------------[ cut here ]------------
WARNING: CPU: 0 PID: 8914 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x30e/0x490
Modules linked in:
CPU: 0 PID: 8914 Comm: syz-executor.3 Not tainted 5.15.142-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:untrack_pfn+0x30e/0x490 arch/x86/mm/pat/memtype.c:1099
Code: 8d 8c 24 a0 00 00 00 49 89 d8 e8 3d e3 7e 00 49 89 dd 89 c3 31 ff 89 c6 e8 1f b0 45 00 85 db 0f 84 b2 00 00 00 e8 b2 ac 45 00 <0f> 0b 48 bb 00 00 00 00 00 fc ff df eb 4f 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc9000524f4e0 EFLAGS: 00010293
RAX: ffffffff813a791e RBX: 00000000ffffffea RCX: ffff88801bbd9dc0
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
RBP: ffffc9000524f5e8 R08: ffffffff813a7911 R09: ffffed1003139825
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11003ec50a5
R13: ffffc9000524f560 R14: dffffc0000000000 R15: ffff88801f628528
FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c011b0e970 CR3: 000000000c68e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1d8/0x2d0 mm/memory.c:1589
 unmap_vmas+0x1f8/0x390 mm/memory.c:1642
 exit_mmap+0x3b6/0x670 mm/mmap.c:3186
 __mmput+0x112/0x3b0 kernel/fork.c:1126
 exit_mm+0x688/0x7f0 kernel/exit.c:548
 do_exit+0x626/0x2480 kernel/exit.c:859
 do_group_exit+0x144/0x310 kernel/exit.c:994
 get_signal+0xc66/0x14e0 kernel/signal.c:2889
 arch_do_signal_or_restart+0xc3/0x1890 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0x97/0x130 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6d799b9fb5
Code: Unable to access opcode bytes at RIP 0x7f6d799b9f8b.
RSP: 002b:00007f6d77eef010 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f6d79aae050 RCX: 00007f6d799b9fb5
RDX: 00007f6d77eef050 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f6d799da47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000006e R14: 00007f6d79aae050 R15: 00007ffd9b623088
 </TASK>