f2fs: fix to don't panic system for no free segment fault injection

{
  "id": "4c0641fb0aa0b01c753eea036bb6315dfef98b924a714664fc96103d26ceb199",
  "url": "https://osv.dev/vulnerability/CVE-2024-49887",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "f2fs: fix to don't panic system for no free segment fault injection",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to don't panic system for no free segment fault injection f2fs: fix to don't panic system for no free segment fault injection syzbot reports a f2fs bug as below: F2FS-fs (loop0): inject no free segment in get_new_segment of __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 F2FS-fs (loop0): Stopped filesystem due to reason: 7 ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2748! CPU: 0 UID: 0 PID: 5109 Comm: syz-executor304 Not tainted 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0 RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 Call Trace: __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 f2fs_allocate_new_section fs/f2fs/segment.c:3181 [inline] f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3195 f2fs_expand_inode_data+0x5d6/0xbb0 fs/f2fs/file.c:1799 f2fs_fallocate+0x448/0x960 fs/f2fs/file.c:1903 vfs_fallocate+0x553/0x6c0 fs/open.c:334 do_vfs_ioctl+0x2592/0x2e50 fs/ioctl.c:886 __do_sys_ioctl fs/ioctl.c:905 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 The root cause is when we inject no free segment fault into f2fs, we should no",
    "evidence": "osv:CVE-2024-49887",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.10.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-49887",
      "aliases": [
        "CVE-2024-49887"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8b10d3653735e117bc1954ade80d75ad7b46b801"
                },
                {
                  "fixed": "9f6e7a0512a57387d36f5e9e9635d6668cac13dd"
                },
                {
                  "fixed": "645ec43760e86d3079fee2e8b51fde7060a540d0"
                },
                {
                  "fixed": "65a6ce4726c27b45600303f06496fef46d00b57f"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49887.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.9.0"
                },
                {
                  "fixed": "6.10.14"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.11.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49887.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:24.931338532Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/645ec43760e86d3079fee2e8b51fde7060a540d0",
        "https://git.kernel.org/stable/c/65a6ce4726c27b45600303f06496fef46d00b57f",
        "https://git.kernel.org/stable/c/9f6e7a0512a57387d36f5e9e9635d6668cac13dd",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49887.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49887",
        "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/2024/49xxx/CVE-2024-49887.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-49887",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 491309,
  "published_at": "2024-10-21T18:01:23.561+00:00"
}