R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fd70739bf80 R15: 00007ffe49b64be8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 3999 at arch/x86/mm/pat/memtype.c:1107 untrack_pfn+0x30e/0x490
Modules linked in:
CPU: 0 PID: 3999 Comm: syz-executor.0 Not tainted 6.1.51-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:untrack_pfn+0x30e/0x490 arch/x86/mm/pat/memtype.c:1107
Code: 8d 8c 24 a0 00 00 00 49 89 d8 e8 cd fd 8d 00 49 89 dd 89 c3 31 ff 89 c6 e8 4f 77 4b 00 85 db 0f 84 b2 00 00 00 e8 e2 73 4b 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:ffffc900053ff380 EFLAGS: 00010293
RAX: ffffffff813e941e RBX: 00000000ffffffea RCX: ffff888077138000
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
RBP: ffffc900053ff490 R08: ffffffff813e9411 R09: ffffffff8a7abaa5
R10: 0000000000000003 R11: ffff888077138000 R12: 1ffff1100455d46c
R13: ffffc900053ff400 R14: dffffc0000000000 R15: ffff888022aea360
FS:  00007fd7080a96c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd7073980c0 CR3: 000000001a775000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1e3/0x290 mm/memory.c:1659
 unmap_vmas+0x3c4/0x560 mm/memory.c:1720
 exit_mmap+0x252/0x9f0 mm/mmap.c:3214
 __mmput+0x115/0x3c0 kernel/fork.c:1191
 mmput kernel/fork.c:1213 [inline]
 dup_mm kernel/fork.c:1548 [inline]
 copy_mm+0x1444/0x1990 kernel/fork.c:1581
 copy_process+0x19a2/0x4020 kernel/fork.c:2259
 kernel_clone+0x222/0x920 kernel/fork.c:2674
 __do_sys_clone kernel/fork.c:2815 [inline]
 __se_sys_clone kernel/fork.c:2799 [inline]
 __x64_sys_clone+0x231/0x280 kernel/fork.c:2799
 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+0x63/0xcd
RIP: 0033:0x7fd70727cae9
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:00007fd7080a9078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fd70739bf80 RCX: 00007fd70727cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fd7080a9120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fd70739bf80 R15: 00007ffe49b64be8
 </TASK>