f2fs: multidev: fix to recognize valid zero block address

{
  "id": "8ad744ec6ddc5c458fd8d40dd4142ab83326e9bfa3a3ad1626a931e9296430ea",
  "url": "https://osv.dev/vulnerability/CVE-2024-38636",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "f2fs: multidev: fix to recognize valid zero block address",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: f2fs: multidev: fix to recognize valid zero block address As reported by Yi Zhang in mailing list [1], kernel warning was catched during zbd/010 test as below: ./check zbd/010 zbd/010 (test gap zone support with F2FS) [failed] runtime ... 3.752s something found in dmesg: [ 4378.146781] run blktests zbd/010 at 2024-02-18 11:31:13 [ 4378.192349] null_blk: module loaded [ 4378.209860] null_blk: disk nullb0 created [ 4378.413285] scsi_debug:sdebug_driver_probe: scsi_debug: trim poll_queues to 0. poll_q/nr_hw = (0/1) [ 4378.422334] scsi host15: scsi_debug: version 0191 [20210520] dev_size_mb=1024, opts=0x0, submit_queues=1, statistics=0 [ 4378.434922] scsi 15:0:0:0: Direct-Access-ZBC Linux scsi_debug 0191 PQ: 0 ANSI: 7 [ 4378.443343] scsi 15:0:0:0: Power-on or device reset occurred [ 4378.449371] sd 15:0:0:0: Attached scsi generic sg5 type 20 [ 4378.449418] sd 15:0:0:0: [sdf] Host-managed zoned block device ... (See '/mnt/tests/gitlab.com/api/v4/projects/19168116/repository/archive.zip/storage/blktests/blk/blktests/results/nodev/zbd/010.dmesg' WARNING: CPU: 22 PID: 44011 at fs/iomap/iter.c:51 CPU: 22 PID: 44011 Comm: fio Not tainted 6.8.0-rc3+ #1 RIP: 0010:iomap_iter+0x32b/0x350 Call Trace: __iomap_dio_rw+0x1df/0x830 f2fs_file_read_iter+0x156/0x3d0 [f2fs] aio_read+0x138/0x210 io_submit_one+0x188/0x8c0 __x64_sys_io_submit+0x8c/0x1a0 do_syscall_64+0x86/0x170 entry_SYSCALL_64_after_hwframe+0x6e/0x76 Shinichiro Kawasa",
    "evidence": "osv:CVE-2024-38636",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.1.93",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.33",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-38636",
      "aliases": [
        "CVE-2024-38636"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1517c1a7a4456f080fabc4ac9853930e4b880d14"
                },
                {
                  "fixed": "1a9225fdd0ec95fcf32936bcea9ceef0cf1512dc"
                },
                {
                  "fixed": "2b2611a42462c6c685d40b5f3aedcd8d21c27065"
                },
                {
                  "fixed": "e8b485e39b4d17afa9a2821fc778d5a67abfc03a"
                },
                {
                  "fixed": "33e62cd7b4c281cd737c62e5d8c4f0e602a8c5c5"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-38636.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.17.0"
                },
                {
                  "fixed": "6.1.93"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.33"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.9.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-38636.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:40.029761411Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1a9225fdd0ec95fcf32936bcea9ceef0cf1512dc",
        "https://git.kernel.org/stable/c/2b2611a42462c6c685d40b5f3aedcd8d21c27065",
        "https://git.kernel.org/stable/c/33e62cd7b4c281cd737c62e5d8c4f0e602a8c5c5",
        "https://git.kernel.org/stable/c/e8b485e39b4d17afa9a2821fc778d5a67abfc03a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/38xxx/CVE-2024-38636.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-38636",
        "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/2024/38xxx/CVE-2024-38636.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-38636",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 507397,
  "published_at": "2024-06-21T10:18:24.9+00:00"
}