CVE-2022-50090 (GCVE-0-2022-50090)
Vulnerability from cvelistv5
Published
2025-06-18 11:02
Modified
2025-06-18 11:02
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size On zoned filesystem, data write out is limited by max_zone_append_size, and a large ordered extent is split according the size of a bio. OTOH, the number of extents to be written is calculated using BTRFS_MAX_EXTENT_SIZE, and that estimated number is used to reserve the metadata bytes to update and/or create the metadata items. The metadata reservation is done at e.g, btrfs_buffered_write() and then released according to the estimation changes. Thus, if the number of extent increases massively, the reserved metadata can run out. The increase of the number of extents easily occurs on zoned filesystem if BTRFS_MAX_EXTENT_SIZE > max_zone_append_size. And, it causes the following warning on a small RAM environment with disabling metadata over-commit (in the following patch). [75721.498492] ------------[ cut here ]------------ [75721.505624] BTRFS: block rsv 1 returned -28 [75721.512230] WARNING: CPU: 24 PID: 2327559 at fs/btrfs/block-rsv.c:537 btrfs_use_block_rsv+0x560/0x760 [btrfs] [75721.581854] CPU: 24 PID: 2327559 Comm: kworker/u64:10 Kdump: loaded Tainted: G W 5.18.0-rc2-BTRFS-ZNS+ #109 [75721.597200] Hardware name: Supermicro Super Server/H12SSL-NT, BIOS 2.0 02/22/2021 [75721.607310] Workqueue: btrfs-endio-write btrfs_work_helper [btrfs] [75721.616209] RIP: 0010:btrfs_use_block_rsv+0x560/0x760 [btrfs] [75721.646649] RSP: 0018:ffffc9000fbdf3e0 EFLAGS: 00010286 [75721.654126] RAX: 0000000000000000 RBX: 0000000000004000 RCX: 0000000000000000 [75721.663524] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff52001f7be6e [75721.672921] RBP: ffffc9000fbdf420 R08: 0000000000000001 R09: ffff889f8d1fc6c7 [75721.682493] R10: ffffed13f1a3f8d8 R11: 0000000000000001 R12: ffff88980a3c0e28 [75721.692284] R13: ffff889b66590000 R14: ffff88980a3c0e40 R15: ffff88980a3c0e8a [75721.701878] FS: 0000000000000000(0000) GS:ffff889f8d000000(0000) knlGS:0000000000000000 [75721.712601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [75721.720726] CR2: 000055d12e05c018 CR3: 0000800193594000 CR4: 0000000000350ee0 [75721.730499] Call Trace: [75721.735166] <TASK> [75721.739886] btrfs_alloc_tree_block+0x1e1/0x1100 [btrfs] [75721.747545] ? btrfs_alloc_logged_file_extent+0x550/0x550 [btrfs] [75721.756145] ? btrfs_get_32+0xea/0x2d0 [btrfs] [75721.762852] ? btrfs_get_32+0xea/0x2d0 [btrfs] [75721.769520] ? push_leaf_left+0x420/0x620 [btrfs] [75721.776431] ? memcpy+0x4e/0x60 [75721.781931] split_leaf+0x433/0x12d0 [btrfs] [75721.788392] ? btrfs_get_token_32+0x580/0x580 [btrfs] [75721.795636] ? push_for_double_split.isra.0+0x420/0x420 [btrfs] [75721.803759] ? leaf_space_used+0x15d/0x1a0 [btrfs] [75721.811156] btrfs_search_slot+0x1bc3/0x2790 [btrfs] [75721.818300] ? lock_downgrade+0x7c0/0x7c0 [75721.824411] ? free_extent_buffer.part.0+0x107/0x200 [btrfs] [75721.832456] ? split_leaf+0x12d0/0x12d0 [btrfs] [75721.839149] ? free_extent_buffer.part.0+0x14f/0x200 [btrfs] [75721.846945] ? free_extent_buffer+0x13/0x20 [btrfs] [75721.853960] ? btrfs_release_path+0x4b/0x190 [btrfs] [75721.861429] btrfs_csum_file_blocks+0x85c/0x1500 [btrfs] [75721.869313] ? rcu_read_lock_sched_held+0x16/0x80 [75721.876085] ? lock_release+0x552/0xf80 [75721.881957] ? btrfs_del_csums+0x8c0/0x8c0 [btrfs] [75721.888886] ? __kasan_check_write+0x14/0x20 [75721.895152] ? do_raw_read_unlock+0x44/0x80 [75721.901323] ? _raw_write_lock_irq+0x60/0x80 [75721.907983] ? btrfs_global_root+0xb9/0xe0 [btrfs] [75721.915166] ? btrfs_csum_root+0x12b/0x180 [btrfs] [75721.921918] ? btrfs_get_global_root+0x820/0x820 [btrfs] [75721.929166] ? _raw_write_unlock+0x23/0x40 [75721.935116] ? unpin_extent_cache+0x1e3/0x390 [btrfs] [75721.942041] btrfs_finish_ordered_io.isra.0+0xa0c/0x1dc0 [btrfs] [75721.949906] ? try_to_wake_up+0x30/0x14a0 [75721.955700] ? btrfs_unlink_subvol+0xda0/0xda0 [btrfs] [75721.962661] ? rcu ---truncated---
References
Impacted products
Vendor Product Version
Linux Linux Version: d8e3fb106f393858b90b3befc4f6092a76c86d1c
Version: d8e3fb106f393858b90b3befc4f6092a76c86d1c
Version: d8e3fb106f393858b90b3befc4f6092a76c86d1c
Version: d8e3fb106f393858b90b3befc4f6092a76c86d1c
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/btrfs/ctree.h",
            "fs/btrfs/disk-io.c",
            "fs/btrfs/extent_io.c",
            "fs/btrfs/inode.c",
            "fs/btrfs/zoned.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "1aa262c1d056551dd1246115af8b7e351184deae",
              "status": "affected",
              "version": "d8e3fb106f393858b90b3befc4f6092a76c86d1c",
              "versionType": "git"
            },
            {
              "lessThan": "6cb4b96df97082a54634ba02196516919cda228c",
              "status": "affected",
              "version": "d8e3fb106f393858b90b3befc4f6092a76c86d1c",
              "versionType": "git"
            },
            {
              "lessThan": "096e8eb9639b342bc35f9b741cf05e26d0106e92",
              "status": "affected",
              "version": "d8e3fb106f393858b90b3befc4f6092a76c86d1c",
              "versionType": "git"
            },
            {
              "lessThan": "f7b12a62f008a3041f42f2426983e59a6a0a3c59",
              "status": "affected",
              "version": "d8e3fb106f393858b90b3befc4f6092a76c86d1c",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/btrfs/ctree.h",
            "fs/btrfs/disk-io.c",
            "fs/btrfs/extent_io.c",
            "fs/btrfs/inode.c",
            "fs/btrfs/zoned.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.12"
            },
            {
              "lessThan": "5.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.64",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.18.*",
              "status": "unaffected",
              "version": "5.18.18",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.2",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.64",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.18.18",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.19.2",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "5.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info-\u003emax_extent_size\n\nOn zoned filesystem, data write out is limited by max_zone_append_size,\nand a large ordered extent is split according the size of a bio. OTOH,\nthe number of extents to be written is calculated using\nBTRFS_MAX_EXTENT_SIZE, and that estimated number is used to reserve the\nmetadata bytes to update and/or create the metadata items.