panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff828743f6) at panic+0x16f sys/kern/subr_prf.c:229
__assert(ffffffff828f9e9c,ffffffff82863f55,90,ffffffff82849fc4) at __assert+0x29 sys/kern/subr_prf.c:157
uvm_pagealloc_pg(fffffd8006f8d2a0,fffffd8072410320,291327000,0) at uvm_pagealloc_pg+0x427 uvm_pageinsert sys/uvm/uvm_page.c:138 [inline]
uvm_pagealloc_pg(fffffd8006f8d2a0,fffffd8072410320,291327000,0) at uvm_pagealloc_pg+0x427 sys/uvm/uvm_page.c:709
uvm_pagealloc(fffffd8072410320,291327000,0,3) at uvm_pagealloc+0x1ec sys/uvm/uvm_page.c:917
pmap_get_ptp(fffffd80724102f0,52264fd0000) at pmap_get_ptp+0x18d sys/arch/amd64/amd64/pmap.c:1215
pmap_enter(fffffd80724102f0,52264fd0000,5c006000,3,21) at pmap_enter+0x2be sys/arch/amd64/amd64/pmap.c:2722
uvm_fault_upper(ffff80002a222100,ffff80002a222138,ffff80002a222000,0) at uvm_fault_upper+0x2af sys/uvm/uvm_fault.c:1056
uvm_fault(fffffd8073257040,52264fd0000,0,1) at uvm_fault+0x154 sys/uvm/uvm_fault.c:608
upageflttrap(ffff80002a222280,52264fd0000) at upageflttrap+0x86 sys/arch/amd64/amd64/trap.c:188
usertrap(ffff80002a222280) at usertrap+0x226 sys/arch/amd64/amd64/trap.c:436
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x71a453c48580, count: 246
End of stack trace.
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