RAX: ffffffffffffffda RBX: 00007f139c432f60 RCX: 00007f139c31fae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f13998951d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffca989f2cf R14: 00007f1399895300 R15: 0000000000022000
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7695 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x2fa/0x480
Modules linked in:
CPU: 0 PID: 7695 Comm: syz-executor.5 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:untrack_pfn+0x2fa/0x480 arch/x86/mm/pat/memtype.c:1099
Code: 31 d2 48 8d 8c 24 80 00 00 00 4d 89 e8 e8 be 9e 81 00 89 c3 31 ff 89 c6 e8 83 96 47 00 85 db 0f 84 d4 00 00 00 e8 66 92 47 00 <0f> 0b eb 78 e8 5d 92 47 00 43 8a 04 37 84 c0 0f 85 49 01 00 00 8b
RSP: 0018:ffffc900166a7620 EFLAGS: 00010246
RAX: ffffffff813cc20a RBX: 00000000ffffffea RCX: 0000000000040000
RDX: ffffc90014262000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900166a7710 R08: ffffffff813cc1fd R09: ffffc900166a75a0
R10: fffffbfff1bfcbe6 R11: 0000000000000000 R12: 1ffff92002cd4ed0
R13: ffffc900166a7680 R14: dffffc0000000000 R15: ffff88803390a420
FS:  00007f1399895700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1399894f78 CR3: 000000007e2fe000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unmap_single_vma+0x1e9/0x2d0 mm/memory.c:1562
 unmap_vmas+0x202/0x390 mm/memory.c:1615
 exit_mmap+0x3c6/0x6f0 mm/mmap.c:3170
 __mmput+0x111/0x3a0 kernel/fork.c:1113
 mmput kernel/fork.c:1134 [inline]
 dup_mm+0x2e8/0x310 kernel/fork.c:1466
 copy_mm kernel/fork.c:1502 [inline]
 copy_process+0x28d7/0x5ca0 kernel/fork.c:2191
 kernel_clone+0x22a/0x7e0 kernel/fork.c:2581
 __do_sys_fork+0xac/0x110 kernel/fork.c:2644
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f139c31fae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1399895188 EFLAGS: 00000246 ORIG_RAX: 0000000000000039
RAX: ffffffffffffffda RBX: 00007f139c432f60 RCX: 00007f139c31fae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f13998951d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffca989f2cf R14: 00007f1399895300 R15: 0000000000022000
 </TASK>