\n\nThe metadata reservation is done at e.g, btrfs_buffered_write() and then\nreleased according to the estimation changes. Thus, if the number of extent\nincreases massively, the reserved metadata can run out.\n\nThe increase of the number of extents easily occurs on zoned filesystem\nif BTRFS_MAX_EXTENT_SIZE \u003e max_zone_append_size. And, it causes the\nfollowing warning on a small RAM environment with disabling metadata\nover-commit (in the following patch).\n\n[75721.498492] ------------[ cut here ]------------\n[75721.505624] BTRFS: block rsv 1 returned -28\n[75721.512230] WARNING: CPU: 24 PID: 2327559 at fs/btrfs/block-rsv.c:537 btrfs_use_block_rsv+0x560/0x760 [btrfs]\n[75721.581854] CPU: 24 PID: 2327559 Comm: kworker/u64:10 Kdump: loaded Tainted: G        W         5.18.0-rc2-BTRFS-ZNS+ #109\n[75721.597200] Hardware name: Supermicro Super Server/H12SSL-NT, BIOS 2.0 02/22/2021\n[75721.607310] Workqueue: btrfs-endio-write btrfs_work_helper [btrfs]\n[75721.616209] RIP: 0010:btrfs_use_block_rsv+0x560/0x760 [btrfs]\n[75721.646649] RSP: 0018:ffffc9000fbdf3e0 EFLAGS: 00010286\n[75721.654126] RAX: 0000000000000000 RBX: 0000000000004000 RCX: 0000000000000000\n[75721.663524] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff52001f7be6e\n[75721.672921] RBP: ffffc9000fbdf420 R08: 0000000000000001 R09: ffff889f8d1fc6c7\n[75721.682493] R10: ffffed13f1a3f8d8 R11: 0000000000000001 R12: ffff88980a3c0e28\n[75721.692284] R13: ffff889b66590000 R14: ffff88980a3c0e40 R15: ffff88980a3c0e8a\n[75721.701878] FS:  0000000000000000(0000) GS:ffff889f8d000000(0000) knlGS:0000000000000000\n[75721.712601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[75721.720726] CR2: 000055d12e05c018 CR3: 0000800193594000 CR4: 0000000000350ee0\n[75721.730499] Call Trace:\n[75721.735166]  \u003cTASK\u003e\n[75721.739886]  btrfs_alloc_tree_block+0x1e1/0x1100 [btrfs]\n[75721.747545]  ? btrfs_alloc_logged_file_extent+0x550/0x550 [btrfs]\n[75721.756145]  ? btrfs_get_32+0xea/0x2d0 [btrfs]\n[75721.762852]  ? btrfs_get_32+0xea/0x2d0 [btrfs]\n[75721.769520]  ? push_leaf_left+0x420/0x620 [btrfs]\n[75721.776431]  ? memcpy+0x4e/0x60\n[75721.781931]  split_leaf+0x433/0x12d0 [btrfs]\n[75721.788392]  ? btrfs_get_token_32+0x580/0x580 [btrfs]\n[75721.795636]  ? push_for_double_split.isra.0+0x420/0x420 [btrfs]\n[75721.803759]  ? leaf_space_used+0x15d/0x1a0 [btrfs]\n[75721.811156]  btrfs_search_slot+0x1bc3/0x2790 [btrfs]\n[75721.818300]  ? lock_downgrade+0x7c0/0x7c0\n[75721.824411]  ? free_extent_buffer.part.0+0x107/0x200 [btrfs]\n[75721.832456]  ? split_leaf+0x12d0/0x12d0 [btrfs]\n[75721.839149]  ? free_extent_buffer.part.0+0x14f/0x200 [btrfs]\n[75721.846945]  ? free_extent_buffer+0x13/0x20 [btrfs]\n[75721.853960]  ? btrfs_release_path+0x4b/0x190 [btrfs]\n[75721.861429]  btrfs_csum_file_blocks+0x85c/0x1500 [btrfs]\n[75721.869313]  ? rcu_read_lock_sched_held+0x16/0x80\n[75721.876085]  ? lock_release+0x552/0xf80\n[75721.881957]  ? btrfs_del_csums+0x8c0/0x8c0 [btrfs]\n[75721.888886]  ? __kasan_check_write+0x14/0x20\n[75721.895152]  ? do_raw_read_unlock+0x44/0x80\n[75721.901323]  ? _raw_write_lock_irq+0x60/0x80\n[75721.907983]  ? btrfs_global_root+0xb9/0xe0 [btrfs]\n[75721.915166]  ? btrfs_csum_root+0x12b/0x180 [btrfs]\n[75721.921918]  ? btrfs_get_global_root+0x820/0x820 [btrfs]\n[75721.929166]  ? _raw_write_unlock+0x23/0x40\n[75721.935116]  ? unpin_extent_cache+0x1e3/0x390 [btrfs]\n[75721.942041]  btrfs_finish_ordered_io.isra.0+0xa0c/0x1dc0 [btrfs]\n[75721.949906]  ? try_to_wake_up+0x30/0x14a0\n[75721.955700]  ? btrfs_unlink_subvol+0xda0/0xda0 [btrfs]\n[75721.962661]  ? rcu\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:02:30.088Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/1aa262c1d056551dd1246115af8b7e351184deae"
