{"id":"CVE-2024-58089","summary":"btrfs: fix double accounting race when btrfs_run_delalloc_range() failed","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: fix double accounting race when btrfs_run_delalloc_range() failed\n\n[BUG]\nWhen running btrfs with block size (4K) smaller than page size (64K,\naarch64), there is a very high chance to crash the kernel at\ngeneric/750, with the following messages:\n(before the call traces, there are 3 extra debug messages added)\n\n  BTRFS warning (device dm-3): read-write for sector size 4096 with page size 65536 is experimental\n  BTRFS info (device dm-3): checking UUID tree\n  hrtimer: interrupt took 5451385 ns\n  BTRFS error (device dm-3): cow_file_range failed, root=4957 inode=257 start=1605632 len=69632: -28\n  BTRFS error (device dm-3): run_delalloc_nocow failed, root=4957 inode=257 start=1605632 len=69632: -28\n  BTRFS error (device dm-3): failed to run delalloc range, root=4957 ino=257 folio=1572864 submit_bitmap=8-15 start=1605632 len=69632: -28\n  ------------[ cut here ]------------\n  WARNING: CPU: 2 PID: 3020984 at ordered-data.c:360 can_finish_ordered_extent+0x370/0x3b8 [btrfs]\n  CPU: 2 UID: 0 PID: 3020984 Comm: kworker/u24:1 Tainted: G           OE      6.13.0-rc1-custom+ #89\n  Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE\n  Hardware name: QEMU KVM Virtual Machine, BIOS unknown 2/2/2022\n  Workqueue: events_unbound btrfs_async_reclaim_data_space [btrfs]\n  pc : can_finish_ordered_extent+0x370/0x3b8 [btrfs]\n  lr : can_finish_ordered_extent+0x1ec/0x3b8 [btrfs]\n  Call trace:\n   can_finish_ordered_extent+0x370/0x3b8 [btrfs] (P)\n   can_finish_ordered_extent+0x1ec/0x3b8 [btrfs] (L)\n   btrfs_mark_ordered_io_finished+0x130/0x2b8 [btrfs]\n   extent_writepage+0x10c/0x3b8 [btrfs]\n   extent_write_cache_pages+0x21c/0x4e8 [btrfs]\n   btrfs_writepages+0x94/0x160 [btrfs]\n   do_writepages+0x74/0x190\n   filemap_fdatawrite_wbc+0x74/0xa0\n   start_delalloc_inodes+0x17c/0x3b0 [btrfs]\n   btrfs_start_delalloc_roots+0x17c/0x288 [btrfs]\n   shrink_delalloc+0x11c/0x280 [btrfs]\n   flush_space+0x288/0x328 [btrfs]\n   btrfs_async_reclaim_data_space+0x180/0x228 [btrfs]\n   process_one_work+0x228/0x680\n   worker_thread+0x1bc/0x360\n   kthread+0x100/0x118\n   ret_from_fork+0x10/0x20\n  ---[ end trace 0000000000000000 ]---\n  BTRFS critical (device dm-3): bad ordered extent accounting, root=4957 ino=257 OE offset=1605632 OE len=16384 to_dec=16384 left=0\n  BTRFS critical (device dm-3): bad ordered extent accounting, root=4957 ino=257 OE offset=1622016 OE len=12288 to_dec=12288 left=0\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008\n  BTRFS critical (device dm-3): bad ordered extent accounting, root=4957 ino=257 OE offset=1634304 OE len=8192 to_dec=4096 left=0\n  CPU: 1 UID: 0 PID: 3286940 Comm: kworker/u24:3 Tainted: G        W  OE      6.13.0-rc1-custom+ #89\n  Hardware name: QEMU KVM Virtual Machine, BIOS unknown 2/2/2022\n  Workqueue:  btrfs_work_helper [btrfs] (btrfs-endio-write)\n  pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n  pc : process_one_work+0x110/0x680\n  lr : worker_thread+0x1bc/0x360\n  Call trace:\n   process_one_work+0x110/0x680 (P)\n   worker_thread+0x1bc/0x360 (L)\n   worker_thread+0x1bc/0x360\n   kthread+0x100/0x118\n   ret_from_fork+0x10/0x20\n  Code: f84086a1 f9000fe1 53041c21 b9003361 (f9400661)\n  ---[ end trace 0000000000000000 ]---\n  Kernel panic - not syncing: Oops: Fatal exception\n  SMP: stopping secondary CPUs\n  SMP: failed to stop secondary CPUs 2-3\n  Dumping ftrace buffer:\n     (ftrace buffer empty)\n  Kernel Offset: 0x275bb9540000 from 0xffff800080000000\n  PHYS_OFFSET: 0xffff8fbba0000000\n  CPU features: 0x100,00000070,00801250,8201720b\n\n[CAUSE]\nThe above warning is triggered immediately after the delalloc range\nfailure, this happens in the following sequence:\n\n- Range [1568K, 1636K) is dirty\n\n   1536K  1568K     1600K    1636K  1664K\n   |      |/////////|////////|      |\n\n  Where 1536K, 1600K and 1664K are page boundaries (64K page size)\n\n- Enter extent_writepage() for page 1536K\n\n- Enter run_delalloc_nocow() with locke\n---truncated---","modified":"2026-04-02T12:25:31.269068Z","published":"2025-03-12T09:41:59.709Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58089.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0283ee1912c8e243c931f4ee5b3672e954fe0384"},{"type":"WEB","url":"https://git.kernel.org/stable/c/21333148b5c9e52f41fafcedec3810b56a5e0e40"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72dad8e377afa50435940adfb697e070d3556670"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/58xxx/CVE-2024-58089.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-58089"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d1051d6ebf8ef3517a5a3cf82bba8436d190f1c2"},{"fixed":"21333148b5c9e52f41fafcedec3810b56a5e0e40"},{"fixed":"0283ee1912c8e243c931f4ee5b3672e954fe0384"},{"fixed":"72dad8e377afa50435940adfb697e070d3556670"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"eb124aaa2e85e9dceac37be5b7166a04b9b26735"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-58089.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}