panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff83390806) at panic+464
__assert(ffffffff833d355e,ffffffff833c5e7f,90,ffffffff8336d90c) at __assert+41
uvm_pagealloc_pg(fffffd8008598f88,fffffd806c03ea58,1d02f000,0) at uvm_pagealloc_pg+1355
uvm_pagealloc(fffffd806c03ea58,1d02f000,0,3) at uvm_pagealloc+594
pmap_get_ptp(fffffd806c03ea00,740bc24c3000) at pmap_get_ptp+464
pmap_enter(fffffd806c03ea00,740bc24c3000,6bb63000,3,21) at pmap_enter+902
uvm_fault_upper(ffff80003c00cb20,ffff80003c00cb58,ffff80003c00ca20) at uvm_fault_upper+824
uvm_fault(fffffd805f0d0028,740bc24c3000,0,1) at uvm_fault+408
upageflttrap(ffff80003c00ccc0,740bc24c3088) at upageflttrap+169
usertrap(ffff80003c00ccc0) at usertrap+1071
recall_trap() at recall_trap+8
end of kernel
end trace frame: 0x740bc24c3090, count: 246
End of stack trace.