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[139.178.88.99]) by mx.google.com with ESMTPS id q16-20020a635c10000000b005e4a7a59ed8si1693006pgb.548.2024.02.29.19.12.26 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Feb 2024 19:12:26 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-87851-ouuuleilei=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; arc=fail (body hash mismatch); spf=pass (google.com: domain of linux-kernel+bounces-87851-ouuuleilei=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-87851-ouuuleilei=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 9A3DB284490 for ; Fri, 1 Mar 2024 03:12:26 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CE4774645B; Fri, 1 Mar 2024 03:11:39 +0000 (UTC) Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) (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 A9CB53FE55; Fri, 1 Mar 2024 03:11:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.51 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709262696; cv=none; b=nOTA1eqmUeZ6FnFZAV4VEutmiDieI3kZVkpzUI15jJz76h71CkocSZ3UJqIxj7Z0DY1ZExleOrosHoMGf3rL+I04LPSJc/PPk7EjpmsVmWPUZwtOuE2VmjYo+gpx2DVRCnkyOG6nMPB2poF2wzetHoUiB3Lx2lXAcbq69EZBU/8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709262696; c=relaxed/simple; bh=cs3vPNCzJkJq2gL2qtrcrkhMvdlQb2I5E8lcE+Zp6pw=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=NHztcF2EDvNgSeGld7fkMEHgRysHjKkmCUemfr+k3GQoi953+jq7ksZIVPIvoDfpVu9+GUiwel8kCSe9D5s81guN7dcKVKiy5iokKT8tRILd7vvRQBevKwBQJnBN2rQQQwOwORBs1vI5a65T7cw0nYcBY9+c1tMslm7aEy/RaN4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com; spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.19.163.235]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4TmCmB01pYz4f3m78; Fri, 1 Mar 2024 11:11:22 +0800 (CST) Received: from mail02.huawei.com (unknown [10.116.40.128]) by mail.maildlp.com (Postfix) with ESMTP id 5D7401A07FA; Fri, 1 Mar 2024 11:11:29 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.101.6]) by APP4 (Coremail) with SMTP id gCh0CgD3SGtfR+FlBJ6mFg--.42023S2; Fri, 01 Mar 2024 11:11:27 +0800 (CST) From: Kemeng Shi To: tytso@mit.edu, adilger.kernel@dilger.ca Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, naresh.kamboju@linaro.org, daniel.diaz@linaro.org, linux@roeck-us.net, brauner@kernel.org Subject: [PATCH 0/2] Fix crashes in ext4 unit test Date: Fri, 1 Mar 2024 20:08:14 +0800 Message-Id: <20240301120816.22581-1-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: gCh0CgD3SGtfR+FlBJ6mFg--.42023S2 X-Coremail-Antispam: 1UD129KBjvAXoWfGw1DAF1DJF13Jr45CryUKFg_yoW8JFWruo WftF1jqr4ktr4DJ3s29rs8AFZ8CwnrG3WxXr45u3WfJ3yYkrZFvay2qay3Ja98tw47tFyU ta43tFW3AFs7ua4rn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73VFW2AGmfu7bjvjm3 AaLaJ3UjIYCTnIWjp_UUUYb7kC6x804xWl14x267AKxVW8JVW5JwAFc2x0x2IEx4CE42xK 8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2jI8I6cxK62vIxIIY0VWUZVW8Xw A2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26w1j 6s0DM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F4UJVW0owA2z4x0Y4vEx4A2jsIE14v26r xl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv 0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUGVWUXwAv7VC2z2 80aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JMxAIw28I cxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2 IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI 42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42 IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E 87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x07j7NVkUUUUU= X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1792291894252390819 X-GMAIL-MSGID: 1792291894252390819 Previously, the new mballoc unit tests are only tested by running "./tools/testing/kunit/kunit.py run ..." in which case only rare configs are enabled. This series fixes the reported issue and changes are tested with and without kunit_tool [1]. Result with kunit_tool: /tools/testing/kunit/kunit.py run --kunitconfig=fs/ext4/.kunitconfig --raw_output [17:40:24] Configuring KUnit Kernel ... [17:40:24] Building KUnit Kernel ... Populating config with: $ make ARCH=um O=.kunit olddefconfig Building with: $ make ARCH=um O=.kunit --jobs=88 [17:40:28] Starting KUnit Kernel (1/1)... KTAP version 1 1..2 KTAP version 1 # Subtest: ext4_mballoc_test # module: ext4 1..6 KTAP version 1 # Subtest: test_new_blocks_simple ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 # test_new_blocks_simple: pass:3 fail:0 skip:0 total:3 ok 1 test_new_blocks_simple KTAP version 1 # Subtest: test_free_blocks_simple ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 # test_free_blocks_simple: pass:3 fail:0 