login: panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff829575de) at panic+0x16f sys/kern/subr_prf.c:229
__assert(ffffffff8290c152,ffffffff828aca84,90,ffffffff8290c782) at __assert+0x29 sys/kern/subr_prf.c:157
uvm_pagealloc_pg(fffffd8006e78540,fffffd8068326cd8,248c01000,0) at uvm_pagealloc_pg+0x3e9 sys/uvm/uvm_page.c:695
uvm_pagealloc(fffffd8068326cd8,248c01000,0,3) at uvm_pagealloc+0x1ed sys/uvm/uvm_page.c:917
pmap_get_ptp(fffffd8068326ca8,49180228000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215
pmap_enter(fffffd8068326ca8,49180228000,6bb24000,4,20) at pmap_enter+0x2c6 sys/arch/amd64/amd64/pmap.c:2722
uvm_fault_lower_lookup(ffff80003737e890,ffff80003737e8c8,ffff80003737e810) at uvm_fault_lower_lookup+0x29b sys/uvm/uvm_fault.c:1192
uvm_fault_lower(ffff80003737e890,ffff80003737e8c8,ffff80003737e810,0) at uvm_fault_lower+0x62 sys/uvm/uvm_fault.c:1227
uvm_fault(fffffd806b526a68,4918022b000,0,4) at uvm_fault+0x255 sys/uvm/uvm_fault.c:637
upageflttrap(ffff80003737ea10,4918022bceb) at upageflttrap+0x8e sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80003737ea10) at usertrap+0x22a sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x721aa931d810, count: 245
End of stack trace.