------------[ cut here ]------------ WARNING: CPU: 0 PID: 27575 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x247/0x290 arch/x86/mm/pat/memtype.c:1099 Modules linked in: CPU: 0 PID: 27575 Comm: syz-executor.4 Not tainted 5.18.0-rc6-next-20220516-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:untrack_pfn+0x247/0x290 arch/x86/mm/pat/memtype.c:1099 Code: 84 6c ff ff ff e8 e9 44 43 00 4c 89 ee 4c 89 e7 e8 ae dd ff ff e8 d9 44 43 00 48 85 db 0f 85 58 ff ff ff eb 82 e8 c9 44 43 00 <0f> 0b e9 76 ff ff ff 48 89 df e8 2a e7 8f 00 e9 98 fe ff ff e8 30 RSP: 0018:ffffc9000476f9d0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880160b15e8 RCX: 0000000000000000 RDX: ffff888024430000 RSI: ffffffff81376717 RDI: 0000000000000003 RBP: 1ffff920008edf3a R08: 0000000000000000 R09: 000000000000000b R10: ffffffff813765e6 R11: 0000000000000005 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880160b1608 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb332f691b8 CR3: 0000000060799000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unmap_single_vma+0x1b4/0x350 mm/memory.c:1670 unmap_vmas+0x21e/0x370 mm/memory.c:1732 exit_mmap+0x1ec/0x740 mm/mmap.c:3220 __mmput+0x128/0x4c0 kernel/fork.c:1180 mmput+0x5c/0x70 kernel/fork.c:1201 exit_mm kernel/exit.c:510 [inline] do_exit+0xa18/0x2a00 kernel/exit.c:782 do_group_exit+0xd2/0x2f0 kernel/exit.c:925 __do_sys_exit_group kernel/exit.c:936 [inline] __se_sys_exit_group kernel/exit.c:934 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:934 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fdc664890e9 Code: Unable to access opcode bytes at RIP 0x7fdc664890bf. RSP: 002b:00007fdc6768baf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc664890e9 RDX: 00007fdc66489132 RSI: 0000000000000000 RDI: 000000000000000b RBP: 000000000000000b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000246 R12: 0000000020000200 R13: 0000000020ffc000 R14: 00000000200001c0 R15: 0000000020ffd000