        },
        {
          "url": "https://git.kernel.org/stable/c/6cb4b96df97082a54634ba02196516919cda228c"
        },
        {
          "url": "https://git.kernel.org/stable/c/096e8eb9639b342bc35f9b741cf05e26d0106e92"
        },
        {
          "url": "https://git.kernel.org/stable/c/f7b12a62f008a3041f42f2426983e59a6a0a3c59"
        }
      ],
      "title": "btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info-\u003emax_extent_size",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50090",
    "datePublished": "2025-06-18T11:02:30.088Z",
    "dateReserved": "2025-06-18T10:57:27.410Z",
    "dateUpdated": "2025-06-18T11:02:30.088Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50090\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:38.153\",\"lastModified\":\"2025-06-18T13:47:40.833\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nbtrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info-\u003emax_extent_size\\n\\nOn zoned filesystem, data write out is limited by max_zone_append_size,\\nand a large ordered extent is split according the size of a bio. OTOH,\\nthe number of extents to be written is calculated using\\nBTRFS_MAX_EXTENT_SIZE, and that estimated number is used to reserve the\\nmetadata bytes to update and/or create the metadata items.\\n\\nThe metadata reservation is done at e.g, btrfs_buffered_write() and then\\nreleased according to the estimation changes. Thus, if the number of extent\\nincreases massively, the reserved metadata can run out.\\n\\nThe increase of the number of extents easily occurs on zoned filesystem\\nif BTRFS_MAX_EXTENT_SIZE \u003e max_zone_append_size. And, it causes the\\nfollowing warning on a small RAM environment with disabling metadata\\nover-commit (in the following patch).\\n\\n[75721.498492] ------------[ cut here ]------------\\n[75721.505624] BTRFS: block rsv 1 returned -28\\n[75721.512230] WARNING: CPU: 24 PID: 2327559 at fs/btrfs/block-rsv.c:537 btrfs_use_block_rsv+0x560/0x760 [btrfs]\\n[75721.581854] CPU: 24 PID: 2327559 Comm: kworker/u64:10 Kdump: loaded Tainted: G        W         5.18.0-rc2-BTRFS-ZNS+ #109\\n[75721.597200] Hardware name: Supermicro Super Server/H12SSL-NT, BIOS 2.0 02/22/2021\\n[75721.607310] Workqueue: btrfs-endio-write btrfs_work_helper [btrfs]\\n[75721.616209] RIP: 0010:btrfs_use_block_rsv+0x560/0x760 [btrfs]\\n[75721.646649] RSP: 0018:ffffc9000fbdf3e0 EFLAGS: 00010286\\n[75721.654126] RAX: 0000000000000000 RBX: 0000000000004000 RCX: 0000000000000000\\n[75721.663524] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff52001f7be6e\\n[75721.672921] RBP: ffffc9000fbdf420 R08: 0000000000000001 R09: ffff889f8d1fc6c7\\n[75721.682493] R10: ffffed13f1a3f8d8 R11: 0000000000000001 R12: ffff88980a3c0e28\\n[75721.692284] R13: ffff889b66590000 R14: ffff88980a3c0e40 R15: ffff88980a3c0e8a\\n[75721.701878] FS:  0000000000000000(0000) GS:ffff889f8d000000(0000) knlGS:0000000000000000\\n[75721.712601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[75721.720726] CR2: 