapping, precise mode and mmap/mprotect memory\n"); + + mte_restore_setup(); + free_hugetlb(); + ksft_print_cnts(); + return ksft_get_fail_cnt() == 0 ? KSFT_PASS : KSFT_FAIL; +}