------------[ cut here ]------------
WARNING: CPU: 1 PID: 3607 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: 3607 Comm: syz-executor244 Not tainted 5.19.0-rc1-next-20220610-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 d9 66 43 00 4c 89 ee 4c 89 e7 e8 de dd ff ff e8 c9 66 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 b9 66 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 ba 45 90 00 e9 98 fe ff ff e8 f0
RSP: 0018:ffffc90002e3f710 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801bb42d80 RCX: 0000000000000000
RDX: ffff88801babba80 RSI: ffffffff81378797 RDI: 0000000000000005
RBP: 1ffff920005c7ee2 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000001 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801bb42da0
FS:  00005555566ea400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0c6955e6c8 CR3: 000000007f92a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1b4/0x350 mm/memory.c:1679
 unmap_vmas+0x21e/0x370 mm/memory.c:1741
 exit_mmap+0x193/0x750 mm/mmap.c:3193
 __mmput+0x128/0x4c0 kernel/fork.c:1180
 mmput+0x5c/0x70 kernel/fork.c:1201
 dup_mm+0x2e2/0x370 kernel/fork.c:1536
 copy_mm kernel/fork.c:1569 [inline]
 copy_process+0x3c95/0x7080 kernel/fork.c:2234
 kernel_clone+0xe7/0xab0 kernel/fork.c:2649
 __do_sys_clone+0xba/0x100 kernel/fork.c:2783
 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+0x46/0xb0
RIP: 0033:0x7f0c694fab69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 18 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff69176078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0c694fab69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff69176080 R08: 0000000000000000 R09: 00007fff69003832
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007fff691760fa R14: 00007f0c6957c460 R15: 00007fff69176130
 </TASK>