000055d12e05c018 CR3: 0000800193594000 CR4: 0000000000350ee0\\n[75721.730499] Call Trace:\\n[75721.735166]  \u003cTASK\u003e\\n[75721.739886]  btrfs_alloc_tree_block+0x1e1/0x1100 [btrfs]\\n[75721.747545]  ? btrfs_alloc_logged_file_extent+0x550/0x550 [btrfs]\\n[75721.756145]  ? btrfs_get_32+0xea/0x2d0 [btrfs]\\n[75721.762852]  ? btrfs_get_32+0xea/0x2d0 [btrfs]\\n[75721.769520]  ? push_leaf_left+0x420/0x620 [btrfs]\\n[75721.776431]  ? memcpy+0x4e/0x60\\n[75721.781931]  split_leaf+0x433/0x12d0 [btrfs]\\n[75721.788392]  ? btrfs_get_token_32+0x580/0x580 [btrfs]\\n[75721.795636]  ? push_for_double_split.isra.0+0x420/0x420 [btrfs]\\n[75721.803759]  ? leaf_space_used+0x15d/0x1a0 [btrfs]\\n[75721.811156]  btrfs_search_slot+0x1bc3/0x2790 [btrfs]\\n[75721.818300]  ? lock_downgrade+0x7c0/0x7c0\\n[75721.824411]  ? free_extent_buffer.part.0+0x107/0x200 [btrfs]\\n[75721.832456]  ? split_leaf+0x12d0/0x12d0 [btrfs]\\n[75721.839149]  ? free_extent_buffer.part.0+0x14f/0x200 [btrfs]\\n[75721.846945]  ? free_extent_buffer+0x13/0x20 [btrfs]\\n[75721.853960]  ? btrfs_release_path+0x4b/0x190 [btrfs]\\n[75721.861429]  btrfs_csum_file_blocks+0x85c/0x1500 [btrfs]\\n[75721.869313]  ? rcu_read_lock_sched_held+0x16/0x80\\n[75721.876085]  ? lock_release+0x552/0xf80\\n[75721.881957]  ? btrfs_del_csums+0x8c0/0x8c0 [btrfs]\\n[75721.888886]  ? __kasan_check_write+0x14/0x20\\n[75721.895152]  ? do_raw_read_unlock+0x44/0x80\\n[75721.901323]  ? _raw_write_lock_irq+0x60/0x80\\n[75721.907983]  ? btrfs_global_root+0xb9/0xe0 [btrfs]\\n[75721.915166]  ? btrfs_csum_root+0x12b/0x180 [btrfs]\\n[75721.921918]  ? btrfs_get_global_root+0x820/0x820 [btrfs]\\n[75721.929166]  ? _raw_write_unlock+0x23/0x40\\n[75721.935116]  ? unpin_extent_cache+0x1e3/0x390 [btrfs]\\n[75721.942041]  btrfs_finish_ordered_io.isra.0+0xa0c/0x1dc0 [btrfs]\\n[75721.949906]  ? try_to_wake_up+0x30/0x14a0\\n[75721.955700]  ? btrfs_unlink_subvol+0xda0/0xda0 [btrfs]\\n[75721.962661]  ? rcu\\n---truncated---\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: btrfs: reemplazar BTRFS_MAX_EXTENT_SIZE con fs_info-\u0026gt;max_extent_size En el sistema de archivos zonificado, la escritura de datos est\u00e1 limitada por max_zone_append_size, y una extensi\u00f3n ordenada grande se divide seg\u00fan el tama\u00f1o de un bio. OTOH, el n\u00famero de extensiones que se escribir\u00e1n se calcula utilizando BTRFS_MAX_EXTENT_SIZE, y ese n\u00famero estimado se utiliza para reservar los bytes de metadatos para actualizar y/o crear los elementos de metadatos. La reserva de metadatos se realiza en, por ejemplo, btrfs_buffered_write() y luego se libera de acuerdo con los cambios de estimaci\u00f3n. Por lo tanto, si el n\u00famero de extensiones aumenta masivamente, los metadatos reservados pueden agotarse. El aumento del n\u00famero de extensiones ocurre f\u00e1cilmente en el sistema de archivos zonificado si BTRFS_MAX_EXTENT_SIZE \u0026gt; max_zone_append_size. Y causa la siguiente advertencia en un entorno de RAM peque\u00f1o con la deshabilitaci\u00f3n de la sobreasignaci\u00f3n de metadatos (en el siguiente parche). [75721.498492] ------------[ cortar aqu\u00ed ]------------ [75721.505624] BTRFS: el bloque rsv 1 devolvi\u00f3 -28 [75721.512230] ADVERTENCIA: CPU: 24 PID: 2327559 en fs/btrfs/block-rsv.c:537 