------------[ cut here ]------------ WARNING: CPU: 0 PID: 10951 at arch/x86/mm/pat/memtype.c:1019 get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Modules linked in: CPU: 0 PID: 10951 Comm: syz-executor.2 Not tainted 5.10.253 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Code: c1 ea 03 80 3c 02 00 75 71 49 89 1e eb 8e e8 51 89 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 3a 89 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 15 ad 5a 00 e9 RSP: 0018:ffff888051ab76b8 EFLAGS: 00010216 RAX: 000000000001a957 RBX: ffff88804579d100 RCX: ffffc900011ec000 RDX: 0000000000040000 RSI: ffffffff81125456 RDI: 0000000000000007 RBP: ffff888051ab7770 R08: 0000000000000000 R09: ffff888051ab7640 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff1100a356ed7 R14: 0000000000000000 R15: ffff88804579d150 FS: 00007f1eb1796700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5360fb4a58 CR3: 000000004a752000 CR4: 0000000000350ef0 Call Trace: untrack_pfn+0xdc/0x240 arch/x86/mm/pat/memtype.c:1121 unmap_single_vma+0x1bc/0x300 mm/memory.c:1499 unmap_vmas+0x16d/0x300 mm/memory.c:1552 exit_mmap+0x27f/0x4f0 mm/mmap.c:3265 __mmput kernel/fork.c:1101 [inline] mmput+0xca/0x340 kernel/fork.c:1122 dup_mm kernel/fork.c:1396 [inline] copy_mm kernel/fork.c:1436 [inline] copy_process+0x6450/0x78b0 kernel/fork.c:2211 kernel_clone+0xe7/0x980 kernel/fork.c:2582 __do_sys_clone3+0x1e5/0x320 kernel/fork.c:2857 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f1eb4220b19 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:00007f1eb1796188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f1eb4333f60 RCX: 00007f1eb4220b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000480 RBP: 00007f1eb17961d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffcaf97d8cf R14: 00007f1eb1796300 R15: 0000000000022000 irq event stamp: 1743 hardirqs last enabled at (1753): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1762): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1648): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1639): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace dfd36aa820bb7621 ]---