WARNING: CPU: 2 PID: 5674 at arch/x86/mm/pat/memtype.c:1057 untrack_pfn+0x488/0x580 arch/x86/mm/pat/memtype.c:1057
Modules linked in:

CPU: 2 PID: 5674 Comm: syz-executor.2 Not tainted 6.9.0-rc1-syzkaller-g4cece7649650 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:untrack_pfn+0x488/0x580 arch/x86/mm/pat/memtype.c:1057
Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 84 90 fd ff ff e8 63 77 a9 00 e9 86 fd ff ff e8 69 4f 4e 00 90 <0f> 0b 90 e9 80 fd ff ff e8 5b 4f 4e 00 49 8d bc 24 a0 01 00 00 31
RSP: 0018:ffffc9000337f598 EFLAGS: 00010293

RAX: 0000000000000000 RBX: ffff88801c962600 RCX: ffffffff813f1ee1
RDX: ffff88803f2cc880 RSI: ffffffff813f2227 RDI: 0000000000000005
RBP: 1ffff9200066feb4 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000002 R12: 00000000ffffffea
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f274846e6c0(0000) GS:ffff88806b200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020001600 CR3: 000000003f16a000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1bd/0x2b0 mm/memory.c:1815
 unmap_vmas+0x22f/0x490 mm/memory.c:1881
 exit_mmap+0x1c1/0xb90 mm/mmap.c:3267
 __mmput+0x12a/0x4d0 kernel/fork.c:1345
 mmput+0x62/0x70 kernel/fork.c:1367
 dup_mm kernel/fork.c:1703 [inline]
 copy_mm kernel/fork.c:1736 [inline]
 copy_process+0x7803/0x9160 kernel/fork.c:2389
 kernel_clone+0xfd/0x980 kernel/fork.c:2796
 __do_sys_clone3+0x1f5/0x270 kernel/fork.c:3097
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f274767cba9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f274846df98 EFLAGS: 00000246
 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007f274767cba9
RDX: 00007f274846dfb0 RSI: 0000000000000058 RDI: 00007f274846dfb0
RBP: 00007f274846e120 R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007f274779bf80 R15: 00007ffd81047108
 </TASK>