------------[ cut here ]------------
WARNING: CPU: 1 PID: 16142 at arch/x86/mm/pat/memtype.c:1107 untrack_pfn+0x30e/0x490
Modules linked in:
CPU: 1 PID: 16142 Comm: syz-executor.3 Not tainted 6.1.52-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
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 4d fe 8d 00 49 89 dd 89 c3 31 ff 89 c6 e8 cf 77 4b 00 85 db 0f 84 b2 00 00 00 e8 62 74 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:ffffc9000354f3e0 EFLAGS: 00010293
RAX: ffffffff813e941e RBX: 00000000ffffffea RCX: ffff888025773b80
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
RBP: ffffc9000354f4f0 R08: ffffffff813e9411 R09: ffffed1015ec8f39
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11003d54e51
R13: ffffc9000354f460 R14: dffffc0000000000 R15: ffff88801eaa7288
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd667575198 CR3: 0000000074eea000 CR4: 00000000003506e0
DR0: 0000000000008181 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 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
 exit_mm+0x226/0x300 kernel/exit.c:563
 do_exit+0x67e/0x2300 kernel/exit.c:856
 do_group_exit+0x202/0x2b0 kernel/exit.c:1019
 get_signal+0x16f7/0x17d0 kernel/signal.c:2862
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:299
RIP: 0033:0x7fb91ec7cae9
Code: Unable to access opcode bytes at 0x7fb91ec7cabf.
RSP: 002b:00007fb91529b078 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007fb91ed9c1f0 RCX: 00007fb91ec7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fb91ecc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fb91ed9c1f0 R15: 00007ffe16657bd8
 </TASK>