syzbot

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kernel BUG at fs/hfs/inode.c:456!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 2152 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: writeback wb_workfn (flush-7:0)
RIP: 0010:hfs_write_inode+0x86f/0x8a0 fs/hfs/inode.c:456
Code: 69 32 0c 89 de 81 e6 00 00 00 40 31 ff e8 a9 a1 27 ff 81 e3 00 00 00 40 75 12 e8 ec 9c 27 ff e9 55 f8 ff ff e8 e2 9c 27 ff 90 <0f> 0b e8 da 9c 27 ff e8 25 64 9a fe e9 3e f8 ff ff 44 89 f1 80 e1
RSP: 0018:ffffc9000629f180 EFLAGS: 00010293
RAX: ffffffff82980f4e RBX: ffff888058fe9048 RCX: ffff888029395ac0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000629f308 R08: ffff888029395ac0 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000004 R12: dffffc0000000000
R13: 1ffff92000c53e34 R14: 0000000000000000 R15: ffff888058fe9008
FS:  0000000000000000(0000) GS:ffff888126def000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a4e6836b30 CR3: 0000000020f96000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1582 [inline]
 __writeback_single_inode+0x7e4/0x1240 fs/fs-writeback.c:1802
 writeback_sb_inodes+0x8c8/0x1840 fs/fs-writeback.c:2030
 wb_writeback+0x42b/0xaa0 fs/fs-writeback.c:2216
 wb_do_writeback fs/fs-writeback.c:2363 [inline]
 wb_workfn+0x3fe/0xee0 fs/fs-writeback.c:2403
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x510/0xa50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x86f/0x8a0 fs/hfs/inode.c:456
Code: 69 32 0c 89 de 81 e6 00 00 00 40 31 ff e8 a9 a1 27 ff 81 e3 00 00 00 40 75 12 e8 ec 9c 27 ff e9 55 f8 ff ff e8 e2 9c 27 ff 90 <0f> 0b e8 da 9c 27 ff e8 25 64 9a fe e9 3e f8 ff ff 44 89 f1 80 e1
RSP: 0018:ffffc9000629f180 EFLAGS: 00010293
RAX: ffffffff82980f4e RBX: ffff888058fe9048 RCX: ffff888029395ac0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000629f308 R08: ffff888029395ac0 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000004 R12: dffffc0000000000
R13: 1ffff92000c53e34 R14: 0000000000000000 R15: ffff888058fe9008
FS:  0000000000000000(0000) GS:ffff888126def000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055a4e6836b30 CR3: 0000000020f96000 CR4: 00000000003526f0