CVE-2024-58089: In the Linux kernel, the following vulnerability has been resolved:  btrfs: fix double accounting race when btrfs_run_delalloc_range() failed  [BUG] When running btrfs with block size (4K) smaller than page size (64K, aarch64), there is a very high chance to crash the kernel at generic/750, with the following messages: (before the call traces, there are 3 extra debug messages added)    BTRFS warning (device dm-3): read-write for sector size 4096 with page size 65536 is experimental   BTRFS info (device dm-3): checking UUID tree   hrtimer: interrupt took 5451385 ns   BTRFS error (device dm-3): cow_file_range failed, root=4957 inode=257 start=1605632 len=69632: -28   BTRFS error (device dm-3): run_delalloc_nocow failed, root=4957 inode=257 start=1605632 len=69632: -28   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   ------------[ cut here ]------------   WARNING: CPU: 2 PID: 3020984 at ordered-data.c:360 can_finish_ordered_extent+0x370/0x3b8 [btrfs]   CPU: 2 UID: 0 PID: 3020984 Comm: kworker/u24:1 Tainted: G           OE      6.13.0-rc1-custom+ #89   Tainted: [O]=OOT_MODULE, [E]=UNSIGNED_MODULE   Hardware name: QEMU KVM Virtual Machine, BIOS unknown 2/2/2022   Workqueue: events_unbound btrfs_async_reclaim_data_space [btrfs]   pc : can_finish_ordered_extent+0x370/0x3b8 [btrfs]   lr : can_finish_ordered_extent+0x1ec/0x3b8 [btrfs]   Call trace:    can_finish_ordered_extent+0x370/0x3b8 [btrfs] (P)    can_finish_ordered_extent+0x1ec/0x3b8 [btrfs] (L)    btrfs_mark_ordered_io_finished+0x130/0x2b8 [btrfs]    extent_writepage+0x10c/0x3b8 [btrfs]    extent_write_cache_pages+0x21c/0x4e8 [btrfs]    btrfs_writepages+0x94/0x160 [btrfs]    do_writepages+0x74/0x190    filemap_fdatawrite_wbc+0x74/0xa0    start_delalloc_inodes+0x17c/0x3b0 [btrfs]    btrfs_start_delalloc_roots+0x17c/0x288 [btrfs]    shrink_delalloc+0x11c/0x280 [btrfs]    flush_space+0x288/0x328 [btrfs]    btrfs_async_reclaim_data_space+0x180/0x228 [btrfs]    process_one_work+0x228/0x680    worker_thread+0x1bc/0x360    kthread+0x100/0x118    ret_from_fork+0x10/0x20   ---[ end trace 0000000000000000 ]---   BTRFS critical (device dm-3): bad ordered extent accounting, root=4957 ino=257 OE offset=1605632 OE len=16384 to_dec=16384 left=0   BTRFS critical (device dm-3): bad ordered extent accounting, root=4957 ino=257 OE offset=1622016 OE len=12288 to_dec=12288 left=0   Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008   BTRFS critical (device dm-3): bad ordered extent accounting, root=4957 ino=257 OE offset=1634304 OE len=8192 to_dec=4096 left=0   CPU: 1 UID: 0 PID: 3286940 Comm: kworker/u24:3 Tainted: G        W  OE      6.13.0-rc1-custom+ #89   Hardware name: QEMU KVM Virtual Machine, BIOS unknown 2/2/2022   Workqueue:  btrfs_work_helper [btrfs] (btrfs-endio-write)   pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)   pc : process_one_work+0x110/0x680   lr : worker_thread+0x1bc/0x360   Call trace:    process_one_work+0x110/0x680 (P)    worker_thread+0x1bc/0x360 (L)    worker_thread+0x1bc/0x360    kthread+0x100/0x118    ret_from_fork+0x10/0x20   Code: f84086a1 f9000fe1 53041c21 b9003361 (f9400661)   ---[ end trace 0000000000000000 ]---   Kernel panic - not syncing: Oops: Fatal exception   SMP: stopping secondary CPUs   SMP: failed to stop secondary CPUs 2-3   Dumping ftrace buffer:      (ftrace buffer empty)   Kernel Offset: 0x275bb9540000 from 0xffff800080000000   PHYS_OFFSET: 0xffff8fbba0000000   CPU features: 0x100,00000070,00801250,8201720b  [CAUSE] The above warning is triggered immediately after the delalloc range failure, this happens in the following sequence:  - Range [1568K, 1636K) is dirty     1536K  1568K     1600K    1636K  1664K    |      |/////////|////////|      |    Where 1536K, 1600K and 1664K are page boundaries (64K page size)  - Enter extent_writepage() for page 1536K  - Enter run_delalloc_nocow() with locke ---truncated---