slub/kunit: fix a WARNING due to unwrapped __kmalloc_cache_noprof

{
  "id": "95aa619f241c63b33c4b47217e554fa722729a7160b98296398543c9e8fbf99d",
  "url": "https://osv.dev/vulnerability/CVE-2024-53049",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "slub/kunit: fix a WARNING due to unwrapped __kmalloc_cache_noprof",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: slub/kunit: fix a WARNING due to unwrapped __kmalloc_cache_noprof 'modprobe slub_kunit' will have a warning as shown below. The root cause is that __kmalloc_cache_noprof was directly used, which resulted in no alloc_tag being allocated. This caused current->alloc_tag to be null, leading to a warning in alloc_tag_add_check. Let's add an alloc_hook layer to __kmalloc_cache_noprof specifically within lib/slub_kunit.c, which is the only user of this internal slub function outside kmalloc implementation itself. [58162.947016] WARNING: CPU: 2 PID: 6210 at ./include/linux/alloc_tag.h:125 alloc_tagging_slab_alloc_hook+0x268/0x27c [58162.957721] Call trace: [58162.957919] alloc_tagging_slab_alloc_hook+0x268/0x27c [58162.958286] __kmalloc_cache_noprof+0x14c/0x344 [58162.958615] test_kmalloc_redzone_access+0x50/0x10c [slub_kunit] [58162.959045] kunit_try_run_case+0x74/0x184 [kunit] [58162.959401] kunit_generic_run_threadfn_adapter+0x2c/0x4c [kunit] [58162.959841] kthread+0x10c/0x118 [58162.960093] ret_from_fork+0x10/0x20 [58162.960363] ---[ end trace 0000000000000000 ]---",
    "evidence": "osv:CVE-2024-53049",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.11.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-53049",
      "aliases": [
        "CVE-2024-53049"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "a0a44d9175b349df2462089140fb7f292100bd7c"
                },
                {
                  "fixed": "79aea7dfd98fbbf282d1408fc21849fc9a677768"
                },
                {
                  "fixed": "2b059d0d1e624adc6e69a754bc48057f8bf459dc"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53049.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.11.7"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-53049.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.485221763Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/2b059d0d1e624adc6e69a754bc48057f8bf459dc",
        "https://git.kernel.org/stable/c/79aea7dfd98fbbf282d1408fc21849fc9a677768",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53049.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-53049",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/53xxx/CVE-2024-53049.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-53049",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521036,
  "published_at": "2024-11-19T17:19:35.26+00:00"
}