skip:0 total:3 ok 2 test_free_blocks_simple KTAP version 1 # Subtest: test_mb_generate_buddy ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 # test_mb_generate_buddy: pass:3 fail:0 skip:0 total:3 ok 3 test_mb_generate_buddy KTAP version 1 # Subtest: test_mb_mark_used ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 # SKIP blocksize exceeds pagesize # test_mb_mark_used: pass:2 fail:0 skip:1 total:3 ok 4 test_mb_mark_used KTAP version 1 # Subtest: test_mb_free_blocks ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 # SKIP blocksize exceeds pagesize # test_mb_free_blocks: pass:2 fail:0 skip:1 total:3 ok 5 test_mb_free_blocks KTAP version 1 # Subtest: test_mark_diskspace_used ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 # test_mark_diskspace_used: pass:3 fail:0 skip:0 total:3 ok 6 test_mark_diskspace_used # ext4_mballoc_test: pass:6 fail:0 skip:0 total:6 # Totals: pass:16 fail:0 skip:2 total:18 ok 1 ext4_mballoc_test KTAP version 1 # Subtest: ext4_inode_test # module: ext4_inode_test 1..1 KTAP version 1 # Subtest: inode_test_xtimestamp_decoding ok 1 1901-12-13 Lower bound of 32bit < 0 timestamp, no extra bits ok 2 1969-12-31 Upper bound of 32bit < 0 timestamp, no extra bits ok 3 1970-01-01 Lower bound of 32bit >=0 timestamp, no extra bits ok 4 2038-01-19 Upper bound of 32bit >=0 timestamp, no extra bits ok 5 2038-01-19 Lower bound of 32bit <0 timestamp, lo extra sec bit on ok 6 2106-02-07 Upper bound of 32bit <0 timestamp, lo extra sec bit on ok 7 2106-02-07 Lower bound of 32bit >=0 timestamp, lo extra sec bit on ok 8 2174-02-25 Upper bound of 32bit >=0 timestamp, lo extra sec bit on ok 9 2174-02-25 Lower bound of 32bit <0 timestamp, hi extra sec bit on ok 10 2242-03-16 Upper bound of 32bit <0 timestamp, hi extra sec bit on ok 11 2242-03-16 Lower bound of 32bit >=0 timestamp, hi extra sec bit on ok 12 2310-04-04 Upper bound of 32bit >=0 timestamp, hi extra sec bit on ok 13 2310-04-04 Upper bound of 32bit>=0 timestamp, hi extra sec bit 1. 1 ns ok 14 2378-04-22 Lower bound of 32bit>= timestamp. Extra sec bits 1. Max ns ok 15 2378-04-22 Lower bound of 32bit >=0 timestamp. All extra sec bits on ok 16 2446-05-10 Upper bound of 32bit >=0 timestamp. All extra sec bits on # inode_test_xtimestamp_decoding: pass:16 fail:0 skip:0 total:16 ok 1 inode_test_xtimestamp_decoding # Totals: pass:16 fail:0 skip:0 total:16 ok 2 ext4_inode_test [17:40:28] Elapsed time: 3.990s total, 0.001s configuring, 3.823s building, 0.123s running Result without kunit_tool (built-in): Mar 1 18:24:36 localhost kernel: [ 5.260386] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.260558] 1..2 Mar 1 18:24:36 localhost kernel: [ 5.261225] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.261387] # Subtest: ext4_mballoc_test Mar 1 18:24:36 localhost kernel: [ 5.261581] # module: ext4 Mar 1 18:24:36 localhost kernel: [ 5.261583] 1..6 Mar 1 18:24:36 localhost kernel: [ 5.261886] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.262050] # Subtest: test_new_blocks_simple Mar 1 18:24:36 localhost kernel: [ 5.262409] ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.263342] ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.264334] ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.264664] # test_new_blocks_simple: pass:3 fail:0 skip:0 total:3 Mar 1 18:24:36 localhost kernel: [ 5.264669] ok 1 test_new_blocks_simple Mar 1 18:24:36 localhost kernel: [ 5.264893] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.265230] # Subtest: test_free_blocks_simple Mar 1 18:24:36 localhost kernel: [ 5.265552] ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.266451] ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.267183] ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.267508] # test_free_blocks_simple: pass:3 fail:0 skip:0 total:3 Mar 1 18:24:36 localhost kernel: [ 5.267510] ok 2 test_free_blocks_simple Mar 1 18:24:36 localhost kernel: [ 5.267748] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.268087] # Subtest: test_mb_generate_buddy Mar 1 18:24:36 localhost kernel: [ 5.268493] ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.269542] ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.270824] ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.271287] # test_mb_generate_buddy: pass:3 fail:0 skip:0 total:3 Mar 1 18:24:36 localhost kernel: [ 5.271288] ok 3 test_mb_generate_buddy Mar 1 18:24:36 localhost kernel: [ 5.271512] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.271873] # Subtest: test_mb_mark_used Mar 1 18:24:36 localhost kernel: [ 5.272194] ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.273105] ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.273855] ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64#012 # SKIP blocksize exceeds pagesize Mar 1 18:24:36 localhost kernel: [ 5.273857] # test_mb_mark_used: pass:2 fail:0 skip:1 total:3 Mar 1 18:24:36 localhost kernel: [ 5.274306] ok 4 test_mb_mark_used Mar 1 18:24:36 localhost kernel: [ 5.274526] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.274863] # Subtest: test_mb_free_blocks Mar 1 18:24:36 localhost kernel: [ 5.275146] ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.275935] ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.276706] ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64#012 # SKIP blocksize exceeds pagesize Mar 1 18:24:36 localhost kernel: [ 5.276708] # test_mb_free_blocks: pass:2 fail:0 skip:1 total:3 Mar 1 18:24:36 localhost kernel: [ 5.277155] ok 5 test_mb_free_blocks Mar 1 18:24:36 localhost kernel: [ 5.277370] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.277711] # Subtest: test_mark_diskspace_used Mar 1 18:24:36 localhost kernel: [ 5.277936] ok 1 block_bits=10 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.278825] ok 2 block_bits=12 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.279712] ok 3 block_bits=16 cluster_bits=3 blocks_per_group=8192 group_count=4 desc_size=64 Mar 1 18:24:36 localhost kernel: [ 5.280039] # test_mark_diskspace_used: pass:3 fail:0 skip:0 total:3 Mar 1 18:24:36 localhost kernel: [ 5.280041] ok 6 test_mark_diskspace_used Mar 1 18:24:36 localhost kernel: [ 5.280262] # ext4_mballoc_test: pass:6 fail:0 skip:0 total:6 Mar 1 18:24:36 localhost kernel: [ 5.280438] # Totals: pass:16 fail:0 skip:2 total:18 Mar 1 18:24:36 localhost kernel: [ 5.280661] ok 1 ext4_mballoc_test Mar 1 18:24:36 localhost kernel: [ 5.281017] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.281168] # Subtest: ext4_inode_test Mar 1 18:24:36 localhost kernel: [ 5.281347] # module: ext4_inode_test Mar 1 18:24:36 localhost kernel: [ 5.281349] 1..1 Mar 1 18:24:36 localhost kernel: [ 5.281698] KTAP version 1 Mar 1 18:24:36 localhost kernel: [ 5.281863] # Subtest: inode_test_xtimestamp_decoding Mar 1 18:24:36 localhost kernel: [ 5.282082] ok 1 1901-12-13 Lower bound of 32bit < 0 timestamp, no extra bits Mar 1 18:24:36 localhost kernel: [ 5.282463] ok 2 1969-12-31 Upper bound of 32bit < 0 timestamp, no extra bits Mar 1 18:24:36 localhost kernel: [ 5.282936] ok 3 1970-01-01 Lower bound of 32bit >=0 timestamp, no extra bits Mar 1 18:24:36 localhost kernel: [ 5.283425] ok 4 2038-01-19 Upper bound of 32bit >=0 timestamp, no extra bits Mar 1 18:24:36 localhost kernel: [ 5.283909] ok 5 2038-01-19 Lower bound of 32bit <0 timestamp, lo extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.284398] ok 6 2106-02-07 Upper bound of 32bit <0 timestamp, lo extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.284895] ok 7 2106-02-07 Lower bound of 32bit >=0 timestamp, lo extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.285360] ok 8 2174-02-25 Upper bound of 32bit >=0 timestamp, lo extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.285849] ok 9 2174-02-25 Lower bound of 32bit <0 timestamp, hi extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.286307] ok 10 2242-03-16 Upper bound of 32bit <0 timestamp, hi extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.287497] ok 11 2242-03-16 Lower bound of 32bit >=0 timestamp, hi extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.288002] ok 12 2310-04-04 Upper bound of 32bit >=0 timestamp, hi extra sec bit on Mar 1 18:24:36 localhost kernel: [ 5.288469] ok 13 2310-04-04 Upper bound of 32bit>=0 timestamp, hi extra sec bit 1. 1 ns Mar 1 18:24:36 localhost kernel: [ 5.288971] ok 14 2378-04-22 Lower bound of 32bit>= timestamp. Extra sec bits 1. Max ns Mar 1 18:24:36 localhost kernel: [ 5.289479] ok 15 2378-04-22 Lower bound of 32bit >=0 timestamp. All extra sec bits on Mar 1 18:24:36 localhost kernel: [ 5.290023] ok 16 2446-05-10 Upper bound of 32bit >=0 timestamp. All extra sec bits on Mar 1 18:24:36 localhost kernel: [ 5.290326] # inode_test_xtimestamp_decoding: pass:16 fail:0 skip:0 total:16 Mar 1 18:24:36 localhost kernel: [ 5.290651] ok 1 inode_test_xtimestamp_decoding Mar 1 18:24:36 localhost kernel: [ 5.290930] # Totals: pass:16 fail:0 skip:0 total:16 Mar 1 18:24:36 localhost kernel: [ 5.291123] ok 2 ext4_inode_test [1] https://docs.kernel.org/dev-tools/kunit/run_manual.html Kemeng Shi (2): ext4: alloc test super block from sget ext4: hold group lock in ext4 kunit test fs/ext4/mballoc-test.c | 55 ++++++++++++++++++++++++++++++------------ 1 file changed, 40 insertions(+), 15 deletions(-)