btrfs_use_block_rsv+0x560/0x760 [btrfs] [75721.581854] CPU: 24 PID: 2327559 Comm: kworker/u64:10 Kdump: cargado Tainted: GW 5.18.0-rc2-BTRFS-ZNS+ #109 [75721.597200] Nombre del hardware: Supermicro Super Server/H12SSL-NT, BIOS 2.0 22/02/2021 [75721.607310] Cola de trabajo: btrfs-endio-write btrfs_work_helper [btrfs] [75721.616209] RIP: 0010:btrfs_use_block_rsv+0x560/0x760 [btrfs] [75721.646649] RSP: 0018:ffffc9000fbdf3e0 EFLAGS: 00010286 [75721.654126] RAX: 00000000000000000 RBX: 0000000000004000 RCX: 0000000000000000 [75721.663524] RDX: 0000000000000004 RSI: 0000000000000008 RDI: fffff52001f7be6e [75721.672921] RBP: ffffc9000fbdf420 R08: 0000000000000001 R09: ffff889f8d1fc6c7 [75721.682493] R10: ffffed13f1a3f8d8 R11: 000000000000001 R12: ffff88980a3c0e28 [75721.692284] R13: ffff889b66590000 R14: ffff88980a3c0e40 R15: ffff88980a3c0e8a [75721.701878] FS: 0000000000000000(0000) GS:ffff889f8d000000(0000) knlGS:0000000000000000 [75721.712601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [75721.720726] CR2: 000055d12e05c018 CR3: 0000800193594000 CR4: 0000000000350ee0 [75721.730499] Rastreo de llamadas: [75721.735166]  [75721.739886] btrfs_alloc_tree_block+0x1e1/0x1100 [btrfs] [75721.747545] ? btrfs_alloc_logged_file_extent+0x550/0x550 [btrfs] [75721.756145] ? btrfs_get_32+0xea/0x2d0 [btrfs] [75721.762852] ? btrfs_get_32+0xea/0x2d0 [btrfs] [75721.769520] ? push_leaf_left+0x420/0x620 [btrfs] [75721.776431] ? memcpy+0x4e/0x60 [75721.781931] split_leaf+0x433/0x12d0 [btrfs] [75721.788392] ? btrfs_get_token_32+0x580/0x580 [btrfs] [75721.795636] ? push_for_double_split.isra.0+0x420/0x420 [btrfs] [75721.803759] ? leaf_space_used+0x15d/0x1a0 [btrfs] [75721.811156] btrfs_search_slot+0x1bc3/0x2790 [btrfs] [75721.818300] ? lock_downgrade+0x7c0/0x7c0 [75721.824411] ? free_extent_buffer.part.0+0x107/0x200 [btrfs] [75721.832456] ? split_leaf+0x12d0/0x12d0 [btrfs] [75721.839149] ? free_extent_buffer.part.0+0x14f/0x200 [btrfs] [75721.846945] ? free_extent_buffer+0x13/0x20 [btrfs] [75721.853960] ? btrfs_release_path+0x4b/0x190 [btrfs] [75721.861429] btrfs_csum_file_blocks+0x85c/0x1500 [btrfs] [75721.869313] ? rcu_read_lock_sched_held+0x16/0x80 [75721.876085] ? lock_release+0x552/0xf80 [75721.881957] ? btrfs_del_csums+0x8c0/0x8c0 [btrfs] [75721.888886] ? __kasan_check_write+0x14/0x20 [75721.895152] ? do_raw_read_unlock+0x44/0x80 [75721.901323] ? _raw_write_lock_irq+0x60/0x80 [75721.907983] ? btrfs_global_root+0xb9/0xe0 [btrfs] [75721.915166] ? btrfs_csum_root+0x12b/0x180 [btrfs] [75721.921918] ? btrfs_get_global_root+0x820/0x820 [btrfs] [75721.929166] ? _raw_write_unlock+0x23/0x40 [75721.935116] ? unpin_extent_cache+0x1e3/0x390 [btrfs] [75721.942041] btrfs_finish_ordered_io.isra.0+0xa0c/0x1dc0 [btrfs] [75721.949906] ? try_to_wake_up+0x30/0x14a0 [75721.955700] ? btrfs_unlink_subvol+0xda---truncado---\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/096e8eb9639b342bc35f9b741cf05e26d0106e92\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/1aa262c1d056551dd1246115af8b7e351184deae\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6cb4b96df97082a54634ba02196516919cda228c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f7b12a62f008a3041f42f2426983e59a6a0a3c59\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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