------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:449! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4918 Comm: kworker/u4:8 Not tainted 6.1.133-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:hfs_write_inode+0xb3f/0xb50 fs/hfs/inode.c:449 Code: 4c 24 08 80 e1 07 80 c1 03 38 c1 0f 8c fb fc ff ff 48 8b 7c 24 08 e8 a0 12 7f ff e9 ec fc ff ff e8 66 9b 4e 08 e8 61 b1 27 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 56 41 RSP: 0018:ffffc90003937340 EFLAGS: 00010293 RAX: ffffffff8262f8ef RBX: 0000000000000000 RCX: ffff88802dbc8000 RDX: 0000000000000000 RSI: ffffffff8d52aa80 RDI: 0000000000000000 RBP: ffffc900039374d0 R08: 0000000000000007 R09: ffffffff8262ef09 R10: 0000000000000003 R11: ffff88802dbc8000 R12: dffffc0000000000 R13: ffff88807dc54258 R14: 0000000000000000 R15: 1ffff92000726e6c FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c308f9b CR3: 000000005e45b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x67d/0x11e0 fs/fs-writeback.c:1677 writeback_sb_inodes+0xc2b/0x1b20 fs/fs-writeback.c:1903 wb_writeback+0x49d/0xe10 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x427/0x1020 fs/fs-writeback.c:2260 process_one_work+0x917/0x1260 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_write_inode+0xb3f/0xb50 fs/hfs/inode.c:449 Code: 4c 24 08 80 e1 07 80 c1 03 38 c1 0f 8c fb fc ff ff 48 8b 7c 24 08 e8 a0 12 7f ff e9 ec fc ff ff e8 66 9b 4e 08 e8 61 b1 27 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 41 57 41 56 41 RSP: 0018:ffffc90003937340 EFLAGS: 00010293 RAX: ffffffff8262f8ef RBX: 0000000000000000 RCX: ffff88802dbc8000 RDX: 0000000000000000 RSI: ffffffff8d52aa80 RDI: 0000000000000000 RBP: ffffc900039374d0 R08: 0000000000000007 R09: ffffffff8262ef09 R10: 0000000000000003 R11: ffff88802dbc8000 R12: dffffc0000000000 R13: ffff88807dc54258 R14: 0000000000000000 R15: 1ffff92000726e6c FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c308f9b CR3: 000000002836f000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400