syzbot

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kernel BUG at fs/hfs/inode.c:444!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 1183 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444
Code: c1 40 52 05 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 40 52 05 99 e8 23 e6 8c ff e9 6c fe ff ff e8 69 af 2d ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90004e57180 EFLAGS: 00010293
RAX: ffffffff8290ace7 RBX: ffff888036429048 RCX: ffff888026b4bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004e57310 R08: ffff888026b4bb80 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000004 R12: dffffc0000000000
R13: 1ffff920009cae34 R14: ffff888036429008 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881268c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6494d1f000 CR3: 0000000036814000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1525 [inline]
 __writeback_single_inode+0x6f1/0x1000 fs/fs-writeback.c:1745
 writeback_sb_inodes+0x6b7/0xf60 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+0x40e/0xf00 fs/fs-writeback.c:2343
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x711/0x8a0 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
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x7c8/0x7d0 fs/hfs/inode.c:444
Code: c1 40 52 05 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 40 52 05 99 e8 23 e6 8c ff e9 6c fe ff ff e8 69 af 2d ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90004e57180 EFLAGS: 00010293
RAX: ffffffff8290ace7 RBX: ffff888036429048 RCX: ffff888026b4bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004e57310 R08: ffff888026b4bb80 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000004 R12: dffffc0000000000
R13: 1ffff920009cae34 R14: ffff888036429008 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881268c2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6494d1f000 CR3: 0000000036814000 CR4: 00000000003526f0