------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:455! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6332 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 Workqueue: writeback wb_workfn (flush-7:2) RIP: 0010:hfs_write_inode+0x86f/0x8a0 fs/hfs/inode.c:455 Code: 0a c9 0c 89 de 81 e6 00 00 00 40 31 ff e8 f9 ad 1d ff 81 e3 00 00 00 40 75 12 e8 ac a9 1d ff e9 55 f8 ff ff e8 a2 a9 1d ff 90 <0f> 0b e8 9a a9 1d ff e8 15 e0 8e fe e9 3e f8 ff ff 44 89 f1 80 e1 RSP: 0018:ffffc9001a86f160 EFLAGS: 00010293 RAX: ffffffff82a3d68e RBX: ffff888030e51518 RCX: ffff88802bf8db80 RDX: 0000000000000000 RSI: ffffffff8e16f520 RDI: 0000000000000000 RBP: ffffc9001a86f2e8 R08: ffff88802bf8db80 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff9200350de30 R14: 0000000000000000 R15: ffff888030e514d8 FS: 0000000000000000(0000) GS:ffff888125fc2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3876d8 CR3: 0000000075964000 CR4: 00000000003526f0 Call Trace: write_inode fs/fs-writeback.c:1582 [inline] __writeback_single_inode+0x818/0x12d0 fs/fs-writeback.c:1802 writeback_sb_inodes+0x984/0x1950 fs/fs-writeback.c:2030 wb_writeback+0x43b/0xaf0 fs/fs-writeback.c:2216 wb_do_writeback fs/fs-writeback.c:2363 [inline] wb_workfn+0x409/0xef0 fs/fs-writeback.c:2403 process_one_work+0x94a/0x15d0 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3350 [inline] worker_thread+0x9b0/0xee0 kernel/workqueue.c:3431 kthread+0x711/0x8a0 kernel/kthread.c:463 ret_from_fork+0x599/0xb30 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+0x86f/0x8a0 fs/hfs/inode.c:455 Code: 0a c9 0c 89 de 81 e6 00 00 00 40 31 ff e8 f9 ad 1d ff 81 e3 00 00 00 40 75 12 e8 ac a9 1d ff e9 55 f8 ff ff e8 a2 a9 1d ff 90 <0f> 0b e8 9a a9 1d ff e8 15 e0 8e fe e9 3e f8 ff ff 44 89 f1 80 e1 RSP: 0018:ffffc9001a86f160 EFLAGS: 00010293 RAX: ffffffff82a3d68e RBX: ffff888030e51518 RCX: ffff88802bf8db80 RDX: 0000000000000000 RSI: ffffffff8e16f520 RDI: 0000000000000000 RBP: ffffc9001a86f2e8 R08: ffff88802bf8db80 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff9200350de30 R14: 0000000000000000 R15: ffff888030e514d8 FS: 0000000000000000(0000) GS:ffff888125fc2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f590c9ab000 CR3: 0000000050572000 CR4: 00000000003526f0