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GET /api/1.1/patches/2228785/?format=api
{ "id": 2228785, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228785/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20260427114750.2480900-3-fuchsfl@gmail.com/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/1.1/projects/3/?format=api", "name": "Linux MTD development", "link_name": "linux-mtd", "list_id": "linux-mtd.lists.infradead.org", "list_email": "linux-mtd@lists.infradead.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260427114750.2480900-3-fuchsfl@gmail.com>", "date": "2026-04-27T11:47:49", "name": "[v2,2/3] mtd: maps: vmu-flash: fix fault in unaligned fixup", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "470f7f0d3d8dc1c57ae25d5e47dffd3058377f88", "submitter": { "id": 92066, "url": "http://patchwork.ozlabs.org/api/1.1/people/92066/?format=api", "name": "Florian Fuchs", "email": "fuchsfl@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20260427114750.2480900-3-fuchsfl@gmail.com/mbox/", "series": [ { "id": 501632, "url": "http://patchwork.ozlabs.org/api/1.1/series/501632/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=501632", "date": "2026-04-27T11:47:47", "name": "mtd: maps: vmu-flash: Fix build and runtime errors", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/501632/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228785/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228785/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=a+egJ1BU;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=c+PfZUi4;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; 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The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: Use kzalloc_obj() / kzalloc_objs() to allocate the memcard\n structs,\n instead of kmalloc_obj() / kmalloc_objs() to prevent access to uninitialized\n data. Fixes runtime error: Fault in unaligned fixup: 0000 [#1] at\n mtd_get_fact_prot_info. \n Content analysis details: (-2.1 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no\n trust\n [2a00:1450:4864:20:0:0:0:431 listed in]\n [list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail\n provider\n [fuchsfl(at)gmail.com]", "X-BeenThere": "linux-mtd@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-mtd/>", "List-Post": "<mailto:linux-mtd@lists.infradead.org>", "List-Help": "<mailto:linux-mtd-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-mtd>,\n <mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-mtd\" <linux-mtd-bounces@lists.infradead.org>", "Errors-To": "linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "Use kzalloc_obj() / kzalloc_objs() to allocate the memcard structs,\ninstead of kmalloc_obj() / kmalloc_objs() to prevent access to\nuninitialized data.\n\nFixes runtime error: Fault in unaligned fixup: 0000 [#1] at\nmtd_get_fact_prot_info.\n\nSigned-off-by: Florian Fuchs <fuchsfl@gmail.com>\n---\nv1->v2: no functional change, just rebased.\n\nv1: https://lore.kernel.org/lkml/20251117224408.498449-3-fuchsfl@gmail.com/\n\n drivers/mtd/maps/vmu-flash.c | 6 +++---\n 1 file changed, 3 insertions(+), 3 deletions(-)", "diff": "diff --git a/drivers/mtd/maps/vmu-flash.c b/drivers/mtd/maps/vmu-flash.c\nindex 75e06d249ce9..b76d0609d1b7 100644\n--- a/drivers/mtd/maps/vmu-flash.c\n+++ b/drivers/mtd/maps/vmu-flash.c\n@@ -609,7 +609,7 @@ static int vmu_connect(struct maple_device *mdev)\n \n \tbasic_flash_data = be32_to_cpu(mdev->devinfo.function_data[c - 1]);\n \n-\tcard = kmalloc_obj(struct memcard);\n+\tcard = kzalloc_obj(struct memcard);\n \tif (!card) {\n \t\terror = -ENOMEM;\n \t\tgoto fail_nomem;\n@@ -627,13 +627,13 @@ static int vmu_connect(struct maple_device *mdev)\n \t* Not sure there are actually any multi-partition devices in the\n \t* real world, but the hardware supports them, so, so will we\n \t*/\n-\tcard->parts = kmalloc_objs(struct vmupart, card->partitions);\n+\tcard->parts = kzalloc_objs(struct vmupart, card->partitions);\n \tif (!card->parts) {\n \t\terror = -ENOMEM;\n \t\tgoto fail_partitions;\n \t}\n \n-\tcard->mtd = kmalloc_objs(struct mtd_info, card->partitions);\n+\tcard->mtd = kzalloc_objs(struct mtd_info, card->partitions);\n \tif (!card->mtd) {\n \t\terror = -ENOMEM;\n \t\tgoto fail_mtd_info;\n", "prefixes": [ "v2", "2/3" ] }