------------[ cut here ]------------ WARNING: CPU: 1 PID: 2519 at fs/ntfs3/bitmap.c:217 rb_insert_start fs/ntfs3/bitmap.c:217 [inline] WARNING: CPU: 1 PID: 2519 at fs/ntfs3/bitmap.c:217 wnd_add_free_ext+0xaba/0xd60 fs/ntfs3/bitmap.c:352 Modules linked in: CPU: 1 UID: 0 PID: 2519 Comm: kworker/u8:7 Not tainted 6.12.0-rc2-syzkaller-00006-g87d6aab2389e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: writeback wb_workfn (flush-7:2) RIP: 0010:rb_insert_start fs/ntfs3/bitmap.c:217 [inline] RIP: 0010:wnd_add_free_ext+0xaba/0xd60 fs/ntfs3/bitmap.c:352 Code: 00 fc ff df 80 3c 28 00 74 08 48 89 df e8 fe 4e 11 ff 48 8b 7c 24 08 48 89 3b 4c 89 f6 e8 ce 29 cb 08 eb 13 e8 a7 bf aa fe 90 <0f> 0b 90 48 bd 00 00 00 00 00 fc ff df 48 8b 44 24 38 80 3c 28 00 RSP: 0018:ffffc90008f46f88 EFLAGS: 00010293 RAX: ffffffff82ea2679 RBX: 0000000000000603 RCX: ffff88802de23c00 RDX: 0000000000000000 RSI: 0000000000000603 RDI: 0000000000000603 RBP: 0000000000000603 R08: ffffffff82ea25b2 R09: 0000000000000000 R10: ffff88805cb66028 R11: ffffed100b96cc07 R12: ffff88805c9a5420 R13: ffff88805c9a5420 R14: ffff8880293b62d8 R15: 1ffff1100b96cc03 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555d8685c8 CR3: 0000000061ea0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wnd_zone_set+0xa6/0x160 fs/ntfs3/bitmap.c:1421 mark_as_free_ex+0x30d/0x390 run_deallocate+0x13b/0x240 fs/ntfs3/fsntfs.c:2558 ni_try_remove_attr_list+0xcea/0xf80 fs/ntfs3/frecord.c:778 ni_write_inode+0x9fe/0x1010 fs/ntfs3/frecord.c:3403 write_inode fs/fs-writeback.c:1503 [inline] __writeback_single_inode+0x711/0x10d0 fs/fs-writeback.c:1723 writeback_sb_inodes+0x80c/0x1370 fs/fs-writeback.c:1954 wb_writeback+0x41b/0xbd0 fs/fs-writeback.c:2134 wb_do_writeback fs/fs-writeback.c:2281 [inline] wb_workfn+0x410/0x1090 fs/fs-writeback.c:2321 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244