------------[ cut here ]------------ WARNING: CPU: 1 PID: 3600 at arch/x86/mm/pat/memtype.c:1099 untrack_pfn+0x1b0/0x450 Modules linked in: CPU: 1 PID: 3600 Comm: syz-executor334 Not tainted 6.0.0-rc2-syzkaller-00191-g3e5c673f0d75 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:untrack_pfn+0x1b0/0x450 arch/x86/mm/pat/memtype.c:1099 Code: 8c 24 a0 00 00 00 4c 8d 84 24 80 00 00 00 e8 f7 ce 89 00 49 89 df 89 c3 31 ff 89 c6 e8 59 7a 4a 00 85 db 74 1d e8 30 76 4a 00 <0f> 0b e9 e5 01 00 00 e8 24 76 4a 00 49 be 00 00 00 00 00 fc ff df RSP: 0018:ffffc90003a0f5e0 EFLAGS: 00010293 RAX: ffffffff813f2250 RBX: 00000000ffffffea RCX: ffff888027c58000 RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000 RBP: ffffc90003a0f6e8 R08: ffffffff813f2247 R09: ffffc90003a0f810 R10: fffffbfff1c4ae2e R11: 1ffffffff1c4ae2d R12: 1ffff11004d64d08 R13: 1ffff92000741ec4 R14: dffffc0000000000 R15: ffff888026b26840 FS: 0000555555c8d3c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc39561ff8 CR3: 000000002747a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: unmap_single_vma+0x1f0/0x330 mm/memory.c:1670 unmap_vmas+0x227/0x3b0 mm/memory.c:1731 exit_mmap+0x1c5/0x530 mm/mmap.c:3116 __mmput+0x111/0x3a0 kernel/fork.c:1187 mmput kernel/fork.c:1208 [inline] dup_mm+0x2e8/0x310 kernel/fork.c:1540 copy_mm+0x102/0x190 kernel/fork.c:1576 copy_process+0x1a15/0x4010 kernel/fork.c:2256 kernel_clone+0x22f/0x7a0 kernel/fork.c:2673 __do_sys_clone kernel/fork.c:2807 [inline] __se_sys_clone kernel/fork.c:2791 [inline] __x64_sys_clone+0x276/0x2e0 kernel/fork.c:2791 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1f827b60b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 17 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:00007ffddbffc418 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f827b60b9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffddbffc460 R08: 0000000000000000 R09: 0000000c001c0015 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 R13: 0000000000000003 R14: 00007f1f8282847c R15: 0000000000000001