panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Starting stack trace...
panic(ffffffff834483b0) at panic+0x1d0 sys/kern/subr_prf.c:229
__assert(ffffffff834855e2,ffffffff83476943,90,ffffffff8341ebf7) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd800875c3b8,fffffd800b062d38,3f0b29000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd800b062d38,3f0b29000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd800b062d00,7e1652d8000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd800b062d00,7e1652d8000,73a7e000,3,23) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
udv_fault(ffff800032fb74b0,7e1652d8000,ffff800032fb7430,1,0,0,f929036471a93698,ffff800032fb74b0) at udv_fault+0x1de sys/uvm/uvm_device.c:372
uvm_fault(fffffd806b2687c0,7e1652d8000,0,2) at uvm_fault+0x22e sys/uvm/uvm_fault.c:650
upageflttrap(ffff800032fb7650,7e1652d8000) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff800032fb7650) at usertrap+0x430 sys/arch/amd64/amd64/trap.c:640
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x721a38ff1f50, count: 246
End of stack trace.

syncing disks...set $lines = 0
set $maxwid
set $lines = 0set $maxwith = 0
show panic
trace
show registers
show proc
ps
show all locks
show malloc
show all pools
machine d
set $lines = 0set $maxwith = 0show panictraceshow registersshow procpsshow all locksshow mallocshow all poolsmachine d
set $lines = 0set $maxwith = 0show panictraceshow registersshow procpsshow all locksshow mallocshow all poolsmachine bcpu 0
trace
machine d
set $lines = 0set $maxwith = 0show panictraceshow registersshow procpsshow all locksshow mallocshow all poolsmachine bcpu 0tracemachine d
set $lines = 0set $maxwith = 0show panictraceshow registersshow procpsshow all locksshow mallocshow all poolsmachine bcpu 0tracemachine bcpu 1
trace