------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 3455 Comm: kworker/u8:9 Not tainted 6.16.0-rc2-syzkaller-00082-gfb4d33ab452e #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:hfs_write_inode+0x7c7/0x7d0 fs/hfs/inode.c:444 Code: c7 c1 60 82 2c 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 60 82 2c 99 e8 23 ae 89 ff e9 6c fe ff ff e8 f9 20 26 ff <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000c2a7160 EFLAGS: 00010293 RAX: ffffffff82993c67 RBX: ffff888028f7a218 RCX: ffff888030520000 RDX: 0000000000000000 RSI: ffffffff8dd61400 RDI: 0000000000000005 RBP: ffffc9000c2a72f0 R08: ffff888030520000 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff92001854e30 R14: ffff888028f7a1d8 R15: 0000000000000005 FS: 0000000000000000(0000) GS:ffff888126651000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005597a9070950 CR3: 0000000077cbc000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x6f1/0xfd0 fs/fs-writeback.c:1745 writeback_sb_inodes+0x6b5/0xff0 fs/fs-writeback.c:1976 wb_writeback+0x43b/0xae0 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x409/0xee0 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xae1/0x1790 kernel/workqueue.c:3321 worker_thread+0xa57/0xfc0 kernel/workqueue.c:3402 kthread+0x711/0x890 kernel/kthread.c:464 ret_from_fork+0x3f8/0x760 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_write_inode+0x7c7/0x7d0 fs/hfs/inode.c:444 Code: c7 c1 60 82 2c 99 80 e1 07 80 c1 03 38 c1 0f 8c 7d fe ff ff 48 c7 c7 60 82 2c 99 e8 23 ae 89 ff e9 6c fe ff ff e8 f9 20 26 ff <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000c2a7160 EFLAGS: 00010293 RAX: ffffffff82993c67 RBX: ffff888028f7a218 RCX: ffff888030520000 RDX: 0000000000000000 RSI: ffffffff8dd61400 RDI: 0000000000000005 RBP: ffffc9000c2a72f0 R08: ffff888030520000 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff92001854e30 R14: ffff888028f7a1d8 R15: 0000000000000005 FS: 0000000000000000(0000) GS:ffff888126651000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0079f5000 CR3: 0000000033596000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400