------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:447! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4345 Comm: kworker/u4:6 Not tainted 5.15.182-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 Workqueue: writeback wb_workfn (flush-7:5) RIP: 0010:hfs_write_inode+0x964/0x970 fs/hfs/inode.c:447 Code: 8f ff e9 13 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e fe ff ff 4c 89 f7 e8 36 3e 8f ff e9 51 fe ff ff e8 0c cb 49 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 54 53 48 89 RSP: 0018:ffffc9000317f3c0 EFLAGS: 00010293 RAX: ffffffff822df304 RBX: ffff88802a2c2f18 RCX: ffff888029339dc0 RDX: 0000000000000000 RSI: ffffffff8c2e0c20 RDI: 0000000000000000 RBP: ffffc9000317f550 R08: ffff888029339dc0 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff9200062fe7c R14: 0000000000000000 R15: ffff88802a2c2ed8 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f24c22d2368 CR3: 00000000650cd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1495 [inline] __writeback_single_inode+0x6c3/0xda0 fs/fs-writeback.c:1705 writeback_sb_inodes+0x9fe/0x1610 fs/fs-writeback.c:1930 wb_writeback+0x443/0xb90 fs/fs-writeback.c:2104 wb_do_writeback fs/fs-writeback.c:2247 [inline] wb_workfn+0x423/0xe60 fs/fs-writeback.c:2288 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace 6d6e2f2ed1d3e54c ]--- RIP: 0010:hfs_write_inode+0x964/0x970 fs/hfs/inode.c:447 Code: 8f ff e9 13 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e fe ff ff 4c 89 f7 e8 36 3e 8f ff e9 51 fe ff ff e8 0c cb 49 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 54 53 48 89 RSP: 0018:ffffc9000317f3c0 EFLAGS: 00010293 RAX: ffffffff822df304 RBX: ffff88802a2c2f18 RCX: ffff888029339dc0 RDX: 0000000000000000 RSI: ffffffff8c2e0c20 RDI: 0000000000000000 RBP: ffffc9000317f550 R08: ffff888029339dc0 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff9200062fe7c R14: 0000000000000000 R15: ffff88802a2c2ed8 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe6e0fa2feb CR3: 00000000541a8000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400