------------[ cut here ]------------
WARNING: CPU: 1 PID: 22516 at arch/x86/mm/pat/memtype.c:1107 untrack_pfn+0x24b/0x290 arch/x86/mm/pat/memtype.c:1107
Modules linked in:
CPU: 1 PID: 22516 Comm: syz-executor.1 Not tainted 6.1.0-rc5-syzkaller-00018-g59d0d52c30d4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:untrack_pfn+0x24b/0x290 arch/x86/mm/pat/memtype.c:1107
Code: 84 6c ff ff ff e8 95 9e 46 00 4c 89 ee 4c 89 e7 e8 7a de ff ff e8 85 9e 46 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 75 9e 46 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 36 60 93 00 e9 98 fe ff ff e8 fc
RSP: 0018:ffffc9000375f678 EFLAGS: 00010216
RAX: 0000000000001e2e RBX: ffff88807e7ea438 RCX: ffffc900044f2000
RDX: 0000000000040000 RSI: ffffffff81397b0b RDI: 0000000000000005
RBP: 1ffff920006ebecf R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88807e7ea458
FS:  00007f5b54e7c700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a29000 CR3: 000000007dcbe000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1b4/0x2a0 mm/memory.c:1672
 unmap_vmas+0x226/0x370 mm/memory.c:1733
 exit_mmap+0x18d/0x7b0 mm/mmap.c:3094
 __mmput+0x128/0x4c0 kernel/fork.c:1185
 mmput+0x60/0x70 kernel/fork.c:1207
 dup_mm+0x2e2/0x370 kernel/fork.c:1542
 copy_mm kernel/fork.c:1575 [inline]
 copy_process+0x3bc6/0x7190 kernel/fork.c:2253
 kernel_clone+0xeb/0x980 kernel/fork.c:2671
 __do_sys_clone3+0x1cd/0x2e0 kernel/fork.c:2970
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5b5408b639
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5b54e7c038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f5b541abf80 RCX: 00007f5b5408b639
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007f5b54e7c050
RBP: 00007f5b54e7c1d0 R08: 0000000000000000 R09: 0000000000000058
R10: 00007f5b54e7c050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007f5b542cfb1f R14: 00007f5b54e7c300 R15: 0000000000022000
 </TASK>