syzbot

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kernel BUG at fs/hfs/inode.c:474!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 175 Comm: kworker/u8:9[  124.935851][  T175] CPU: 0 UID: 0 PID: 175 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0x934/0x960 fs/hfs/inode.c:474
Code: 40 31 ff e8 be 71 1d ff 81 e3 00 00 00 40 75 1c e8 01 6d 1d ff 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 dc f7 ff ff e8 ed 6c 1d ff 90 <0f> 0b e8 e5 6c 1d ff e8 50 8d 8b fe eb dd 44 89 f1 80 e1 07 80 c1
RSP: 0018:ffffc90003aa71a0 EFLAGS: 00010293
RAX: ffffffff82a70453 RBX: ffff88803857c0c8 RCX: ffff888020750000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003aa7328 R08: ffff888020750000 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000004 R12: dffffc0000000000
R13: 1ffff92000754e38 R14: 0000000000000000 R15: ffff88803857c088
FS:  0000000000000000(0000) GS:ffff888126179000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555ca30a28 CR3: 000000000ddb6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1584 [inline]
 __writeback_single_inode+0x75d/0x10e0 fs/fs-writeback.c:1827
 writeback_sb_inodes+0x97f/0x1980 fs/fs-writeback.c:2056
 wb_writeback+0x445/0xb00 fs/fs-writeback.c:2241
 wb_do_writeback fs/fs-writeback.c:2388 [inline]
 wb_workfn+0x3fd/0xf20 fs/fs-writeback.c:2428
 process_one_work kernel/workqueue.c:3302 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3385
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3466
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x934/0x960 fs/hfs/inode.c:474
Code: 40 31 ff e8 be 71 1d ff 81 e3 00 00 00 40 75 1c e8 01 6d 1d ff 48 bb f8 f8 f8 f8 f8 f8 f8 f8 e9 dc f7 ff ff e8 ed 6c 1d ff 90 <0f> 0b e8 e5 6c 1d ff e8 50 8d 8b fe eb dd 44 89 f1 80 e1 07 80 c1
RSP: 0018:ffffc90003aa71a0 EFLAGS: 00010293
RAX: ffffffff82a70453 RBX: ffff88803857c0c8 RCX: ffff888020750000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003aa7328 R08: ffff888020750000 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000004 R12: dffffc0000000000
R13: 1ffff92000754e38 R14: 0000000000000000 R15: ffff88803857c088
FS:  0000000000000000(0000) GS:ffff888126279000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000037c3e000 CR4: 00000000003526f0