panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff8344986f) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff83485439,ffffffff83475e16,90,ffffffff8341e7d3) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd8007ed6360,fffffd806c65df38,78756a000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806c65df38,78756a000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806c65df00,f0ead578000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806c65df00,f0ead578000,70269000,1,21) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_lower(ffff80002a3589e0,ffff80002a358a18,ffff80002a358960) at uvm_fault_lower+0x5d6 sys/uvm/uvm_fault.c:1504
uvm_fault(fffffd805c5279b8,f0ead578000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80002a358b80,f0ead57804c) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80002a358b80) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x72e3acfc5cf0, count: 246
End of stack trace.