------------[ cut here ]------------
WARNING: CPU: 0 PID: 28448 at arch/x86/mm/pat/memtype.c:1060 untrack_pfn+0x484/0x580 arch/x86/mm/pat/memtype.c:1060
Modules linked in:
CPU: 0 PID: 28448 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:untrack_pfn+0x484/0x580 arch/x86/mm/pat/memtype.c:1060
Code: 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 37 27 a0 00 e9 8a fd ff ff e8 bd 3f 4a 00 90 <0f> 0b 90 e9 84 fd ff ff e8 af 3f 4a 00 49 8d bc 24 a0 01 00 00 31
RSP: 0018:ffffc90003d77668 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888020e10d00 RCX: ffffc90003b09000
RDX: 0000000000040000 RSI: ffffffff813c21c3 RDI: 0000000000000005
RBP: 1ffff920007aeece R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000002 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f10e61b96c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff3b17abd58 CR3: 000000010b262000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 unmap_single_vma+0x1bd/0x2b0 mm/memory.c:1678
 unmap_vmas+0x229/0x470 mm/memory.c:1744
 exit_mmap+0x1ad/0xa70 mm/mmap.c:3308
 __mmput+0x12a/0x4d0 kernel/fork.c:1349
 mmput+0x62/0x70 kernel/fork.c:1371
 dup_mm kernel/fork.c:1707 [inline]
 copy_mm kernel/fork.c:1740 [inline]
 copy_process+0x45d2/0x73f0 kernel/fork.c:2502
 kernel_clone+0xfd/0x930 kernel/fork.c:2907
 __do_sys_clone3+0x1f1/0x260 kernel/fork.c:3208
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f10e547cba9
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:00007f10e61b8f98 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007f10e547cba9
RDX: 00007f10e61b8fb0 RSI: 0000000000000058 RDI: 00007f10e61b8fb0
RBP: 00007f10e61b9120 R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f10e559bf80 R15: 00007ffe39feb628
 </TASK>