login: panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff825a481b) at panic+0x16b sys/kern/subr_prf.c:229
__assert(ffffffff8261d9d6,ffffffff82599fc7,90,ffffffff825827f6) at __assert+0x25 sys/kern/subr_prf.c:157
uvm_pagealloc_pg(fffffd80070c8880,fffffd807c013600,39276b000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline]
uvm_pagealloc_pg(fffffd80070c8880,fffffd807c013600,39276b000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709
uvm_pagealloc(fffffd807c013600,39276b000,0,3) at uvm_pagealloc+0x1e8 sys/uvm/uvm_page.c:917
pmap_get_ptp(fffffd807c0135d0,724ed6b8000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1183
pmap_enter(fffffd807c0135d0,724ed6b8000,60bf2000,1,20) at pmap_enter+0x2ac
uvm_fault_upper_lookup(ffff800021315a60,ffff800021315a98,ffff800021315960,ffff8000213159e0) at uvm_fault_upper_lookup+0x2b3 sys/uvm/uvm_fault.c:896
uvm_fault(fffffd80623d0760,724ed6bb000,0,1) at uvm_fault+0x129 sys/uvm/uvm_fault.c:606
upageflttrap(ffff800021315bd0,724ed6bb668) at upageflttrap+0x82 sys/arch/amd64/amd64/trap.c:181
usertrap(ffff800021315bd0) at usertrap+0x1aa sys/arch/amd64/amd64/trap.c:403
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x724a541b530, count: 246
End of stack trace.
syncing disks...42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42 42  giving up