panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff833b7156) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff833f1a18,ffffffff833e70e1,90,ffffffff8338df83) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd80087ed088,fffffd805db69538,8861000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd805db69538,8861000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd805db69500,110c232000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd805db69500,110c232000,6d0a3000,1,20) at pmap_enter+0x386 sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_lower_lookup(ffff80002d7ce6a0,ffff80002d7ce6d8,ffff80002d7ce620) at uvm_fault_lower_lookup+0x369 sys/uvm/uvm_fault.c:-1
uvm_fault_lower(ffff80002d7ce6a0,ffff80002d7ce6d8,ffff80002d7ce620) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334
uvm_fault(fffffd800f7f1208,110c230000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80002d7ce840,110c230000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80002d7ce840) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x78c388a3cad0, count: 245
End of stack trace.