------------[ cut here ]------------ kernel BUG at fs/hfs/inode.c:449! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 33 Comm: kworker/u4:2 Not tainted 6.1.140-syzkaller #0 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+0x964/0x970 fs/hfs/inode.c:449 Code: 88 ff e9 13 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e fe ff ff 4c 89 f7 e8 66 e5 88 ff e9 51 fe ff ff e8 6c 6f 37 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 54 53 48 89 RSP: 0018:ffffc90000aa73a0 EFLAGS: 00010293 RAX: ffffffff824967a4 RBX: ffff88805b2f0818 RCX: ffff8880192a0000 RDX: 0000000000000000 RSI: ffffffff8cb24de0 RDI: 0000000000000000 RBP: ffffc90000aa7530 R08: ffff8880192a0000 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff92000154e78 R14: 0000000000000000 R15: ffff88805b2f07d8 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffff7e6ecb8 CR3: 000000007f270000 CR4: 00000000003506e0 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+0x75b/0x1160 fs/fs-writeback.c:1677 writeback_sb_inodes+0xad8/0x17d0 fs/fs-writeback.c:1903 wb_writeback+0x468/0xd00 fs/fs-writeback.c:2077 wb_do_writeback fs/fs-writeback.c:2220 [inline] wb_workfn+0x435/0xec0 fs/fs-writeback.c:2260 process_one_work+0x898/0x1160 kernel/workqueue.c:2292 worker_thread+0xaa2/0x1250 kernel/workqueue.c:2439 kthread+0x29d/0x330 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+0x964/0x970 fs/hfs/inode.c:449 Code: 88 ff e9 13 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e fe ff ff 4c 89 f7 e8 66 e5 88 ff e9 51 fe ff ff e8 6c 6f 37 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 54 53 48 89 RSP: 0018:ffffc90000aa73a0 EFLAGS: 00010293 RAX: ffffffff824967a4 RBX: ffff88805b2f0818 RCX: ffff8880192a0000 RDX: 0000000000000000 RSI: ffffffff8cb24de0 RDI: 0000000000000000 RBP: ffffc90000aa7530 R08: ffff8880192a0000 R09: 0000000000000003 R10: 0000000000000004 R11: 0000000000000000 R12: dffffc0000000000 R13: 1ffff92000154e78 R14: 0000000000000000 R15: ffff88805b2f07d8 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb72e1f2000 CR3: 000000007f270000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400