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�v�20���?�Zl.�&vtޤ�⍂�ѽ+5���By�YS��3R0u��panic: kernel diagnostic assertion "dupe == NULL" failed: file "/syzkaller/managers/multicore/kernel/sys/uvm/uvm_page.c", line 144
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
* 72721  91865      0           0          0    0  syz-executor
 125251  35458      0         0x2        0x1    1  syz-executor
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff833b42fe) at panic+0x1e5 sys/kern/subr_prf.c:198
__assert(ffffffff833f2036,ffffffff833e6f0d,90,ffffffff8338dcd6) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pagealloc_pg(fffffd8007f19188,fffffd806c720a58,6c000,0) at uvm_pagealloc_pg+0x54b sys/uvm/uvm_page.c:707
uvm_pagealloc(fffffd806c720a58,6c000,0,3) at uvm_pagealloc+0x252 sys/uvm/uvm_page.c:913
pmap_get_ptp(fffffd806c720a00,1b32621000) at pmap_get_ptp+0x1d0 sys/arch/amd64/amd64/pmap.c:-1
pmap_enter(fffffd806c720a00,1b32621000,6c4b5000,1,20) at pmap_enter+0x38a sys/arch/amd64/amd64/pmap.c:-1
uvm_fault_lower_lookup(ffff80003c4afb10,ffff80003c4afb48,ffff80003c4afa90) at uvm_fault_lower_lookup+0x369 sys/uvm/uvm_fault.c:-1
uvm_fault_lower(ffff80003c4afb10,ffff80003c4afb48,ffff80003c4afa90) at uvm_fault_lower+0x89 sys/uvm/uvm_fault.c:1334
uvm_fault(fffffd806c721d78,1b32620000,0,1) at uvm_fault+0x274 sys/uvm/uvm_fault.c:-1
upageflttrap(ffff80003c4afcb0,1b32620263) at upageflttrap+0xa9 sys/arch/amd64/amd64/trap.c:192
usertrap(ffff80003c4afcb0) at usertrap+0x42f sys/arch/amd64/amd64/trap.c:632
recall_trap() at recall_trap+0x8
end of kernel
end trace frame: 0x73e028cf2f30, count: 2
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