panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff834489d1) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff8348a893,ffffffff83480276,90,ffffffff834287f6) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd8004b3c7b0,fffffd805bd2e038,2c0b13000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd805bd2e038,2c0b13000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd805bd2e000,58162757000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd805bd2e000,58162757000,5c73a000,3,23) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
udv_fault(ffff8000337ebc10,58162757000,ffff8000337ebb90,1,0,0,5465b227dbf56a65,ffff8000337ebc10) at udv_fault+0x1de sys/uvm/uvm_device.c:372
uvm_fault(fffffd806ae84028,58162757000,0,2) at uvm_fault+0x22e sys/uvm/uvm_fault.c:650
upageflttrap(ffff8000337ebdb0,58162757000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff8000337ebdb0) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x77f9fc0e5530, count: 246
End of stack trace.