------------[ cut here ]------------
WARNING: CPU: 1 PID: 7452 at arch/x86/mm/pat/memtype.c:1060 untrack_pfn+0x483/0x580 arch/x86/mm/pat/memtype.c:1060
Modules linked in:
CPU: 1 PID: 7452 Comm: syz-executor.1 Not tainted 6.5.0-next-20230908-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:untrack_pfn+0x483/0x580 arch/x86/mm/pat/memtype.c:1060
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 84 94 fd ff ff e8 07 33 a1 00 e9 8a fd ff ff e8 5d 67 4b 00 <0f> 0b e9 86 fd ff ff e8 51 67 4b 00 49 8d bc 24 a0 01 00 00 31 f6
RSP: 0018:ffffc9000363f7f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801f5dd500 RCX: 0000000000000000
RDX: ffff88801d565940 RSI: ffffffff813c8343 RDI: 0000000000000005
RBP: 1ffff920006c7eff R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2632effbc3 CR3: 0000000067c04000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 unmap_single_vma+0x1bd/0x2b0 mm/memory.c:1666
 unmap_vmas+0x1e8/0x330 mm/memory.c:1729
 exit_mmap+0x1ad/0xa60 mm/mmap.c:3210
 __mmput+0x12a/0x4d0 kernel/fork.c:1349
 mmput+0x62/0x70 kernel/fork.c:1371
 exit_mm kernel/exit.c:565 [inline]
 do_exit+0x9b4/0x2ae0 kernel/exit.c:856
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019
 get_signal+0x23d1/0x27b0 kernel/signal.c:2897
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296
 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7bf30a7ef5
Code: Unable to access opcode bytes at 0x7f7bf30a7ecb.
RSP: 002b:00007f7bf1bdd010 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f7bf319c120 RCX: 00007f7bf30a7ef5
RDX: 00007f7bf1bdd050 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f7bf30c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000006e R14: 00007f7bf319c120 R15: 00007ffddce8ca48
 </TASK>