------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:476! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 8184 Comm: kworker/u8:16 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: writeback wb_workfn (flush-7:2) RIP: 0010:hfs_write_inode+0x9c7/0xa00 fs/hfs/inode.c:476 Code: 40 31 ff e8 3b d8 0c ff 81 e3 00 00 00 40 75 1c e8 2e d3 0c ff 49 bc f8 f8 f8 f8 f8 f8 f8 f8 e9 48 f7 ff ff e8 1a d3 0c ff 90 <0f> 0b e8 12 d3 0c ff e8 1d d3 77 fe eb dd 44 89 f1 80 e1 07 80 c1 RSP: 0018:ffffc90003287160 EFLAGS: 00010293 RAX: ffffffff82baec06 RBX: ffff888020f9dd00 RCX: ffff888033f73e80 RDX: 0000000000000000 RSI: ffffffff8efdc1f0 RDI: 0000000000000000 RBP: ffffc900032872f8 R08: ffff888033f73e80 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: f8f8f8f8f8f8f8f8 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000650e30 FS: 0000000000000000(0000) GS:ffff888124cdc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa6c2f45000 CR3: 000000007bd84000 CR4: 00000000003526f0 Call Trace: write_inode fs/fs-writeback.c:1608 [inline] __writeback_single_inode+0x69d/0x1220 fs/fs-writeback.c:1851 writeback_sb_inodes+0x9de/0x1b00 fs/fs-writeback.c:2099 wb_writeback+0x41c/0xad0 fs/fs-writeback.c:2284 wb_do_writeback fs/fs-writeback.c:2452 [inline] wb_workfn+0x431/0x10f0 fs/fs-writeback.c:2497 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3470 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3551 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_write_inode+0x9c7/0xa00 fs/hfs/inode.c:476 Code: 40 31 ff e8 3b d8 0c ff 81 e3 00 00 00 40 75 1c e8 2e d3 0c ff 49 bc f8 f8 f8 f8 f8 f8 f8 f8 e9 48 f7 ff ff e8 1a d3 0c ff 90 <0f> 0b e8 12 d3 0c ff e8 1d d3 77 fe eb dd 44 89 f1 80 e1 07 80 c1 RSP: 0018:ffffc90003287160 EFLAGS: 00010293 RAX: ffffffff82baec06 RBX: ffff888020f9dd00 RCX: ffff888033f73e80 RDX: 0000000000000000 RSI: ffffffff8efdc1f0 RDI: 0000000000000000 RBP: ffffc900032872f8 R08: ffff888033f73e80 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: f8f8f8f8f8f8f8f8 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff92000650e30 FS: 0000000000000000(0000) GS:ffff888124ddc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6390deb7c0 CR3: 00000000741c6000 CR4: 00000000003526f0