syzbot

RBP: 00007ffcc92812a0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5076 at arch/x86/mm/pat/memtype.c:1060 untrack_pfn+0x35c/0x410 arch/x86/mm/pat/memtype.c:1060
Modules linked in:
CPU: 1 PID: 5076 Comm: syz-executor982 Not tainted 6.3.0-rc4-syzkaller-00039-gffe78bbd5121 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:untrack_pfn+0x35c/0x410 arch/x86/mm/pat/memtype.c:1060
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 fe 64 99 00 e9 88 fe ff ff e8 e4 57 48 00 <0f> 0b e9 84 fe ff ff e8 d8 57 48 00 48 8d bd 98 01 00 00 31 f6 e8
RSP: 0018:ffffc90003d3f730 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802869c700 RCX: 0000000000000000
RDX: ffff888077c10000 RSI: ffffffff813a806c RDI: 0000000000000005
RBP: 00000000ffffffea R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff920007a7ee6 R14: 0000000000000000 R15: 0000000000000000
FS:  00005555560cb300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe902ec3130 CR3: 00000000732cb000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 unmap_single_vma+0x1bd/0x2a0 mm/memory.c:1631
 unmap_vmas+0x234/0x380 mm/memory.c:1692
 exit_mmap+0x190/0x690 mm/mmap.c:3031
 __mmput+0x128/0x4c0 kernel/fork.c:1204
 mmput+0x60/0x70 kernel/fork.c:1226
 dup_mm kernel/fork.c:1561 [inline]
 copy_mm kernel/fork.c:1594 [inline]
 copy_process+0x7296/0x7590 kernel/fork.c:2264
 kernel_clone+0xeb/0x890 kernel/fork.c:2679
 __do_sys_clone+0xba/0x100 kernel/fork.c:2820
 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: 0033:0x7fe902e52699
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc9281288 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe902e52699
RDX: 0000000000000000 RSI: 0000000000000060 RDI: 0000000000000000
RBP: 00007ffcc92812a0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
 </TASK>