------------[ cut here ]------------
WARNING: CPU: 1 PID: 4455 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 arch/x86/mm/pat/memtype.c:1099
Modules linked in:
CPU: 0 PID: 4455 Comm: syz-executor.3 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:untrack_pfn+0x247/0x290 arch/x86/mm/pat/memtype.c:1099
Code: 84 6c ff ff ff e8 49 e2 41 00 4c 89 ee 4c 89 e7 e8 9e dd ff ff e8 39 e2 41 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 29 e2 41 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 ba 40 89 00 e9 98 fe ff ff e8 e0
RSP: 0018:ffffc90010a67668 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888048294b58 RCX: 0000000000000000
RDX: ffff88801c9a3a00 RSI: ffffffff813594c7 RDI: 0000000000000003
RBP: 1ffff9200214cecd R08: 0000000000000000 R09: ffffc90010a675f0
R10: ffffffff81359396 R11: 0000000000000001 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888048294ba8
FS:  00007fc6c1103700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00ab7bac8 CR3: 00000000374df000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1bc/0x310 mm/memory.c:1562
 unmap_vmas+0x16b/0x2f0 mm/memory.c:1615
 exit_mmap+0x1d0/0x630 mm/mmap.c:3170
 __mmput+0x122/0x4b0 kernel/fork.c:1113
 mmput+0x56/0x60 kernel/fork.c:1134
 dup_mm+0xd73/0x13e0 kernel/fork.c:1466
 copy_mm kernel/fork.c:1502 [inline]
 copy_process+0x6fed/0x75a0 kernel/fork.c:2191
 kernel_clone+0xe7/0xab0 kernel/fork.c:2582
 __do_sys_clone3+0x1dd/0x2f0 kernel/fork.c:2857
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fc6c27cfe99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc6c1103168 EFLAGS: 00000246
 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fc6c28e3100 RCX: 00007fc6c27cfe99
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020001300
RBP: 00007fc6c2829ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc6c2e16b1f R14: 00007fc6c1103300 R15: 0000000000022000
 </TASK>