------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:449!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 59 Comm: kworker/u4:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: writeback wb_workfn (flush-7:3)
RIP: 0010:hfs_write_inode+0x87a/0x880 fs/hfs/inode.c:449
Code: c7 c1 00 83 30 97 80 e1 07 80 c1 03 38 c1 0f 8c 73 fe ff ff 48 c7 c7 00 83 30 97 e8 e0 11 84 ff e9 62 fe ff ff e8 a6 ea 2b ff <0f> 0b 0f 1f 40 00 f3 0f 1e fa 55 41 57 41 56 41 54 53 48 89 fb 49
RSP: 0018:ffffc900015a7340 EFLAGS: 00010293
RAX: ffffffff825b287a RBX: ffff88802da04928 RCX: ffff88801ee89e00
RDX: 0000000000000000 RSI: ffffffff8d3397a0 RDI: 0000000000000000
RBP: ffffc900015a74d0 R08: ffff88801ee89e00 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff920002b4e6c R14: ffff88802da048d8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa84a94f000 CR3: 00000000248d0000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 write_inode fs/fs-writeback.c:1483 [inline]
 __writeback_single_inode+0x705/0xec0 fs/fs-writeback.c:1700
 writeback_sb_inodes+0x7cd/0xf50 fs/fs-writeback.c:1926
 wb_writeback+0x46a/0xbf0 fs/fs-writeback.c:2105
 wb_do_writeback fs/fs-writeback.c:2252 [inline]
 wb_workfn+0x400/0xe60 fs/fs-writeback.c:2292
 process_one_work kernel/workqueue.c:2634 [inline]
 process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2711
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2792
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_write_inode+0x87a/0x880 fs/hfs/inode.c:449
Code: c7 c1 00 83 30 97 80 e1 07 80 c1 03 38 c1 0f 8c 73 fe ff ff 48 c7 c7 00 83 30 97 e8 e0 11 84 ff e9 62 fe ff ff e8 a6 ea 2b ff <0f> 0b 0f 1f 40 00 f3 0f 1e fa 55 41 57 41 56 41 54 53 48 89 fb 49
RSP: 0018:ffffc900015a7340 EFLAGS: 00010293
RAX: ffffffff825b287a RBX: ffff88802da04928 RCX: ffff88801ee89e00
RDX: 0000000000000000 RSI: ffffffff8d3397a0 RDI: 0000000000000000
RBP: ffffc900015a74d0 R08: ffff88801ee89e00 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff920002b4e6c R14: ffff88802da048d8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f85e754da08 CR3: 000000002e8fc000 CR4: 00000000003506e0