R13: 000000000000000b R14: 00007fa1e45bbf80 R15: 00007fff9ee6cff8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7811 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x30e/0x490
Modules linked in:
CPU: 0 PID: 7811 Comm: syz-executor.0 Not tainted 5.15.138-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 5d db 7e 00 49 89 dd 89 c3 31 ff 89 c6 e8 af ac 45 00 85 db 0f 84 b2 00 00 00 e8 42 a9 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:ffffc9000db1f480 EFLAGS: 00010246
RAX: ffffffff813a790e RBX: 00000000ffffffea RCX: 0000000000040000
RDX: ffffc90005f11000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000db1f588 R08: ffffffff813a7901 R09: ffffc9000db1f400
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100bb7dc84
R13: ffffc9000db1f500 R14: dffffc0000000000 R15: ffff88805dbee420
FS:  00007fa1e2a1e6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f205ac02000 CR3: 000000003cd60000 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
 mmput kernel/fork.c:1147 [inline]
 dup_mm kernel/fork.c:1481 [inline]
 copy_mm+0x100d/0x1370 kernel/fork.c:1517
 copy_process+0x1816/0x3ef0 kernel/fork.c:2206
 kernel_clone+0x210/0x960 kernel/fork.c:2604
 __do_sys_clone3 kernel/fork.c:2879 [inline]
 __se_sys_clone3+0x3e1/0x430 kernel/fork.c:2863
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fa1e449cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa1e2a1df98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007fa1e449cae9
RDX: 00007fa1e2a1dfb0 RSI: 0000000000000058 RDI: 00007fa1e2a1dfb0
RBP: 00007fa1e2a1e120 R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fa1e45bbf80 R15: 00007fff9ee6cff8
 </TASK>