------------[ cut here ]------------
WARNING: CPU: 1 PID: 7823 at arch/x86/mm/pat/memtype.c:1061 untrack_pfn+0x35c/0x410 arch/x86/mm/pat/memtype.c:1061
Modules linked in:
CPU: 1 PID: 7823 Comm: syz-executor.4 Not tainted 6.2.0-rc6-next-20230202-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
RIP: 0010:untrack_pfn+0x35c/0x410 arch/x86/mm/pat/memtype.c:1061
Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 84 92 fe ff ff e8 3e 46 98 00 e9 88 fe ff ff e8 f4 42 49 00 <0f> 0b e9 84 fe ff ff e8 e8 42 49 00 48 8d bd 98 01 00 00 31 f6 e8
RSP: 0018:ffffc900065e79c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807929c380 RCX: 0000000000000000
RDX: ffff88807e380000 RSI: ffffffff813b27dc RDI: 0000000000000005
RBP: 00000000ffffffea R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000cbcf38 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0459a80c0 CR3: 0000000045955000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1bd/0x2a0 mm/memory.c:1631
 unmap_vmas+0x234/0x380 mm/memory.c:1692
 exit_mmap+0x190/0x7d0 mm/mmap.c:3036
 __mmput+0x128/0x4c0 kernel/fork.c:1209
 mmput+0x60/0x70 kernel/fork.c:1231
 exit_mm kernel/exit.c:563 [inline]
 do_exit+0x9d7/0x2b60 kernel/exit.c:856
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1028
 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: 0033:0x7f100c28c0c9
Code: Unable to access opcode bytes at 0x7f100c28c09f.
RSP: 002b:00007ffeb6852a18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007f100c28c0c9
RDX: 00007f100c23df7b RSI: ffffffffffffffb8 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000075e1134b R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffeb6852b00
 </TASK>