------------[ cut here ]------------ WARNING: CPU: 0 PID: 40078 at arch/x86/mm/pat/memtype.c:1097 untrack_pfn+0x24e/0x2a0 arch/x86/mm/pat/memtype.c:1097 Modules linked in: CPU: 0 PID: 40078 Comm: syz-executor.2 Not tainted 5.10.185 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:untrack_pfn+0x24e/0x2a0 arch/x86/mm/pat/memtype.c:1097 Code: ff ff e8 25 28 2e 00 4c 89 ee 4c 89 e7 e8 ea da ff ff e8 15 28 2e 00 48 85 db 0f 85 54 ff ff ff e9 7b ff ff ff e8 02 28 2e 00 <0f> 0b e9 6f ff ff ff 48 89 df e8 53 d9 59 00 e9 91 fe ff ff e8 29 RSP: 0018:ffff88806148f6b8 EFLAGS: 00010216 RAX: 00000000000191b5 RBX: ffff88800ceca200 RCX: ffffc90006a20000 RDX: 0000000000040000 RSI: ffffffff81123b2e RDI: 0000000000000005 RBP: 1ffff1100c291ed7 R08: 0000000000000000 R09: ffff88806148f640 R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffea R13: 0000000000000000 R14: 0000000000000000 R15: ffff88800ceca250 FS: 00007f44f6fa4700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0e33ea8344 CR3: 000000005ada0000 CR4: 0000000000350ef0 Call Trace: unmap_single_vma+0x1bc/0x300 mm/memory.c:1499 unmap_vmas+0x16d/0x300 mm/memory.c:1552 exit_mmap+0x27f/0x4f0 mm/mmap.c:3235 __mmput kernel/fork.c:1093 [inline] mmput+0xca/0x340 kernel/fork.c:1114 dup_mm+0xa46/0x1110 kernel/fork.c:1388 copy_mm kernel/fork.c:1428 [inline] copy_process+0x24e2/0x6740 kernel/fork.c:2118 kernel_clone+0xe7/0x980 kernel/fork.c:2503 __do_sys_clone3+0x1e5/0x320 kernel/fork.c:2778 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f44f9a2eb19 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:00007f44f6fa4188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f44f9b41f60 RCX: 00007f44f9a2eb19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000140 RBP: 00007f44f6fa41d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe83cb2bbf R14: 00007f44f6fa4300 R15: 0000000000022000 irq event stamp: 2875 hardirqs last enabled at (2893): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2561 hardirqs last disabled at (2908): [] sysvec_apic_timer_interrupt+0xb/0xa0 arch/x86/kernel/apic/apic.c:1094 softirqs last enabled at (1546): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1417): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 3fae0b4dd5dcbab7 ]---