------------[ cut here ]------------ WARNING: CPU: 0 PID: 6620 at arch/x86/mm/pat/memtype.c:1060 untrack_pfn+0x483/0x580 arch/x86/mm/pat/memtype.c:1060 Modules linked in: CPU: 0 PID: 6620 Comm: syz-executor.2 Not tainted 6.6.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 RIP: 0010:untrack_pfn+0x483/0x580 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 94 fd ff ff e8 d7 56 9f 00 e9 8a fd ff ff e8 dd 59 4a 00 <0f> 0b e9 86 fd ff ff e8 d1 59 4a 00 49 8d bc 24 a0 01 00 00 31 f6 RSP: 0018:ffffc9000306f7f0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880743faa00 RCX: 0000000000000000 RDX: ffff88803ece2200 RSI: ffffffff813c7323 RDI: 0000000000000005 RBP: 1ffff9200060deff R08: 0000000000000005 R09: 0000000000000000 R10: 00000000ffffffea R11: 0000000000000000 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6a9e17bef8 CR3: 00000000319d7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unmap_single_vma+0x1bd/0x2b0 mm/memory.c:1668 unmap_vmas+0x1e8/0x330 mm/memory.c:1731 exit_mmap+0x1ad/0xa60 mm/mmap.c:3210 __mmput+0x12a/0x4d0 kernel/fork.c:1349 mmput+0x62/0x70 kernel/fork.c:1371 exit_mm kernel/exit.c:567 [inline] do_exit+0x9b4/0x2a20 kernel/exit.c:861 do_group_exit+0xd4/0x2a0 kernel/exit.c:1024 get_signal+0x23d1/0x27b0 kernel/signal.c:2892 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309 exit_to_user_mode_loop kernel/entry/common.c:168 [inline] exit_to_user_mode_prepare+0x11f/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6a9e0a7ef5 Code: Unable to access opcode bytes at 0x7f6a9e0a7ecb. RSP: 002b:00007f6a946dd010 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007f6a9e19c1f0 RCX: 00007f6a9e0a7ef5 RDX: 00007f6a946dd050 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f6a9e0c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 000000000000006e R14: 00007f6a9e19c1f0 R15: 00007ffd58b2fca8