login: panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff8340c772) at panic+0x1ba sys/kern/subr_prf.c:229
__assert(ffffffff8344cdf7,ffffffff83438908,90,ffffffff833ebab7) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd8006f67880,fffffd806cb9bda0,18571b000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806cb9bda0,18571b000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806cb9bd90,30ae374e000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806cb9bd90,30ae374e000,6ccfe000,4,20) at pmap_enter+0x3a3 sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_lower_lookup(ffff800039cedb70,ffff800039cedba8,ffff800039cedaf0) at uvm_fault_lower_lookup+0x328 sys/uvm/uvm_fault.c:-1
uvm_fault_lower(ffff800039cedb70,ffff800039cedba8,ffff800039cedaf0) at uvm_fault_lower+0x85 sys/uvm/uvm_fault.c:1334
uvm_fault(fffffd806f6105c8,30ae374f000,0,4) at uvm_fault+0x241 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff800039cedd10,30ae374f23b) at upageflttrap+0xa0 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff800039cedd10) at usertrap+0x413 sys/arch/amd64/amd64/trap.c:640
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x794c2c4acb60, count: 245
End of stack trace.