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GET /api/1.2/patches/2189407/?format=api
{ "id": 2189407, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2189407/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260127-origin-dev-v1-1-cafda25e307f@amlogic.com/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/1.2/projects/8/?format=api", "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": "<20260127-origin-dev-v1-1-cafda25e307f@amlogic.com>", "list_archive_url": null, "date": "2026-01-27T09:34:10", "name": "ext4: EXT4_I(sbi->s_buddy_cache)->i_state_flags is not initialized", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "9b54fb3087e1855b5fb70c881f8128cc185afc8f", "submitter": { "id": 92515, "url": "http://patchwork.ozlabs.org/api/1.2/people/92515/?format=api", "name": "Jiucheng Xu via B4 Relay", "email": "devnull+jiucheng.xu.amlogic.com@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260127-origin-dev-v1-1-cafda25e307f@amlogic.com/mbox/", "series": [ { "id": 489872, "url": "http://patchwork.ozlabs.org/api/1.2/series/489872/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=489872", "date": "2026-01-27T09:34:10", "name": "ext4: EXT4_I(sbi->s_buddy_cache)->i_state_flags is not initialized", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/489872/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2189407/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2189407/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=sLGR=AA=vger.kernel.org=linux-ext4+bounces-13350-patchwork-incoming=ozlabs.org@ozlabs.org>", "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\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=WxTms2fz;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; 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arc=none smtp.client-ip=10.30.226.201" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1769506452;\n\tbh=L+QIuse+ozhQ0Fo/DWNk4BPyA1lKRir4oBdAXLHS+Hs=;\n\th=From:Date:Subject:To:Cc:Reply-To:From;\n\tb=WxTms2fzvAFF1S+pyQW2k6hIKzPkz5PkcOUIv6zVrHht4IVh8BEVz70JdQenuhx3i\n\t c1tJIX7aGh+aGYTAlrbjjCIK+CXpicfSFRui2erbcdngFpeTvyKQCE/Zlm5JIKHACj\n\t tIXuTiAXNGeuL3cMHnBQtnLXaRonRcRgEbgrbD5vRUJkjdp60IjS6xCNgE+IMvYiH0\n\t QY0wfkCxw6G+76bMNK8uKf5X5UI4M156jfVInVPjqt14PAymVpHWy0uLuEWNLM7WUb\n\t HCchBeq2Xzwd2PnM5R10ITQ8To/GlSEN7XvSEHYmR4uB8/XRuYokb49B0wkun1+Oqk\n\t qu8Ta1TTDcNaQ==", "From": "Jiucheng Xu via B4 Relay <devnull+jiucheng.xu.amlogic.com@kernel.org>", "Date": "Tue, 27 Jan 2026 17:34:10 +0800", "Subject": "[PATCH] ext4: EXT4_I(sbi->s_buddy_cache)->i_state_flags is not\n initialized", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "Message-Id": "<20260127-origin-dev-v1-1-cafda25e307f@amlogic.com>", "X-B4-Tracking": "v=1; b=H4sIAJGGeGkC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE\n vPSU3UzU4B8JSMDIzMDQyMz3fyizPTMPN2U1DJdyzQLE0Nj0yRLU1NTJaCGgqLUtMwKsGHRsbW\n 1AP5MSmpcAAAA", "X-Change-ID": "20260126-origin-dev-9f84135b9555", "To": "Theodore Ts'o <tytso@mit.edu>,\n Andreas Dilger <adilger.kernel@dilger.ca>", "Cc": "linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,\n stable@vger.kernel.org, jianxin.pan@amlogic.com, tuan.zhang@amlogic.com,\n Jiucheng Xu <jiucheng.xu@amlogic.com>", "X-Mailer": "b4 0.14.2", "X-Developer-Signature": "v=1; a=ed25519-sha256; t=1769506451; l=1571;\n i=jiucheng.xu@amlogic.com; s=20250821; h=from:subject:message-id;\n bh=YWP7kPJlOX7OLc+FLI3fR6NkrBzeRbLZcst1TTgNbyA=;\n b=f0Hg3TtsLr4287r90uzc7VGPUI1SUs5bqUrBtUn0WdVP0MYcsg5XZQwNcCvU3XErB11/1f/8P\n cICYbUnQQV3AkdS2lTKlDEsb0lpCMgqXWLVd5Gxs1uM4b8id+zxkTWr", "X-Developer-Key": "i=jiucheng.xu@amlogic.com; a=ed25519;\n pk=Q18IjkdWCCuncSplyu+dYqIrm+n42glvoLFJTQqpb2o=", "X-Endpoint-Received": "by B4 Relay for jiucheng.xu@amlogic.com/20250821 with\n auth_id=498", "X-Original-From": "Jiucheng Xu <jiucheng.xu@amlogic.com>", "Reply-To": "jiucheng.xu@amlogic.com", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "From: Jiucheng Xu <jiucheng.xu@amlogic.com>\n\nThe i_state_flags originates from an inode that was previously\ndestroyed and then allocated to s_buddy_cache; it requires\nreinitialization.\n\nThe relevant log during umount is shown below:\n\nEXT4-fs (mmcblk0p28): unmounting filesystem xxx-xxx\nEXT4-fs (mmcblk0p28): Inode 1 (39878178): inode tracked as orphan!\n39878178: 1411f3c7 e0182705 78cc454d ac11f000 .....'..ME.x....\nda10433b: 1a2e0146 792e03d0 9c2a04d1 0c788ad3 F......y..*...x.\na91573cf: 44270388 4f4202ea 721a12ea 340cbce0 ..'D..BO...r...4\n89cb2f37: 0d13f000 4f270414 1a0b01f0 4f880fe0 ......'O.......O\n810e3bc2: 3f0c02f0 482b0009 02e048d0 83f43f2a ...?..+H.H..*?..\n3f37c9f7: 02880aaf 00000000 00000000 00000000 ................\n\nSigned-off-by: Jiucheng Xu <jiucheng.xu@amlogic.com>\n---\n fs/ext4/mballoc.c | 3 +++\n 1 file changed, 3 insertions(+)\n\n\n---\nbase-commit: 4f5e8e6f012349a107531b02eed5b5ace6181449\nchange-id: 20260126-origin-dev-9f84135b9555\n\nBest regards,", "diff": "diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c\nindex dbc82b65f810fed89da7fa7149d3a05de6f107d6..20b07b2bea31ea81ffbd0b4ace3a7b218c8f4dd5 100644\n--- a/fs/ext4/mballoc.c\n+++ b/fs/ext4/mballoc.c\n@@ -3521,6 +3521,9 @@ static int ext4_mb_init_backend(struct super_block *sb)\n \tsbi->s_buddy_cache->i_ino = EXT4_BAD_INO;\n \tEXT4_I(sbi->s_buddy_cache)->i_disksize = 0;\n \text4_set_inode_mapping_order(sbi->s_buddy_cache);\n+#if (BITS_PER_LONG < 64)\n+\text4_clear_state_flags(EXT4_I(sbi->s_buddy_cache));\n+#endif\n \n \tfor (i = 0; i < ngroups; i++) {\n \t\tcond_resched();\n", "prefixes": [] }