panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff833b2750) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff833ef9fe,ffffffff833e5731,90,ffffffff8338c4da) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd8009149e00,fffffd806ec76438,71f7ca000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806ec76438,71f7ca000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806ec76400,e3ef95ac000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806ec76400,e3ef95ac000,71ff0000,1,21) at pmap_enter+0x386 sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_lower(ffff80002a36a4f0,ffff80002a36a528,ffff80002a36a470) at uvm_fault_lower+0x5d6 sys/uvm/uvm_fault.c:1504
uvm_fault(fffffd800b063988,e3ef95ac000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80002a36a690,e3ef95ac04c) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80002a36a690) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x7d7e5d511560, count: 246
End of stack trace.