²̀panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff82950720) at panic+0x16f sys/kern/subr_prf.c:229
__assert(ffffffff8290a4b1,ffffffff828adcdc,90,ffffffff8290d586) at __assert+0x29 sys/kern/subr_prf.c:157
uvm_pagealloc_pg(fffffd80076c64e0,fffffd807f005128,d977000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695
uvm_pagealloc(fffffd807f005128,d977000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917
pmap_get_ptp(fffffd807f0050f8,1b2ee20000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215
pmap_enter(fffffd807f0050f8,1b2ee20000,76d72000,3,20) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722
uvm_fault_lower_lookup(ffff80002d6c3410,ffff80002d6c3448,ffff80002d6c3390) at uvm_fault_lower_lookup+0x29b sys/uvm/uvm_fault.c:1192
uvm_fault_lower(ffff80002d6c3410,ffff80002d6c3448,ffff80002d6c3390,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227
uvm_fault(fffffd80690cd1b8,1b2ee21000,0,2) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637
upageflttrap(ffff80002d6c3590,1b2ee215e8) at upageflttrap+0x8b sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80002d6c3590) at usertrap+0x227 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7025ecad46d0, count: 245
End of stack trace.