panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff833a3608) at panic+464
__assert(ffffffff833de253,ffffffff833d13b3,90,ffffffff83378d36) at __assert+41
uvm_pagealloc_pg(fffffd8008553cf8,fffffd80623ca538,5d4ed5000,0) at uvm_pagealloc_pg+1355
uvm_pagealloc(fffffd80623ca538,5d4ed5000,0,3) at uvm_pagealloc+594
pmap_get_ptp(fffffd80623ca500,ba9daa39000) at pmap_get_ptp+464
pmap_enter(fffffd80623ca500,ba9daa39000,7a6ee000,4,20) at pmap_enter+902
uvm_fault_lower_lookup(ffff80002a37fdf0,ffff80002a37fe28,ffff80002a37fd70) at uvm_fault_lower_lookup+982
uvm_fault_lower(ffff80002a37fdf0,ffff80002a37fe28,ffff80002a37fd70) at uvm_fault_lower+137
uvm_fault(fffffd806cb12b88,ba9daa3c000,0,4) at uvm_fault+628
upageflttrap(ffff80002a37ff90,ba9daa3cf0b) at upageflttrap+169
usertrap(ffff80002a37ff90) at usertrap+1071
recall_trap() at recall_trap+8
end of kernel
end trace frame: 0x737be5859b90, count: 245
End of stack trace.