------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:444! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 1101 Comm: kworker/u8:6 Not tainted 6.14.0-syzkaller-13189-ge48e99b6edf4 #0 PREEMPT(full) 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+0xb53/0xb60 fs/hfs/inode.c:444 Code: 24 08 80 e1 07 80 c1 03 38 c1 0f 8c f9 fc ff ff 48 8b 7c 24 08 e8 9d d3 7e ff e9 ea fc ff ff e8 23 25 7c 09 e8 fe 3a 17 ff 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003d8f1c0 EFLAGS: 00010293 RAX: ffffffff82ac0bc2 RBX: 0000000000000005 RCX: ffff888027788000 RDX: 0000000000000000 RSI: ffffffff8ef624c0 RDI: 0000000000000005 RBP: ffffc90003d8f350 R08: 0000000000000007 R09: ffffffff82ac0196 R10: 0000000000000003 R11: ffff888027788000 R12: dffffc0000000000 R13: ffff8880278b8e58 R14: 0000000000000000 R15: ffffc90003d8f260 FS: 0000000000000000(0000) GS:ffff8881250cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9fe63d6000 CR3: 0000000062ff4000 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+0x708/0x10d0 fs/fs-writeback.c:1745 writeback_sb_inodes+0x822/0x1360 fs/fs-writeback.c:1976 wb_writeback+0x415/0xb90 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x412/0x10b0 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd50 kernel/workqueue.c:3400 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfs_write_inode+0xb53/0xb60 fs/hfs/inode.c:444 Code: 24 08 80 e1 07 80 c1 03 38 c1 0f 8c f9 fc ff ff 48 8b 7c 24 08 e8 9d d3 7e ff e9 ea fc ff ff e8 23 25 7c 09 e8 fe 3a 17 ff 90 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003d8f1c0 EFLAGS: 00010293 RAX: ffffffff82ac0bc2 RBX: 0000000000000005 RCX: ffff888027788000 RDX: 0000000000000000 RSI: ffffffff8ef624c0 RDI: 0000000000000005 RBP: ffffc90003d8f350 R08: 0000000000000007 R09: ffffffff82ac0196 R10: 0000000000000003 R11: ffff888027788000 R12: dffffc0000000000 R13: ffff8880278b8e58 R14: 0000000000000000 R15: ffffc90003d8f260 FS: 0000000000000000(0000) GS:ffff8881250cc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1a085762d8 CR3: 000000006b034000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400