------------[ cut here ]------------ WARNING: fs/buffer.c:1125 at __getblk_slow fs/buffer.c:1125 [inline], CPU#0: kworker/u8:16/7846 WARNING: fs/buffer.c:1125 at bdev_getblk+0x580/0x660 fs/buffer.c:1461, CPU#0: kworker/u8:16/7846 Modules linked in: CPU: 0 UID: 0 PID: 7846 Comm: kworker/u8:16 Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:__getblk_slow fs/buffer.c:1125 [inline] RIP: 0010:bdev_getblk+0x580/0x660 fs/buffer.c:1461 Code: 26 fb ff ff e8 31 e3 78 ff 48 c7 c7 a0 fd 99 8b 48 c7 c6 b8 e6 9f 8d 4c 89 fa 4c 89 e9 e8 48 d0 e0 fe eb bd e8 11 e3 78 ff 90 <0f> 0b 90 48 b8 00 00 00 00 00 fc ff df 41 80 3c 07 00 74 08 48 89 RSP: 0018:ffffc90003626b18 EFLAGS: 00010293 RAX: ffffffff8246cd6f RBX: ffff888148cd3998 RCX: ffff8880212a3c00 RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000000 RBP: 0000000000000400 R08: ffffc90003626880 R09: 0000000000000020 R10: 0000000000000406 R11: ffffffff819e17f0 R12: ffff888148cd42e8 R13: ffff888148cd3980 R14: 0000000000000400 R15: 1ffff1102919a733 FS: 0000000000000000(0000) GS:ffff888125be7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f732b1d9c24 CR3: 000000006db4c000 CR4: 00000000003526f0 Call Trace: __bread_gfp+0x89/0x3c0 fs/buffer.c:1515 sb_bread_unmovable include/linux/buffer_head.h:352 [inline] ntfs_bread fs/ntfs3/fsntfs.c:1029 [inline] ntfs_read_run_nb+0x489/0xdb0 fs/ntfs3/fsntfs.c:1221 ntfs_read_bh+0x40/0x7e0 fs/ntfs3/fsntfs.c:1289 indx_read+0x2f4/0xc20 fs/ntfs3/index.c:1067 indx_find+0x4bb/0xba0 fs/ntfs3/index.c:1179 indx_update_dup+0x3a4/0x730 fs/ntfs3/index.c:2672 ni_update_parent+0x9e7/0xdd0 fs/ntfs3/frecord.c:3182 ni_write_inode+0x901/0xf50 fs/ntfs3/frecord.c:3273 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x6f1/0xff0 fs/fs-writeback.c:1745 writeback_sb_inodes+0x6c7/0x1010 fs/fs-writeback.c:1976 wb_writeback+0x43b/0xaf0 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x409/0xef0 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3239 [inline] process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3322 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3403 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245