{"id":2217755,"url":"http://patchwork.ozlabs.org/api/1.2/patches/2217755/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260330133035.287842-2-yebin@huaweicloud.com/","project":{"id":8,"url":"http://patchwork.ozlabs.org/api/1.2/projects/8/?format=json","name":"Linux ext4 filesystem development","link_name":"linux-ext4","list_id":"linux-ext4.vger.kernel.org","list_email":"linux-ext4@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260330133035.287842-2-yebin@huaweicloud.com>","list_archive_url":null,"date":"2026-03-30T13:30:31","name":"[v5,1/5] ext4: fix miss unlock 'sb->s_umount' in extents_kunit_init()","commit_ref":null,"pull_url":null,"state":"awaiting-upstream","archived":false,"hash":"2c5991499f843168e7ba6f7ea7507a708e212206","submitter":{"id":85089,"url":"http://patchwork.ozlabs.org/api/1.2/people/85089/?format=json","name":"Ye Bin","email":"yebin@huaweicloud.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linux-ext4/patch/20260330133035.287842-2-yebin@huaweicloud.com/mbox/","series":[{"id":498033,"url":"http://patchwork.ozlabs.org/api/1.2/series/498033/?format=json","web_url":"http://patchwork.ozlabs.org/project/linux-ext4/list/?series=498033","date":"2026-03-30T13:30:32","name":"Fix some issues about ext4-test","version":5,"mbox":"http://patchwork.ozlabs.org/series/498033/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2217755/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2217755/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-ext4@vger.kernel.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","patchwork-incoming@ozlabs.org"],"Authentication-Results":["legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; 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gandalf.ozlabs.org;\n dmarc=none (p=none dis=none) header.from=huaweicloud.com;\n spf=pass (client-ip=172.105.105.114; helo=tor.lore.kernel.org;\n envelope-from=linux-ext4+bounces-15537-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org) smtp.mailfrom=vger.kernel.org","i=1; smtp.subspace.kernel.org;\n dmarc=none (p=none dis=none) header.from=huaweicloud.com;\n spf=pass smtp.mailfrom=huaweicloud.com; arc=none smtp.client-ip=45.249.212.51"],"From":"Ye Bin ","To":"tytso@mit.edu,\n\tadilger.kernel@dilger.ca,\n\tlinux-ext4@vger.kernel.org","Cc":"jack@suse.cz","Subject":"[PATCH v5 1/5] ext4: fix miss unlock 'sb->s_umount' in\n extents_kunit_init()","Date":"Mon, 30 Mar 2026 21:30:31 +0800","Message-Id":"<20260330133035.287842-2-yebin@huaweicloud.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20260330133035.287842-1-yebin@huaweicloud.com>","References":"<20260330133035.287842-1-yebin@huaweicloud.com>","Precedence":"bulk","X-Mailing-List":"linux-ext4@vger.kernel.org","List-Id":"","List-Subscribe":"","List-Unsubscribe":"","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-CM-TRANSID":"gCh0CgDHn0p7e8pp7U0sCw--.17260S5","X-Coremail-Antispam":"1UD129KBjvJXoW7tr17ur4DZw1xZr45Wr48JFb_yoW8Xw1Dpw\n\t43AFyUKr1rZ3W7CFW8tF4UtryYka1fCa47CryfWF43XFW7u348Kr1fKF1YkFW5Xa1UXFn8\n\tZF40va4jkw43C3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2\n\t9KBjDU0xBIdaVrnRJUUUvGb4IE77IF4wAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k2\n\t6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGw\n\tA2048vs2IY020Ec7CjxVAFwI0_Jrv_JF4l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS\n\tw2x7M28EF7xvwVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV\n\tW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v2\n\t6rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMc\n\tIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_\n\tJr0_Gr1lF7xvr2IYc2Ij64vIr41l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr\n\t0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY\n\t17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcV\n\tC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY\n\t6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa\n\t73UjIFyTuYvjxUFzV1UUUUU","X-CM-SenderInfo":"p1hex046kxt4xhlfz01xgou0bp/","X-Spam-Status":"No, score=-1.1 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDMARC_MISSING,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,\n\tSPF_HELO_NONE,SPF_PASS autolearn=disabled version=4.0.1","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org"},"content":"From: Ye Bin \n\nThere's warning as follows when do ext4 kunit test:\nWARNING: kunit_try_catch/15923 still has locks held!\n7.0.0-rc3-next-20260309-00028-g73f965a1bbb1-dirty #281 Tainted: G E N\n1 lock held by kunit_try_catch/15923:\n #0: ffff888139f860e0 (&type->s_umount_key#70/1){+.+.}-{4:4}, at: alloc_super.constprop.0+0x172/0xa90\nCall Trace:\n \n dump_stack_lvl+0x180/0x1b0\n debug_check_no_locks_held+0xc8/0xd0\n do_exit+0x1502/0x2b20\n kthread+0x3a9/0x540\n ret_from_fork+0xa76/0xdf0\n ret_from_fork_asm+0x1a/0x30\n\nAs sget() will return 'sb' which holds 's->s_umount' lock. However,\n\"extents-test\" miss unlock this lock.\nSo unlock 's->s_umount' in the end of extents_kunit_init().\n\nFixes: cb1e0c1d1fad (\"ext4: kunit tests for extent splitting and conversion\")\nSigned-off-by: Ye Bin \nReviewed-by: Ritesh Harjani (IBM) \nReviewed-by: Ojaswin Mujoo \n---\n fs/ext4/extents-test.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/fs/ext4/extents-test.c b/fs/ext4/extents-test.c\nindex 5496b2c8e2cd..82c59291e045 100644\n--- a/fs/ext4/extents-test.c\n+++ b/fs/ext4/extents-test.c\n@@ -309,6 +309,8 @@ static int extents_kunit_init(struct kunit *test)\n \tkunit_activate_static_stub(test, ext4_ext_zeroout, ext4_ext_zeroout_stub);\n \tkunit_activate_static_stub(test, ext4_issue_zeroout,\n \t\t\t\t ext4_issue_zeroout_stub);\n+\tup_write(&sb->s_umount);\n+\n \treturn 0;\n }\n \n","prefixes":["v5","1/5"]}